Almacenamiento en baterías

Module pour véhicule électrique

Resumen de: FR3164319A1

Module (1) électrique comprenant une cavité (2) interne destinée à être remplie d’un fluide (3) caloporteur en mouvement, ledit module (1) comprenant une pluralité de cellules (4) électriques agencées dans la cavité (2) interne, ledit module (1) comprenant au moins un dispositif (18, 26, 33, 39) déviateur apte à orienter le fluide (3) caloporteur dans la cavité (2) interne de sorte que ledit fluide (3) caloporteur se déplace autour desdites cellules (4). Figure pour l'abrégé : Figure 5

Composition d’électrolyte pour élément électrochimique lithium-ion

Resumen de: FR3164320A1

Un électrolyte comprenant :- un mélange de solvants comprenant du propionate de méthyle, au moins un carbonate cyclique et/ou au moins un carbonate linéaire,- du carbonate de vinylène ou du monofluorocarbonate d’éthylène ou un mélange de ceux-ci, du sulfate d’éthylène et du difluorophosphate de lithium,- un ou plusieurs sels de lithium autres que du difluorophosphate de lithium.Le propionate de méthyle, le sulfate d’éthylène et le difluorophosphate de lithium interagissent pour limiter la croissance de la couche de passivation à la surface de l’électrode négative et ainsi limiter l’augmentation de la résistance interne de l’élément électrochimique. Figure d’abrégé : Figure 1

Batterie lithium-ion à recyclage facilitée

Resumen de: FR3164316A1

La présente invention concerne une batterie secondaire lithium-ion comprenant une cathode, une anode et un séparateur disposé entre ladite cathode et ladite anode ; ladite cathode comprenant un collecteur de courant C’ et une couche C comprenant une première matière active, un agent conducteur et un premier liant ; ladite anode comprenant un collecteur de courant A’ et une couche A comprenant une seconde matière active et un second liant ; ledit séparateur comprenant soit un support polymérique poreux S et un revêtement SC disposé sur ledit support poreux S soit un électrolyte solide comprenant un revêtement SC caractérisé en ce que ledit premier liant L1, ledit second liant L2 et ledit revêtement SC comprennent chacun au moins un polymère P ayant une solubilité supérieure à 0,01 g/ml à température ambiante dans un solvant S1 ayant un nombre donneur supérieur à 4 kcal/mol.

Cellule électrochimique, unité mère pour sa préparation, utilisation et procédé de préparation

Resumen de: FR3164315A1

La présente invention concerne le domaine des cellules électrochimiques, une unité mère et un procédé pour leur préparation.

Dispositif de régulation thermique, notamment pour véhicule automobile

Resumen de: FR3164265A1

Dispositif de régulation thermique, notamment pour véhicule automobile L’invention concerne un organe anti-retour comprenant un corps de valve et un volet dans lequel le volet (22) comprend une charnière (23) coopérant par complémentarité de forme et de façon amovible avec une première partie du corps de valve (21) de façon à former ledit axe de rotation du volet (22), le corps de valve (21) étant configuré pour être inséré dans un élément (110) formant au moins partiellement le chemin de circulation de fluide et à être fixé de façon amovible audit élément (110) de façon à ce que la charnière (23) du volet (22) soit prise en sandwich entre ladite première partie du corps de valve (21) et ledit élément (110) afin d’empêcher ladite charnière (23) de sortir de la première partie du corps de valve (21) avec laquelle elle coopère, tout en la laissant libre en rotation selon ledit axe de rotation R. Figure pour l’abrégé : Fig. 4

PROCEDE DE COMMANDE D’UN SYSTEME ELECTRIQUE POLYPHASE POUR UNE CHARGE RAPIDE EN TENSION CONTINUE

Resumen de: FR3164155A1

La présente invention a pour objet un procédé de commande d’un système électrique comportant une batterie (2) comprenant une architecture en onduleur multiniveaux distribué formée de lignes de courant (LT1, LT2, LT3) constituées de modules électrochimiques connectés en série et comprenant des ponts en H. Le procédé concerne une charge rapide en tension continue. Selon l’invention, le procédé comporte la commande de modules électrochimiques de la batterie (2) de sorte à générer une onde de tension continue aux bornes de chaque ligne de courant (LT1, LT2, LT3) à partir d’une sélection commandée desdits modules reliés en série, l’équilibrage en état de charge d’au moins une ligne par rapport à une autre ligne parmi lesdites trois lignes, la configuration d’un ensemble de contacteurs de puissance de sorte à connecter en parallèle lesdites trois lignes pour une connexion à une interface de charge (3) et la charge en parallèle desdites trois lignes en tension continue par la source. Figure 1.

Cellule de batterie pour immersion dans un liquide de refroidissement

Resumen de: FR3164321A1

Cellule de batterie pour immersion dans un liquide de refroidissement L’invention concerne une cellule (12) de batterie, comportant un boîtier (20) de cellule, ledit boîtier comprenant : une première (30) et une deuxième faces principales, parallèles et opposées ; et une face supérieure (38), perpendiculaire aux faces principales ; un axe de boîtier (40) étant perpendiculaire à la face supérieure. La première face principale (30) comprend une première série de rainures (42), sensiblement rectilignes et parallèles entre elles ; la deuxième face principale (32) comprend une deuxième série de rainures (44), sensiblement rectilignes et parallèles entre elles. Les rainures (42, 44) de la première et de la deuxième séries forment respectivement un premier (α) et un deuxième (β) angle avec l’axe (40) de boîtier, chacun des premier et deuxième angles étant strictement supérieur à 0° et strictement inférieur à 90°. Figure pour l’abrégé : Figure 2

Procédé de synthèse de particules de thiophosphate Li3PS4

Resumen de: FR3164317A1

La présente invention concerne un procédé de synthèse de particules de thiophosphate Li3PS4, à partir d’un solvato-complexe formé entre Li3PS4 et un premier solvant S1, ledit procédé comprenant :a) une étape de dispersion du solvato-complexe entre Li3PS4 et le premier solvant S1 dans un deuxième solvant S2 non complexant, ledit deuxième solvant S2 étant miscible avec le première solvant S1 et présentant- un logarithme du coefficient de répartition eau/octanol logP égal ou supérieur à 1,1,- une densité moléculaire égale ou supérieure à 0,869 g/cm3 ,- un moment dipolaire inférieur ou égal à 2,32 D,de façon à faire précipiter des particules de thiophosphate Li3PS4b)une étape de séparation des particules de thiophosphate Li3PS4 précipitées à l’étape a)c) une étape de séchage des particules de thiophosphate Li3PS4séparées à l’étape b). Figure 1 à publier

Cellule de batterie électrique de type cylindrique sans languettes

Resumen de: FR3164323A1

Procédé de fabrication d’une cellule (10) cylindrique de batterie électrique pour véhicule à propulsion électrique, cette cellule (10) comprenant - un enroulement (1) d'électrodes et de séparateurs comportant successivement une première feuille (3) d’électrode, un premier séparateur, une deuxième feuille d’électrode de polarité opposée à la première feuille d’électrode et un deuxième séparateur ;- au moins une languette (4) de collecte de courant reliée à la première feuille d'électrode faisant saillie à une première extrémité dudit enroulement ;- un boîtier (2) métallique cylindrique logeant ledit enroulement,ledit procédé comprenant une étape de fabrication additive métallique, à ladite première extrémité, d'un collecteur de courant en contact avec le boîtier métallique cylindrique et fusionnant au moins une partie de ladite languette de collecte de courant de sorte à connecter électriquement la première feuille d’électrode au boîtier métallique cylindrique. Figure pour l’abrégé : Fig.1

BATTERY BANK SYSTEM FOR FLOATING FISH FARMS

Resumen de: WO2026008608A1

The invention relates to a battery bank system for a fish cage (1) with a floating part (2), wherein the battery bank system comprises a waterproof battery container (5) comprising a heat exchange part (6) and a cable outlet (7). Furthermore, the battery bank system comprises batteries (8) positioned inside the battery container (5) wherein the weight of the batteries (8) and the battery container (5) relative to the volume of the battery container (5) provides buoyancy. The battery container (5) is directly or indirectly attached to the floating part (2) such that the heat exchange part (6) of the battery container is at least partially submerged in water and wherein the buoyancy ensures that the weight of the batteries provides a reduced load on the floating part (2).

BATTERY

Resumen de: WO2026008272A1

A battery has an electrode assembly with two electrodes, namely a positive and a negative electrode; an electrically conductive cover plate; a contact element; and a housing. The electrode assembly and the electrically conductive cover plate are accommodated in the housing, and the electrically conductive cover plate is electrically conductively connected to a first electrode of the two electrodes and to the contact element. The contact element is guided outwards through an opening in the housing. An additional structure is provided between the cover plate and the housing, the additional structure being electrically conductively connected directly or indirectly to the contact element, and a current path from the additional structure to the contact element has a higher resistance than a current path from the cover plate to the contact element, which can reduce the potential risk of a short circuit during a nail penetration test.

METHOD FOR SYNTHESISING THIOPHOSPHATE LI3PS4 PARTICLES

Resumen de: WO2026008313A1

The present invention relates to a method for synthesising thiophosphate Li3PS4 particles, from a solvate complex formed between Li3PS4 and a first solvent S1, the method comprising: a) a step of dispersing the solvate complex of Li3PS4 and the first solvent S1 in a non-complexing second solvent S2, the second solvent S2 being miscible with the first solvent S1 and having: - a logarithm of the octanol-water partition coefficient logP greater than or equal to 1.1, - a molecular density greater than or equal to 0.869 g/cm3, and - a dipole moment less than or equal to 2.32 D, so as to cause thiophosphate Li3PS4 particles to precipitate; b) a step of separating the thiophosphate Li3PS4 particles precipitated in step a); and c) a step of drying the thiophosphate Li3PS4 particles separated in step b).

TEMPERATURE SENSOR FOR A BATTERY

Resumen de: WO2026010640A1

An apparatus is described. The apparatus is arranged for measuring temperature of one or more cells of a battery. The battery includes a battery management system (BMS). At least one cell of the one or more cells is comprised in a cell can. The apparatus includes an arm couplable to the battery and including a tensioner. The apparatus also includes a flexible printed circuit (FPC) electrically couplable to the BMS. The FPC is wrapped around and secured to the arm. The tensioner and/or the FPC include a sensor electrically coupled to the FPC. The tensioner is arranged to cause at least the sensor to physically contact the cell can. The sensor is configured to measure a temperature associated with the one or more cells via the cell can.

ELECTROLYTE COMPOSITION FOR A LITHIUM-ION ELECTROCHEMICAL ELEMENT

Resumen de: WO2026008453A1

The invention relates to an electrolyte comprising: - a mixture of solvents comprising methyl propionate, at least one cyclic carbonate and/or at least one linear carbonate; - vinylene carbonate or ethylene monofluorocarbonate or a mixture thereof, ethylene sulphate and lithium difluorophosphate; - one or more lithium salts other than lithium difluorophosphate; the methyl propionate, ethylene sulphate and lithium difluorophosphate interact to limit the growth of the passivation layer on the surface of the negative electrode and thereby limit the increase in the internal resistance of the electrochemical element.

METHOD FOR PRODUCING AN ELECTRODE WINDING FOR A ROUND CELL

Resumen de: WO2026008336A1

The invention relates to a method for producing an electrode winding for a round cell, to an electrode winding that can be produced by said method, and to a round cell comprising the electrode winding.

PLANT FOR THE PRODUCTION OF ELECTRIC BATTERY CELLS AND METHOD THEREOF

Resumen de: WO2026009062A1

It is described a plant (1, 60) for the production of electric battery cells (C) comprising one or more operating areas (10) configured to perform a series of operations on a plurality of electric battery cells (C) so as to make formed and finished battery cells. The electric battery cells (C) are carried in groups on support trays (6), and each comprises a degassing hole (14) closed by a removable closing element (16). The plant comprises at least one controlled environmental chamber (28) including a device for removing the closing element (16) from the degassing hole (14) of each battery cell (C), such that the controlled-atmosphere environment can be limited to an area of the plant in which the operation of removing the closing elements from the degassing holes of the cells is performed, as the cells pass through such area.

TOP COVER ASSEMBLY, BATTERY PACK, AND ELECTRIC DEVICE

Resumen de: WO2026007273A1

A top cover assembly (100), a battery pack, and an electric device. The top cover assembly (100) comprises a cover plate (110), a pole (120), an insulating assembly (130), and a sealing member (140). The insulating assembly (130) comprises an upper insulating member (131) and a lower insulating member (132). The sealing member (140) abuts between the pole (120) and the cover plate (110). The outer side surface of the sealing member (140) away from the pole (120) comprises at least one step surface. The sealing member (140) further abuts between the upper insulating member (131) and the lower insulating member (132), so as to be in a compressed state.

A METHOD FOR RECYCLING BATTERY-GRADE GRAPHITE FROM WASTE LITHIUM-ION BATTERIES AND THE RECYCLED BATTERY-GRADE GRAPHITE THEREOF

Resumen de: WO2026007068A1

The present invention provides a method for preparing battery-grade graphite from waste lithium-ion batteries comprising steps of: (i) implementing heat treatment on scrap mixture comprising cathode and anode materials of waste lithium-ion batteries and their components thereof; (ii) adding an acid solution containing redox agent into the mixture to obtain leaching liquid and leaching slag and washing the leaching slag with water; (iii) adding a solvent to the washed leaching slag comprising at one selected from hydrocarbon, alcohol, ketone, ether and water and mixing by stirring, milling or sonication and further adding a carbon source material that is completely dispersed in the slurry, and removing the solvent from the slurry to obtain mixed graphite; (iv) putting the mixed graphite into a furnace for oxygen-free heating and carbonization to obtain coated graphite; and (v) putting the coated graphite into a high temperature graphitization furnace for oxygen-free heating and graphitization to obtain recycled graphite.

LITHIUM IRON PHOSPHATE COMPOSITE CATHODE ACTIVE MATERIAL, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

Resumen de: WO2026009007A1

The present application belongs to the technical field of secondary batteries, and specifically relates to a lithium iron phosphate composite cathode active material, and further discloses a preparation method thereof, as well as an application thereof for use in the preparation of battery plates and secondary batteries. The lithium iron phosphate composite cathode active material of the present application comprises a core containing a lithium iron phosphate material and iron phosphide particles, as well as a carbon coating layer and/or a LiBO2-containing coating layer at least partially coated on the surface of the core.

POLYOL ESTER OILS AND THEIR USES AS HEAT TRANSFER FLUIDS AND, OPTIONALLY, COMPRESSOR LUBRICANTS IN ELECTRIC VEHICLES

Resumen de: WO2026006956A1

Methods of direct cooling electrical componentry, wherein the electrical componentry are contacted with a heat transfer fluid comprising at least 50 wt%of a polyol ester (POE) oil. A vehicle having a thermal management system and, optionally, a vehicle climate control system, wherein the thermal management system and the optional vehicle climate control system are charged with a heat transfer fluid comprising at least 50 wt%of a polyol ester (POE) oil.

Batteriemodul mit einer Anzahl von Batteriezellen und einem Kühlsystem mit einer Anzahl aktiver Kühlelemente und Batteriespeichersystem sowie Betriebsverfahren für ein Batteriespeichersystem

Resumen de: DE102024119058A1

Die Erfindung betrifft ein Batteriemodul (200) mit einer Anzahl von Batteriezellen (210) und einem Kühlsystem. Erfindungsgemäß ist dabei das Kühlsystem mit einer Anzahl aktiver Kühlelemente (110) vorgesehen, wobei:- ein aktives Kühlelement (110) ausgebildet ist, einen Luftstrom aktiv zu erzeugen, und- die Anzahl der Batteriezellen (210) innerhalb des Batteriemoduls (200) in einem Raster unter Bildung eines Spaltgitters angeordnet ist, und- wenigstens ein Spalt des Spaltgitters eine offene Lüftungsverbindung zwischen wenigstens einer Teilanzahl der Batteriezellen (210) bildet, und- das aktive Kühlelement (110) in Form eines Festkörper-Kühlelements in dem Spalt angeordnet ist.

Verfahren zur Herstellung eines Elektrodenwickels für eine Rundzelle

Resumen de: DE102024118929A1

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung eines Elektrodenwickels für eine Rundzelle, ein Elektrodenwickel herstellbar durch das Verfahren, und eine Rundzelle umfassend den Elektrodenwickel.

Batteriemodul und Verfahren zur Herstellung

Resumen de: DE102024119124A1

Die vorliegende Erfindung betrifft ein Batteriemodul für ein Kraftfahrzeug mit einer Anzahl Batteriezellen (4), wobei eine Kühlanordnung (12) für die Batteriezellen (4) vorgesehen ist, die mindestens ein die Batteriezellen (4) zumindest teilweise umgebendes Schlauchorgan (6) aufweist, das ungefüllt montierbar ist und im montierten Zustand das mindestens eine Schlauchorgan (6) mit Kühlmittel (10) gefüllt ist, wobei im Montagezustand vorhandene Zwischenräume (16) mit einem aushärtbaren Schaummaterial (14) gefüllt sind, wobei im montierten Zustand die Batteriezellen (4) durch die Kühlanordnung (12) und das Schaummaterial (14) positionsgenau fixiert sind. Zudem betrifft die Erfindung ein Verfahren zum Herstellen eines derartigen Batteriemoduls (2).

ANODENMISCHUNG UND FESTKÖRPERBATTERIE

Resumen de: DE102025123176A1

Ein Hauptziel der vorliegenden Erfindung ist es, eine Anodenmischung bereitzustellen, die in der Lage ist, eine Anodenschicht zu erhalten, deren Volumenänderung aufgrund von Ladung und Entladung unterdrückt wird. Die vorliegende Erfindung erreicht das Ziel, indem sie eine Anodenmischung bereitstellt, die ein aktives Material für die Anode und einen Festelektrolyten umfasst, wobei die Anodenmischung als aktives Material für die Anode ein Sekundärpartikel umfasst, das eine Aggregation einer Mehrzahl von Primärpartikeln ist; das Primärpartikel ein Si-basiertes aktives Material ist, das ein Si-Element enthält; eine Partikelgröße D50 des Sekundärpartikels 2,5 µm oder mehr und weniger als 20 µm beträgt; und eine Partikelgröße D50des Festelektrolyten 0,05 µm oder mehr und weniger als 2,0 µm beträgt.

Verfahren zur Lagerung eines Elektrodenwickels mit einem Druckelement, Elektrodenwickel mit dem Druckelement und Verwendung des Druckelements

Resumen de: DE102024118931A1

Die Erfindung betrifft ein Verfahren zur Lagerung eines Elektrodenwickels für Energiespeicher, umfassend die Verfahrensschritte:A) Bereitstellen eines Elektrodenwickels, der eine aufgewickelte Stromkollektorschicht und eine auf der Stromkollektorschicht aufgebrachte Elektrodenschicht umfasst, undB) Anlegen eines Druckelements umlaufend um den gesamten Umfang des Elektrodenwickels, wobei das Druckelement auf die Außenfläche des Elektrodenwickels einen Druck ausübt.Ein derartiges Verfahren für eine Lagerung eines Elektrodenwickels ist besonders dazu geeignet, eine verbiegende Verformung der Außenflächen des Elektrodenwickels während der Lagerung zu verhindern.

Batteriezellstapel und Batterie

Resumen de: DE102024119132A1

Die vorliegende Erfindung betrifft einen Batteriezellstapel (100) umfassend: mehrere Batteriezelllagen (1), die jeweils mehrere nebeneinanderliegende Batteriezellen (1.1) umfassen, wobei die Batteriezelllagen (1) in einer Stapelrichtung (S) übereinanderliegend angeordnet sind, und mindestens eine Positionierleiste (2), die zwischen zwei benachbarten Batteriezelllagen (1) angeordnet ist, und die auf beiden in der Stapelrichtung (S) gegenüberliegenden Stapelseiten (S1, S2) jeweils eine der Anzahl von Batteriezellen (1.1) der an die jeweilige Stapelseite (S1, S2) angrenzenden Batteriezelllage (1) entsprechende Anzahl von Batteriezellaufnahmen (2.1) aufweist, in denen jeweils eine Batteriezelle (2.1) aufgenommen ist, wobei zwischen zwei benachbarten Batteriezelllagen (1) jeweils mindestens eine Positionierleiste (2) angeordnet ist. Die vorliegende Erfindung betrifft ferner eine Batterie (200) umfassend: ein Gehäuse (201), das eingerichtet ist, von einer Kühlflüssigkeit durchströmt zu werden, und einen erfindungsgemäßen Batteriezellstapel (100), der in dem Gehäuse (201) angeordnet ist, wobei durch die mindestens eine Positionierleiste (2) ein Einströmbereich (201.5) des Gehäuses (201) von einem Ausströmbereich (201.6) des Gehäuses (201) separiert ist.

VERFAHREN UND SYSTEM ZUM HERSTELLEN EINER FESTKÖRPERBATTERIE

Resumen de: DE102025126235A1

Verfahren und System zum Herstellen einer Festkörperbatterie, die in der Lage sind, eine Leistungsänderung zu steuern, wenn die Festkörperbatterie Feuchtigkeit und Sauerstoff ausgesetzt wird.

FESTKÖRPERELEKTROLYT, ELEKTRODENMISCHUNG, BATTERIE UND VERFAHREN ZUM HERSTELLEN EINER BATTERIE

Resumen de: DE102025124750A1

Ein Hauptziel der vorliegenden Offenbarung ist es, einen Festkörperelektrolyten bereitzustellen, der in der Lage ist, den Anstieg des Batteriewiderstands zu unterdrücken. Die vorliegende Offenbarung erreicht dieses Ziel durch Bereitstellen eines Festkörperelektrolyten, dessen Bruchenergie, wenn er zu einem Pellet mit einer Länge in X-Achsenrichtung von 5 mm, einer Länge in Y-Achsenrichtung von 20 mm und einer Länge in Z-Achsenrichtung von 1 mm gebildet wird, bei einer Füllrate von 100% 6,0 * 103kJ/m3oder mehr und 21,4 * 103kJ/m3oder weniger beträgt.

VERFAHREN ZUM HERSTELLEN EINER ELEKTROCHEMISCHEN FESTSTOFFZELLE UND ELEKTROCHEMISCHE FESTSTOFFZELLE

Resumen de: DE102024118930A1

Eine Elektrodenanordnung für eine elektrochemische Feststoffzelle umfasst einen Zellstapel mit einer zwischen Stromabnehmern (11, 12) angeordneten laminierten Schichtenfolge (20). Die Schichtenfolge (20) umfasst eine Kathodenlage (21), eine Anodenlage (22) und eine Separatorlage (23), wobei die Separatorlage (23) einen Feststoffelektrolyten aufweist und mit der Kathodenlage (21) und der Anodenlage (22) laminiert ist. Die Kathodenlage (21) und die Anodenlage (22) sind jeweils mit einer Metalllage (30) laminiert. Zudem ist eine unter Druck reversibel verformbare Dichtung (40) zwischen den Stromabnehmern (11; 12) angeordnet und eingerichtet, die Schichtenfolge (20) abzudichten.

Batterie

Resumen de: DE102024118928A1

Eine Batterie weist eine Elektrodenanordnung mit zwei Elektroden, nämlich einer positiven und einer negativen Elektrode, eine elektrisch leitfähige Abdeckscheibe, ein Kontaktelement und ein Gehäuse auf. Die Elektrodenanordnung und die elektrisch leitfähige Abdeckscheibe sind in dem Gehäuse aufgenommen. Die elektrisch leitfähige Abdeckscheibe ist elektrisch leitend mit einer ersten der zwei Elektroden verbunden ist und elektrisch leitend mit dem Kontaktelement verbunden. Das Kontaktelement ist durch eine Öffnung in dem Gehäuse nach außen geführt. Eine zusätzliche Struktur ist zwischen der Abdeckscheibe und dem Gehäuse angeordnet, wobei die zusätzliche Struktur direkt oder indirekt mit dem Kontaktelement elektrisch leitend verbunden ist und wobei ein Strompfad von der zusätzlichen Struktur zu dem Kontaktelement höherohmig ist als ein Strompfad von der Abdeckscheibe zu dem Kontaktelement. Dies kann die Gefahr, die bei einem Nageltest durch einen Kurzschluss entstehen kann, reduzieren.

Haltevorrichtung für eine Kühlmittelleitung für ein Elektronikgehäuse eines elektrischen Energiespeichers, Elektronikgehäuse, elektrischer Energiespeicher sowie Kraftfahrzeug

Resumen de: DE102024117808A1

Die Erfindung betrifft eine Haltevorrichtung (14) für eine Kühlmittelleitung (16, 18) für ein Elektronikgehäuse (20) eines elektrischen Energiespeichers (12) eines zumindest teilweise elektrisch betriebenen Kraftfahrzeugs (10), wobei die Haltevorrichtung (14) zum Anordnen an dem Elektronikgehäuse (20) des elektrischen Energiespeichers (12) ausgebildet ist, wobei die Haltevorrichtung (14) eine Dichtungsnut (22) aufweist, welche im Wesentlichen umlaufend um die Haltevorrichtung (14) ausgebildet ist, wobei in der Dichtungsnut (22) eine Einlegedichtung (24) angeordnet ist, und wobei die Einlegedichtung (24) zum Abdichten der Haltevorrichtung (14) gegenüber dem Elektronikgehäuse (20) ausgebildet ist. Ferner betrifft die Erfindung ein Elektronikgehäuse (20), einen elektrischen Energiespeicher (12), sowie ein Kraftfahrzeug (10).

Ausgleichsbehälter und Fahrzeug

Resumen de: DE102024119157A1

Ein Ausgleichsbehälter (20) für ein dielektrisches Temperierfluid (90) weist eine Öffnung (21) mit einem Deckel (22) und eine Markierungsanordnung (30) auf, wobei die Markierungsanordnung (30) Markierungen (31-36) für den Füllstand aufweist und im Ausgleichsbehälter (20) angeordnet ist, wobei die Markierungen (31-36) eine Minimum-Markierung (36), eine Maximum-Markierung (31) und mindestens eine Zwischen-Markierung (32-35) umfassen, wobei die Markierungsanordnung (30) relativ zur Öffnung (21) derart positioniert ist, dass die Markierungen (31-36) bei zumindest teilweise geöffnetem Deckel (22) von der Außenseite des Ausgleichsbehälters (20) durch die Öffnung (21) hindurch sichtbar ist, um ein Ablesen des Füllstands des Ausgleichsbehälters (20) mit Hilfe der Markierungsanordnung (30) zu ermöglichen.

Batteriepackanschluss-Temperaturüberwachung

Resumen de: DE102025125516A1

Batteriepackanschluss-Temperaturüberwachung. Das Batteriepack umfasst ein Gehäuse, eine Batteriezelle innerhalb des Gehäuses, einen Leistungsanschluss und einen Temperaturanschluss sowie eine integrierte Temperaturschaltung, die in thermischem Kontakt mit dem Leistungsanschluss steht und elektrisch mit dem Temperaturanschluss verbunden ist. Die integrierte Temperaturschaltung ist so konfiguriert, dass sie eine Temperatur des Leistungsanschlusses erfasst, eine Temperatur des Leistungsanschlusses mit einem Temperaturgrenzwert vergleicht und den Temperaturanschluss absenkt, wenn die Temperatur des Leistungsanschlusses den Temperaturgrenzwert erfüllt.

Deaktivierungsanordnung und Verfahren zum elektrischen Deaktivieren einer Batterieeinheit

Resumen de: DE102024118884A1

Die Erfindung betrifft ein Verfahren zum elektrischen Deaktivieren einer Batterieeinheit (12) mit mindestens einer Batteriezelle (14), wobei die Batterieeinheit (12) entladen wird. Dabei wird die Batterieeinheit (12) unter Umkehr einer der Batterieeinheit (12) zugeordneten Polarität durch externes Aufprägen eines bestimmten Entladestroms (I2) auf einen negativen Ladezustand mindestens so lange entladen, bis ein bestimmter Spannungsabfall (30) eines Betrags einer Spannung (U, U2) der Batterieeinheit (12) auftritt.

Verfahren zum Laden von zumindest einem zumindest teilweise elektrisch betriebenen Werkzeug in einem zumindest teilweise elektrisch betriebenen Kraftfahrzeug, Computerprogrammprodukt sowie Ladevorrichtung

Resumen de: DE102024206325A1

Die Erfindung betrifft ein Verfahren zum Laden von zumindest einem zumindest teilweise elektrisch betriebenen Werkzeug (7, 8) in einem zumindest teilweise elektrisch betriebenen Kraftfahrzeug (1) mittels einer Ladevorrichtung (2) des Kraftfahrzeugs (1), mit den Schritten Bereitstellen einer Ladeeinrichtung (4) der Ladevorrichtung (2), wobei die Ladeeinrichtung (4) zum Bereitstellen von elektrischer Energie einer elektrischen Energiespeichervorrichtung (11) des Kraftfahrzeugs (1) ausgebildet ist; und Erfassen einer Kopplung des zumindest einen zumindest teilweise elektrisch betriebenen Werkzeugs (7, 8) mit der Ladeeinrichtung (4) mittels einer elektronischen Recheneinrichtung (5) der Ladevorrichtung (2); und Laden des zumindest einen zumindest teilweise elektrisch betriebenen Werkzeugs (7, 8) mittels elektrischer Energie aus der elektrischen Energiespeichervorrichtung (11) mittels der Ladeeinrichtung (4). Ferner betrifft die Erfindung ein Computerprogrammprodukt sowie eine Ladevorrichtung (2).

Verfahren zum Betreiben einer Heizeinrichtung für einen Fluidkreislauf eines Kraftfahrzeugs sowie entsprechende Heizeinrichtung

Resumen de: DE102024119009A1

Die Erfindung betrifft ein Verfahren zum Betreiben einer Heizeinrichtung (9) für einen Fluidkreislauf (2) eines Kraftfahrzeugs (1), wobei die Heizeinrichtung (9) ein an einen ersten Stromanschluss (12) angeschlossenes Heizelement (10) und ein an einen zweiten Stromanschluss (13) angeschlossenes Steuergerät (11) zum Ansteuern des Heizelements (10) aufweist, wobei das Steuergerät (11) zumindest zeitweise eine erste elektrische Verbindung zwischen dem ersten Stromanschluss (12) und dem Heizelement (10) zum Beheizen des Fluidkreislaufs (2) herstellt. Dabei ist vorgesehen, dass bei einem Überschreiten eines Schwellenwerts durch eine Temperatur eine zweite elektrische Verbindung zwischen dem zweiten Stromanschluss (13) und dem Steuergerät (11) zum Abschalten des Heizelements (10) unterbrochen wird. Die Erfindung betrifft weiterhin eine Heizeinrichtung (9) für einen Fluidkreislauf (2) eines Kraftfahrzeugs (1).

Batteriemodul oder Pack und daraus aufgebautes Batteriesystem

Resumen de: DE102024119101A1

Die vorliegende Erfindung betrifft ein Batteriemodul und/oder Pack auf Basis elementarer Zellen insbesondere zylindrischer Bauform, in dem die elementaren Zellen durch ein Zellkontaktiersystem miteinander in Serien- und Parallelschaltungen elektrisch verschaltet sind, wobei die elementaren Zellen in einem geschlossenen Gehäuse des Batteriemoduls oder Packs durch eine Immersionskühlung zwischen einem Kühlmitteleinlass und einem Kühlmittelauslass von einem Kühlfluid durchströmt angeordnet ist.Um ein Batteriemodul und/oder ein Modul mit einer verbesserten Immersionskühlung zu schaffen, durch dessen Verwendung eine Kühlung auch bei thermischer Propagation mit dem Ziel länger und zuverlässiger kühlend aufrecht-erhalten werden kann, dass geltende Sicherheitsvorgaben auch im Fall fataler Fehler in dem Batteriesystem eingehalten werden können, wird vorgeschlagen, dass das Gehäuse (3) eine Überdruck-Entgasungsöffnung (8) oder Berst-Sicherung zur Druckentlastung aufweist, die in direkter Nähe des Kühlmittelauslasses (7) angeordnet ist.

WÄRMEBARRIEREBAUGRUPPEN FÜR TRAKTIONSBATTERIEPACKS

Resumen de: DE102025125151A1

Es sind Wärmebarrierebaugruppen zum Verwalten der Übertragung von Wärmeenergie innerhalb von Traktionsbatteriepacks bereitgestellt. Eine beispielhafte Wärmebarrierebaugruppe kann axial zwischen Batteriezellen eines Batteriearrays angeordnet sein und kann einen Wärmeunterdrückungsbehälter, der eine äußere Pouch und ein Wärmeunterdrückungsmittel aufweist, das freisetzbar innerhalb der äußeren Pouch zurückgehalten wird, und mindestens ein Zellexpansionskissen beinhalten, das sich entweder innerhalb oder außerhalb der äußeren Pouch befindet. Der Wärmeunterdrückungsbehälter kann dazu konfiguriert sein, das Wärmeunterdrückungsmittel freizusetzen, wenn eine Temperatur nahe der äußeren Pouch einen vordefinierten Temperaturschwellenwert überschreitet. Das Wärmeunterdrückungsmittel kann Partikel erfassen oder einfangen, die Batterieentlüftungsnebenprodukten zugeordnet sind, wodurch die Übertragung von Wärmeenergie auf nahegelegene Strukturen verwaltet oder sogar verhindert wird. Das Zellexpansionskissen kann dazu konfiguriert sein, Batteriezellkompressions- und - expansionskräfte aufzunehmen.

Verfahren und Vorrichtung zur Steuerung einer Kälteanlage für ein Elektrofahrzeug

Resumen de: DE102025147553A1

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur bedarfsabhängigen Steuerung einer Kälteanlage für ein Elektrofahrzeug, wobei die aktivierte Kälteanlage zur Kühlung eines Innenraums des Elektrofahrzeugs und/oder einer Batterie des Elektrofahrzeugs vorgesehen ist. Das Verfahren umfasst die Schritte: im Falle einer aktivierten Kälteanlage des Elektrofahrzeugs, vor oder während eines aktuellen Abstellvorgangs des Elektrofahrzeugs Ermitteln (101), ob nach Beendigung des Abstellvorgangs ein externes Laden der Batterie erfolgt und/oder Ermitteln (102), ob nach Beendigung eines aktuellen externen Ladens der Batterie ein Fahrbetrieb des Elektrofahrzeugs erfolgt, und davon abhängiges Steuern (103) eines Abschaltens der aktivierten Kälteanlage, insbesondere eines Kompressors der Kälteanlage

Verfahren und Anlage zur Separation von Schichten eines Laminats

Resumen de: DE102024206144A1

Es wird ein Verfahren zur Separation von Schichten eines Laminats bereitgestellt. In dem Verfahren wird ein Laminat bereitgestellt, das eine erste Schicht, die ein Metall aufweist, und eine zweite Schicht, die ein Bindermaterial aufweist, enthält oder daraus besteht, wobei das Bindermaterial die zweite Schicht mit der ersten Schicht verbindet. Im Bereich der ersten Schicht des Laminats wird mit mindestens einer Spule, die mit Wechselstrom aus einer elektrischen Spannungsquelle versorgt wird, ein magnetisches Wechselfeld erzeugt, um die erste Schicht des Laminats induktiv auf eine Temperatur zu erwärmen, die unterhalb der Schmelztemperatur der ersten Schicht des Laminats liegt, wobei dabei oder danach ein Separieren der zweiten Schicht von der ersten Schicht erfolgt. Hierbei wird die elektrische Spannungsquelle so eingestellt, dass sie die mindestens eine Spule mit Wechselstrom einer Oszillationsfrequenz im Bereich von ≥ 1 MHz versorgt. Ferner wird eine entsprechende Anlage zur Separation von Schichten eines Laminats bereitgestellt.

Zellkontaktiersystem und Hochvolt-Batteriesystem

Resumen de: DE102024118829A1

Die vorliegende Erfindung betrifft ein Zellkontaktiersystem, durch das in einem Zell-Träger angeordnete elementare Speicherzellen miteinander in Serien- und/oder Parallelschaltungen zur Bildung eines Batteriemoduls und/oder Packs durch einen Stromsammler zu einem Pol hin elektrisch verschaltet sind, und ein aus Zellstapeln bzw. Zell-Stacks mit einem derartigen Zellkontaktiersystem aufgebautes Batteriesystem, das als Vorrichtung zur Abgabe sowie zur Einspeicherung elektrischer Energie vorgesehen ist.Um ein verbessertes Zellkontaktiersystem zu schaffen, wird vorgeschlagen, dass der Stromsammler (4) als säulenartiger Abschnitt mit einer dem jeweiligen Zell-Träger (8) angepassten Form einer Querschnittsfläche in dem Zell-Träger (8) fixiert angeordnet und mit einem Teil-Zellkontaktiersystem (6) elektrisch verbunden ist.

Ausgleichsbehältervorrichtung, Kühlvorrichtung und Fahrzeug

Resumen de: DE102024119141A1

Eine Ausgleichsbehältervorrichtung (20) weist einen ersten Ausgleichsbehälter (21), einen zweiten Ausgleichsbehälter (22), einen dritten Ausgleichsbehälter (23) und eine Verbindungsanordnung (30) auf und ist für einen Einbau mit vorgegebener Orientierung in ein Fahrzeug (10) vorgesehen, wobei die vorgegebene Orientierung durch ein kartesisches Koordinatensystem mit der x-Achse in Fahrtrichtung, der y-Achse nach links und der z-Achse nach oben definiert ist, wobei die Verbindungsanordnung (30) einen Verbindungskanal (35), einen ersten Anschluss (31), einen zweiten Anschluss (32) und einen dritten Anschluss (33) aufweist, wobei der Verbindungskanal (35) über den ersten Anschluss (31) mit dem ersten Ausgleichsbehälter (21) verbunden ist, über den zweiten Anschluss (32) mit dem zweiten Ausgleichsbehälter (22) verbunden ist und über den dritten Anschluss (33) mit dem dritten Ausgleichsbehälter (23) verbunden ist, wobei der erste Ausgleichsbehälter (21) über den ersten Anschluss (31) und den Verbindungskanal (35) in Fluidverbindung steht mit dem zweiten Ausgleichsbehälter (22) und dem dritten Ausgleichsbehälter (23), und wobei der erste Anschluss (31) in einem ersten Bereich (91) zwischen dem zweiten Anschluss (32) und dem dritten Anschluss (33) vorgesehen ist.

BATTERIEZELLENAUSGESTALTUNGEN, DIE EINE ERHÖHTE WÄRMEÜBERTRAGUNG UND THERMISCHE LEISTUNG ERMÖGLICHEN

Resumen de: DE102025124386A1

Batteriezellen sind zur Verwendung innerhalb von Traktionsbatteriepacks beschrieben. Die beispielhaften Batteriezellen beinhalten Ausgestaltungen, die eine erhöhte Wärmeübertragung und thermische Leistung ermöglichen. Zum Beispiel kann eine beispielhafte prismatische Batteriezelle eine Elektrodenbaugruppe beinhalten, die eine Vielzahl von Elektrodenstapelschichten aufweist, und jede Elektrodenstapelschicht der Vielzahl von Elektrodenstapelschichten beinhaltet eine Hauptseitenfläche, die normal zu einer Hauptfläche eines prismatischen Außengehäuses der Zelle positioniert ist. Eine beispielhafte zylindrische Batteriezelle kann eine erste Vielzahl von Abstandshaltern, die von einer Basis eines zylindrischen Außengehäuses der Zelle nach außen vorsteht, und eine zweite Vielzahl von Abstandshaltern, die von einer Abdeckung der Zelle nach außen vorsteht, beinhalten. Die Abstandshalter wirken zusammen, um Kühlkanäle zu bilden, wenn die zylindrische Batteriezelle zusammen mit zusätzlichen zylindrischen Batteriezellen gestapelt ist.

Heizelement und Heizeinrichtung für eine elektrische oder elektronische Komponente eines Kraftfahrzeugs

Resumen de: DE102024119001A1

Die Erfindung betrifft ein Heizelement (11) für eine elektrische oder elektronische Komponente (12, 13, 30) eines Kraftfahrzeugs, insbesondere eine Zellpackung (12) an Batteriezellen (13) eines Hochvoltspeichers (10) eines Kraftfahrzeugs, wobei das Heizelement (11) zur Wärmeübertragung an der der Komponente (12, 13, 30) anordenbar ausgebildet ist.

Verfahren, Trocknervorrichtung, Batterierecyclingsystem und Steuer- und/oder Regeleinheit

Resumen de: DE102024119232A1

Es wird ein Verfahren zur Trocknung von zumindest einem Batteriematerial mit einer Trocknervorrichtung (10), insbesondere einer industriellen Trocknervorrichtung (12), mit zumindest folgenden Schritten:Trocknen (100) des Batteriematerials in einem Niedertemperaturbereich und/oder Niederdruckbereich,wobei in zumindest einem Trocknungsschritt (120) Leichtsieder aus dem Batteriematerial entfernt werden,wobei in zumindest einem weiteren Trocknungsschritt (122) Hochsieder aus dem Batteriematerial entfernt werden,vorgeschlagen.

Verfahren zur Klassifizierung einer Eignung einer automobilen Batterie

Resumen de: DE102024206261A1

Die Erfindung betrifft ein Verfahren zur Klassifizierung einer Eignung einer automobilen Batterie für eine Weiterverwendung in einer nicht automobilen Anwendung, wobei in einem ersten Verfahrensschritt aus Messpunkten der automobilen Batterie ein Eingangsvektor für Verhaltensmustermodelle aggregiert wird; in einem zweiten Verfahrensschritt mittels eines ersten Verhaltensmustermodels basierend auf dem aggregierten Eingangsvektor und einem erlernten Verhalten der automobilen Batterie ein Ausgangsvektor bereitgestellt wird; in einem dritten Verfahrensschritt aus einem Vergleich des Eingangsvektors und des Ausgangsvektors eine Abweichung bestimmt wird und; in einem vierten Verfahrensschritt mittels eines mit kategorisierten Daten trainierten zweiten Verhaltensmustermodells basierend auf dem Eingangsvektor und der Abweichung eine Eignung der automobilen Batterie für eine Weiterverwendung in einer nicht automobilen Anwendung klassifiziert wird.

BATTERIEPACK

Resumen de: DE102025124106A1

Es wird ein Batteriepack (1) bereitgestellt, das die Schutzleistung für ein Batteriemodul (2) verbessern kann. Ein Batteriepack (1) gemäß einem Aspekt der vorliegenden Offenbarung umfasst ein Batteriemodul (2), ein Gehäuse (3), das das Batteriemodul (2) aufnimmt, und ein Kühlrohr (4), wobei das Gehäuse (3) eine Seitenplatte (32) umfasst, die entlang einer Seitenfläche des Batteriemoduls (2) angeordnet ist, die Seitenplatte (32) einen räumlichen Bereich (33) umfasst, der in einem Bereich ausgebildet ist, der sich von einem Einbaubereich eines an einer Außenfläche der Seitenplatte (32) eingebauten Aufprallabsorptionselements unterscheidet, und das Kühlrohr (4) in dem räumlichen Bereich (33) angeordnet ist. Daher ist das Batteriepack (1) gemäß einem Aspekt der vorliegenden Offenbarung ein Batteriepack (1), bei dem die Klemme zum Befestigen des Kühlrohrs (4) und das Kühlrohr (4) weniger dazu neigen, mit dem Batteriemodul (2) in Eingriff zu kommen, selbst wenn das Batteriepack (1) einen Stoß von seiner Seite erhält.

Verfahren zur Ermittlung eines Warnsignals, Steuervorrichtung, System, Fahrzeug, Computerprogramm, computerlesbares Speichermedium

Resumen de: DE102024118927A1

Es wird ein Verfahren zur Ermittlung eines Warnsignals angegeben, das charakteristisch für eine Fehlfunktion zumindest einer Energiespeicherzelle (1) ist, wobei die zumindest eine Energiespeicherzelle (1) einen ersten Endbereich (2) und einen zweiten Endbereich (3) umfasst und sich eine Haupterstreckungsrichtung (4) der zumindest einen Energiespeicherzelle (1) von dem ersten Endbereich (2) zu dem zweiten Endbereich (3) erstreckt, umfassend:- Bereitstellen einer Zustandsinformation, die charakteristisch für eine Ausdehnung des zweiten Endbereichs (3) in Richtung zumindest einer Detektionsvorrichtung (16) ist, wobei die Ausdehnung entlang der Haupterstreckungsrichtung (4) erfolgt, und- Ermitteln des Warnsignals in Abhängigkeit von der Zustandsinformation.Des Weiteren werden eine Steuervorrichtung, ein System, ein Fahrzeug, ein Computerprogramm und ein computerlesbares Speichermedium angegeben.

Hilfsvorrichtung zur Befüllung eines Batteriemoduls mit einer Wärmeleitpaste

Resumen de: DE102024119153A1

Die Erfindung betrifft eine Hilfsvorrichtung (26) zur Befüllung eines Batteriemoduls (10) mit einer Wärmeleitpaste (16), umfassend eine Begrenzungsstruktur (24), insbesondere zur Begrenzung der Ausbreitung der Wärmeleitpaste (16) in dem Batteriemodul (10), wobei die Begrenzungsstruktur (24) eine Speiseleitung (28) zur Einspeisung eines Fluids in die Begrenzungsstruktur (24) umfasst. Mithilfe der Hilfsvorrichtung (26) kann die Wärmeleitpaste (16) präzise und besonders einfach in einen Zielbereich (20) innerhalb des Batteriemoduls (10) eingebracht werden.

Elektrodenstapel

Resumen de: DE102024002161A1

Die Erfindung betrifft einen Elektrodenstapel (1) für eine Batterieeinzelzelle, umfassend anodenseitige Stromableiter (5), die als Folien ausgebildet und an zumindest einer ihrer flächenmäßig größten Oberflächen mit dem Anodenmaterial (20) beschichtet sind; umfassend kathodenseitige Stromableiter (6), die als Folien ausgebildet und an zumindest einer ihrer flächenmäßig größten Oberflächen mit dem Kathodenmaterial (40) beschichtet sind; und Separatoren (3), welche zwischen dem Anodenmaterial (20) und dem Kathodenmaterial (40) angeordnet sind. Der erfindungsgemäße Elektrodenstapel ist dadurch gekennzeichnet, dass zumindest einer der Stromableiter (5, 6) perforiert ausgebildet sind. Ein solcher Elektrodenstapel (1) kann für eine Batterieeinzelzelle eingesetzt werden, von welchen mehrere eine Batterie ausbilden. Die Batterie lässt sich in einem Fahrzeug verwenden.

Natrium-Ionen-Batteriezelle

Resumen de: DE102024206295A1

Eine erfindungsgemäße Natrium-Ionen-Batteriezelle (1) weist eine Anode (8), gebildet aus einem Kohlenstoff, eine Kathode (10), die aus einem Material gebildet ist, das eine reversible Aufnahme und Abgabe von Natrium, insbesondere Natrium-Ionen, ermöglicht, und einen nicht-wässrigen Elektrolyten (14) auf, der zumindest ein Lösungsmittel, zumindest ein Natriumsalz, ein Additiv A, ein Additiv B und ein Additiv C enthält. Das Additiv A enthält eine halogenierte zyklische Carbonatverbindung, die ausgewählt ist aus einer Gruppe enthaltend Fluoroethylen-Carbonat (FEC), Difluoroethylen-Carbonat (DFEC) und Chloroethylen-Carbonat (CIEC). Das Additiv B enthält eine Phosphorverbindung, die aus einer Gruppe ausgewählt ist bestehend aus Tris(trimethylsilyl)-Phosphit (TMSPi), Tri(hexafluoro-iso-propyl)-Phosphat (HFiP), Tripropargyl-Phosphat (TPP) und Tris(pentafluorophenyl)-Phospin (TPFPP). Das Additiv C ist durch Monofluorophosphat (Na2PO3F) und/oder MPO2F2, M ausgewählt aus den Alkalimetallen, gebildet.

Verfahren zum Herstellen einer Kühlungsplatte für einen Wärmeübertrager

Resumen de: DE102024119350A1

Die Erfindung betrifft ein Verfahren (1) zum Herstellen einer Kühlungsplatte (2) für einen Wärmeübertrager in einer Anlage (7). Dabei werden eine Grundplatte (3), eine Kanalplatte (4) und eine Adhäsionsschicht (5) kontinuierlich durch wenigstens ein Temperierungsmodul (8) und wenigstens ein Druckerzeugungsmodul (10) der Anlage (7) befördert und dadurch die Kühlungsplatte (2) hergestellt.Die Erfindung betrifft auch die Anlage (7) zum Ausführen des Verfahrens (1) und die in dem Verfahren (1) hergestellte Kühlungsplatte (2).

ABSTANDHALTER FÜR EIN TAUCHWÄRMEMANAGEMENTSYSTEM EINES TRAKTIONSBATTERIEPACKS

Resumen de: DE102025125140A1

Eine Traktionsbatteriepackbaugruppe beinhaltet eine Gehäusebaugruppe, die eine Gehäusewand aufweist. Ein Zellstapel befindet sich innerhalb eines Innenraums der Gehäusebaugruppe. Der Zellstapel weist eine oder mehrere Batteriezellen auf, die entlang einer Zellstapelachse angeordnet sind. Die Baugruppe beinhaltet ferner eine Stützfolie und eine Vielzahl von Abstandhaltern, die zwischen dem Zellstapel und einem Bereich der Gehäusebaugruppe angeordnet ist.

LITHIUM-SEKUNDÄRBATTERIE

Resumen de: DE102025125641A1

Eine Lithium-Sekundärbatterie gemäß der vorliegenden Offenbarung enthält: eine Kathode, die eine Kathoden-Aktivmaterialschicht enthält, die ein Lithium-Übergangsmetalloxid enthält; eine Anode, die gegenüber der Kathode angeordnet ist und eine Anoden-Aktivmaterialschicht enthält; und einen Elektrolyten, der ein Lithiumsalz, ein Lösungsmittel, das ein Carbonatlösungsmittel und ein Etherlösungsmittel enthält, und Lithiumnitrat (LiNO3) enthält. In dem Elektrolyten beträgt ein Lithiumnitrat-Auflösungsverhältnis, das durch die Gleichung 1 definiert ist, in dem Elektrolyten 0,01 bis 0,07.

GEWELLTE ABSCHIRMUNG FÜR EINEN TRAKTIONSBATTERIEPACK

Resumen de: DE102025125139A1

Eine Traktionsbatteriepackbaugruppe beinhaltet eine Umhüllungsbaugruppe, einen Zellstapel innerhalb eines Inneren der Umhüllungsbaugruppe und eine gewellte Abschirmung. Der Zellstapel weist eine oder mehrere Batteriezellen auf. Die gewellte Abschirmung ist zwischen dem Zellstapel und einem Bereich der Umhüllungsbaugruppe angeordnet. Die gewellte Abschirmung kann die Umhüllungsbaugruppe vor Ausgasungsnebenprodukten abschirmen.

TABLESS CYLINDRICAL ELECTRIC BATTERY CELL

Resumen de: WO2026009197A1

The invention relates to a method for manufacturing a cylindrical electric battery cell (10) for an electric propulsion vehicle, the cell (10) comprising: - a winding (1) of electrodes and separators including, in series, a first electrode sheet (3), a first separator, a second electrode sheet of opposite polarity to the first electrode sheet and a second separator; - at least one current-collecting tab (4) connected to the first electrode sheet, projecting at a first end of the winding; and - a cylindrical metal housing (2) housing the winding, the method comprising a metal additive manufacturing step, at the first end, of a current collector in contact with the cylindrical metal housing and fusing at least a portion of the current-collecting tab so as to electrically connect the first electrode sheet to the cylindrical metal housing.

PROCESS FOR SEPARATING LITHIUM AND MANGANESE FROM A POLYMETALLIC SAMPLE

Resumen de: WO2026008851A1

The invention relates to a process for separating metals of interest from polymetallic samples. Especially, it relates to the separation of lithium and/or manganese from a polymetallic sample originating from end-of-life batteries. The process comprises a lithium leaching step in absence of mineral acid, a step of recovering lithium in a solid form, a step of forming manganese formate, and a step of recovering manganese in a solid form.

PROCESS FOR SEPARATING CHEMICAL ELEMENTS FROM A POLYMETALLIC SAMPLE

Resumen de: WO2026008830A1

The present application relates to a process for separating chemical elements M1, M2 and/or M3 contained in a solid sample, such as end of life batteries or black masses, wherein M1 is an alkali metal, M2 is a transition metal and M3 is aluminum.

PROCESS FOR SELECTIVE EXTRACTION AND RECOVERY OF CHEMICAL ELEMENTS FROM A POLYMETALLIC SAMPLE

Resumen de: WO2026008831A1

The invention relates to a process for separating chemical elements from a polymetallic solid sample, such as a sample originating from end-of-life batteries. The process comprises a step of recovering nickel and/or cobalt in a solid form after contacting the sample with ammonium carbonate and a reducing agent. The process comprises a further step of recovering manganese in a solid form after contacting the sample with ammonium carbonate.

ELECTROCHEMICAL CELL, MOTHER UNIT FOR THE PREPARATION THEREOF, USE, AND PREPARATION METHOD

Resumen de: WO2026008828A1

The present invention relates to the field of electrochemical cells, a mother unit and a method for preparing said cells. The electrochemical cells have a structure comprising at least 2 units. Each unit comprises at least one thermoplastic electronically conductive collector layer, at least one anode layer, at least one electrolyte layer and at least one cathode layer.

CURABLE SILANE-TERMINATED POLYMER COMPOSITION WITH HIGH THERMAL CONDUCTIVITY AND ENHANCED DIMENSIONAL STABILITY

Resumen de: WO2026008770A1

The invention relates to a curable silane-terminated polymer composition with high thermal conductivity and enhanced dimensional stability to accommodate for battery breathing, comprising at least one organic polymer P containing reactive silane groups, wherein the reactive silane groups correspond to dialkoxy(alkyl) silanes, and at least 70 wt.-% of thermally conductive filler F and at least one plasticizer PL and at least one catalyst C. The inventive curable composition is especially suitable as an adhesive, sealant or gap filler for batteries and other electronic equipment, especially in the automotive industry.

β-H-FREE TETRAALKYLAMMONIUM SALTS OF SUBSTITUTED TRIFLUOROBORATE-CONTAINING ANIONS AND USE THEREOF IN AN ELECTROLYTE COMPOSITION IN AN ENERGY STORE

Resumen de: WO2026008445A1

The present disclosure relates to β-H-free tetraalkylammonium salts of trifluoroborates substituted with electron-withdrawing groups, and to the use thereof in an electrolyte composition. The present disclosure relates in particular to their use in an electrolyte composition in electrochemical supercapacitors and ultracapacitors, for example in double-layer capacitors in electric motors.

METHOD AND SYSTEM FOR SEPARATING LAYERS OF A LAMINATE

Resumen de: WO2026008421A1

The invention relates to a method for separating layers of a laminate. In the method, a laminate is provided which contains or consists of a first layer comprising a metal and a second layer comprising a binder material, wherein the binder material connects the second layer to the first layer. In the region of the first layer of the laminate, an alternating magnetic field is generated by at least one coil which is supplied with alternating current from an electrical voltage source, in order to inductively heat the first layer of the laminate to a temperature which is below the melting temperature of the first layer of the laminate, wherein the second layer is separated from the first layer during the process or thereafter. The electrical voltage source is adjusted in such a way that it supplies the at least one coil with alternating current with an oscillation frequency in the range of ≥ 1 MHz. The invention further relates to a corresponding system for separating layers of a laminate.

THERMAL PROTECTIVE ASSEMBLY FOR A CELL HOUSING AND BATTERY CELL

Resumen de: WO2026008672A1

The invention relates to an assembly for thermally reinforcing a cell housing of a battery cell, having a cell housing with an inner volume and having at least one electrode stack which is arranged in the inner volume of the cell housing, wherein the cell housing is thermally reinforced at least in some regions and/or is insulated at least in some regions with respect to the electrode stack. Moreover, the invention relates to a battery cell having an assembly.

THERMAL PROTECTIVE ARRANGEMENT FOR BATTERY CELLS

Resumen de: WO2026008671A1

The invention relates to a protective arrangement, in particular for a battery cell, comprising at least one carrier element and at least one heat-protection element, wherein the carrier element is configured to receive the at least one heat-protection element and at least one burst diaphragm and to position same over a battery outlet opening in at least one spatial direction; or wherein the carrier element is configured to position the at least one heat-protection element at least in regions over a burst diaphragm arranged on or in a battery wall, wherein the at least one heat-protection element and/or the carrier element has at least one cutout configured to form an access to at least one burst diaphragm. Furthermore, the invention relates to a battery cell comprising a protective arrangement.

Elektrisch betriebenes Fahrzeug

Resumen de: DE102024206345A1

Die Erfindung betrifft ein Elektrisch betriebenes Fahrzeug mit einem in Fahrzeugboden (3) verbauten Batteriesystem, in dessen Batteriegehäuse (5) Batteriezellen (7) angeordnet sind, wobei das Batteriegehäuse (5) bodenseitig einen Unterfahrschutz (11) aufweist, der die Batteriezellen (7) vor einem Einschlagereignis, bei dem ein Störkörper im Fahrbetrieb gegen den Unterfahrschutz (11) schlägt, oder vor einem Aufsetzereignis schützt, bei dem das Fahrzeug auf eine fahrbahnseitige Störkontur aufsetzt, wobei sich mit Überschreiten einer kritischen Lasteinwirkung im Einschlag- oder Aufsetzereignis eine Vorschädigung des Batteriesystems einstellt, die zu einem Langzeitschaden des Batteriesystems führt. Erfindungsgemäß ist für eine eindeutige Detektion der Vorschädigung infolge des Einschlag- oder Aufsetzereignisses eine Detektionseinheit (33) bereitgestellt, mittels der die Vorschädigung erfassbar ist.

Bipolare Elektrode, Bipolarbatterie und Verfahren zum Herstellen eines Recyclingmaterials

Resumen de: DE102025120369A1

Eine bipolare Elektrode umfasst in einer Ebenen-Senkrechtenrichtung der Reihe nach: eine Positivelektroden-Kompositmaterialschicht (11); eine Positivelektroden-Stromsammelfolie (12); einen Zwischenfilm (13); eine Negativelektroden-Stromsammelfolie (14); und eine Negativelektroden-Kompositmaterialschicht (15). Sowohl die Positivelektroden-Stromsammelfolie (12) als auch die Negativelektroden-Stromsammelfolie (14) sind an dem Zwischenfilm (13) angebracht. Die Positivelektroden-Kompositmaterialschicht (11) ist an der Positivelektroden-Stromsammelfolie (12) angebracht. Die Negativelektroden-Kompositmaterialschicht (15) ist an der Negativelektroden-Stromsammelfolie (14) angebracht. Der Zwischenfilm (13) weist eine Leitfähigkeit auf. Die bipolare Elektrode ist derart konfiguriert, dass die Positivelektroden-Stromsammelfolie (12) und/oder die Negativelektroden-Stromsammelfolie (14) von dem Zwischenfilm (13) getrennt wird/werden, bevor der Zwischenfilm (13) bricht, wenn der Zwischenfilm (13) in einer Ebenenrichtung gestreckt wird.

Verfahren zum elektrischen Verschalten von Batteriezellen eines Batteriemoduls, Batteriemodul und Produktionssystem

Resumen de: DE102024117835A1

Die vorliegende Erfindung betrifft ein Verfahren zum elektrischen Verschalten von Batteriezellen (10, 20) eines Batteriemoduls. Ferner betrifft die Erfindung ein Batteriemodul sowie ein Produktionssystem. Das Verfahren weist die folgenden Schritte auf:- Verwenden von mehreren Batteriezellen (10, 20), wobei die jeweilige Batteriezelle (10, 20) einen bekannten zellindividuellen Zellinnenwiderstand aufweist,- Herstellen einer elektrischen Verbindung zwischen der jeweiligen Batteriezelle (10; 20) und einem dieser Batteriezelle (10; 20) zugeordneten elektrisch leitenden Zellverbinder (30) des Batteriemoduls, wobei das Herstellen der elektrischen Verbindung mittels eines Schweißverfahrens unter Ausbildung einer zellindividuellen Schweißnaht (41, 42) erfolgt, derart, dass ein durch die jeweilige Schweißnaht (41; 42) bedingter Übergangswiderstand abhängig von dem zellindividuellen Zellinnenwiderstand der Batteriezelle (10, 20) angepasst wird zum zumindest teilweisen Ausgleichen von Unterschieden zwischen den zellindividuellen Zellinnenwiderstände der mehreren Batteriezellen (10, 20).

METHOD FOR FILLING BATTERY CELLS WITH ELECTROLYTE AND RELATED FILLING DEVICE

Resumen de: WO2026008515A1

A method and a device (2) for filling electrochemical cells (1) particularly of the prismatic type with electrolyte, wherein vacuum is created in the internal volume of the case of the cell before injecting the liquid electrolyte and the subsequent injection is such as to force an elastic deformation of at least one side wall (11a-11b) of the case away from the electrode assembly (12) contained in the case, due to the filling, with the complete dose of the electrolyte, of the interspace (13a-13b) between the at least one side wall (11a-11b) and the electrode assembly (12). The filling hole (14) is then plugged after the injection and the elastic return of the side walls previously deformed by the injection occurs during the step of wetting the electrode assembly (12), preferably in a buffer station (300).

ALIOVALENTLY SUBSTITUTED ARGYRODITE-TYPE SOLID ELECTROLYTES

Resumen de: WO2026008479A1

The present invention relates to an aliovalently substituted argyrodite-type solid electrolyte having a composition according to formula (I): Li11-a1-b1Y1O5-a1X1 1+a1, wherein -1.0 ≤ a1 ≤ 1.0, wherein b1 is the oxidation state of Y1, wherein b1 is +2, +3, +4, +5 or +6, wherein Y is at least one element selected from the group consisting of Be, As, Bi, Sb, Ag, Ho, Lu, Pb, Hf, Se, Cr, Zr, Ti, Te, Cr, V, Mo, Nb, Re and Ru, wherein X1 is F, Cl, Br, I or combinations thereof.

ULTRA FINE SOLID SULFIDE PARTICLES COMPRISING Li, P AND S ELEMENTS

Resumen de: WO2026008471A1

The present invention relates to a process for manufacturing a powder (P) comprising particles of at least one sulfide solid material (M) comprising Li, P and S elements comprising the steps of: (a) providing a powder (P1) comprising particles of the solid sulfide material (M), an organic solvent (S) and an ester compound (E) to obtain a suspension (S1); (b) submitting the suspension (S1) to a mechanical treatment thereby reducing the size of the particles of the solid sulfide material (M) and obtaining a suspension (S2); (c) removing by evaporation under stirring, the organic solvent (S) and the ester (E) from the suspension (S2) to recover a powder (P2); (d) drying under stirring the powder (P2) until a constant weight of the desired powder (P) is recovered. It also relates to the powder (P) obtained by the process and its use as solid electrolyte.

METHOD FOR MOUNTING AN ELECTRODE WINDING HAVING A PRESSURE ELEMENT, ELECTRODE WINDING HAVING THE PRESSURE ELEMENT, AND USE OF THE PRESSURE ELEMENT

Resumen de: WO2026008374A1

The invention relates to a method for mounting an electrode winding for stored energy sources, comprising the method steps of: A) providing an electrode winding which comprises a wound current collector layer and an electrode layer applied to the current collector layer; and B) placing a pressure element circumferentially around the entire circumference of the electrode winding, the pressure element exerting a pressure on the outer surface of the electrode winding. Such a method for mounting an electrode winding is particularly suitable for preventing bending deformation of the outer surfaces of the electrode winding during mounting.

BUSBAR, BATTERY CELL AND BATTERY

Resumen de: WO2026007222A1

Disclosed are a busbar, a battery cell and a battery. The busbar comprises a busbar body (1) and a surface aluminum layer (2), wherein the busbar body (1) is a copper layer, and the surface aluminum layer (2) covers the outer surface of the busbar body (1).

CROSSLINKED ORGANOPOLYSILOXANE ARTICLE WITH CALCINED SILICA

Resumen de: WO2026010777A1

The present invention relates to an article comprising, based on the weight of the article, from 35 to 95 weight percent of a crosslinked polyorganosiloxane; and from 1 to 20 weight percent of calcined silica particles The article of the present invention is useful for providing a heat-insulating spacer in a rechargeable battery module.

CONTROLLING A THERMAL SYSTEM OF AN ELECTRIC VEHICLE

Resumen de: WO2026010925A1

Disclosed is processing circuitry for controlling a thermal system. The thermal system is configured to change a temperature of a component of an electric vehicle and comprises a plurality of fluidic circuits each comprising at least one component of the thermal system. A subset of fluidic circuits are connectable via a multimodal valve having a number of configurations and fluid flow through the subset of fluidic circuits is controlled by the configuration of the multimodal valve. The processing circuitry is configured to obtain data indicating the temperature of the component of the electric vehicle, determine whether the temperature of the component of the electric vehicle is greater than, or less than, a setpoint temperature, and determine a set of operating modes in which the thermal system could be configured for the thermal system to change the temperature of the component of the electric vehicle so that it approaches the setpoint temperature, each operating mode corresponding to an operating state of at least one component of the thermal system and to a configuration of the multimodal valve. The processing circuitry is configured to determine, for each operating mode, a measure of impact associated with operating the thermal system to change the temperature of the component of the electric vehicle according to the operating mode, and to control the thermal system to be configured in the operating mode associated with the lowest measure of impact by controlling the ope

CUSTOMIZABLE BATTERY

Resumen de: WO2026010852A1

A battery system, comprising: a first battery (14) having a first battery power capacity, the first battery (14) comprising a first battery housing, first battery terminals, a first plurality of bus bars (104), and a first battery management system, BMS (16); a second battery having a second battery power capacity, the first power capacity being different from the second power capacity, the second battery comprising a second battery housing, second battery terminals, a second plurality of bus bars, and a second BMS; the first battery terminals being the same as the second terminals, at least one of the first plurality of bus bars (104) being the same as at least one of the second plurality of bus bars, and the first BMS (16) being the same as the second BMS; and at least one dimension of the first battery housing being different from a corresponding dimension of the second battery housing.

CLAD ALUMINUM ALLOY FOIL HAVING HIGH RECYCLED CONTENT AND HIGH ELECTRICAL CONDUCTIVITY

Resumen de: WO2026010929A1

Disclosed herein are high recycled content clad aluminum alloy products that exhibit high electrical conductivity and methods for preparing the same. More particularly, disclosed are clad aluminum alloy products that are produced from at least two aluminum alloys selected from different aluminum alloy series and that exhibit good electrical conductivity despite being produced from less primary aluminum than conventional 1xxx series aluminum alloys. The clad aluminum alloy products can be used in electrochemical applications, including as current collectors in batteries.

A METHOD FOR RECYCLING BATTERY-GRADE GRAPHITE FROM WASTE LITHIUM-ION BATTERIES AND THE RECYCLED BATTERY-GRADE GRAPHITE THEREOF

Resumen de: WO2026008005A1

The present invention provides a method for preparing battery-grade graphite from waste lithium-ion batteries comprising steps of: (i) implementing heat treatment on scrap mixture comprising cathode and anode materials of waste lithium-ion batteries and their components thereof; (ii) adding an acid solution containing redox agent into the mixture to obtain leaching liquid and leaching slag and washing the leaching slag with water; (iii) adding a solvent to the washed leaching slag comprising at one selected from hydrocarbon, alcohol, ketone, ether and water and mixing by stirring, milling or sonication and further adding a carbon source material that is completely dispersed in the slurry, and removing the solvent from the slurry to obtain mixed graphite; (iv) putting the mixed graphite into a furnace for oxygen-free heating and carbonization to obtain coated graphite; and (v) putting the coated graphite into a high temperature graphitization furnace for oxygen-free heating and graphitization to obtain recycled graphite.

Akkumulator für Arbeitsgeräte

Resumen de: DE102024119228A1

Die Erfindung betrifft einen Akkumulator (1), insbesondere Arbeitsgeräteakkumulator, für Arbeitsgeräte mit einem Gehäuse (2), das einen Innenraum (3) umgibt, mit zumindest einer im Innenraum (3) angeordneten Energiespeichereinheit (4), mit zumindest zwei Kontaktelementen (7) und mit einer Steuereinheit (15) zum Steuern des Akkumulators (1). Die Steuereinheit (15) ist derart ausgebildet und/oder eingerichtet, dass diese zumindest ein Kontaktelement (7) für einen und/oder während eines Transport- und/oder Lagerzustands des Akkumulators (1) spannungslos schalten kann. Außerdem betrifft die Erfindung ein Verfahren zum Betreiben und/oder zum Versetzen eines Akkumulators (1) in einen Transport- und/oder Lagerzustand.

EASIER-TO-RECYCLE LITHIUM-ION BATTERY

Resumen de: WO2026008952A1

The present invention relates to a lithium-ion secondary battery comprising a cathode, an anode, and a separator arranged between the cathode and the anode; the cathode comprising a current collector C' and a layer C comprising a first active material, a conductive agent and a first binder; the anode comprising a current collector A' and a layer A comprising a second active material and a second binder; the separator comprising either a porous polymer support S and a coating SC arranged on the porous support S, or a solid electrolyte comprising a coating SC, characterised in that the first binder L1, the second binder L2 and the coating SC each comprise at least one polymer P having a solubility greater than 0.01 g/ml at room temperature in a solvent S1 having a donor number greater than 4 kcal/mol.

THERMAL MANAGEMENT DEVICE FOR AN ELECTRIC BATTERY

Resumen de: WO2026008946A1

The present disclosure relates to a thermal management device (200) for an electric battery, the thermal management device comprising a structure (202) made of a compressible material comprising one or more housings (204) arranged in at least one surface of the structure, each housing being filled with an insulator (205), the insulator having thermal insulation properties superior to the thermal insulation properties of the material of the structure.

METHOD, DRYER DEVICE, BATTERY RECYCLING SYSTEM AND OPEN-LOOP AND/OR CLOSED-LOOP CONTROL UNIT

Resumen de: WO2026008883A1

The invention relates to a method for drying at least one battery material using a dryer device (10), in particular an industrial dryer device (12), comprising at least the following steps: drying (100) the battery material in a low-temperature region and/or low-pressure region, wherein, in at least one drying step (120), low boilers are removed from the battery material, wherein, in at least one further drying step (122), high boilers are removed from the battery material.

A BATTERY MODULE, A BATTERY PACK AND A METHOD FOR CONTROLLING TEMPERATURE INSIDE A BATTERY PACK

Resumen de: WO2026008769A2

A battery module (10) comprising: a plurality of battery cells (20), wherein each of the battery cells (20) comprises a first surface (21) which comprises a positive cell terminal (22A) and a negative cell terminal (22B), wherein the battery cells (20) are arranged in a battery cell stack (31) extending in a first direction (D1), wherein the first direction (D1) is perpendicular to a contact surface (CS) between two adjacent battery cells (20), wherein all the battery cells (20) of the battery cell stack (31) are oriented in a second direction (D2), wherein the second direction (D2) is perpendicular to the first direction (D1) and is also perpendicular to the first surfaces (21) of the battery cells (20), wherein the battery cell stack (31) has a third direction (D3), wherein the third direction is perpendicular to the first direction (D1) and the second direction (D2); a strapping device (40), wherein the strapping device (40) extends at least in the first direction (D1) such as to compress the battery cells (20) towards each other; an outer containment (50), wherein the outer containment (50) encloses the battery module (10).

POWERED WHEELED COMPUTING WORKSTATION

Resumen de: WO2026008807A1

A wheeled workstation comprises: an electric power outlet; and a power housing. The power housing includes a housing body having an inverter compartment for housing an inverter; a battery compartment for housing a battery; and a partition within the housing body for separating the inverter compartment and the battery compartment with the battery compartment above the inverter compartment; wherein the power housing further includes a power inverter having an air intake and a fan for drawing air into the power inverter via the air intake; and wherein the inverter compartment surrounds the power inverter and forms an intake plenum from which it draws air such that the velocity of air passing through the plenum is substantially lower than the velocity of air passing through the air intake.

COMPOSITE SEPARATOR, AND CERIUM OXIDE HAVING OXYGEN VACANCIES, PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2026007829A1

A composite separator, and cerium oxide having oxygen vacancies, a preparation method therefor and a use thereof. The composite separator comprises a separator substrate and a functional coating applied to the surface of the separator substrate. The functional coating comprises (111)-CeO2-x, wherein 0

BATTERY CELL AND BATTERY PACK AND VEHICLE INCLUDING SAME

Resumen de: WO2026010339A1

A battery cell according to an embodiment of the present invention includes: an electrode assembly in which a first electrode, a second electrode, and a separator therebetween are wound around a winding axis; a can configured to accommodate the electrode assembly through an open end portion formed on one side of the can; a lead covering the open end portion and having a liquid injection hole; and a plug configured to seal the liquid injection hole. The plug may include: a lead coupling portion located on the lead; an insertion portion located radially inward from the lead coupling portion and configured to protrude from the lead coupling portion and be inserted into the liquid injection hole; and an edge portion located at an edge of the lead coupling portion and more recessed downward in the winding axis direction than the lead coupling portion.

BATTERY, BATTERY PACK, AND VEHICLE INCLUDING SAME

Resumen de: WO2026010333A1

A battery according to the present invention includes: an electrode assembly provided wound around a central axis of a winding central hole in a state in which a separator interposed between a first electrode and a second electrode is interposed; a cell housing accommodating the electrode assembly and having an opening on one side; and current collecting plates electrically coupled to both the electrode assembly and the cell housing, wherein the current collecting plates have a plurality of electrode coupling portions which are coupled to the electrode assembly and spaced apart from each other from the inside.

VARIABLE RESISTOR STRUCTURE, ELECTRODE ASSEMBLY INCLUDING SAME, BATTERY CELL, BATTERY CELL ASSEMBLY, AND BATTERY PACK

Resumen de: WO2026010308A1

According to exemplary embodiments, an electrode assembly is provided. The electrode assembly comprises: a positive electrode including a positive electrode current collector, a first positive electrode active material layer on the positive electrode current collector, and a second positive electrode active material layer spaced apart from the first positive electrode active material layer with the positive electrode current collector therebetween; a negative electrode including a negative electrode current collector, a first negative electrode active material layer on the negative electrode current collector, and a second negative electrode active material layer spaced apart from the first negative electrode active material layer with the negative electrode current collector therebetween; a separator between the positive electrode and the negative electrode; and a variable resistor structure in contact with the positive electrode and the negative electrode. The variable resistor structure includes a conductive foil and a variable resistor film on the conductive foil, and the variable resistor film includes a transition metal oxide.

DEVICE FOR INSPECTING CYLINDRICAL BATTERY CASE

Resumen de: WO2026010295A1

The present invention relates to a device for inspecting a cylindrical battery case, comprising: a fixing unit that fixes a cylindrical battery case; a support member attached to the fixing unit so as to support the fixing unit; a stand to which the support member is coupled; an inner diameter measuring unit that measures the inner diameter of the cylindrical battery case; and a pressure measuring unit coupled to a lower portion of the inner diameter measuring unit, wherein a measuring unit including the inner diameter measuring unit and the pressure measuring unit moves so as to be inserted into the cylindrical battery case while the cylindrical battery case is fixed to the fixing unit, thereby enabling inspection of whether the inner diameter of the cylindrical battery case is within an appropriate range.

SECONDARY BATTERY AND ELECTRONIC DEVICE

Resumen de: WO2026007657A1

A secondary battery and an electronic device. The secondary battery comprises a positive electrode sheet, a negative electrode sheet and an electrolyte. The positive electrode sheet comprises a composite current collector and a positive electrode material layer provided on at least one surface of the composite current collector. The positive electrode material layer comprises lithium iron phosphate. The electrolyte comprises propylene carbonate and 1,3-propane sultone. On the basis of the mass of the electrolyte, the mass percentage content of propylene carbonate is Z1, and the mass percentage content of 1,3-propane sultone is Z2, wherein 1 ≤ Z1/Z2 ≤ 40. The method can improve the capacity retention rate and the lithium ion acceptability of secondary batteries after high and low temperature impact tests.

POSITIVE ELECTRODE SHEET, PREPARATION METHOD THEREFOR, BATTERY, AND ELECTRICAL SYSTEM

Resumen de: WO2026007614A1

The present application belongs to the technical field of batteries, and specifically discloses a positive electrode sheet, a preparation method therefor, a battery, and an electrical system. The positive electrode sheet comprises: a positive electrode current collector; and a positive electrode active material layer, the positive electrode active material layer being disposed on at least a portion of a surface of the positive electrode current collector, the positive electrode active material layer comprising a positive electrode conductive agent, and the positive electrode conductive agent comprising artificial graphite and conductive carbon black. The distance between two end points of the artificial graphite in the length direction is a, the actual length of the artificial graphite is b, K=a/b, and 0.6≤K<1 is satisfied.

NON-AQUEOUS ELECTROLYTE FOR IMPROVING FAST-CHARGING CAPABILITY, SECONDARY BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2026007654A1

A non-aqueous electrolyte for improving fast-charging capability, a secondary battery, and an electric device. The non-aqueous electrolyte comprises an organic solvent and an additive; the organic solvent comprises a first organic solvent, and the first organic solvent is a linear carboxylic acid ester; and the additive comprises a first additive, and the first additive is a cyclic organic base additive. By using the cyclic organic base additive in combination with the linear carboxylic acid ester solvent, good cycle performance and storage performance of batteries can be ensured, while the effect of the linear carboxylic acid ester solvent on improving the conductivity of electrolytes can be fully exerted, and gas generation during storage is reduced.

BATTERY CELL AND MANUFACTURING METHOD THEREFOR, BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2026007643A1

The present application discloses a battery cell and a manufacturing method therefor, a battery, and an electric device. The battery cell comprises a negative electrode sheet. The negative electrode sheet comprises a negative electrode current collector and a lithium metal layer arranged on at least one surface of the negative electrode current collector. The surface of the lithium metal layer is provided with a plurality of pits. The average size of the pits is 20 μm to 160 μm, and the number density of the pits is 208/mm2 to 320/mm2. The battery cell has a long cycle life.

APPARATUS AND METHOD FOR LAMINATING AN ELECTRODE ASSEMBLY AND BATTERY PART COMPRISING AN ELECTRODE ASSEMBLY

Resumen de: WO2026010267A1

Disclosed is an apparatus for laminating an electrode assembly. The apparatus (100) is configured to receive an electrode assembly comprising a separator sheet and an electrode sheet. The apparatus comprises a lamination roller assembly with one or more rotatable lamination rollers for laminating the electrode sheet and the separator sheet to each other by application of pressure and/or heat. The apparatus is configured to roll the one or more lamination rollers across the electrode assembly along a lamination direction by moving one or both of the electrode assembly and the one or more lamination rollers. The lamination roller assembly is configured to laminate the electrode sheet and the separator sheet to each other in a plurality of spatially separated lamination areas that are displaced with respect to each other along the lamination direction and a lateral direction perpendicular to the lamination direction.

BATTERY AND ELECTRONIC DEVICE COMPRISING SAME

Resumen de: WO2026010266A1

Embodiments of the present disclosure relate to a battery and an electronic device comprising same, the battery comprising: an electrode stack (6101) in which a plurality of electrode assemblies (610) including a cathode (611), an anode (612), and a separator (613) disposed between the cathode (611) and the anode (612) are stacked in the thickness direction; a battery case (510) including a case area, which cases the electrode stack (6101), and a protruding area (512), which extends from one side of the case area; a plurality of substrate tabs (620) extending from the plurality of electrode assemblies (610) to the protruding area (512); and electrode tabs (520) welded (710) to the plurality of substrate tabs (620) in the protruding area (512), wherein, in the protruding area (512), a portion of each of the electrode tabs (520) can be disposed in a folded state. Other various embodiments can also be included.

PACK STRUCTURE FILLED WITH PHASE CHANGE MATERIAL

Resumen de: WO2026010270A1

The disclosed invention relates to a pack structure forming at least a part of a pack case and having a plurality of hollow passages therein, wherein at least some of the plurality of hollow passages are filled with a phase change material that undergoes a phase change from solid to liquid when the temperature rises above a preset temperature.

BATTERY MANUFACTURING METHOD AND CORRESPONDING BATTERY

Resumen de: WO2026010269A1

Disclosed is a battery manufacturing method. A first stack part is formed by applying a positive active material on one of two main surfaces of a first separator sheet and applying a negative active material on the other one of the two main surfaces of the first separator sheet. A second stack part is formed by applying the positive active material onto one of two main surfaces of a second separator sheet and applying the negative active material onto the other one of the two main surfaces of the second separator sheet. The first stack part and the second stack part are stacked upon each other with a current collector plate interposed between the first stack part and the second stack part.

BATTERY CELL AGING DEVICE AND BATTERY CELL AGING METHOD USING SAME

Resumen de: WO2026010263A1

According to exemplary embodiments of the present invention, a battery cell aging device is provided. The battery cell aging device may comprise: a plastic cover including an opening into which an electrode terminal is inserted; and a moisture supply layer in the plastic cover.

SOLID ELECTROLYTE, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2026007362A1

Provided in the present disclosure are a solid electrolyte, a preparation method therefor and a secondary battery. The solid electrolyte comprises an oxide solid electrolyte and a shell layer coating the surface of the oxide solid electrolyte, wherein the shell layer comprises a monomer polymer and an ionic liquid. The monomer polymer is obtained by copolymerizing a first polymeric monomer and a second polymeric monomer, wherein the first polymeric monomer comprises one or more of ethylene glycol monomethyl ether acrylic acid, ethylene glycol monomethyl ether methacrylate, ethylene glycol monoethyl ether methacrylate and ethylene glycol monopropyl ether methacrylate; and the second polymeric monomer comprises a fluoroacrylate. F doping is firstly selected to modify LATP in the present disclosure, thereby significantly improving the ionic conductivity of the LATP, and widening the electrochemical window thereof, which is beneficial to improving the hydrophobicity thereof. The inner structure selected in the present disclosure is an LATP material doped with F, which can form better attraction to a C-containing group in the coating layer and cations of the ionic liquid, thereby improving the coating effect of the outer layer.

BATTERY CELL ELECTRODE SHEET, BATTERY CELL, BATTERY, BATTERY PACK, AND ELECTRIC DEVICE

Resumen de: WO2026007488A1

Disclosed are a battery cell electrode sheet, a battery cell, a battery, a battery pack, and an electric device. The battery cell electrode sheet comprises: a substrate, comprising a tab region and a coating region, wherein the tab region is located on one side of the coating region in a first direction; and a grafting member, extending from the end portion of the battery cell electrode sheet in the first direction toward the coating region and covering at least part of at least one surface of the tab region. In the solution of the present disclosure, the grafting member extends from the end portion of the battery cell electrode sheet in the first direction toward the coating region and covers at least part of the at least one surface of the tab region, and forms a tab together with the tab region, such that the current-carrying area of the tab can be increased, thereby reducing the internal resistance of the tab and improving the current-carrying capability of the tab, effectively mitigating the problem of excessive temperature rise of the tab during fast charging.

BATTERY PACK AND ENERGY STORAGE SYSTEM

Resumen de: WO2026007468A1

The present application relates to the technical field of energy storage, and provides a battery pack and an energy storage system. A DC/DC conversion circuit in the battery pack provided by the present application is used for providing a first excitation current for a plurality of battery cells. An impedance detection circuit is used for detecting a second excitation current flowing through the plurality of battery cells, detecting a voltage generated by the second excitation current at two ends of the battery pack, and determining the impedance of the battery pack on the basis of the second excitation current and the voltage. The DC/DC conversion circuit and the impedance detection circuit are both provided in the battery pack, and the process in which the DC/DC conversion circuit provides the first excitation current and the process in which the impedance detection circuit detects the second excitation current and the voltage and determines the impedance would not affect the normal operation (such as normal charging and discharging) of the battery pack. Therefore, on-line detection of the impedance of the battery pack is achieved during operation of the battery pack. In this way, on-line monitoring of the state of health of the battery pack can be achieved, thereby ensuring that potential safety risks of the battery pack can be detected in a timely manner.

APPARATUS AND METHOD FOR PRE-DETECTING THERMAL RUNAWAY USING BMS HAVING EIS FUNCTION

Resumen de: WO2026010046A1

The present invention relates to an apparatus and method for pre-detecting thermal runaway using a battery management system (BMS) having an electrochemical impedance spectroscopy (EIS) function and, more specifically, to an apparatus and method for pre-detecting thermal runaway using a BMS having an EIS function, in which a quick diagnosis mode for measuring impedance using only one preset frequency among a plurality of impedance measurement frequencies of an EIS of a module BMS when a thermal runaway prediction event occurs is set, the impedance of cells is measured for each battery module by the set frequency through the EIS in the quick diagnosis mode, and a thermal runaway probability based on a variation deviation of the measured impedance is predicted and reported.

NEGATIVE ELECTRODE FOR ALL-SOLID-STATE BATTERY, ALL-SOLID-STATE BATTERY COMPRISING SAME, AND METHOD FOR MANUFACTURING NEGATIVE ELECTRODE FOR ALL-SOLID-STATE BATTERY

Resumen de: WO2026010043A1

The present invention relates to a negative electrode for an all-solid-state battery, an all-solid-state battery comprising same, and a method for manufacturing a negative electrode for an all-solid-state battery. More specifically, the all-solid-state battery comprises: a positive electrode layer; a negative electrode layer; and a solid electrolyte layer between the positive electrode layer and the negative electrode layer. The negative electrode layer comprises a negative electrode current collector, a first coating layer on the negative electrode current collector, and a second coating layer on the first coating layer, and the second coating layer includes a composite of lithium sulfide and a lithium salt.

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2026010034A1

A cathode active material for a lithium secondary battery, according to the present invention, comprises: a core including a lithium transition metal oxide that does not include cobalt; and an oxide coating layer positioned on the surface of the core, wherein the oxide coating layer is an oxide including lithium (Li) and at least one element selected from the group consisting of titanium (Ti), zirconium (Zr), aluminum (Al), and silicon (Si).

COMPOSITE POSITIVE ACTIVE MATERIAL, PREPARATION METHOD THEREOF, POSITIVE ELECTRODE COMPRISING SAME, AND ALL-SOLID-STATE RECHARGEABLE BATTERIES

Resumen de: WO2026010036A1

The present invention relates to a composite positive active material, a preparation method thereof, a positive electrode comprising same, and all-solid-state rechargeable batteries, the composite positive active material comprising: a core particle including a lithium transition metal-based composite oxide; and a first coating layer positioned on the surface of the core particle and including a composite solid electrolyte, wherein the composite solid electrolyte includes a first particle and a second coating layer positioned on the surface of the first particle and including a second particle, the first particle including a first solid electrolyte having an elastic modulus of less than 20 GPa, and the second particle including a second solid electrolyte having an elastic modulus of greater than or equal to 20 GPa.

BATTERY CELL ASSEMBLY, BATTERY PACK AND ELECTRIC DEVICE

Resumen de: WO2026007729A1

A battery cell assembly, a battery pack and an electric device. The battery cell assembly comprises a plurality of first battery cells, a plurality of second battery cells, a first exhaust member, and a second exhaust member. The plurality of first battery cells and the plurality of second battery cells are alternately arranged in sequence and stacked in a first direction, each first battery cell is provided with a first pressure relief member, and each second battery cell is provided with a second pressure relief member. The first exhaust member extends in the first direction, and a plurality of first exhaust holes are formed in the first exhaust member, and respectively face and are in communication with the plurality of first pressure relief members. The second exhaust member extends in the first direction, and a plurality of second exhaust holes are formed in the second exhaust member, and respectively face and are in communication with the plurality of second pressure relief members.

NON-AQUEOUS ELECTROLYTE FOR IMPROVING HIGH-TEMPERATURE CYCLING AND STORAGE, SECONDARY BATTERY, AND ELECTRICAL APPARATUS

Resumen de: WO2026007649A1

A non-aqueous electrolyte for improving high-temperature cycling and storage, a secondary battery, and an electrical apparatus. The non-aqueous electrolyte comprises an organic solvent and an additive. The organic solvent comprises a first organic solvent, the first organic solvent comprising ethylene carbonate (EC), the mass content of EC in the electrolyte being W1, and W1 satisfying 0

SECONDARY BATTERY HAVING IMPROVED CYCLE STORAGE PERFORMANCE, AND ELECTRIC DEVICE

Resumen de: WO2026007647A1

The present application provides a secondary battery having improved cycle storage performance, and an electric device. The secondary battery comprises a positive electrode sheet, a negative electrode sheet and a non-aqueous electrolyte, wherein the non-aqueous electrolyte comprises an additive, the additive comprising a first additive, which is a cyclic organic base additive; and the positive electrode sheet comprises a positive electrode active material. The positive electrode active material comprises: an inner core and a carbon coating layer, wherein the inner core is lithium iron manganese phosphate, and the carbon coating layer at least covers part of the surface of the inner core. In the present invention, by introducing the organic base additive, which captures protons, into the electrolyte of the secondary battery, in which lithium iron manganese phosphate serves as a positive electrode active material, the interaction effect of protons is reduced, thereby realizing the long service life of a cell.

BATTERY CELL ACTIVATION SYSTEM AND METHOD

Resumen de: WO2026010200A1

The present invention provides a battery cell activation system comprising: a pre-charging unit (100) for pre-charging a battery cell which may be in a pre-impregnation state in which the battery cell has yet to be sufficiently impregnated with an electrolyte injected therein; a profile acquisition unit (200) for acquiring a voltage or capacity profile of the battery cell on the basis of information measured while the battery cell is being pre-charged by the pre-charging unit (100); and a quality determination unit (300) for predicting or determining the quality of the battery cell on the basis of the profile.

APPARATUS FOR MANUFACTURING ALL-SOLID-STATE BATTERIES AND METHOD FOR MANUFACTURING ALL-SOLID-STATE BATTERIES USING SAME

Resumen de: WO2026010018A1

The apparatus for manufacturing an all-solid-state batteries according to the present invention comprises: a gasket feed unit comprising a first rotating device; and an upper film removal unit comprising a second rotating device. The first rotating device unwinds gasket structures from a roll into a flat state, each gasket structure comprising a carrier film, a gasket thereon, and a protective film on the gasket. The second rotating device winds the protective film from a flat state into a roll.

ELECTRONIC APPARATUS INCLUDING CIRCUIT FOR PROTECTING FLEXIBLE PRINTED CIRCUIT BOARD AND OPERATING METHOD THEREOF

Resumen de: WO2026010117A1

According to an embodiment, an electronic apparatus may include: a first housing; a second housing; a first battery disposed in the first housing; a printed circuit board (PCB) including a power management circuit disposed in the second housing; and a flexible printed circuit board (FPCB) configured to connect the first battery to the PCB, and including a first connector connected to the first battery, a second connector configured to connect to the PCB, and a protection circuit. The protection circuit may be configured to supply, provide, or apply battery power or battery voltage to the PCB through the second connector only after the first connector of the FPCB is fully connected or fastened to the first battery and the second connector of the FPCB is fully connected or fastened to the PCB.

BATTERY MANAGEMENT DEVICE

Resumen de: WO2026010021A1

A battery management device according to one embodiment of the present invention comprises a main substrate and a wireless communication module arranged on the main substrate, wherein the wireless communication module has an independent module including: a module substrate; a wireless communication unit arranged at the module substrate; and an antenna radiating wireless signals, the antenna being patterned on the module substrate and being arranged inside a battery pack so as to perform wireless communication with another battery management device.

POSITIVE ELECTRODE SLURRY COMPOSITION, POSITIVE ELECTRODE, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2026010253A1

The present invention relates to a positive electrode slurry composition, a positive electrode, and a lithium secondary battery comprising same and, specifically, to a positive electrode slurry composition for a lithium secondary battery, a positive electrode for a lithium secondary battery, and a lithium secondary battery comprising same, the positive electrode slurry composition comprising a positive electrode active material, a film-forming additive, and a solvent, wherein the film-forming additive is a compound represented by chemical formula 1.

SECONDARY BATTERY AND ELECTRONIC DEVICE

Resumen de: WO2026007658A1

Provided in the present application are a secondary battery and an electronic device. The secondary battery comprises a positive electrode sheet, a negative electrode sheet, and an electrolyte solution. The positive electrode sheet comprises a composite current collector and a positive electrode material layer provided on at least one surface of the composite current collector. The positive electrode material layer comprises a lithium nickel cobalt manganese oxide compound. On the basis of the total molar amount of metal elements other than lithium, the molar percentage content of nickel in the lithium nickel cobalt manganese oxide compound is X, wherein X>80%. The electrolyte solution comprises ethylene carbonate and fluoroethylene carbonate. On the basis of the mass of the electrolyte solution, the mass percentage content of the ethylene carbonate is Y1, and the mass percentage content of the fluoroethylene carbonate is Y2, wherein 1≤Y1/Y2≤35. The present application can improve the capacity retention ratio and lithium ion acceptance of a secondary battery after a high- or low-temperature impact test.

IN-SITU BATTERY FAILURE ANALYSIS SYSTEM AND METHOD

Resumen de: WO2026007563A1

Disclosed in the present invention are an in-situ battery failure analysis system and method, which are applicable to a rechargeable battery preset with an optical fiber probe. The in-situ battery failure analysis system comprises: a battery model, a charging and discharging test system, an optical fiber stress test system and a differential electrochemical mass spectrometry test system, wherein by means of the battery model, a rechargeable battery to be analyzed and an optical fiber probe thereof are respectively coupled to the optical fiber stress test system and the differential electrochemical mass spectrometry test system, such that when the charging and discharging test system performs charging and discharging on the rechargeable battery, the following operations can be synchronously implemented: the optical fiber stress test system performs a test to obtain a stress change feature of an electrode material of the rechargeable battery during charging, and the differential electrochemical mass spectrometry test system performs a test to obtain a gas generation characteristic of the electrode material of the rechargeable battery during charging. Thus, by means of the stress change feature and the gas generation characteristic, a failure mechanism of the electrode material of the rechargeable battery during charging is clarified.

HIGH-ENTROPY LITHIUM-RICH MANGANESE-BASED PRECURSOR, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2026007344A1

Disclosed in the present application are a high-entropy lithium-rich manganese-based precursor, and a preparation method therefor and the use thereof. The preparation method comprises the following steps: 1) preparing an aluminum-niobium co-doped nickel-manganese precursor by using a co-precipitation method; 2) introducing a doping and coating solution into the reaction system for preparing the aluminum-niobium co-doped nickel-manganese precursor, wherein the doping and coating solution comprises zirconium, tungsten and titanium, proceeding with the co-precipitation reaction to coat the aluminum-niobium co-doped nickel-manganese precursor, thereby obtaining a doped and coated precursor; and 3) sintering the doped and coated precursor to make doping elements in the doped and coated precursor diffuse, thereby obtaining the high-entropy lithium-rich manganese-based precursor. In the present application, by combining wet doping and coating in a synthesis stage of the high-entropy lithium-rich manganese-based precursor, elements are uniformly distributed without affecting the morphology and structure of the precursor, thereby effectively improving the structural stability of the high-entropy lithium-rich manganese-based positive electrode material prepared from the precursor, and improving the electrochemical performance thereof.

BATTERY PACK AND DEVICE INCLUDING SAME

Resumen de: WO2026010250A1

A battery pack according to an embodiment of the present invention includes: a plurality of battery cells including electrode terminals; bus bars connected to the electrode terminals; and a printed circuit board (PCB) which is connected to the bus bars, senses voltage data of the battery cells, and transmits the voltage data to a BMS module which monitors and controls operations of the battery cells. The printed circuit board and the bus bars include metal materials, and thus are connected to each other by bonding the metal materials.

AEROGEL COMPOSITE MATERIAL, HEAT-RESISTANT PAD COMPRISING SAME, AND METHOD FOR MANUFACTURING HEAT-RESISTANT PAD

Resumen de: WO2026010247A1

A method for manufacturing a heat-resistant pad according to the present invention comprises the steps of: mixing a fluorine-based resin and aerogel particles at a weight ratio of 1:1 to 1:1.5 in a solid phase to form an aerogel composite material; and sheeting the aerogel composite material to form an insulation layer.

BATTERY PACK

Resumen de: WO2026010241A1

The technical concept of the present invention is to provide a battery pack comprising a pack housing and a cell assembly disposed within the pack housing, the cell assembly comprising: a plurality of battery cells; and a heat transfer structure comprising a top plate disposed on the plurality of battery cells, and a plurality of side plates in contact with the plurality of battery cells, wherein each of the plurality of side plates is fitted to the top plate.

POWER STORAGE FACILITY AND METHOD FOR CONTROLLING POWER STORAGE FACILITY

Resumen de: WO2026009755A1

A power storage facility 10 according to the present disclosure comprises: a housing; banks A, B, C, and D configured by electrically connecting a plurality of power storage elements in series; and a protection unit 100 that opens and closes power lines of the banks A, B, C, and D. The plurality of banks A, B, C, and D are housed in the housing. The plurality of banks A, B, C, and D have a first bank A and a second bank B arranged side by side in the vertical direction. The first bank A has first bank rows A1 and A2 in which the plurality of power storage elements are arranged side by side in a direction intersecting the vertical direction. The second bank B has second bank rows B1 and B2 in which the plurality of power storage elements are arranged side by side in the direction intersecting the vertical direction. The first bank A and the second bank B are electrically connected in parallel.

SOLID-STATE BATTERY AND METHOD FOR PRODUCING SAME

Resumen de: WO2026009696A1

This solid-state battery comprises: a battery element that is obtained by alternately laminating positive electrode layers and negative electrode layers with solid electrolyte layers interposed therebetween; insulating layers that are respectively disposed on side surfaces of the battery element, the insulating layers facing each other in parallel with the lamination direction; and a pair of external electrodes that are disposed so as to cover the respective insulating layers. The pair of external electrodes each include lead-out portions that extend so as to penetrate local sections of the insulating layers, are respectively formed in recesses disposed on connection end surfaces of electrode layers of one type selected from the positive electrode layers and the negative electrode layers, and electrically connect the electrode layers of the one type to one of the pair of external electrodes.

BATTERY PACK AND ENERGY STORAGE SYSTEM

Resumen de: WO2026007469A1

The present application belongs to the technical field of energy storage, and provides a battery pack and an energy storage system. The battery pack provided in the present application is provided with a DC/DC conversion circuit, and the DC/DC conversion circuit can provide a first excitation current for a plurality of battery cells in the battery pack. A BMS in the battery pack can detect, by means of a current sampling circuit, a second excitation current flowing through the plurality of battery cells, and measure the voltages generated by the second excitation current at two ends of each battery cell to then determine the impedance of each battery cell on the basis of the second excitation current and the voltages. Since the DC/DC conversion circuit is disposed independent of the BMS and is not integrated into the BMS, the heat dissipation performance of the BMS is not affected when the DC/DC conversion circuit provides the first excitation current. Correspondingly, the first excitation current provided by the DC/DC conversion circuit can be large, thereby ensuring that the voltages sampled by the BMS are large, so as to accurately measure the impedances of the battery cells.

HOUSING, ENERGY STORAGE CABINET, AND ENERGY STORAGE DEVICE

Resumen de: WO2026007493A1

The present disclosure relates to an energy storage device, having an energy storage cabinet. The energy storage cabinet comprises a housing, the housing comprising a cabinet door and a cabinet body. A side of the cabinet body is provided with an opening. An end of the cabinet door is movably connected to the cabinet body and is suitable for opening or closing the opening. The cabinet door is structured as a cabinet door that opens vertically. The cabinet door cooperates with the cabinet body and defines an accommodating cavity, and the accommodating cavity is suitable for accommodating a battery module.

LITHIUM-ION CYLINDRICAL BATTERY AND ELECTRICAL APPARATUS

Resumen de: WO2026007451A1

The present invention belongs to the technical field of lithium-ion batteries. Disclosed is a lithium-ion cylindrical battery, comprising a housing, a cylindrical rolled core located in the housing, and an electrolyte. The cylindrical battery satisfies the following relational expression during charging and discharging: (|△a|+|△b|)/((a+b)/2)≤3%, a and b being the longest diameter and the shortest diameter, respectively, of the cylindrical battery in a fully discharged state, and △a and △b being change values of the longest diameter and the shortest diameter, respectively, at 0% SOC and 100% SOC. The cylindrical battery provided in the present invention obtains a specific initial internal stress by means of limiting the external deformation amount of the cylindrical battery, reserving a deformation release space for a later formation cycle of the cylindrical battery, and avoiding distortion or even fracture of a local electrode sheet caused by excessive internal stress.

ELECTROLYTE, BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2026007414A1

An electrolyte, a battery, and an electric device. The electrolyte comprises an organic solvent, a lithium salt, and an additive, the organic solvent comprises an ionic liquid, the ionic liquid comprises a cation and an anion, and the cation comprises one or more of the following structural formulas: (I)-(V). In structural formulas I-V, R1-R10 each independently comprise one or more of C1-C8 alkyl or a C1-C8 alkyl isomer; and the anion comprises one or more of the following structural formulas: (VI)-(X). By introducing the ionic liquid, a large number of anions are driven to enter a Li+ solvation sheath, a solvation structure is regulated and controlled by means of a series of weak interactions, and multiple regulation and control of an interface are completed under the condition that fluorinated anions dominate the solvation structure, such that the solvation structure of Li+ and a derived interface can be effectively adjusted, the service temperature range of a battery is widened, the cycle life of the battery is prolonged, the energy density and the power density of the battery are increased, and the safety of the battery is improved.

CHARGING CONTROL DEVICE, POWER STORAGE DEVICE, AND CHARGING CONTROL METHOD

Resumen de: WO2026009744A1

This charging control device: changes the charging current value in a process of charging a power storage element; charges the power storage element so that the charging current value becomes minimum at the end of charging; calculates the charging electricity amount from a change point, where the charging current value has changed, to the end of charging; and changes a next charging condition when the calculated charging electricity amount is equal to or greater than a prescribed threshold value.

SOLID-STATE BATTERY, SOLID-STATE BATTERY PACKAGE PROVIDED WITH SOLID-STATE BATTERY, AND METHOD FOR MANUFACTURING SOLID-STATE BATTERY

Resumen de: WO2026009697A1

A solid-state battery according to the present invention is provided with: a battery element in which a positive electrode layer and a negative electrode layer are alternately laminated with a solid electrolyte layer therebetween, in which the positive electrode layer and the negative electrode layer are exposed, and which has at least one side surface parallel to the lamination direction; an insulating layer disposed so as to cover at least a portion of a first end surface of the first electrode layer of one of the electrode layers from among the positive electrode layer and the negative electrode layer exposed at the side surface; and an external electrode disposed on a portion of the side surface so as to cover the insulating layer and a second end surface of the second electrode layer of the other electrode layer from among the positive electrode layer and the negative electrode layer exposed at the side surface, wherein mathematical expression (1), (1): W ≥ W1 > W2, is satisfied in mathematical expression (1), W represents the width, in the extension direction, of the first end surface, W1 represents the width, in the extension direction, of the insulating layer disposed on the first end surface, and W2 represents the width, in the extension direction, of the external electrode disposed on the insulating layer.

AQUEOUS SECONDARY BATTERY

Resumen de: WO2026009938A1

This zinc/zinc sulfate/manganese oxide aqueous secondary battery uses a zinc alloy that contains indium (In) and bismuth (Bi) as a negative electrode active material and can thereby suppress generation of hydrogen gas.

POWER STORAGE ELEMENT

Resumen de: WO2026009917A1

This power storage element comprises an electrode body, wherein the electrode body includes a wound electrode plate, the electrode plate includes a formation part in which an active material layer is formed, and a non-formation part in which the active material layer is not formed. The non-formation part is arranged on one side in the winding axis direction of the electrode plate of the formation part. The formation part has a plurality of recessed parts recessed in the thickness direction of the electrode plate. The formation part comprises a first region including one end in the winding axis direction and a second region including the other end in the winding axis direction. A first opening ratio, which is the opening ratio of the recessed parts in the first region, is larger than a second opening ratio, which is the opening ratio of the recessed parts in the second region.

POWDER, ION CONDUCTOR, SHEET, ELECTRODE, SEPARATOR, AND POWER STORAGE DEVICE

Resumen de: WO2026009724A1

Provided are a powder (19), an ion conductor (10), a sheet (12), an electrode (12), a separator (15), and a power storage device (11) capable of reducing changes in crystal structure. The powder is a solid electrolyte and includes: a first phase that has lithium ion conductivity and a garnet-type crystal structure containing Li; and a second phase that has a non-garnet structure having proton conductivity. Examples of the second phase include phases having a perovskite-type or perovskite-like crystal structure. The ion conductor contains the powder and an electrolyte solution obtained by dissolving a lithium salt in a solvent. The sheet, the electrode, the separator, and the power storage device contain the powder.

SURFACE-MODIFIED GRAPHITE NEGATIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREFOR, AND USE THEREOF

Resumen de: WO2026007684A1

The present application relates to the technical field of solid-state batteries, and discloses a surface-modified graphite negative electrode material, a preparation method therefor, and a use thereof. The surface-modified graphite negative electrode material comprises a graphite core, an inner coating layer, and an outer coating layer, the inner coating layer coats the surface of the graphite core, and the outer coating layer coats the surface of the inner coating layer; the inner coating layer is made of a LiX-doped binary sulfide electrolyte, and the outer coating layer is made of a ternary sulfide electrolyte; X is a halogen element; and the mass ratio of the graphite core to the inner coating layer to the outer coating layer is (85-99.5):(0.25-5):(0.25-10). In the present application, coating modification is performed on the graphite negative electrode material, so that the probability of side reactions between the graphite negative electrode material and an electrolyte material is reduced, thereby improving the ionic conductivity and the electronic conductivity of the negative electrode material, and improving the rate performance of the negative electrode material and a solid-state battery.

POWER BATTERY COOLING SYSTEM AND METHOD, VEHICLE, AND STORAGE MEDIUM

Resumen de: WO2026007674A1

Disclosed in the present disclosure are a power battery cooling system and method, a vehicle, and a storage medium. The system comprises: a power battery case, a power battery being mounted in the power battery case, and the power battery being connected to temperature sensors; a refrigerant storage device, the refrigerant storage device being connected to the power battery case by means of a liquid outlet line and a liquid return line; a pressure regulating device, the pressure regulating device being arranged on the liquid outlet line; a solenoid valve, the solenoid valve being arranged on the liquid outlet line between the pressure regulating device and the refrigerant storage device; a circulating pump, the circulating pump being arranged on the liquid return line; and a controller, the controller being communicationally connected to the temperature sensors, the pressure regulating device, the solenoid valve, and the circulating pump. The present disclosure solves the technical problem in the related art that cooling schemes exhibit insufficient cooling capacity when high-temperature chain reactions occur inside batteries.

SECONDARY BATTERY AND ELECTRONIC DEVICE

Resumen de: WO2026007660A1

Provided in the present application are a secondary battery and an electronic device. The secondary battery comprises a positive electrode sheet, a negative electrode sheet, and an electrolyte solution. The positive electrode sheet comprises a composite current collector and a positive electrode material layer provided on at least one surface of the composite current collector. The positive electrode material layer comprises a lithium nickel cobalt manganese oxide compound. On the basis of the total molar amount of metal elements other than lithium, the molar percentage content of nickel in the lithium nickel cobalt manganese oxide compound is X, wherein X>80%. The electrolyte solution comprises adiponitrile and succinonitrile. On the basis of the mass of the electrolyte, the mass percentage content of adiponitrile is B1, and the mass percentage content of succinonitrile is B2, wherein 0.01≤X×B1/B2≤90. The present application can improve the capacity retention ratio and lithium ion acceptance of a secondary battery after a high- or low-temperature impact test.

POWER SOURCE DEVICE AND POWER SOURCE CONTROL METHOD

Resumen de: WO2026009534A1

Provided are a power source device and a power source control method with which, even when connections of a plurality of secondary batteries to a load are switched, it is possible to maintain a stable supply of power by suppressing fluctuations in output voltage while preventing instantaneous interruptions.　This power source device is provided with a plurality of batteries (12a to 12d) to be charged/discharged, and a charging/discharging control unit (11) that selects a battery to be discharged from among the plurality of batteries (12a to 12d) and connects the selected battery to a load, and selects a battery to be charged and connects the selected battery to a source of power. While excluding the battery to be charged from the plurality of batteries (12a to 12d), the charging/discharging control unit (11) selects a battery from a battery-to-be-discharged group included in a first potential range, as the battery to be discharged. If there is no battery included in the first potential range among the plurality of batteries (12a to 12d), the charging/discharging control unit (11) resets the first potential range and switches the battery to be discharged between a first battery and a second battery included in the battery-to-be-discharged group.

METHOD FOR MANUFACTURING ALL-SOLID BATTERY, AND ALL-SOLID BATTERY

Resumen de: WO2026009385A1

Provided is a method for manufacturing an all-solid battery with which, during manufacturing, even when a short circuit has occurred in a battery cell including a Li metal or a Li alloy in a negative electrode, it is possible to prevent a large current from flowing to a short-circuited cell. Also provided is an all-solid battery. The present invention comprises: a step for pressing a layered body, in which a negative electrode containing a lithium metal or a lithium alloy, a solid electrolyte layer, and a positive electrode are repetitively arranged in one direction, to form an all-solid battery layered body in which a plurality of battery cells are layered; and a step for welding a tab lead to a protruding portion, which is a part of a current collector of at least one of the negative electrode and the positive electrode and which protrudes from the all-solid battery layered body. The protruding portion is provided with an insulating material before pressing. The insulating material is an insulating film or an insulating sheet composed of a low-melting-point insulating material. A welded portion where the protruding portion and the tab lead are welded forms a non-insulating portion.

BATTERY AND METHOD FOR PRODUCING SAME

Resumen de: WO2026009502A1

A battery according to the present disclosure comprises a unit cell that includes an electrode current collector, an electrode active material layer, a solid electrolyte layer, a counter electrode active material layer, and a counter electrode current collector in this order. In a plan view of the counter electrode current collector, at least one of a plurality of corner parts of the counter electrode active material layer is provided with a non-covered region that is not covered by the counter electrode current collector, and among a plurality of corner parts of the counter electrode current collector, a corner part that is provided with the non-covered region is provided with a first round part which has an R-chamfered shape.

A BATTERY PACK AND METHOD FOR ASSEMBLING A BATTERY PACK

Resumen de: WO2026009252A1

The present disclosure relates to a battery pack (100) and method (300) assembling a battery pack (100). The battery pack (100) includes a plurality of battery cells (102) coupled to each other. The battery pack (100) further includes a plurality of busbars (104) coupled to the plurality of battery cells. The battery pack (100) further includes a thermal sheet (106) including multiple layers. The thermal sheet (106) is adapted to be spaced between each of the plurality of battery cells (102) such that the one or more battery cells of the plurality of battery cells (102) are wrapped utilizing the thermal sheet (106). Further, the thermal sheet (106) is adapted to house the plurality of battery cells (102). The thermal sheet (106) is adapted to absorb, transport and dissipate heat generated from the plurality of battery cells (102).

POWER SOURCE MANAGEMENT SYSTEM, METHOD FOR CHARGING SECONDARY BATTERY, AND VEHICLE

Resumen de: WO2026009360A1

This power source management system includes a battery, which is a power source for a high-voltage system, a power supply unit that receives a supply of power from the outside to charge the battery, a DC-DC converter that steps down power of the battery and supplies the power to a low-voltage system, and a charge control device that controls charging of the battery, wherein the power source management system executes charge/discharge processing that promotes the elimination of battery polarization by alternately performing first control for supplying power from the power supply unit to the battery and the DC-DC converter, and second control for stopping the supply of power from the power supply unit to the battery and the DC-DC converter and supplying power from the battery to the DC-DC converter.

LITHIUM-ION BATTERY

Resumen de: WO2026009121A1

The purpose of the present invention is to provide a lithium-ion battery having a large discharge capacity and good rate characteristics. This lithium-ion battery has a positive electrode, a negative electrode, and a first electrolyte. The positive electrode has a positive electrode active material. The positive electrode active material has an olivine-type crystal structure, and has lithium, manganese, iron, zinc, phosphorus, and oxygen, where the atomic ratio of manganese to the sum of manganese, iron, and zinc contained in the positive electrode active material (Mn/(Mn + Fe + Zn)) exceeds 0.5, and the atomic ratio of zinc in the sum of manganese, iron, and zinc contained in the positive electrode active material (Zn/(Mn + Fe + Zn)) is 0.01 or more and less than 0.05.

CELL MODULE INSPECTION DEVICE

Resumen de: WO2026009010A1

Provided is a cell module inspection device that makes it possible to easily inspect the degree of deterioration of a cell module. This cell module inspection device comprises: an impedance detection circuit that detects a measurement current which is applied to a plurality of cell modules connected in series, that detects a response voltage which occurs at each terminal of the plurality of cell modules, and that calculates the internal impedance of each of the plurality of cell modules on the basis of the measurement current and the response voltage; and a connection polarity switching circuit that is disposed between the impedance detection circuit and the terminal of each of the plurality of cell modules. Even if a cell module is reverse-connected to the connection polarity switching circuit, the connection polarity switching circuit uses the stored power of the cell module to automatically switch the output polarity of the connection polarity switching circuit to the same polarity as in the case of normal connection. The output polarity of the connection polarity switching circuit is set by combining, per cell module, inversion and non-inversion in the direction of the series connection.

METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PRODUCING SECONDARY BATTERY, METHOD FOR PRODUCING POROUS CARBON, POSITIVE ELECTRODE ACTIVE MATERIAL, AND SECONDARY BATTERY

Resumen de: WO2026009120A1

Provided are a high-capacity lithium-ion secondary battery, and a positive electrode active material used for the same. Also provided is a porous carbon that can be used in the positive electrode active material. Provided is a method for producing a positive electrode active material, in which a porous carbon and sulfur are mixed and subjected to a heat treatment at from 120°C to 160°C for from 1 to 10 hours. The porous carbon is obtained by: mixing a spherical resin, a base having a weight of from 1.0 to 2.0 times a weight of the spherical resin, and water; subjecting the mixture to a first heat treatment performed in an inert atmosphere at from 700°C to 1000°C for from 1 to 20 hours; and then washing, performing a treatment with an acidic solution, washing, and crushing. The volume of pores of the porous carbon having a pore diameter of 2.0 nm or less as calculated by an MP method is from 0.70 to 1.2 cm3/g.

NEGATIVE ELECTRODE MATERIAL AND BATTERY

Resumen de: WO2026008082A1

Provided in the present application are a negative electrode material and a battery. The negative electrode material comprises an active material, the active material comprising a first matrix and a second matrix. The negative electrode material has pores, wherein the volume of the pores of the negative electrode material is M cm3/g, the volume of the pores of the negative electrode material measured after being maintained for 1 h under a pressure of 80 Mpa is N cm3/g, and the particle space collapse ratio of the negative electrode material is P, P＝(M-N)/M, wherein 0.002≤M≤0.12, and 0.05≤P≤0.85. In the present application, the rigidity of the negative electrode material is adjusted by means of controlling the pore volume of the negative electrode material before and after pressurization, thereby improving the electrochemical performance of the negative electrode material while ensuring the structural stability of the negative electrode material.

NEGATIVE ELECTRODE PLATE, BATTERY, BATTERY PACK, AND ELECTRONIC DEVICE

Resumen de: WO2026008056A1

The present application provides a negative electrode plate, a battery, a battery pack, and an electronic device. The negative electrode plate comprises a current collector, and a negative electrode active material layer provided on at least one functional surface of the current collector. The negative electrode active material layer comprises graphite and a binder. The negative electrode plate satisfies the following expression: a0.98/b×0.02c+1.2≤X≤a0.98/b×0.02c+1.4, X being the content of the binder, in units of g/100 ggraphite, a being the OI value of the graphite, b being the OI value of the negative electrode plate, and c being the D50 of the graphite, in units of μm. The negative electrode plate provided by the present application can have both high peel strength and low resistivity, by means of defining a median particle size of graphite, an OI value, and a relationship between the OI value of the negative electrode plate and an amount of binder.

POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, AND SODIUM ION BATTERY

Resumen de: WO2026008034A1

A positive electrode material and a preparation method therefor, a positive electrode sheet, and a sodium ion battery. The positive electrode material comprises a layered oxide serving as a core and an MOF material coating layer coating the surface of the layered oxide. The MOF material comprises a first metal and an organic ligand, and the organic ligand is selected from one or more of compounds having a structure represented by formula (1) below.

HIGH-NICKEL POSITIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2026008001A1

The present application relates to a high-nickel positive electrode material, a preparation method therefor and a use thereof. Phases of the high-nickel positive electrode material include a layered phase and a rock-salt phase, the space group of the layered phase is R-3m, the space group of the rock-salt phase is Fm-3m, the mass fraction of the rock-salt phase in the high-nickel positive electrode material is 3-23%, and a lithium vacancy defect is present in the rock-salt phase. The high-nickel positive electrode material of the present application has high specific capacity, excellent cycling performance, and low cost.

SILICON-CARBON-COATED LITHIUM IRON PHOSPHATE POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, LITHIUM-ION BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2026007934A1

The present disclosure relates to the technical field of lithium-ion battery positive electrode materials, and specifically to a silicon-carbon-coated lithium iron phosphate positive electrode material and a preparation method therefor, a positive electrode sheet, a lithium-ion battery, and an electric device. The silicon-carbon-coated lithium iron phosphate positive electrode material comprises lithium iron phosphate and a coating layer coated on the surface of the lithium iron phosphate; the coating layer comprises a lithium-intercalated silicon-carbon material and an amorphous carbon material; the percentage W1 of the mass of a silicon-carbon material in the lithium-intercalated silicon-carbon material to the mass of the lithium iron phosphate is 0.5%-3.5%; the percentage W2 of the mass of a silicon element in the lithium-intercalated silicon-carbon material to the mass of the silicon-carbon material in the lithium-intercalated silicon-carbon material is 10%-80%; and W1 and W2 satisfy: 5≤350W1+3150W1×W2≤65. The silicon-carbon-coated lithium iron phosphate positive electrode material provided by the present disclosure has high capacity, high energy density, high initial Coulombic efficiency, and excellent cycle performance.

BUS VOLTAGE MODULATION METHOD FOR DYNAMICALLY RECONFIGURABLE SERIES-CONNECTED BATTERY SYSTEM

Resumen de: WO2026007519A1

The present invention belongs to the technical field of energy storage in new energy power systems. Disclosed is a bus voltage modulation method for a dynamically reconfigurable series-connected battery system. The method comprises: numbering all battery modules and denoting same as i, collecting voltage values of the battery modules and performing sorting in descending order of the voltage values; selecting a battery module corresponding to the highest voltage value; determining whether the number i of the selected battery module is less than the total number N of battery modules connected in series, and if the determination result is positive, accumulating a voltage value corresponding to the selected battery module, and determining whether an accumulated voltage value of battery modules is within a preset range; and on the basis of the accumulated voltage value of the battery modules, performing an i++ operation, and repeating the above content until an output bus voltage meets a preset range requirement. In the dynamically reconfigurable battery system based on software-defined technology in the present invention, real-time reconfiguration can be performed on the basis of the voltage of each battery module to output an ideal power bus voltage, thereby meeting the requirement for an output power bus voltage.

β-H-freie Tetraalkylammonium-Salze von substituierten trifluorborathaltigen Anionen und deren Verwendung in einer Elektrolytzusammensetzung in einem Energiespeicher

Resumen de: DE102024119236A1

Die vorliegende Offenbarung betrifft β-H-freie Tetraalkylammonium-Salze von mit elektronenziehenden Gruppen substituierten Trifluorboraten sowie deren Verwendung in einer Elektrolytzusammensetzung. Sie betrifft insbesondere deren Verwendung in einer Elektrolytzusammensetzung in elektrochemischen Super- und Ultrakondensatoren, beispielsweise in Doppelschichtkondensatoren in Elektromotoren.

POSITIVE ELECTRODE MATERIAL PRECURSOR, PREPARATION METHOD THEREFOR, AND USE THEREOF

Resumen de: WO2026007256A1

A positive electrode material precursor, a preparation method therefor, and a use thereof. The positive electrode material precursor has a core-shell structure, comprising an inner core, an outer shell, and an intermediate layer located between the inner core and the outer shell. The inner core is formed by stacking a first sheet material, the first sheet material being formed by stacking multiple layers of primary sheet material; the intermediate layer is formed by stacking the primary sheet material; the outer shell is formed by stacking a second sheet material, the second sheet material being formed by stacking multiple layers of the primary sheet material. The number of primary sheet material layers in the second sheet material is less than the number of primary sheet material layers in the first sheet material. The positive electrode material precursor has a specific surface area of ​​10m2/g-20m2/g. The precursor has a unique structure with a compact inner core and outer shell and a loose intermediate layer, resulting in a large specific surface area. When used to prepare positive electrode materials, said precursor has high tap density and sintering yield, and can achieve excellent cycle stability and rate performance in batteries.

VAPOR CHAMBER, BATTERY CELL, AND BATTERY MODULE

Resumen de: WO2026007250A1

Provided in the present application are a vapor chamber, a battery cell, and a battery module, relating to the technical field of batteries. The vapor chamber comprises a first substrate and a second substrate, the second substrate and the first substrate are connected to one another so as to define a closed heat exchange cavity, and a heat exchange medium is provided in the heat exchange cavity; a plurality of first protrusions are provided on the side of the second substrate facing the first substrate and protrude towards the first substrate, the first protrusions are located within the heat exchange cavity, and the first protrusions are spaced apart from the first substrate.

BATTERY DRYING DEVICE AND BATTERY PRODUCTION SYSTEM

Resumen de: WO2026007224A1

A battery drying device (100) and a battery production system. The battery drying device (100) comprises a frame (10), a vacuum assembly (80), and an evaporation member (20). The frame (10) is provided with an accommodating cavity (11), and the accommodating cavity (11) is used for accommodating battery cells (300). The vacuum assembly (80) comprises an air suction member (81) and an air suction pipe (82). The air suction member (81) is communicated with openings of the battery cells (300) by means of the air suction pipe (82), and the air suction member (81) is used for suctioning internal air of the battery cells (300) so as to form a vacuum inside the battery cells (300). The interior of the vacuum assembly (80) is hermetically isolated from the accommodating cavity (11). The evaporation member (20) is disposed in the accommodating cavity (11), the evaporation member (20) is used for generating steam, and the steam can come into contact with casings of the battery cells (300) so as to dry the interiors of the battery cells (300). The battery drying device (100) and the battery production system can accelerate the heating speed of the battery cells (300) during drying, thereby improving the drying efficiency of the battery cells (300).

BATTERY CELL HOUSING, BATTERY CELL, AND BATTERY

Resumen de: WO2026007249A1

Provided in the present application are a battery cell housing, a battery cell, and a battery, relating to the technical field of batteries. The battery cell housing comprises a housing body, the housing body defines an electrode assembly accommodating cavity, a heat exchange space is formed on at least part of the housing body, and the heat exchange space is filled with a heat exchange medium.

BATTERY CASE, BATTERY PACK AND VEHICLE

Resumen de: WO2026007191A1

A battery case (100), a battery pack and a vehicle. The battery case (100) comprises a case body (110A) provided with a mounting cavity (140) and a supporting assembly (130). The mounting cavity (140) is used for mounting a plurality of battery cells (120); the case body (110A) comprises a side plate (110) defining at least part of the mounting cavity (140); and the supporting assembly (130) comprises a supporting plate (131) and an adjustment set (150) configured to adjust a gap between the supporting plate (131) and the side plate (110). The supporting plate (131) is used for abutting against one side of the plurality of battery cells (120), so that the plurality of battery cells (120) abut against the case body (110A).

BATTERY PACK AND VEHICLE

Resumen de: WO2026007233A1

A battery pack (1000) and a vehicle. The battery pack (1000) comprises a box body assembly (100), an upper cover (300), a battery cell assembly (200), a control assembly (500), a first plate member (10), and a second plate member (20). The box body assembly (100) comprises a frame (110) and a first cross beam (120), and an inner cavity of the frame (110) is divided into a control compartment (101) and a main mounting area (102) by means of the first cross beam (120). An explosion-proof valve (30) is provided on the frame (110). The first plate member (10) sealingly covers an upper opening of the main mounting area (102), the second plate member (20) sealingly covers a lower opening of the inner cavity of the frame (110), the upper cover (300) sealingly covers an upper opening of the inner cavity of the frame (110), and the first plate member (10) is provided with a wiring channel (11) and a wiring sealing member (12). Independent closed spaces are isolated by means of the box body assembly (100), the first plate member (10), and the second plate member (20) for mounting the battery cell assembly (200), and the first plate member (10) separates the control assembly (500) and a conductive member (230) used for connecting the control assembly (500) to the battery cell assembly (200) from the battery cell assembly (200), thereby preventing problems such as adhesion of electronic components in the interior of the control assembly (500) and short circuiting of wiring harnesses caus

BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: WO2026007229A1

Provided in the present application are a battery cell, a battery and an electric device. The battery cell comprises a casing, an insulating film and connectors. An outer surface of the casing comprises two first surfaces, a second surface and third surfaces, wherein the two first surfaces are disposed opposite each other; the second surface is connected to the two first surfaces; the third surfaces are connected to the two first surfaces; and the first surfaces, the second surface and the third surfaces intersect each other. The insulating film is integrally provided and comprises a main body region and ending regions, wherein the main body region covers the two first surfaces and the second surface; the ending regions cover the third surfaces and are connected to the main body region; each ending region comprises a plurality of folding tabs; the plurality of folding tabs at least partially overlap; the plurality of folding tabs comprise first folding tabs and a second folding tab; a portion of each first folding tab is self-folded to form a folded portion having a multi-layer insulating film; and the folded portion is stacked on the side of the second folding tab facing away from one third surface. At least part of one connector is connected between the folded portion and the second folding tab.

FIXTURE, WARM ISOSTATIC PRESSING DEVICE, CENTRIFUGAL DEVICE, AND BATTERY PRODUCTION LINE

Resumen de: WO2026007213A1

A fixture (200), a warm isostatic pressing device, a centrifugal device, and a battery production line. The fixture (200) comprises a material frame (10) and a clamping assembly (20); the clamping assembly (20) is fixed in the material frame (10); the clamping assembly (20) comprises at least two clamping plates (21), all the clamping plates (21) are arranged at intervals in a first direction, and an accommodating space (29) for placing a processed member (90) is formed between every two adjacent clamping plates (21); each clamping plate (21) can float in the first direction, so as to adjust the width of the accommodating space (29) in which the clamping plate (21) is located; the first direction is a normal direction of plate surfaces of the clamping plates (21); the material frame (10) comprises support members (11) and at least two cover plates (12); and all the cover plates (12) are oppositely arranged at intervals in a vertical direction, the support members (11) are supported between two adjacent cover plates (12), the area between the two adjacent cover plates (12) forms a placement space (13), and the clamping assembly (20) is erected in the placement space (13).

COMMISSIONING MECHANISM AND BATTERY PRODUCTION SYSTEM

Resumen de: WO2026007212A1

The present application relates to a commissioning mechanism and a battery product system. During commissioning, an elastic member is used to clamp a tab between a clamping member and a base body, such that the tab and the base body serve as a whole, so that the tab can perform a corresponding commissioning operation. Since the tab is elastically clamped between the clamping member and the base body, multiple commissioning operations can be completed by swapping different tabs, thereby achieving the purpose of effective commissioning. In addition, when swapping different tabs, the base body can always be recycled, thereby effectively reducing the waste of material and reducing the commissioning cost.

BATTERY CASE AND BATTERY PACK

Resumen de: WO2026007175A1

A battery case and a battery pack. The battery case comprises: a bottom plate; side plates surrounding the periphery of the bottom plate (10) and jointly forming an accommodating cavity with the bottom plate, the accommodating cavity being used for accommodating battery modules; and a plurality of protruding portions (40) arranged in the accommodating cavity and located on the bottom plate (10), wherein the protruding portions (40) protrude from the bottom plate (10) in a first direction, the plurality of protruding portions (40) are arranged in an array in a second direction and a third direction, the tops of the protruding portions (40) are in contact with the bottoms of the battery modules so as to support the battery modules, and the first direction, the second direction and the third direction are perpendicular to each other in pairs.

ELECTROCHEMICAL CELL

Resumen de: AU2024305070A1

An electrochemical cell comprising a non electrically-conductive structural frame for supporting components of the electrochemical cell and a tensioning element, wherein the structural frame comprises engagement means adapted to engage the tensioning element, wherein the engagement means comprises at least two bosses on the structural frame, each boss adapted to engage with a corresponding aperture on the tensioning element.

CYLINDRICAL BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Resumen de: WO2026007024A1

The present application provides a cylindrical battery cell, a battery, and an electrical device. The cylindrical battery cell comprises a casing, an electrode assembly, and an elastic insulating member, the electrode assembly being accommodated in the casing. The electrode assembly comprises a first electrode sheet, a second electrode sheet, and a separator. The first electrode sheet and the second electrode sheet have opposite polarities, and the first electrode sheet, the separator, and the second electrode sheet are wound. The casing comprises a side wall disposed around the electrode assembly. The elastic insulating member is disposed between the electrode assembly and the side wall, and the elastic insulating member separately abuts against an outer surface of the electrode assembly and an inner surface of the side wall. The elastic insulating member can fill a gap between the electrode assembly and the side wall, inhibit expansion of the electrode assembly to a certain extent, reduce the risk of excessive expansion of the electrode assembly, reduce the amount of sliding of the electrode sheets, reduce shear force generated during sliding, reduce the risk of the electrode sheets cracking, reduce the risk of burrs generated at a cracking position piercing the separator, and improve the reliability of the cylindrical battery cell.

SILICON-CARBON COMPOSITE MATERIAL AND SECONDARY BATTERY

Resumen de: WO2026006982A1

A silicon-carbon composite material, a negative electrode sheet, and a secondary battery. The silicon-carbon composite material comprises elemental silicon and silicon nitride. The silicon-carbon composite material satisfies: 2≤α≤3, wherein the value of α represents the peak intensity ratio of ISi2p to IN1s, and ISi2p and IN1s are respectively the intensities of the characteristic peaks of the silicon-carbon composite material at 103±0.5 eV and 399±0.5 eV in an X-ray photoelectron spectrum. The silicon-carbon composite material has a relatively high specific capacity, and can also achieve good rate capability, cycling performance and expansion performance.

BATTERY AND ELECTRIC APPARATUS

Resumen de: WO2026007208A1

A battery (100) and an electric apparatus. The battery (100) comprises a plurality of battery cells (10) and a casing (20); the plurality of battery cells (10) are arranged within the casing (20), the casing (20) comprises a first casing wall (23), the first casing wall (23) comprises a support region (231) and an edge region (232) disposed around the support region (231), the support region (231) being configured for supporting the plurality of battery cells (10), the edge region (232) being provided with a protective structure (30), the protective structure (30) comprising a recess (31), the recess being recessed relative to a surface of the support region (231) facing the plurality of battery cells (10); and/or, the protective structure comprises a protrusion (32), the protrusion protruding from a surface of the support region (231) facing the plurality of battery cells (10), and at least a surface of the protrusion (32) facing the plurality of battery cells (10) being insulatingly arranged. The protective structure (30) is capable of extending or interrupting the creepage distance from the battery cells (10) to an edge of the casing (20), thereby solving the problem of insulation failure between the battery cells (10) and the casing (20) following thermal runaway.

SUPPORT TUBE, BATTERY CASING, BATTERY, BATTERY PACK, AND BATTERY MOUNTING METHOD

Resumen de: WO2026007210A1

The present application provides a support tube, a battery casing, a battery, a battery pack, and a battery mounting method. The support tube is configured to be embedded in a jelly roll and to support the jelly roll. Thus, supporting the jelly roll by means of the support tube is beneficial for mitigating the problem of the jelly roll collapsing toward a middle position.

THERMALLY CONDUCTIVE COMPOSITION, THERMALLY CONDUCTIVE GEL, AND USE THEREOF

Resumen de: WO2026006978A1

Provided are a novel thermally conductive composition, a thermally conductive gel cured therefrom, a process for preparing the thermally conductive gel, an article comprising the thermally conductive gel, and uses thereof. The thermally conductive gel cured from the thermally conductive composition exhibits excellent gap stability and dispensing performance, while maintaining good flowability and thermal conductivity.

GRAPHITE MATERIAL APPLIED TO FIELD OF LITHIUM BATTERIES, PREPARATION METHOD THEREFOR, AND USE THEREOF

Resumen de: WO2026007020A1

Provided are a graphite material applied to the field of lithium batteries, and a preparation method therefor. The single-electron defect concentration of the graphite material is less than 10-3 spins/C atom. Additionally, further provided is a lithium ion battery using the graphite material as a negative electrode, wherein the lithium ion battery comprises a positive electrode, a negative electrode, an electrolyte solution, and a separator. The electrolyte solution comprises a lithium salt solution, wherein the concentration of the lithium salt solution is 0.8-1.2 mol/L, solvents of the lithium salt solution comprise a first solvent and a second solvent, the volume fraction of the first solvent is 30-100%, the volume fraction of the second solvent is 0-70%, the first solvent is propylene carbonate or an ether solvent, and the second solvent comprises ethylene carbonate, diethyl carbonate, dimethyl carbonate, and ethyl methyl carbonate. The graphite material as a negative electrode of a lithium ion battery can be effectively compatible with propylene carbonate and ether solvents, thereby mitigating the reduction of the service life of the lithium ion battery caused by an intercalation effect of an electrolyte solution, and improving the low-temperature working performance of the lithium ion battery.

BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: WO2026007129A1

A battery cell (100), a battery (1000) and an electric device. The battery cell (100) comprises: an electrode assembly (20), which comprises at least one positive electrode sheet (21) and at least one negative electrode sheet (22), wherein the at least one positive electrode sheet (21) and the at least one negative electrode sheet (22) are stacked to form a straight region (23), and at least a portion of the positive electrode sheet (21) and at least a portion of the negative electrode sheet (22) are stacked in a first direction in the straight region (23); a casing (10), which is used for accommodating the electrode assembly (20), the casing (10) comprising a first wall portion (11); and a pressure relief component (40), which is arranged on the first wall portion (11), wherein the pressure relief component (40) is provided with a first scored groove (41), and the pressure relief component (40) is configured to crack along at least a portion of the first scored groove (41) when the battery cell (100) undergoes pressure relief; the first scored groove (41) comprises a first groove section (411) extending along a linear path, the lengthwise direction of the first groove section (411) being perpendicular to the first direction, and the dimension of the bottom surface of the first groove section (411) in the first direction being W, where 0.3 mm≤W≤0.8 mm.

CYLINDRICAL SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: WO2026007118A1

The present application provides a cylindrical secondary battery and an electric device. The cylindrical secondary battery comprises a casing and a wound core; the wound core is accommodated in the casing; the wound core comprises a first electrode sheet and a separator; the first electrode sheet sequentially comprises a first main body portion and a first uncoated foil region; the first main body portion comprises a first current collector and a first active material layer; the first uncoated foil region comprises a first tab portion, and at least part of the first tab portion forms a first flattened portion; the surface of the first active material layer is provided with a first groove, the first groove extends in the axial direction of the wound core, and the first groove passes through one end surface of the first active material layer in the axial direction of the wound core; the cylindrical secondary battery satisfies: 0.53×104≤P1/S1≤6×104, wherein the density of the first flattened portion is P1g/cm3, wherein 0.6≤P1≤3.5, and the cross-sectional area of the first groove in the radial direction of the wound core is S1mm2. By means of the described configurations, electrolyte infiltration is facilitated, and the cycle performance of the cylindrical secondary battery is improved.

CYLINDRICAL SECONDARY BATTERY, BATTERY PACK, AND ELECTRIC DEVICE

Resumen de: WO2026007076A1

A cylindrical secondary battery, a battery pack (200), and an electric device (300). The cylindrical secondary battery comprises a casing (10), an electrode assembly (20), a first electrode terminal (30), and a current interrupt device (40). The current interrupt device (40) is electrically connected to the electrode assembly (20) and the first electrode terminal (30), and the first electrode terminal (30) is a negative electrode of the cylindrical secondary battery.

Primary alkaline battery with integrated in-cell resistances

Resumen de: AU2025271563A1

22267228_1 The invention is directed toward a primary AA alkaline battery. The primary AA alkaline battery includes an anode; a cathode; an electrolyte; and a separator between the anode and the cathode. The anode comprises an electrochemically active anode material. The cathode comprises an electrochemically active cathode material. The electrolyte comprises a hydroxide. The separator has a porosity greater than about 70%. The primary AA alkaline battery has an integrated in-cell ionic resistance (Ri) at 22 °C of less than about 39 mΩ. The electrochemically active cathode material comprises electrolytic manganese dioxide, the electrolytic manganese dioxide having a specific cathode loading from about 2.9 g/cm3 to about 3.45 g/cm3. ec e c

BATTERY THERMAL MANAGEMENT MODULE FOR WORK MACHINE

Resumen de: AU2025203537A1

-17- Abstract BATTERY THERMAL MANAGEMENT MODULE FOR WORK MACHINE A battery thermal management module (200, 202, 204) for a work machine (100) includes a housing (206). The housing (206) includes a first side (106) wall (208), a second side (108) wall (210) disposed opposite the first side (106) wall (208) along a first axis (X1), a top wall (212) extending along the first axis (X1) and connecting the first side (106) wall (208) with the second side (108) wall (210), and a bottom wall (214) disposed opposite the top wall (212) and connecting the first side (106) wall (208) with the second side (108) wall (210). The battery thermal management module (200, 202, 204) is adapted to be removably coupled with the work machine (100), proximal to a front end (102) of the work machine (100), via at least one of the first side (106) wall (208), the second side (108) wall (210), the top wall (212), and the bottom wall (214) of the housing (206). The battery thermal management module (200, 202, 204) also includes a cooling assembly (264) disposed within the housing (206) and adapted to supply a coolant to a battery system (116) associated with the work machine (100). -17- Abstract BATTERY THERMAL MANAGEMENT MODULE FOR WORK MACHINE A battery thermal management module (200, 202, 204) for a work machine (100) includes a housing (206). The housing (206) includes a first side (106) wall (208), a second side (108) wall (210) disposed opposite the first side (106) wall (208) along a first axis (

Battery module

Resumen de: AU2025204319A1

Battery Module There is described a battery module comprising: an array of battery cells electrically coupled to provide electrical power to a load; a cell space housing the array of battery cells, the cell space arranged to receive flow of a coolant fluid past the battery cells; the battery cells mounted on a base of the cell space, the base comprising one or more flow paths for the coolant fluid; one or more inlets to receive the coolant flow into either the cell space or 10 the base; one or more outlets to deliver the coolant flow out of the other of the cell space or the base; and one or more fluid flow couplings between the cell space and the base to direct flow of coolant fluid between the base and the cell space. The inlets, outlets and fluid couplings may be arranged to provide counterflow cooling such that flow of coolant in the base is in the opposite direction to the flow of coolant in the cell space. 15 Battery Module There is described a battery module comprising: an array of battery cells electrically coupled to provide electrical power to a load; a cell space housing the array of battery cells, the cell space arranged to receive flow of a coolant fluid past the battery cells; the battery cells mounted on a base of the cell space, the base comprising one or more flow paths for 10 the coolant fluid; one or more inlets to receive the coolant flow into either the cell space or the base; one or more outlets to deliver the coolant flow out of the other of the cell sp

BATTERY RACK AND ENERGY STORAGE SYSTEM INCLUDING SAME

Resumen de: AU2024342326A1

A battery rack, according to one embodiment of the present invention, accommodates batteries and comprises: a first sub-rack including a first column positioned to stand vertically upright and including a plurality of battery accommodation spaces formed along the first column; and a second sub-rack including a second column positioned to stand vertically upright and including a plurality of battery storage spaces formed along the second column, wherein the first sub-rack and the second sub-rack are arranged along the longitudinal direction of the battery rack, and the first sub-rack and the second sub-rack have a structure in which the upper ends thereof are open.

LITHIUM SECONDARY BATTERY

Resumen de: WO2026007689A1

The present invention provides a lithium secondary battery, characterized in that a lithium deposition guide layer is provided on the surface of a negative electrode of the lithium secondary battery, thereby transforming the mode of relatively high-speed and excessively concentrated lithium ion deposition into the mode of relatively low-speed and high-uniformity lithium atom deposition; and a high-uniformity lithium metal layer is formed between the lithium deposition guide layer and the negative electrode, thereby effectively avoiding the formation of lithium dendrites.

NEGATIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, NEGATIVE ELECTRODE SHEET, BATTERY AND ELECTRIC DEVICE

Resumen de: WO2026007932A1

The present disclosure relates to the technical field of negative electrode materials of a secondary battery, and particularly relates to a negative electrode material and a preparation method therefor, a negative electrode sheet, a battery and an electric device. The negative electrode material comprises composite particles, and the composite particles comprise an inner core and an amorphous carbon coating layer coating the outer surface of the inner core, wherein the inner core comprises a graphite skeleton and amorphous carbon filled in the graphite skeleton; and the average thickness of the amorphous carbon coating layer is 15-45 nm. The negative electrode material is subjected to Raman spectrum surface scanning, wherein the number of Raman spectrum surface scanning points is 400. The average value of ID/IG of the Raman spectrum of the negative electrode material is 0.40-0.50, wherein the number of the scanning points having an ID/IG single point value greater than 0.4 is greater than 70%. The negative electrode material has a low expansion rate and good rate capability.

ENERGY STORAGE POWER SUPPLY

Resumen de: WO2026007516A1

An energy storage power supply (100). The energy storage power supply (100) comprises a casing (10), a battery module (20), and an inverter (30). The casing (10) comprises a first case (11) and a second case (12). The first case (11) is detachably connected to the second case (12). The first case (11) comprises a first inner wall (1111) opposite to the second case (12) and is provided with a first positioning portion (1112) on the first inner wall (1111). The second case (12) comprises a second inner wall (1212) opposite to the first case (11) and is provided with a second positioning portion (1213) on the second inner wall (1212). Two ends of the battery module (20) are respectively inserted into the first positioning portion (1112) and the second positioning portion (1213). The inverter (30) is provided in the interior of the casing (10) and is electrically connected to the battery module (20).

METALLOPHILIC MATRICES FOR RECHARGEABLE BATTERIES

Resumen de: WO2026011176A1

Disclosed herein is an anode comprising a conductive substrate material comprising an effective amount of a metallophilic seed material catalyzing nucleation of one or more metals comprising Na, Li, K, Mg, Zn, or any combination thereof, wherein the metallophilic seed material is a salt comprising cations of Bi3+, Sb5+, Sb3+, Pb2+, In3+, Te4+, Al3+, Ag+, Fe2+, Fe3+, Mn2+, Co2+, Ni2+, Mo2+/3+/5+/6+, W2+/3+/5+/6+, Nb4+/5+, Y3+, La3+, Sr2+ Mg2+ or any combination thereof; and a metallic layer disposed on the conductive substrate, wherein the metallic layer comprises an active anode material comprising Na, Li, K, Mg, Zn, or any combination thereof. Also disclosed herein are electrochemical cells comprising the same.

METHOD FOR PREPARING BATTERY ASSEMBLY AND BATTERY ASSEMBLY PREPARED THEREBY

Resumen de: WO2026010812A1

Disclosed is a method of preparing an assembly of a battery with a high yield. In some embodiments, the method comprises laminating one pre-pressed unit of a first type over one or more pre-pressed units of a second type, wherein the first type and the second type have a different configuration, the bottom of the pre-pressed unit of the first type is functionally complementary to the top of the pre-pressed unit of the second type without structural redundancy at the interface between adjacent units. In some embodiments, the bottom of a first pre-pressed unit of the second type is functionally complementary to the top of a second pre-pressed unit of the second type with no structural redundancy at interface therebetween.

BIODEGRADABLE BATTERY SYSTEM WITH MODULAR ENERGY PODS

Resumen de: WO2026010707A1

The present disclosure provides a modular biodegradable battery system addressing limitations of conventional batteries. The system comprises removable energy pods, each containing a first electrode, a second electrode, separate compartments for organic material and vinegar, and an activation mechanism to mix these components into a biodegradable slurry. A reusable modular base removably couples with the energy pods. This design enables customizable power configurations while utilizing environmentally friendly materials. The activation mechanism allows on-demand power generation, overcoming shelf-life issues of pre-mixed biodegradable batteries. The modular base facilitates easy replacement of depleted pods and supports series or parallel connections for voltage or current amplification. This system offers a sustainable alternative to traditional batteries, reducing electronic waste and environmental impact.

ANODE, AND ELECTROCHEMICAL DEVICE COMPRISING SAME

Resumen de: WO2026010456A1

Presented are an anode for an electrochemical device and an electrochemical device comprising same, the anode comprising: a current collector; and an anode active material layer located on the current collector, wherein: the anode active material layer includes powder including a silicon-based active material, a linear conductive material, and a binder for powder; the degree of dispersion of the powder in the anode active material layer is 1 x 10-2 to 10 x 10-2; the standard deviation of the degree of dispersion of the powder is 1 x 10-3 to 3 x 10-3; and the volume expansion rate of the anode active material layer is 3 to 30%.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND METHOD FOR MANUFACTURING SAME

Resumen de: WO2026010475A1

The present invention relates to a positive electrode active material having high energy density and excellent thermal stability, a method for manufacturing same, and a secondary battery including same and having excellent discharge capacity and retention rate thereof. Specifically, the present invention relates to: a positive electrode active material having excellent energy density, wherein the occurrence of cracks in particles during charge-discharge cycles is suppressed such that the capacity retention rate of the secondary battery is excellent and the thermal stability of the positive electrode active material is excellent, thereby enabling manufacture at high temperature; and a method for manufacturing the positive electrode active material having the above effects.

BATTERY MODULE AND ENERGY STORAGE SYSTEM

Resumen de: WO2026007809A1

A battery module and an electric device, relating to the technical field of energy storage. The battery module comprises: a battery pack and a first end plate, wherein the battery pack comprises a plurality of battery cells arranged in a first direction; when the battery module comprises a plurality of battery packs, the plurality of battery packs are arranged in a second direction, the second direction intersecting the first direction; and the first end plate is located at one end of the battery pack in the first direction, the first end plate being provided with fastening zones of the same number as the battery packs; when the battery module comprises a plurality of battery packs, a plurality of fastening zones are arranged corresponding to the plurality of battery packs on a one-to-one basis. A first reinforcing rib structure is provided on each fastening zone, the first reinforcing rib structure being in the shape of a mesh, and the distribution density of the first reinforcing rib structure decreasing from the central area towards the edge areas of said fastening zone. In the battery module provided in the present disclosure, the structural strength of the end plate is improved.

END COVER ASSEMBLY, ENERGY STORAGE APPARATUS, AND ELECTRICITY-CONSUMPTION DEVICE

Resumen de: WO2026007795A1

An end cover assembly, an energy storage apparatus, and an electricity-consumption device are provided in the present disclosure. The end cover assembly includes an end cover, a lower plastic member, a terminal post, and a current-collector disk. The lower plastic member includes a lower-plastic-member body and a limiting protrusion portion. The limiting protrusion portion is implemented as two limiting protrusion portions that both protrude from the second surface. Each of the two limiting protrusion portions has a first sidewall surface, a second sidewall surface, and an end surface. The first sidewall surface is inclined. The second sidewall surface is inclined. The end surface is connected between the first sidewall surface and the second sidewall surface. Each of the two limiting protrusion portions defines a flow guiding groove. The current-collector disk includes a connecting portion and a disk body. In the thickness of the end cover assembly, the disk body is positioned at one side of the two limiting protrusion portions positioned facing away from the lower-plastic-member body. An orthographic projection of the disk body on the second surface is positioned within the lower-plastic-member body. An orthographic projection of the end surface of each of the two limiting protrusion portions on the second surface is positioned within the orthographic projection of the disk body on the second surface. In the present disclosure, the utilization rate of the electrolyte can be

BIPOLAR CURRENT COLLECTOR, ELECTROCHEMICAL DEVICE, AND ELECTRONIC DEVICE

Resumen de: WO2026007803A1

The present application provides a bipolar current collector, an electrochemical device, and an electronic device. The bipolar current collector comprises a copper layer, an aluminum layer, and a polymer layer. The polymer layer is located between the copper layer and the aluminum layer. The thickness of the copper layer is T1 μm, the thickness of the aluminum layer is T2 μm, the porosity of the copper layer is A1, and the porosity of the aluminum layer is A2, wherein T2(1-A2)>T1(1-A1). In the present application, T1, T2, A1 and A2 of the bipolar current collector are regulated to meet the described relationship, and structural optimization is performed for different features of the copper layer and the aluminum layer, thereby improving the energy density, power density and cycle performance of the electrochemical device.

BATTERY, AND BATTERY PACK AND VEHICLE COMPRISING SAME

Resumen de: WO2026010439A1

The present invention provides a battery pack characterized by comprising: a battery housing having a side wall member, a bottom member connected to one end of the side wall member in the axial direction, and an open portion provided at the other end of the side wall member in the axial direction; an electrode assembly in which a first electrode, a second electrode, and a separator interposed therebetween are wound around a winding axis, and which is accommodated in the battery housing such that a tab of the second electrode faces the open portion; and a lid seated on the outer surface of the other end of the side wall member in the axial direction so as to cover the open portion of the battery housing, wherein a coupling portion is formed such that the edge of the inner surface of the lid and the edge of the other end of the side wall member in the axial direction are bonded to each other, and the coupling portion is recessed inward in the radial direction.

BATTERY, BATTERY PACK AND VEHICLE INCLUDING SAME

Resumen de: WO2026010362A1

A battery according to the present invention comprises: a cell housing; an electrode assembly which is disposed in the cell housing, and which includes a first electrode having a first polarity, a second electrode having a polarity opposite to the first polarity, and a separator interposed between the first electrode and the second electrode; and a current-collecting plate disposed in the cell housing and electrically connected to the cell housing and the second electrode, wherein the current-collecting plate includes: an electrode coupling part electrically connected to the second electrode; a peripheral part electrically connected to the cell housing; and at least one bridge extending between the electrode coupling part and the peripheral part and connecting same, the at least one bridge including an adjustment part deformed in response to an applied force.

BATTERY DEVICE

Resumen de: WO2026010240A1

The technical concept of the present invention is to provide a battery device comprising a cooling frame and a cell assembly disposed on the cooling frame, the cell assembly comprising: a plurality of battery cells; a heat transfer structure comprising a first heat transfer plate connected to electrode leads of the plurality of battery cells, and a second heat transfer plate connected to the cooling frame; and an outer cover connected to the first heat transfer plate, wherein, at the interface between the first heat transfer plate and the outer cover, the outer cover is in continuous contact with the outer surface of the first heat transfer plate.

BATTERY CELL, BATTERY CELL ASSEMBLY, AND BATTERY PACK

Resumen de: WO2026010221A1

According to exemplary embodiments, a battery cell is provided. The battery cell comprises: an electrode comprising a cathode, an anode, and a separator; a cell case comprising an accommodation part in which the electrode is accommodated and a terrace surrounding the accommodation part; and a bit generator coupled to the cell case, wherein the bit generator is configured to apply an acoustic beat to the inside of the cell case.

BATTERY BOX

Resumen de: WO2026010217A1

The present invention relates to a battery box. According to one aspect of the present invention, the battery box may comprise: a battery cell including an electrode assembly extending in one direction, an exterior film for accommodating the electrode assembly, and a cap coupled to the exterior film and shielding one side of the electrode assembly in a longitudinal direction; and a frame supporting the battery cell and having an opening, wherein the exterior film includes: an accommodation unit surrounding the electrode assembly; and a venting unit provided on one side of the accommodation unit, and the venting unit is disposed to face the opening.

BATTERY PACK AND ELECTRIC DEVICE

Resumen de: WO2026007811A1

A battery pack comprising: a top cover (11), a frame (12) and a bottom plate (13), which jointly define an accommodating space (120), wherein the top cover (11) and the bottom plate (13) are respectively connected to two sides of the frame (12) in a first direction (Z); supports (30), which each comprise a main body portion (31) and a support portion (32), wherein the main body portion (31) is connected to the top cover (11) and the bottom plate (13) respectively, the support portion (32) is connected to the side of the main body portion (31) facing the bottom plate (13) and is also connected to the bottom plate (13), and the support portion (32) has a first plate surface (321) facing away from the bottom plate (13); a buffer layer (40), which is provided in the accommodating space (120) and is connected to the first plate surface (321); and battery cells (20), which each comprise a shell (21), wherein the shell (21) has a first side portion (211) facing the bottom plate (13), and the first side portion (211) is connected to the side of the buffer layer (40) facing the top cover (11). In a second direction (X), the size of the main body portion (31) is smaller than that of the support portion (32).

CYLINDRICAL SECONDARY BATTERY, BATTERY PACK, AND ELECTRIC DEVICE

Resumen de: WO2026007792A1

A cylindrical secondary battery, a battery pack, and an electric device. The cylindrical secondary battery comprises a housing, an electrode assembly, a first electrode terminal, and a current cut-off device; the current cut-off device comprises a connection plate, an explosion-proof piece, and a first insulating member; the connection plate comprises a first portion and a second portion; the explosion-proof piece comprises a third portion and a fourth portion; and the current cut-off device is electrically connected to the first electrode terminal and the electrode assembly. In the axial direction of the cylindrical secondary battery, at least part of the first insulating member is arranged between the first portion and the fourth portion, and the melting point of the first insulating member is t1, wherein t1≥300°C. The first insulating member has a high melting point, and is not prone to melting in a high-temperature environment, which is beneficial for maintaining good insulation between the first portion and the fourth portion, thereby reducing the risk of failure of current cut-off devices, and improving the use safety performance of cylindrical secondary batteries, battery packs, and electric devices.

BATTERY PACK AND ELECTRIC DEVICE

Resumen de: WO2026007942A1

The present application discloses a battery pack and an electric device. The battery pack comprises a battery module and a pressure relief assembly, the pressure relief assembly is connected to the battery module, the pressure relief assembly comprises a passage, first through holes, and pressure relief members, the first through holes are configured to guide gas generated by the battery module to the passage, at least part of the passage is bent, and the pressure relief members are configured to guide gas in the passage to the outside of the battery pack. The battery pack and the electric device provided in the present application improve the battery safety.

BATTERY MODULE, BATTERY PACK AND VEHICLE

Resumen de: WO2026007821A1

A battery module (1000), a battery pack and a vehicle. The battery module comprises a housing (100), a battery cell (200), a collection circuit board (400) and a terminal (500), wherein the housing (100) is provided with an accommodating cavity (101), the battery cell (200) and the collection circuit board (400) are both disposed in the accommodating cavity (101), and the collection circuit board (400) is electrically connected to a terminal post (201) of the battery cell (200); the terminal (500) is a female connector or a male connector, and the terminal (500) is disposed on the collection circuit board (400) and is electrically connected to the collection circuit board (400); and the housing (100) is provided with a through hole (22), and at least a portion of the terminal (500) extends out of the accommodating cavity (101) via the through hole (22).

METHOD FOR RECOVERING LITHIUM

Resumen de: WO2026010394A1

The present invention relates to a method for recovering lithium and, more specifically, to a method for recovering lithium, the method comprising the steps of: (a) dissolving cathode material powder including a cathode active material having an olivine structure in an acidic solution to prepare a solution; (b) adding the solution with an aqueous hydrogen peroxide (H2O2) solution to obtain a first leachate and a first leach residue, followed by separating same; (c) adding a calcium compound to the separated first leachate to obtain a second leachate and a second leachate residue, followed by separating same; (d) diluting the separated second leachate with water; (e) injecting carbon dioxide to the diluted second leachate to obtain a third leachate and a third leachate residue, followed by separating same; and (f) concentrating the separated third leachate. According to the present invention, there is an effect of providing a method for recovering lithium, in which cathode active material powder including a cathode active material having an olivine structure is dissolved in an acidic solution and an aqueous hydrogen peroxide solution is added thereto to obtain a leachate to which a calcium compound is then added to precipitate and remove impurities such as Fe, P, etc., followed by adding carbon dioxide to precipitate and remove residual calcium components, thereby increasing the purity and recovery rate of lithium.

BATTERY CELL ASSEMBLY PROCESS SIMULATION SYSTEM

Resumen de: WO2026010189A1

Provided are a battery cell assembly process simulation system and operating method thereof capable of efficiently educating a new worker about actual process equipment without affecting the operation of the actual process equipment. The system comprises: a server in which basic information and education information about educational equipment, which is training target equipment in battery cell processes, are stored and a work history of a worker participating in training is stored; a terminal providing the educational information to the worker participating in the training; an input interface provided in the terminal so that information about the worker participating in the training is input; and an education content selection logic for extracting the work history of the worker corresponding to the input information about the worker and constructing, on the basis of the extracted work history, a training scenario to be provided to the terminal.

COOLING DEVICE AND BATTERY PACK COMPRISING SAME

Resumen de: WO2026010347A1

A cooling device according to some embodiments of the present invention comprises: a heat sink including a plurality of cooling channels and a plurality of hollows; and a manifold coupled to the heat sink. The manifold includes a plurality of sub-flow paths positioned on a side close to the heat sink so as to correspond to the plurality of cooling channels, and a plurality of main flow paths on a side far from the heat sink. The plurality of sub-flow paths may branch from the plurality of main flow paths. Some embodiments of the present invention can quickly cool a battery. Accordingly, the stability of the battery can be improved, and the battery can be quickly charged.

SEPARATOR FOR ELECTROCHEMICAL DEVICE, ELECTROCHEMICAL DEVICE COMPRISING SAME, AND MANUFACTURING METHOD THEREOF

Resumen de: WO2026010343A1

The present invention relates to a separator for an electrochemical device, an electrochemical device comprising same, and a manufacturing method thereof, and specifically relates to: a separator for an electrochemical device, the separator having improved adhesion and reducing resistance due to the coverage of an adhesive layer on a coating layer being adjusted so as to be uniform; an electrochemical device comprising the separator; and a manufacturing method thereof.

ELECTRODE PREPARATION METHOD, ELECTRODE PREPARED THEREBY, AND ENERGY STORAGE DEVICE COMPRISING SAID ELECTRODE

Resumen de: WO2026007896A1

The present invention relates to an electrode preparation method, an electrode prepared thereby, and an energy storage device comprising said electrode. The preparation method comprises: (1) preparing an electrode film, comprising: (a) material mixing, uniformly mixing an electrode active material, a conductive additive, and a non-fibrillatable binder, then adding a fibrillatable binder, and forming the resulting mixture into a fluffy or dough-like mass; or uniformly mixing an electrode active material, a conductive additive, a non-fibrillatable binder and a fibrillatable binder, and forming the resulting mixture into a fluffy or dough-like mass; and (b) forming, forming the fluffy or dough-like product obtained in step (a) into an electrode film; and (2) current collector depositing, comprising: by means of a physical deposition method, depositing a metal layer on one surface of the electrode film obtained in step (1) as a current collector. The energy storage device in the present invention has improved cycle performance, rate performance, and initial coulombic efficiency.

CYLINDRICAL SECONDARY BATTERY, BATTERY PACK, AND ELECTRICAL APPARATUS

Resumen de: WO2026007789A1

A cylindrical secondary battery, a battery pack, and an electrical apparatus. The cylindrical secondary battery comprises: a casing, a first electrode terminal, and a first insulating member. The casing comprises a top wall, and the top wall is provided with a through hole. At least part of the first electrode terminal is provided in the through hole. The first insulating member insulatingly connects the top wall and the first electrode terminal. The melting point of the first insulating member is t1, where t1≥300°C. The first insulating member has a high melting point and can withstand a higher temperature. The first insulating member does not easily melt at high temperatures, which helps the first insulating member to maintain good insulation between the top wall and the first electrode terminal, and reduces the risk of an internal short circuit of the cylindrical secondary battery caused by an electrical connection between the top wall and the first electrode terminal.

BATTERY AND ELECTRIC DEVICE

Resumen de: WO2026007510A1

Disclosed in the present application are a battery and an electric device, which belong to the technical field of batteries. The battery of the present application comprises: a battery cell comprising a housing and an electrode terminal, the electrode terminal being arranged in the housing; a case assembly comprising a case, the case comprising a body part and a partition part, an accommodating space being formed inside the body part, the partition part being located in the accommodating space and dividing the accommodating space into two first accommodating cavities, the two first accommodating cavities respectively extending through surfaces of the body part in opposite directions and respectively forming openings on the surfaces of the body part, and at least one battery cell being arranged in each first accommodating cavity. Two first accommodating cavities are arranged in the box body, a battery cell can be placed in each first accommodating cavity, and the electrode terminal is located on the side of the housing facing away from the partition part. When there are a plurality of battery cells, the plurality of battery cells can be attached to each other, so that the space in the first accommodating cavity is more fully utilized, thereby improving the volumetric energy density of the battery.

BATTERY SEPARATOR AND BATTERY

Resumen de: WO2026010407A1

The present invention relates to a battery separator and a battery. A battery separator and a battery of the present invention comprise: a base layer; an outer layer positioned on one surface or both surfaces of the base layer and comprising a first binder, which is a fluorine-based binder, and a second binder, which is a vinyl-based binder; and an inner layer positioned between the base layer and an organic layer and comprising inorganic particles, wherein the ratio (P1:P2) of the content (P1) of the first binder of the separator to the content (P2) of the second binder of the separator can be adjusted.

ELECTRONIC DEVICE AND DRIVING METHOD THEREOF

Resumen de: WO2026010150A1

An electronic device according to one embodiment of the present disclosure may comprise: a first battery; a second battery connected in parallel with the first battery; a first power conversion circuit including a switching converter and a first switching element, which is arranged between a first output node connected to an output terminal of the switching converter and the first battery; a second power conversion circuit; a first flexible circuit board arranged between the first output node and a second battery node connected to the second battery; a first current limiting circuit arranged between the first flexible circuit board and the second battery node; and a processor, wherein, in response to a first trigger, the first switching element is controlled such that a first battery current flowing from the first output node to a first battery node connected to the first battery is lowered and, in response to a second trigger, the first current limiting circuit is controlled such that a second battery current flowing from the first output node to the second battery node is lowered.

BATTERY, BATTERY PACK, AND VEHICLE INCLUDING SAME

Resumen de: WO2026010340A1

A battery according to the present invention comprises: an electrode assembly provided by winding a first electrode and a second electrode with a separator interposed therebetween, around the central axis of a winding central hole; a cell housing accommodating the electrode assembly and having an opening at one side thereof; and a current collecting plate electrically coupled to each of the electrode assembly and the cell housing, and having a circumferential portion at an edge thereof, wherein the circumferential portion includes: at least one contact circumferential portion in contact with the cell housing; and at least one variable circumferential portion configured to be deformable.

BATTERY, BATTERY PACK, AND VEHICLE INCLUDING SAME

Resumen de: WO2026010329A1

A battery according to the present invention comprises: an electrode assembly provided while being wound around a central axis of a winding central hole in a state in which a separator interposed between a first electrode and a second electrode is interposed; a cell housing accommodating the electrode assembly and having an opening at one side thereof; and a current collecting plate electrically coupled to each of the electrode assembly and the cell housing, and having a circumferential portion at an edge thereof, wherein the circumferential portion has a rigidity reinforcing portion configured to reinforce rigidity of the circumferential portion.

SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF

Resumen de: WO2026010305A1

Provided is a secondary battery comprising: a first group of unit electrodes and a second group of unit electrodes, which are stacked in a first direction; first electrode tabs extending from one end of the first group of unit electrodes and laminated with one another; second electrode tabs extending from one end of the second group of unit electrodes and laminated with one another; and an electrode lead electrically connected to the first electrode tabs and the second electrode tabs. The first electrode tabs include: a first merge part; a first tab ending part extending substantially parallel to the extension direction of the first group of unit electrodes; and a first connection part connecting the first merge part and the first tab ending part, wherein the first merge part and the first connection part are connected in a V-shape.

POROUS ALUMINUM GRADIENT LITHIUM-RICH MANGANESE-BASED PRECURSOR, PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2026007345A1

The present application provides a porous aluminum gradient lithium-rich manganese-based precursor, a preparation method therefor, and a use thereof. In the preparation method, a porous aluminum gradient lithium-rich manganese-based precursor particle prepared by means of a two-step co-precipitation reaction comprises a dense nickel-cobalt-manganese core and a loose porous aluminum concentration gradient shell layer coated on the surface of the core, so that the particle has a dense interior, providing relatively high tap density and energy density; the porous aluminum-containing shell layer formed on the surface enhances the transmission and diffusion of lithium ions, thereby improving the rate performance of a positive electrode material; in addition, the porous structure on the surface can also alleviate stress changes during charging and discharging, reduce the generation of microcracks induced by lithium ion deintercalation, and improve the structural stability of the positive electrode material.

INTERNAL COMMUNICATION METHOD AND APPARATUS FOR BATTERY CELL, DEVICE, STORAGE MEDIUM, AND PRODUCT

Resumen de: WO2026007329A1

The present application relates to the technical field of battery management, and in particular to an internal communication method and apparatus for a battery cell, a device, a storage medium, and a product. The method comprises: transmitting, on the basis of a first direction of a bidirectional daisy chain, battery cell monitoring data acquired by each sampling chip to a main board, and initiating timing at the beginning of transmission; and when a preset communication time is reached, transmitting, on the basis of a second direction opposite to the first direction, the battery cell monitoring data acquired by each sampling chip to the main board, until the preset communication time is reached again.

HOUSING, BATTERY PACK AND ELECTRIC VEHICLE

Resumen de: WO2026007328A1

The present application relates to the technical field of batteries. Disclosed are a housing, a battery pack and an electric vehicle. The housing comprises an upper cover and a lower cover, wherein the upper cover comprises an upper cover left portion and an upper cover right portion which are separately arranged, the upper cover left portion comprising a first top portion, an upper left side portion, a first upper front side portion and a first upper rear side portion, and the upper cover right portion comprising a second top portion, an upper right side portion, a second upper front side portion and a second upper rear side portion; the lower cover comprises a lower cover left portion and a lower cover right portion which are separately arranged, the lower cover left portion comprising a first bottom portion, a lower left side portion, a first lower front side portion and a first lower rear side portion, and the lower cover right portion comprising a second bottom portion, a lower right side portion, a second lower front side portion and a second lower rear side portion; and the upper cover left portion is connected to the upper cover right portion by means of an upper connecting structure, the upper cover left portion is connected to the upper cover right portion by means of a lower connecting structure, and the upper connecting structure and the lower connecting structure are adjustable in size in the left-right direction.

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR PREPARING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2026010294A1

A cathode active material for a lithium secondary battery, a method for preparing same, and a lithium secondary battery comprising same are disclosed. The cathode active material for a lithium secondary battery, according to the present invention, comprises: a core including a lithium transition metal oxide that does not include cobalt; and an oxide coating layer positioned on the surface of the core, wherein the oxide coating layer is an oxide including lithium (Li) and at least one element from among titanium (Ti), cobalt (Co), tungsten (W), zirconium (Zr), aluminum (Al) and silicon (Si).

SECONDARY BATTERY SELF-FOAMING FOAM COMPOSITE PAD AND MANUFACTURING METHOD THEREFOR

Resumen de: WO2026010102A1

The present invention relates to a secondary battery safety pad between secondary battery cells/modules, and to a secondary battery self-foaming foam composite pad and a manufacturing method therefor, the pad having a porous structure with an expansion buffer characteristic for ensuring the safety of a secondary battery pack by preventing a fire occurring in a single cell from spreading to adjacent cells. The objectives of the present invention are to: provide a pad having an open-cell porous structure so as to be utilized as a heat dissipation path for discharging heat generated during normal operation; provide a heat-insulating fire-extinguishing foam having a porous structure with an expansion buffer characteristic and exhibiting a compression rate of a specific value or higher, so as to respond to volumetric expansion/contraction that inevitably occurs during battery use and swelling occurring over a lifespan; and enable a foam-shaped multifunctional safety composite pad to be manufactured utilizing foaming of a self-foaming flame retardant.

METHOD FOR RECOVERING LITHIUM COMPOUND FROM CATHODE MATERIAL OF LITHIUM-ION BATTERY

Resumen de: WO2026010311A1

The present invention relates to a method for recovering a lithium compound and, more specifically, to a method for recovering a lithium compound, comprising the steps of: (a) using an organic solvent containing a cation-exchange extractant, so as to extract a reduction roasted product of a cathode material of a lithium-ion battery, thereby obtaining an extraction residue and an organic solvent in which lithium is extracted; (b) separating the extraction residue and the organic solvent in which lithium is extracted; (c) stripping, with an acidic solution, the separated organic solvent in which lithium is extracted, so as to obtain a lithium-containing aqueous solution and the organic solvent; (d) separating the lithium-containing aqueous solution and the organic solvent; and (e) carbonating lithium in the separated lithium-containing aqueous solution so as to obtain lithium carbonate. The present invention relates to the method for recovering a lithium compound from a cathode material of a lithium-ion battery, comprising using an organic solvent containing a cation-exchange extractant, so as to directly extract lithium from a reduction roasted product of a cathode material of a lithium-ion battery, and then performing stripping with an acidic solution so as to have a high lithium recovery rate and reduce the energy, time and costs required for lithium recovery, and thus even economic feasibility and efficiency are improved.

COMPOSITE POSITIVE ELECTRODE MATERIAL LAYER, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2026007685A1

The present application relates to the technical field of new energy materials, and discloses a composite positive electrode material layer, and a preparation method therefor and a use thereof. The composite positive electrode material layer disclosed in the present application comprises 70-90 parts by weight of a positive electrode active material and 8-30 parts by weight of a sulfide electrolyte. In the thickness direction of the composite positive electrode material layer, the content of the positive electrode active material and the content of the sulfide electrolyte are in gradient distribution. In the thickness direction of the composite positive electrode material layer, the mass fraction of the positive electrode active material decreases from 74%-95% to 60%-85% and the mass fraction of the sulfide electrolyte increases from 5%-24% to 10%-32%, or the increase and decrease directions of the two are reversed; and the difference between the maximum mass fraction and the minimum mass fraction of each of the positive electrode active material and the sulfide electrolyte is larger than 5% and smaller than 30%. The composite positive electrode material layer has high areal capacity, can improve the energy density of solid-state batteries, and can further improve the power density of solid-state batteries.

TRAY, TRANSFER DEVICE AND TEST APPARATUS

Resumen de: WO2026007731A1

A tray, a transfer device and a test apparatus. The tray (100) comprises a support plate (10), a limiting assembly (20) and a pressure plate assembly (30). The support plate is configured to carry a battery cell (200). The limiting assembly comprises a base (22), a moving member (21) and a mounting seat (23), wherein the base and the mounting seat define a moving channel, the moving member is movably arranged at the moving channel, and the moving member is provided with a first connecting part (211). The pressure plate assembly comprises a pressure plate (31) and a rotating member (32), wherein the pressure plate is rotatably connected to the mounting seat, the pressure plate can switch between a first positional state and a second positional state, and a second connecting part (311) is provided on the side of the pressure plate facing the support plate. When the pressure plate is rotated to a first position, by moving the moving member to a locking position, the first connecting part and the second connecting part are connected, thus keeping the pressure plate in the first position to press the battery cell; by moving the moving member to an unlocking position, the second connecting part separates from the first connecting part, enabling the pressure plate to rotate to a second position to release the battery cell. The tray enables easy and quick pressing or releasing of battery cells.

POLYESTER FILM, RESIN CURRENT-COLLECTOR, RESIN CURRENT-COLLECTOR FOR BIPOLAR BATTERY, ELECTRODE FOR HYPERBOLIC BATTERY, ENERGY STORAGE ELEMENT, SECONDARY BATTERY, ELECTRIC VEHICLE, AND ELECTRIC FLYING OBJECT

Resumen de: EP4674896A1

The objects of the present invention are to provide a polyester film that has excellent electrical conductivity, uniform in-plane electrical conductivity in the thickness direction of the film, and little decrease in electrical conductivity due to processing, and a resin current collector for bipolar batteries that has little variation in battery characteristics, and the present invention attains the objects by providing the polyester film satisfying the following (1) to (3):(1) a volume resistivity at 23°C and 65% RH is 1.0 × 10<0> Ωcm or more and less than 1.0 × 10<8> Ωcm;(2) a film thickness is 1 µm or more and less than 500 µm; and(3) the polyester film comprises a polyester resin layer (layer P1) containing 1.0% by mass or more and 30% by mass or less of conductive particles, and the conductive particles are carbon materials.

HIGH-TEMPERATURE-RESISTANT CONTACT AND FILLING MATERIAL AND USE THEREOF

Resumen de: CN120769882A

The invention relates to a high-temperature-resistant contact and filling material. The high-temperature-resistant contact and filling material consists of a component A and a component B, component A comprises: a polyacrylate based silylated prepolymer or a silylated prepolymer mixture comprising at least one polyacrylate based silylated prepolymer; a plasticizer which is a multifunctional carboxylic acid ester; having at least one greater than gt as determined according to DIN 19645; a wetting and dispersing additive having an amine value of 20 mg KOH/g; a mixture of functionalized organosilanes; znO and another thermal conductive filler or a mixture of a plurality of thermal conductive fillers. The component B comprises a plasticizer which is a multifunctional carboxylic ester; a wetting and dispersing additive having at least one amine value of greater than 20 mg KOH/g as determined according to DIN 19645; a thermally conductive filler or a mixture of a plurality of thermally conductive fillers; water and an organometallic catalyst; and an antioxidant or a mixture of a plurality of antioxidants. The volume mixing ratio of the component A to the component B is (1: 1)-(10: 1).

SINGLE PIECE FILTERING ELEMENT FOR A FLUID RECIRCULATION SYSTEM FOR AN AIR CONDITIONING SYSTEM SUCH AS A SYSTEM FOR COOLING A BATTERY ASSEMBLY IN PARTICULAR FOR ELECTRIC VEHICLES

Resumen de: CN120359074A

A filter element (1) suitable for use in a fluid recirculation system of an air conditioning system for cooling or heating one or more components, such as, for example, a battery pack, in particular for a vehicle, comprising a hollow filter portion (4) and a hollow constrained end portion (3). The filter portion (4) is manufactured as a single piece with the constraining portion (3) and, in use, is inserted directly into a first conduit (60) of a cooling system, the first conduit (60) and a second conduit (50) of the system being directly connected to said hollow constraining end portion (3).

METHOD OF MANUFACTURING ALL-SOLID-STATE BATTERY

Resumen de: EP4675735A1

A method of manufacturing an all-solid-state battery having an improved contact state between an electrode layer and a solid electrolytic layer and achieving charging/discharging without pressurization during use of the all-solid-state battery is provided. The means for this adopts a method of manufacturing an all-solid-state battery including: a step of forming slurry by kneading raw materials including an electrode active material; a step of applying the slurry onto a current collector; a step of stacking a solid electrolytic layer onto the applied slurry; and a vacuum-drying step of forming an electrode layer by vacuum-drying the slurry on which the solid electrolytic layer is stacked.

SECONDARY BATTERY

Resumen de: EP4675693A1

A secondary battery (10) according to an embodiment comprises an electrode body in which a positive electrode (11) and a negative electrode are wound with a separator interposed therebetween. The positive electrode (11) has a wide portion (30) and a narrow portion (40) which have different widths from each other, the narrow portion (40) being provided further toward the winding start side than the center in the lengthwise direction of the positive electrode (11).

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: EP4675742A1

A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, a separator, and a nonaqueous electrolyte. The positive electrode includes a positive electrode current collector, a positive electrode active material layer, and a positive electrode tab. The positive electrode current collector has a first region and a second region. The first region carries the positive electrode active material layer. The second region does not carry the positive electrode active material layer and has a tab connecting portion. The positive electrode tab is connected to the tab connecting portion. When the positive electrode is viewed in plan, the outer contour of the positive electrode active material layer has at least one first side adjacent to the second region, a plurality of second sides not adjacent to the second region, and first corners where the first side and corresponding second sides intersect. The positive electrode active material layer has edge treatment at the first corners.

ALL-SOLID-STATE BATTERY AND METHOD OF MANUFACTURING ALL-SOLID-STATE BATTERY

Resumen de: EP4675736A1

An all-solid-state battery having an improved contact state between an electrode layer and a solid electrolytic layer and achieving charging/discharging without pressurization during use of the all-solid-state battery, and a method of manufacturing the same are provided. The means for this adopts the all-solid-state battery including a current collector, an electrode layer provided on the current collector, and a solid electrolyte layer stacked on and being in contact with the electrode layer, in which a plurality of voids are formed at a contact interface between the electrode layer and the solid electrolyte layer, and in which the voids contain electrolytic solution.

THERMAL REGULATION DEVICE FOR COMPONENTS

Resumen de: CN120752490A

A thermal conditioning device for components, the operation of which is temperature-sensitive, in particular for energy storage and may be battery cells, in particular for vehicles, the device comprising: a discharge channel; a heat transfer fluid flow branch comprising a branch channel having an intermediate section located between an upstream section and a downstream section, where the upstream and downstream sections oppositely pass through at least one component interior placement area; a component end placement region distinct from the component interior placement region, where the region is at least partially in thermal contact with the intermediate section and the discharge channel; the heat transfer fluid circulation branch is provided with a component end placement area, so that the component placed in the component end placement area can exchange heat with the heat transfer fluid circulating in the following components: in the middle section of the heat transfer fluid circulation branch; and in the discharge channel; the intermediate section of the channel in the fluid flow branch includes at least one heat transfer fluid spoiler element.

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: EP4675748A1

Disclosed is a non-aqueous electrolyte secondary battery including: a band-shaped positive electrode; a band-shaped negative electrode; a band-shaped separator; and a non-aqueous electrolyte, wherein the positive electrode and the negative electrode are wound with the separator interposed therebetween, to form an electrode assembly, the positive electrode includes a positive electrode core body, and a positive electrode mixture layer formed on a surface of the positive electrode core body, the negative electrode includes a negative electrode core body, and a negative electrode mixture layer formed on a surface of the negative electrode core body, the negative electrode mixture layer includes, on the negative electrode starting end side of the winding, a mixture starting end region that has a first length L1 along a winding direction and that is not opposed to the positive electrode mixture layer, the positive electrode includes a positive electrode starting end region that has a second length L2 along the winding direction from the positive electrode starting end of the winding and that is opposed to the negative electrode, a first width W1 of the positive electrode starting end is smaller than a maximum second width W2 of the positive electrode excluding the positive electrode starting end, and the first length L1 is a length of 0.4 turns or more and 0.8 turns or less from the negative electrode starting end side.

BATTERY ANALYSIS SYSTEM, BATTERY ANALYSIS METHOD, BATTERY ANALYSIS PROGRAM, AND STORAGE MEDIUM WITH BATTERY ANALYSIS PROGRAM RECORDED THEREIN

Resumen de: EP4675888A1

The balance between the accuracy of monitoring a battery pack and the amount of battery data stored is optimized. In a battery analysis system, a data receiving unit receives battery data of a battery pack installed in an apparatus via an apparatus (1) or a data relay system. A battery data retention unit stores the received battery data. A battery state analysis unit reads the stored battery data and analyzes the read battery data to estimate a battery state. In accordance with the state of the battery pack, a data acquisition control unit adaptively increases or decreases at least one of the acquisition frequency or a data acquisition item of the battery data received from the apparatus or the data relay system and stored in the battery data retention unit.

METHOD FOR PRODUCING LITHIUM HYDROXIDE, METHOD FOR PRODUCING LITHIUM-CONTAINING SULFIDE SOLID ELECTROLYTE RAW MATERIAL, AND METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE

Resumen de: EP4674813A1

Provided is a method for producing lithium hydroxide, the method comprising: reacting lithium carbonate and calcium hydroxide in a liquid to obtain a solution containing lithium hydroxide; subjecting the solution to solid-liquid separation into a liquid component containing the lithium hydroxide and a solid component containing lithium derived from the lithium carbonate; and recovering lithium hydroxide from the liquid component.

LITHIUM SECONDARY BATTERY

Resumen de: EP4675741A1

Disclosed is a lithium secondary battery including: a positive electrode; a negative electrode; a separator; a spacer; and a nonaqueous electrolyte, wherein the separator is provided between the positive and negative electrodes, the spacer is provided between the separator and at least one of the positive and negative electrodes, in the negative electrode, a lithium metal deposits during charging and the lithium metal dissolves into the nonaqueous electrolyte during discharging, the spacer includes a plurality of first linear portions and a plurality of second linear portions that face each other with the positive electrode or the negative electrode interposed therebetween, and when the plurality of first linear portions and the plurality of second linear portions are viewed in an overlapping manner, each of the plurality of first linear portions crosses at least a portion of the plurality of second linear portions at a plurality of points.

LITHIUM SECONDARY BATTERY

Resumen de: EP4675740A1

A lithium secondary battery includes a positive electrode, a negative electrode, a separator, a spacer, and a nonaqueous electrolyte. The separator is disposed between the positive electrode and the negative electrode, and the spacer is arranged between at least one of the positive electrode and the negative electrode and the separator. At the negative electrode, lithium metal deposits during charging, and the lithium metal dissolves during discharging, the spacer has a plurality of linear portions. The separator has an elongated shape having a length L1 in a first direction, and a length L2 in a second direction perpendicular to the first direction, where L1 > L2, and an angle θ of the plurality of linear portions with respect to the first direction, where θ ≤ π/2, satisfies θ ≥ tan<-1>(L2/L1).

SECONDARY BATTERY

Resumen de: EP4675726A1

According to the present invention, a plurality of positive-electrode core exposed sections (11a) are arranged touching one end of the two ends, in the width direction, of a positive electrode (11) and at regular intervals in a longitudinal direction of the positive electrode. The base of each of a plurality of positive electrode tabs (19) is connected to a corresponding positive-electrode core exposed section (11a) and a distal-end side of each of the positive electrode tabs is guided out from the one end of the positive electrode. A plurality of insulating members (15) are provided which cover the positive-electrode core exposed sections (11a) and the bases of the positive electrode tabs (19) and which cover at least a section of a positive-electrode mixture layer (11-2). The plurality of insulating members (15) have a first insulating member (15-1) disposed on an outer peripheral side, and a second insulating member (15-2) disposed on an inner peripheral side. The second insulating member is thicker than the first insulating member.

SECONDARY BATTERY

Resumen de: EP4675725A1

This secondary battery includes an electrode body in which a positive electrode (11) and a negative electrode (12) are spirally wound with a separator (13) therebetween. The positive electrode (11) has positive electrode tabs (19) protruding in one direction from the electrode body (10). The negative electrode (12) includes a non-facing section (12a) which does not face the positive electrode (11) via the separator (13) on the winding inner side. The non-facing section (12a) has a negative electrode mixture layer (12-2) which has a different coating lengths in the longitudinal direction, and in which a minimum coating length section and a maximum coating length section are formed.

SECONDARY BATTERY

Resumen de: EP4675824A1

A cylindrical battery (10) comprises an electrode body (14) that includes a positive electrode (11), a negative electrode (12), and a separator (13), the positive electrode (11) and the negative electrode (12) being wound with the separator (13) interposed therebetween. The separator (13) has a folded-back portion (50) that is formed more toward the winding center side than the winding start end portion of the positive electrode (11), and an extended portion (51) that extends from the folded-back portion (50) to the winding end side of the electrode body (14) and covers the winding start end portion of the positive electrode (11) from both sides.

ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: EP4675692A1

According to the present disclosure, provided is an electrode for a nonaqueous electrolyte secondary battery whereby reaction unevenness is suppressed. The electrode for a nonaqueous electrolyte secondary battery comprises a current collector and a mixture layer arranged on the surface of the current collector. The mixture layer has a stacked structure comprising n layers (n ≥ 2) from a first layer arranged on the surface of the current collector to an nth layer arranged on the outer surface, and the exchange current density I1 at a 50% SOC of the first layer is greater than the exchange current density In at a 50% SOC of the nth layer.

Controlling a thermal system of an electric vehicle

Resumen de: GB2642327A

A thermal system 100 configured to change a temperature of a component 101 of an electric vehicle comprises fluidic circuits. A subset of circuits are connectable via a multimodal valve 110. Processing circuitry obtains data indicating the component’s temperature and determines whether it exceeds or is less than, a setpoint temperature, and determines a set of operating modes in which the thermal system 100 could change the component temperature to approach the setpoint temperature, each mode corresponding to a state of at least one component of the thermal system and to a configuration of the valve 110. The processing circuitry determines, for each mode, a measure of impact associated with operating the thermal system 100 to change the temperature of the component 101, and controls the thermal system to be configured in the mode with the lowest measure of impact by controlling the thermal system component(s) operating state and valve configuration. The invention may maximise battery capacity and usable life or may reduce impact to other power electronics such as an inverter.

Intumescent battery charging enclosure

Resumen de: GB2642249A

A fire-proofed enclosure (Fig. 1, 10) to house batteries when charging, comprising a housing made from a material coated or impregnated with an intumescent material and an internal scaffold, and including openings through which cabling may pass and at least one vent 36 which is closed by expansion of the intumescent material in the event of excessive heat. The housing may comprise front (Fig. 1, 12), rear (Fig. 1, 16) and side walls (Fig. 1, 14) covered by a lid (Fig. 3, 18) connected to the rear wall by a hinge (Fig. 3, 24). The scaffold may comprise support members 38 substantially located on the upper internal margin of the housing front and side walls, optionally formed of stainless steel. The lid may comprise side (Fig. 3, 20) and front pieces (Fig. 3, 22) extending downwardly. Hook-and-eye tapes 26 may be located on these side pieces and the corresponding walls of the housing. The housing may include a sealed thermoplastic tube containing an extinguishing gas or fluid released from the tube in the event of a fire within the housing, and a base to locate the battery.

Methods of preparing a composition

Resumen de: GB2642216A

A method of preparing a composition having the general formula AX where A = LieMfcd; c is a cation vacancy; M is Ti, V, Fe, Cr, Mn, Co, Ni, Mo, W, Al, Nb, P, Si, B, Sn or a combination thereof; 0 ≤ d ≤ 0.5; 0 < e < 1; 0 < f ≤ 1; and the sum of d, e and f is 1; X = OpSqFlClkam; a is an anion vacancy; 0 ≤ p ≤ 1; 0 ≤ q ≤ 1; 0 ≤ l ≤ 1; 0 ≤ k ≤ 1; 0 ≤ m ≤ 0.5; and the sum of p, q, l, k and m is 1. The method comprises ball milling a precursor mixture comprising Li and M and at least one polar aprotic solvent. The composition may be Li1.1Mn0.9O2 or Li1.1Mn0.7Ti0.2O2, each with a disordered rock salt structure. The solvent is preferably dimethyl sulphoxide DMSO, or δ-valerolactone.

Maintaining state of charge of a battery of an electric vehicle

Resumen de: GB2642210A

A method and apparatus for maintaining a state of charge of a battery of an electric vehicle comprises charging the battery of the electric vehicle to a specified state of charge, resting the battery at the specified state of charge for a resting time period, determining a resting voltage, VR, of the battery at the end of the resting time period, setting an onboard charger to a constant voltage charging mode having a constant voltage, VC, based on the resting voltage, VR, and maintaining the specified state of charge of the battery whilst powering one or more ancillary electrical devices such as water heaters, air conditioning or lights of the electric vehicle. The ancillary electrical devices may be powered by either the onboard charger or the battery depending on which has a higher output voltage. The constant voltage VC output by the onboard charge is calculated by the resting voltage VR and a calibrated offset based on a measured ambient temperature, the battery temperature or the ambient temperature and the battery temperature. The electric vehicle may be a work machine including those in agriculture, construction and mining, for example.

BATTERY PACK AND METHOD FOR MANUFACTURING SAME

Resumen de: EP4675844A1

Provided is, for example, a battery pack that achieves a thinner size while ensuring a path for discharging gas. A battery pack 100 includes a plurality of secondary battery cells 1, each of which has, at an end face, a gas discharge port that opens in response to an increase in internal pressure, a plurality of lead plates 30, each of which connects the plurality of secondary battery cells 1, and a plurality of battery holders 20, each of which stores the plurality of secondary battery cells 1 and the lead plates 30. The plurality of battery holders 20 are coupled in such an orientation that end faces of adjacent battery holders 20 face each other to form a battery module 2, and a gas discharge space 50 is defined between the end faces, which face each other, of the battery holders 20. Each of the battery holders 20 includes a holder tube 21 that stores the secondary battery cells 1, and a holder lid 24 that closes an end of the holder tube 21. The lead plates 30 are disposed on an inner face of the holder lid 24, and the holder lid 24 is made of a material having higher heat resistance than that of the holder tube 21.

POWER SUPPLY DEVICE

Resumen de: EP4675788A1

To safely discharges a jet substance from battery cells to prevent an external fire and have improved cooling performance, a power supply device includes a case 2 housing a battery block 10. The case 2 has a closed structure, with a case body 20 having two ends closed with end face plates 23. The battery block 10 includes a discharge surface 10A including first end faces 15 of a plurality of battery cells 1 aligned flush with one another and a cooling surface 10B that cools the battery block 10. The case 2 has a guide clearance 51 for the jet substance and an expansion chamber 53 inside. The guide clearance 51 is located between the case body 20 and the discharge surface 10A. The expansion chamber 53 is located inward from one of the end face plates 23 and between the end face plate 23 and the cooling surface 10B. The end face plates 23 have air holes 40 through which cooling air flows into the case 2 and the jet substance is discharged outside the case 2. The expansion chamber 53 includes a redirection area 54 to redirect the jet substance flowing in through the guide clearance 51 and a blowing duct area 55 through which the cooling air is blown to cool the cooling surface 10B.

POWER SUPPLY DEVICE

Resumen de: EP4675797A1

The present disclosure reduces air leakage during air cooling. A power supply device 100 includes a rack 10 that holds one or more housings 20 while allowing the housings 20 insertable and removable into/from the rack 10, a latch mechanism 30 that holds each of the housings 20 so as to prevent the housing 20 from falling out of the rack 10, the latch mechanism 30 being provided in at least a part of a facing region where each of the housings 20 and an inner face of the rack 10 face each other, and one or more air cooling mechanisms 40 that forcibly blow cooling air into each of the housings 20. In the facing region, the latch mechanism 30 includes a projection 32 biased to protrude toward the inner face of the rack 10 from a surface of each of the housings 20, and a rack-side hole 14 opened at a position in the rack 10 facing the projection 32. Each of the housings 20 includes a housing-side hole 31 formed in a part of a surface facing the facing region to allow the projection 32 to protrude outward, and an elastic body 50 that elastically presses and seals a region including the housing-side hole 31 from an inner face side of the housing 20 in a state where the projection 32 protrudes from the housing-side hole 31.

PROCESS FOR SEPARATING LITHIUM AND MANGANESE FROM A POLYMETALLIC SAMPLE

Resumen de: EP4674812A1

The invention relates to a process for separating metals of interest from polymetallic samples. Especially, it relates to the separation of lithium and/or manganese from a polymetallic sample originating from end-of-life batteries. The process comprises a lithium leaching step in absence of mineral acid, a step of recovering lithium in a solid form, a step of forming manganese formate, and a step of recovering manganese in a solid form.

PROCESS FOR SELECTIVE EXTRACTION AND RECOVERY OF CHEMICAL ELEMENTS FROM A POLYMETALLIC SAMPLE

Resumen de: EP4674993A1

The invention relates to a process for separating chemical elements from a polymetallic solid sample, such as a sample originating from end-of-life batteries. The process comprises a step of recovering nickel and/or cobalt in a solid form after contacting the sample with ammonium carbonate and a reducing agent. The process comprises a further step of recovering manganese in a solid form after contacting the sample with ammonium carbonate.

PROCESS FOR SEPARATING CHEMICAL ELEMENTS FROM A POLYMETALLIC SAMPLE

Resumen de: EP4674992A1

The present application relates to a process for separating chemical elements M1, M2 and M3 contained in a solid sample, such as end of life batteries or black masses, wherein M1 is an alkali metal, M2 is a transition metal and M3 is aluminum.

BATTERY MODULE, AND POWER SUPPLY DEVICE COMPRISING MULTIPLE BATTERY MODULES

Resumen de: EP4675796A1

A battery module is smoothly insertable into and removable from a storage case in a slidable manner. A battery module 1 is stored in a storage case 24 being a front-open box. The battery module 1 includes a plurality of battery cells 3 being rechargeable, and an outer case 10 containing the plurality of battery cells 3. The outer case 10 is a box including a bottom plate 11, a top plate 12, two side plates 13, a front plate 14, and a rear plate 15. The outer case 10 has a closed internal container space 2. The rear plate 15 includes a bent portion 15B at a lower end of the rear plate 15. The bent portion 15B is bent frontward at a corner 16 at the lower end. The bent portion 15B includes a bottom connector 15a extending frontward from the corner 16, a layered portion 15c layered on and fastened to an upper surface of a rear end of the bottom plate 11, and a step 15b between the bottom connector 15a and the layered portion 15c. The bottom connector 15a has a lower surface flush with a lower surface of the bottom plate 11.

POWER SOURCE DEVICE

Resumen de: EP4675787A1

To safely discharge a jet substance from battery cells to prevent an external fire and have improved cooling performance, a power supply device includes a battery block 10 including multiple battery cells 1 and a case 2 housing the battery block 10. The case 2 includes a mesh portion 40 having air holes 41 with an opening size (a) less than or equal to 4 mm through which cooling air to cool an internal component is drawn in, an expansion chamber 53 between an inner surface of the case 2 including the mesh portion 40 and the battery block 10, and a guide clearance 51 between the inner surface of the case 2 and the battery block 10. The air holes 41 have a total opening area larger than a cross-sectional area of the guide clearance 51. The power supply device allows the jet substance discharged to the guide clearance 51 and expanding adiabatically to flow into the expansion chamber 53 to be discharged outside the case 2 through the air holes 41, and allows the cooling air flowing into the expansion chamber 53 through the air holes 41 to be blown to a surface of the battery block 10.

SEPARATOR FOR NONAQUEOUS SECONDARY BATTERY, AND NONAQUEOUS SECONDARY BATTERY

Resumen de: EP4675822A1

The separator for a non-aqueous secondary battery has a porous layer containing inorganic particles and a binder resin and an adhesive layer which contains a phenyl group-containing acrylic type resin and a butadiene-acrylonitrile type resin and in which the amount of the butadiene unit in the total amount of the acrylic type unit, the styrene type unit, the butadiene unit, and the acrylonitrile unit contained in both resins is 3 mol% to 50 mol%.

LAYERED BATTERY

Resumen de: EP4675783A1

A stacked-type battery includes: a stacked-electrode assembly including a plurality of electrodes stacked in a stacking direction; and an exterior package that accommodates the stacked-electrode assembly, wherein the exterior package includes a first conductive plate (18) provided on one surface of the stacked-electrode assembly in the stacking direction, a second conductive plate provided on the other surface of the stacked-electrode assembly in the stacking direction, a first laminate sheet portion joined to a peripheral edge of the first conductive plate, and a second laminate sheet portion joined to a peripheral edge of the second conductive plate, each of the first laminate sheet portion and the second laminate sheet portion includes one or more first sheets (31) and one or more second sheets (32), and the one or more first sheets (31) and the one or more second sheets (32) cover each of the peripheral edge of the first conductive plate (18) and the peripheral edge of the second conductive plate together in a state in which a part of each of the second sheets (32) is overlapped with a part of a corresponding one of the first sheets (31).

BUS BAR, MANUFACTURING METHOD FOR BUS BAR, AND POWER STORAGE DEVICE

Resumen de: EP4675834A1

To provide a bus bar capable of stably ensuring an insulation property and capable of being protected from a high temperature or a flame from a battery cell in an abnormal state, and a method for producing a bus bar. A bus bar (1) includes a bus bar body (5) containing a conductive material and a heat-resistant insulating film (10) containing a filler and covering the bus bar body, in which the heat-resistant insulating film (10) has a surface roughness (Ry) of 0 < Ry < 50 µm. In addition, a method for producing the bus bar (1) includes a step of immersing the bus bar body (5) containing a conductive material in a heat-resistant insulating coating material to apply the heat-resistant insulating coating material to a surface of the bus bar body (5), and then drying the heat-resistant insulating coating material to form the heat-resistant insulating film (10).

BUS BAR AND METHOD FOR PRODUCING SAME, AND ELECTRIC POWER STORAGE DEVICE

Resumen de: EP4675833A1

To provide a bus bar that can be produced at a low cost and that can stably ensure an insulation property. A bus bar (1a) for use in a power storage device including a battery cell includes a bus bar body (25) containing a conductive material and having a plurality of main surfaces (a first main surface (25a) and a second main surface (25b)) orthogonal to a plate-thickness direction (27), and an insulating film (26) covering the bus bar body (25). A predetermined first main surface (25a) among the plurality of main surfaces of the bus bar body (25) has a first region (21) in which the insulating film (26) formed on the first main surface (25a) has a maximum film thickness T1max and a second region (22) in which the insulating film (26) formed on the first main surface (25a) has a minimum film thickness T1min. A ratio (T1max/T1min) of the maximum film thickness T1max to the minimum film thickness T1min is larger than 1.0 and 7.0 or less.

BUS BAR AND METHOD FOR PRODUCING SAME, AND ELECTRIC POWER STORAGE DEVICE

Resumen de: EP4675832A1

To provide a bus bar capable of stably ensuring an insulation property, a method for producing a bus bar, and a power storage device. A bus bar (1) for use in a power storage device including a battery cell includes a bus bar body (5) containing a conductive material and covered with an insulating film (10). A corner portion (7) of the bus bar body (5) is subjected to R processing. A method for producing the bus bar (1) includes a step of performing R processing on the corner portion of the bus bar body (5) containing a conductive material, and a step of applying an insulating coating material to the bus bar body (5) and then curing the insulating coating material to form the insulating film (10). A power storage device includes a plurality of battery cells or battery modules connected to each other by the bus bar.

BUS BAR AND METHOD FOR MANUFACTURING SAME, AND ELECTRIC POWER STORAGE DEVICE

Resumen de: EP4675831A1

To provide a bus bar that does not require a winding operation using a ceramic tape or the like, that does not have problems of winding unevenness, a gap, or peeling off, that can even easily cope with a complicated shape, and that is also easy to produce. A bus bar (20) is for use in a power storage device including a battery cell, and includes a bus bar body (25) having a plurality of planar portions (5a, 5c, and 5e) and corner portions (5d and 5b) formed between adjacent planar portions and extending linearly, and an insulating film (10) formed on a surface of the bus bar body (25). A film thickness of the insulating film formed on the corner portion (5d and 5b) of the bus bar body (25) is smaller than a film thickness of the insulating film formed on the planar portion (5a, 5c, and 5e) of the bus bar body (25).

CURABLE SILANE-TERMINATED POLYMER COMPOSITION WITH HIGH THERMAL CONDUCTIVITY AND ENHANCED DIMENSIONAL STABILITY

Resumen de: EP4674906A1

The invention relates to a curable silane-terminated polymer composition with high thermal conductivity and enhanced dimensional stability to accommodate for battery breathing, comprising at least one organic polymer P containing reactive silane groups, wherein the reactive silane groups correspond to dialkoxy(alkyl) silanes, and at least 70 wt.-% of thermally conductive filler F and at least one plasticizer PL and at least one catalyst C.The inventive curable composition is especially suitable as an adhesive, sealant or gap filler for batteries and other electronic equipment, especially in the automotive industry.

SENSOR DEVICE

Resumen de: EP4675235A1

A sensor device (D1) is attachable for use to a gauge (G1) and configured to obtain a measurement from the gauge (G1) contactlessly, the gauge (G1) including: a dial plate (G16) provided with a scale mark (G161); a needle (G14) rotatable over the dial plate (G16); and a shaft configured to rotate the needle (G14). The sensor device (D1) includes a body (M1) and a battery unit (B1). The body (M1) includes a body casing (1) containing a sensor circuit configured to obtain the measurement. The battery unit (B1) includes a battery casing (5) containing at least one battery cell configured to supply electric power to the sensor circuit. The body (M1) and the battery unit (B1) are configured to be assembled to each other as a result of the body casing (1) and the battery casing (5) being stacked on top of each other.

QUALITY MANAGEMENT DEVICE, QUALITY MANAGEMENT SYSTEM, QUALITY MANAGEMENT PROGRAM, AND QUALITY MANAGEMENT METHOD

Resumen de: EP4675721A1

Provided is a quality management device capable of reducing production loss cost by predicting a yield in a battery inspection process based on foreign matter inspection data of a battery material or a product in process.A quality management device 10 includes: a model storage unit 11 configured to store a relational expression that formulates a relation between foreign matter inspection data from a foreign matter inspection device 21 configured to measure a foreign matter mixed as an impurity in a battery material or a product in process in a battery production process (an electrode production process 31 and a cell production process 32) and battery inspection data from a battery inspection device 22 configured to inspect, in a battery inspection process 33, electrical characteristics of a battery produced in the battery production process; a yield prediction value calculation unit 12 configured to calculate a yield prediction value in the battery inspection process using the relational expression of the model storage unit 11 with the foreign matter inspection data as an input; and a yield prediction value display unit 13 configured to display the yield prediction value on a display device 23.

POWER SUPPLY UNIT FOR AEROSOL-GENERATING DEVICE, CONTROL METHOD, AND CONTROL PROGRAM

Resumen de: EP4674297A1

An inhalation device (100) which is an example of a power supply unit for an aerosol-generating device comprises a power source unit (111), and a control unit (116). The power source unit (111) is configured to be capable of supplying power to a heating unit for heating an aerosol source and to be chargeable by means of power received from an external power source (PS). The control unit (116) acquires a temperature of the power source unit (111) and is configured to be capable of controlling charging of the power source unit (111) based on the temperature of the power source unit (111). The control unit (116) then varies a current value of a charging current for charging the power source unit (111) within a predetermined range in accordance with the temperature of the power source unit (111) when the temperature of the power source unit (111) is included in a first temperature zone, which is a temperature zone below a threshold temperature, and meanwhile makes the current value of the charging current even smaller than a lower limit value of the range when the temperature of the power source unit (111) is included in a second temperature zone, which is a temperature zone at or above the threshold temperature.

CURRENT COLLECTOR AND MANUFACTURING METHOD THEREFOR, ELECTRODE SHEET, BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4675711A1

The present application discloses a current collector, a preparation method thereof, an electrode plate, a battery, and an electrical apparatus. The current collector comprises a densified carbon nanotube film layer and a metal layer bonded to a surface of the densified carbon nanotube film layer. Compared to a commercial metal foil, the current collector provided in the present application has a weight which is 15% to 19% of a weight of a commercial metal foil and has a thickness which is 24% to 32% of a thickness of the commercial metal foil; while exhibiting similar electrical conductivity, electrochemical stability, and obviously higher mechanical strength and flexibility; and a battery using the current collector achieve increases in gravimetric energy density and volumetric energy density by 10.2% to 25.7% and 5.1% to 11.45%, respectively.

CONNECTION MEMBER AND CIRCUIT BOARD FOR BATTERY PACK, BATTERY PACK, AND METHOD FOR MANUFACTURING SAME

Resumen de: EP4675750A1

Die Erfindung betrifft ein Verbindungselement für eine Leiterplatte für ein Batteriepack, eine Leiterplatte für ein Batteriepack und ein Batteriepack mit mindestens einer Batteriezelle, wobei das Verbindungselement (10) einen Bodenabschnitt (12) zur elektrischen und mechanischen Verbindung mit der Batteriezelle und einen schräg von dem Bodenabschnitt (12) abragenden Randabschnitt (13) zur elektrischen und mechanischen Verbindung mit der Leiterplatte aufweist, und wobei das Verbindungselement (10) aus einem elektrische leitenden, lötbaren und/oder schweißbaren Material hergestellt ist und/oder zumindest abschnittsweise eine schweißbare, lötbare und/oder elektrisch leitende Beschichtung aufweist. Die Erfindung betrifft weiter ein Verfahren zur Herstellung einer Leiterplatte und ein Verfahren zur Herstellung eines Batteriepacks. Außerdem betrifft die Erfindung eine Verwendung einer Leiterplatte zur Herstellung eines Batteriepacks.

COMPOSITION FOR USE IN MANUFACTURING OF BATTERIES

Resumen de: EP4675689A1

The invention relates to a composition comprising- A diluent or a mixture of diluents- Dispersed particles, wherein the dispersed particles comprise at least one of an electrically conductive carbon-based material and an electrode active material,wherein the diluent comprises one or more 3-alkyloxy-N,N-dialkylpropionamide compounds,wherein the alkyl groups are independently selected from alkyl groups having 1, 2 or 3 carbon atoms.

BATTERY MODULE, ASSEMBLY OF A BATTERY MODULE AND AN INTERFACE PLATE, AND BATTERY PACK COMPRISING THE BATTERY MODULE AND ASSEMBLY

Resumen de: EP4675758A1

A battery module (1) comprises battery cells (3), a module housing (2) having a upper and lower side and accommodating the battery cells (3), and a first module upper connector (4) and a second module upper connector (5) connected to the battery cells (3), a first module lower connector (6) connected to the first module upper connector (4), and a second module lower connector (7) connected to the second module upper connector (5). A first module upper connector location horizontally corresponds to a first module lower connector location and a second module upper connector location horizontally correspond to a second module lower connector location. The first module upper connector (4) fits to the first (6) and second (7) module lower connector to create contact, and the second module upper connector (5) fits to the second module lower connector (7) to create contact.

SAFE HYDROMETALLURGICAL METHOD OF RECOVERING ALKALI METALS FROM MATERIALS INCLUDING FREE ALKALI ELEMENTS

Resumen de: EP4674990A1

In a method (1) of recovering an alkali metal from a material (2) including the alkali metal as a free alkali element, the material (2) is contacted with an aqueous solution (3) such as to convert the free alkali element into an alkali salt dissolved in the aqueous solution (3). The aqueous solution (3) with the alkali salt dissolved therein is separated from solid remainders of the material (2); and the separated aqueous solution (3) is hydrometallurgically processed to recover the alkali metal. In order to reduce an emission of hydrogen from the aqueous solution (3) contacting the material (2), a metal salt of a more noble metal that is higher in the galvanic series than the alkali metal is added to the aqueous solution (3).

CONNECTING STRUCTURE FOR MOVABLE REED AND BASE, AND ELECTROMAGNETIC RELAY

Resumen de: EP4675663A1

A connecting structure for connecting a movable reed and a base. The movable reed comprises a movable reed piece and a movable reed outlet unit; a first end part of the movable reed piece is connected to a movable contact, and a second end part is fixedly connected to a first end part of the movable reed outlet unit; the movable reed piece and the movable reed outlet unit form a V shape; a second end part of the movable reed outlet unit is configured as an outlet connecting part; the base is provided with a slot; a thinned structure extends outwards from the first end part of the movable reed outlet unit; the thinned structure is fitted in the slot of the base; positioning ribs are arranged in the slot of the base, and the positioning ribs abut against a side surface of the thinned structure. By utilizing the thinned structure, the material thickness variation of the movable reed outlet unit can be reduced, and the clamping reliability is improved.

BATTERY TRAY, BATTERY PACK AND ELECTRIC DEVICE

Resumen de: EP4675839A1

A battery tray, a battery pack, and an electric device are provided. The battery tray includes: a tray body, configured to carry a plurality of cells; a side beam, disposed around the tray body, and configured to cooperate with the tray body to accommodate the cell; and a protection apparatus, disposed on the side beam, where the protection apparatus includes a fuse and a relay that are configured to be connected in series between the plurality of cells, and the relay is connected to a controller of the battery pack, to control connection or disconnection of the relay by using the controller.

THERMAL PROTECTION ASSEMBLY FOR BATTERY CELLS

Resumen de: EP4675810A1

Die Erfindung betrifft eine Schutzanordnung, insbesondere für eine Batteriezelle, aufweisend mindestens ein Trägerelement und mindestens ein Hitzeschutzelement, wobei das Trägerelement dazu eingerichtet ist, das mindestens eine Hitzeschutzelement und mindestens eine Berstmembran aufzunehmen und entlang zumindest einer Raumrichtung über einer batterieseitigen Austrittsöffnung zu positionieren; oder wobei das Trägerelement dazu eingerichtet ist, das mindestens eine Hitzeschutzelement zumindest bereichsweise über einer an oder in einer batterieseitigen Wandung angeordneten Berstmembran zu positionieren, wobei das mindestens eine Hitzeschutzelement und/oder das Trägerelement zumindest eine Aussparung aufweist, welche dazu eingerichtet ist, einen Zugang zu mindestens einer Berstmembran auszubilden. Des Weiteren betrifft die Erfindung eine Batteriezelle mit einer Schutzanordnung.

TEMPERATURE-CONTROL PLATE AND BATTERY STORAGE ARRANGEMENT HAVING SUCH A TEMPERATURE-CONTROL PLATE

Resumen de: EP4675214A1

Die Erfindung betrifft eine Temperierplatte 1 mit folgenden Merkmalen: Eine Tragplatte 4 ist zwischen einer glatten oberen Abdeckplatte 5 und einer glatten unteren Abdeckplatte 6 angeordnet und mit den beiden Abdeckplatten 5 verbunden. Die Tragplatte 4 ist zur Ausbildung von Temperierkanälen 13, 14 zwischen der Tragplatte 4 und den angrenzenden Abdeckplatten 5 mit einer Temperierkanalprofilierung versehen, wobei die oberen Temperierkanäle 13 zwischen der oberen Abdeckplatte 5 und der Tragplatte 4 verlaufen und die unteren Temperierkanäle 14 zwischen der unteren Abdeckplatte 6 und der Tragplatte 4 verlaufen. Die Tragplatte 4 weist Durchgangsöffnungen auf, um die oberen und die unteren Temperierkanäle 13, 14 zur Temperiermittelumlenkung miteinander zu verbinden. Die Tragplatte 1 wird zu Temperierungen zwischen Zellebenen einer Batteriespeicheranordnung platziert.

THERMAL PROTECTION ASSEMBLY FOR A CELL HOUSING AND BATTERY CELL

Resumen de: EP4675757A1

Die Erfindung betrifft eine Anordnung zur thermischen Verstärkung eines Zellgehäuses einer Batteriezelle, aufweisend ein Zellgehäuse mit einem Innenvolumen und aufweisend mindestens einen Elektrodenstapel, welcher in dem Innenvolumen des Zellgehäuses angeordnet ist, wobei das Zellgehäuse zumindest bereichsweise thermisch verstärkt und/oder zumindest bereichsweise gegenüber dem Elektrodenstapel isoliert ausgeführt ist. Des Weiteren betrifft die Erfindung eine Batteriezelle mit einer Anordnung.

A LIQUID RESERVOIR FOR THERMAL RUNAWAY MANAGEMENT

Resumen de: EP4675768A1

A liquid reservoir (10) for thermal runaway management, comprising: a housing (20) adapted to accommodate a liquid coolant (12), the housing (20) comprising an outlet (22) to an interior (34) of a battery pack (30) comprising one or more battery modules (32), and an openable seal (24) arranged to seal the outlet (22), wherein in response to a thermal runaway event occurring in the battery pack (30), the openable seal (24) is configured to release accommodated liquid coolant (12) into the interior (34) of the battery pack (30), and wherein at least one of a volume of the housing (20) and a volume of the accommodated liquid coolant (12) is limited by a height limit (H) defined by a terminal circuit (36) of a lowest battery module (32-1) from among said one or more battery modules (32).

BATTERY MANUFACTURING METHOD AND CORRESPONDING BATTERY

Resumen de: EP4675688A1

Disclosed is a battery manufacturing method. A first stack part (10) is formed by applying a positive active material on one of two main surfaces of a first separator sheet (2.1) and applying a negative active material on the other one of the two main surfaces of the first separator sheet. A second stack part (20) is formed by applying the positive active material onto one of two main surfaces of a second separator sheet (2.2) and applying the negative active material onto the other one of the two main surfaces of the second separator sheet. The first stack part and the second stack part are stacked upon each other with a current collector plate interposed between the first stack part and the second stack part.

BATTERY CELL, BATTERY MODULE, AND VEHICLE

Resumen de: EP4675720A1

A battery cell (100), a battery module, and a vehicle are provided. The battery cell (100) includes a housing (1) and an electrode core (3). In a first direction, cover plates (2) are disposed on two opposite sides of the housing (1), and a terminal pole (21) is disposed on each cover plate (2). The electrode core (3) is disposed in the housing, the electrode core (3) includes a positive electrode plate (31), a negative electrode plate (32), and a diaphragm (33), the diaphragm (33) is disposed between the positive electrode plate (31) and the negative electrode plate (32), the positive electrode plate (31) is electrically connected to one of the terminal poles (21) through a positive tab, and the negative electrode plate (32) is electrically connected to the other of the terminal poles (21) through a negative tab (321). Support portions (5) abutting against the diaphragm (33) are disposed on inner sides of the two cover plates (2). In the first direction, a length of the diaphragm (33) is 'L diaphragm', a minimum distance between the support portions (5) on two sides of the electrode core (3) is 'L spacing', and the battery cell meets the following condition: L diaphragm - 6 mm < L spacing ≤ L diaphragm.

BATTERY CASE, BATTERY PACK, AND VEHICLE

Resumen de: EP4675794A1

A battery box, a battery pack, and a vehicle are provided. The battery box includes a tray configured to carry a battery cell and a sealing cover covering a top of the tray. The tray includes a first plate body, a first support plate is disposed at two ends of the first plate body along an extension direction of the battery cell, and at least part of a projection of the first support plate on the first plate body covers an end area of the battery cell. The sealing cover includes a second plate body, a first reinforcing plate is disposed at two ends of the second plate body along the extension direction of the battery cell, and at least part of a projection of the first reinforcing plate on the second plate body covers the end area of the battery cell.

COOLING ASSEMBLY, BATTERY PACK COMPRISING SAME, AND VEHICLE

Resumen de: EP4675755A1

This application provides a cooling assembly, a battery pack having the same, and a vehicle. The cooling assembly includes a framework and a filler. The framework includes a plurality of holes penetrating the framework in a thickness direction of the framework. The filler fills the holes, the filler includes a matrix and a liquid phase change medium, and the matrix includes a lyophilic polymer material.

ADAPTER STRUCTURE, BATTERY PACK AND VEHICLE

Resumen de: EP4675828A1

An adapter structure, a battery pack and a vehicle. The adapter structure is applied to the battery pack, and comprises a first adapter, a second adapter and an insulating bracket, wherein the first adapter comprises a first bending structure, which is electrically connected between a first output pole of a battery cell assembly and a power distribution box; the second adapter is spaced apart from the first adapter; the second adapter comprises a second bending structure, which is electrically connected between a second output pole of the battery cell assembly and the power distribution box; and the first bending structure and the second bending structure can pass through the insulating bracket, such that the first adapter and the second adapter are insulated from each other.

BATTERY CELL, BATTERY MODULE AND VEHICLE

Resumen de: EP4675719A1

A battery cell (100), a battery module (200) and a vehicle (1000) are provided. The battery cell (100) includes: a housing assembly (10) and an electrode core (20). The housing assembly (10) includes a housing body (11) and a cover plate (12), the cover plate (12) is disposed at an end of the housing body (11) to define an accommodation cavity, and the cover plate (12) is provided with a terminal pole (101). An electrode core (20) is arranged in the accommodation cavity, the electrode core (20) is provided with a tab (21), and the tab (21) is electrically connected to the terminal pole (101). A support portion (30) is disposed on an inner side of the cover plate (12), and in a first direction, support portions (30) are disposed on two sides of the tab (21). In the first direction, a support width of each support portion (30) is W1, a width of the electrode core (20) is W, and the support width and the width of the electrode core (20) satisfy the following relationship: W1≤1/3W.

APPARATUS AND METHOD FOR LAMINATING AN ELECTRODE ASSEMBLY AND BATTERY PART COMPRISING AN ELECTRODE ASSEMBLY

Resumen de: EP4674556A1

Disclosed is an apparatus for laminating an electrode assembly. The apparatus (100) is configured to receive an electrode assembly comprising a separator sheet and an electrode sheet. The apparatus comprises a lamination roller assembly with one or more rotatable lamination rollers for laminating the electrode sheet and the separator sheet to each other by application of pressure and/or heat. The apparatus is configured to roll the one or more lamination rollers across the electrode assembly along a lamination direction by moving one or both of the electrode assembly and the one or more lamination rollers. The lamination roller assembly is configured to laminate the electrode sheet and the separator sheet to each other in a plurality of spatially separated lamination areas that are displaced with respect to each other along the lamination direction and a lateral direction perpendicular to the lamination direction.

BATTERY CELL, BATTERY MODULE AND VEHICLE

Resumen de: EP4675845A1

A battery cell (100), which is formed into a rectangular body. The battery cell (100) comprises: an electrode core (10), two insulating films (20) and adhesive members (30), wherein the electrode core (10) is provided with first surfaces (11) which are arranged opposite each other in the thickness direction, and second surfaces (12) which are arranged opposite each other in the width direction; the two insulating films (20) are bonded to the two first surfaces (11) respectively; and the adhesive members (30) are bonded to the second surfaces (12), and each adhesive member (30) has an overlapping area with each insulating film (20).

RECHARGEABLE BATTERY, PREPARATION METHOD AND ELECTRIC DEVICE

Resumen de: EP4675737A1

A secondary battery, a preparation method, and an electric device. The secondary battery includes a positive electrode plate, a separator, a negative electrode plate and an electrolyte, where the negative electrode plate includes a lithium metal sheet and a modification layer disposed on at least one surface of the lithium metal sheet, and the modification layer includes phosphate and lithium metal alloy. The surface of the lithium metal sheet is provided with the modification layer which can effectively conduct lithium ions, and the lithium metal alloy is able to achieve uniform deposition of lithium ions, prevent the growth of lithium dendrites, and improve the electrochemical and safety performance of the battery.

METHOD FOR IMPROVING AIR STABILITY OF SODIUM ION LAYERED OXIDE, MATERIAL, AND USE

Resumen de: EP4675705A1

A method for improving air stability of a sodium ion layered oxide, a material, and a use. The method for improving air stability of a sodium ion layered oxide comprises: regulating the weighted average ionic potential ΦM of cations other than sodium ions of a copper-based sodium ion layered oxide positive electrode material NaxCuyMzO2 and regulating a particle size r of primary particles of a crystal, so that 47.5 nm<-1>≤ΦM≤ 50.5 nm<-1> and 1.4 µm≤r≤100 µm,thereby reducing the amount of sodium loss of the sodium ion layered oxide positive electrode material after deterioration in air, and obtaining a sodium ion battery layered oxide positive electrode material having air stability, wherein M is selected from one or more of Ni<2+>, Zn<2+>, Mg<2+>, Fe<3+>, La<3+>, Lu<3+>, Sb<3+>, Mn<4+>, Ti<4+>, Zr<4+>, Sn<4+>, and Bi<5+>; and 0.9≤x≤1, and y+z=1.

ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE

Resumen de: EP4675746A1

The present application relates to an electrochemical device and an electronic device. Specifically, the present application provides an electrochemical device including a cell, where the cell includes a positive electrode, a negative electrode, an electrolyte, and a separator, an outermost electrode of the cell has a curved portion and a straight portion, a length of the straight portion is L mm, a radius of the curved portion is D mm, and 5 ≤ L/D ≤ 10; and the electrolyte includes a dinitrile compound, and based on a mass of the electrolyte, a percentage of the dinitrile compound is A%, and 4 ≤ A ≤ 10. The electrochemical device of the present application has significantly improved high-temperature cycling performance.

ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS

Resumen de: EP4675745A1

The present application relates to an electrochemical apparatus and an electronic apparatus. Specifically, the present application provides an electrochemical apparatus including a cell, the cell including a positive electrode, a negative electrode, an electrolyte, and a separator, where an outermost electrode of the cell has a curved portion and a straight portion, a length of the straight portion is L mm, a radius of the curved portion is D mm, and 5 ≤ L/D ≤ 10; and the electrolyte includes propylene carbonate, and based on a mass of the electrolyte, a percentage of the propylene carbonate is A%, and 5 ≤ A ≤ 15. The electrochemical apparatus of the present application has significantly improved room-temperature cycling performance.

METHOD FOR PRODUCING A LITHIUM-CONTAINING ELECTRODE, AND ELECTROCHEMICAL CELL

Resumen de: WO2024200100A1

The invention relates to a method for producing a lithium-containing electrode (4) for a lithium-ion-containing accumulator, having the following steps: - producing a porous metal structure (6), - coating a surface (26) of the porous structure (6) with an iron phosphate layer (28), - introducing the porous structure (6) provided with the iron phosphate layer (28) into an electrochemical cell (2) as a first electrode (8) which is used as a cathode (10), - introducing a second lithium-containing electrode (12) into the cell (2), said electrode being used as an anode (14), wherein - lithium compounds (30) are introduced into the second lithium-containing electrode (12), said lithium compounds originating from thermally decomposed electrode material of a lithium-ion accumulator, - introducing a non-aqueous electrolyte (16) into the electrochemical cell (2), - closing the electrochemical cell (2) under inert conditions, - applying an electrical current to the electrodes (8), (12) of the electrochemical cell (2) such that lithium ions (18) migrate from the lithium-containing anode (14) to the cathode (10) in the form of the porous structure (6) through the non-aqueous electrolyte (16), and - the surface (26) of the porous structure (6) provided with the iron phosphate layer (28) is converted into a lithium iron phosphate layer (32).

BATTERY RECYCLING PROCESS

Resumen de: EP4675754A1

The present invention relates to a new recycling route for batteries used in the consumer electronics and automotive sectors. This invention encompasses batteries with different types of cathode active materials, such as LCO (LiCoO2), NCA (LiNiCoAlO2), LMO (LiMnO2 or LiMn2O4), NMC (LiNixMnγCozO2), and LMO-NMC (LiNiCoAlO2-LiNixMnγCozO2), in prismatic, cylindrical, and pouch formats. The process comprises the steps of: discharging the batteries, disassembling and separating battery components, grinding the battery cells, precipitating fluorine and lithium, acid leaching, separating manganese via ozonation, precipitating aluminum, extracting cobalt using solvents, precipitating nickel, and precipitating the remaining lithium. The present invention introduces an acid leaching step without the use of a reducing agent, which can achieve efficiencies close to 99% for Ni, Co, Mn, and Li, as well as mechanical processing without any thermal treatment to concentrate the metals of interest from the battery cathodes. The present invention further aims to provide a lithium-ion battery recycling process that employs a metal separation route via ozonation followed by electrodialysis, as well as a lithium-ion battery recycling process that utilizes a metal separation route via electrodialysis.

ALL-SOLID-STATE BATTERY

Resumen de: EP4675739A1

Provided is a means capable of further suppressing a short circuit while suppressing a decrease in energy density in an all-solid-state battery including a solid electrolyte layer. An all-solid-state battery, including a power generating element including: a positive electrode including a positive electrode active material layer, a negative electrode including a negative electrode active material layer, and a solid electrolyte layer interposed between the positive electrode and the negative electrode and containing a solid electrolyte, wherein the solid electrolyte layer includes a first solid electrolyte layer adjacent to the positive electrode active material layer and containing a first solid electrolyte and a first binder, and a second solid electrolyte layer adjacent to the negative electrode active material layer and containing a second solid electrolyte and a second binder, the first binder and the second binder each contain a specific binder, and when the power generating element is viewed in plan view, at least a part of an outer peripheral end of the positive electrode active material layer is located inside an outer peripheral end of the first solid electrolyte layer or an outer peripheral end of the second solid electrolyte layer.

ELECTROLYTE FOR ULTRA EFFICIENT STATIC ZINC-BASED BATTERY

Resumen de: WO2024180484A1

An electrolyte of a static zinc-based battery, includes a) zinc bromide in molar concentration from 1.5M to 3.0M, b) tetraethylammonium bromide as a bromine complexing agent in half of the molar concentration of the zinc bromide, c) a glycol based anti-freezing agent in molar concentration from 1.0M to 2.0M, d) zinc chloride as supporting ionic conducting agent in molar concentration from 1.0M to 4.0M, and e) an additional supporting ionic conducting agent in molar concentration from about 2.0M to 4.0M. The electrolyte minimizes the self¬ discharge of the static zinc -based battery and improves the energy density of the static zinc-based battery.

BINDER FOR AN ELECTRODE, ELECTRODE FORMULATION FOR A LI-ION BATTERY, AND METHOD FOR MANUFACTURING AN ELECTRODE

Resumen de: CN120731513A

The present invention relates to a binder for an electrode of a secondary battery, comprising a fluorinated polymer A and an acrylic polymer B, characterized in that the acrylic polymer B comprises monomer units containing one or more CO2-Li + functional groups, and the acrylic polymer B has a lithiation rate of at least 30%.

SYSTEM AND DEVICE FOR REGULATING ELECTRONIC COMPONENTS

Resumen de: CN120659963A

The invention relates to a thermal conditioning device (200, 210, 220) for components (410), in particular electronic components capable of being heated, the operation of which is sensitive to the temperature, said device (200, 210, 220) comprising an upper plate and a lower plate assembled together with the upper plate to form a plurality of flow-through channels (21) extending mainly along a longitudinal axis for a heat transfer fluid, the invention relates to a cooling device (200, 210, 220) for cooling a component (410), in particular a refrigerant fluid, the upper plate of which is configured to be in thermal contact with the component (410), the device (200, 210, 220) comprising at least one spoiler element (270) in at least a portion of the flow channel (216, 217, 218) configured to face the component (410), the flow disturbing element (270) extends along a main longitudinal extension axis of the channel only partially over the length of the channel (216, 217, 218) of the plate, the device being characterized in that the flow disturbing element (270) extends along the main longitudinal extension axis of the channel (216, 217, 218). The surface of the spoiler element (270) of the device is configured to have a surface area ratio of between 15 and 60, preferably between 15 and 36, relative to the surface of the component (410) in contact with the upper plate of the device.

THERMAL REGULATION DEVICE FOR COOLING ELECTRICAL ENERGY STORAGE MEMBERS

Resumen de: WO2024180142A1

The present invention relates to a thermal regulation device for cells of an electric battery, comprising: - a distribution box (100) comprising a fluid inlet chamber (410) and a fluid return chamber (420); - a tube (60) having two fluid circulation assemblies (61, 62) secured by a material bridge (64), one communicating with the inlet chamber and the other communicating with the return chamber, the material bridge (64) forming at least one material clearance gap between the two assemblies (61, 62), the distribution box (100) comprising a rib (441) which separates the inlet chamber from the return chamber and is partially housed in the material clearance gap (65), and the material bridge (64) comprising a notch (642) that opens onto an end face of the tube (60), the rib (441) comprising a longitudinal thickened portion (442) partially housed in the notch (642).

THERMAL REGULATION DEVICE, AND CHARGING DEVICE COMPRISING A THERMAL REGULATION DEVICE

Resumen de: CN120712452A

A thermal conditioning method and a thermal conditioning device, in particular for a motor vehicle. The invention relates to a thermal conditioning device, in particular a cooling device, for an electrical component susceptible to release heat during operation, in particular for an electrical energy storage module, comprising a first plate (2) and a second plate (3) assembled with the first plate, each plate being delimited by an edge, the invention relates to a device (1) for producing a heat transfer fluid, in particular a refrigerant fluid, in order to together form a plurality of flow-through channels (40) for a heat transfer fluid, in particular a refrigerant fluid, which channels define a channel region (4), at which the two plates (2, 3) are assembled by laser welding, preferably by transparent laser welding, characterized in that the two plates (2, 3) are arranged in the channel region (4). The apparatus comprises additional joining means different from the transparent laser welding, which join the edge of at least one sheet (2, 3) to the other sheet.

CATHODE FOR LI-S BATTERY

Resumen de: US2025391998A1

A lithium sulphur battery comprising a Li anode, a separator between the anode and cathode, a Li-containing electrolyte; and a sulphur-containing cathode; wherein the separator comprises a porous substrate carrying a metal-organic framework comprising at least two different metal ions one of which is an iron ion. Also, a process for the preparation of a cathode material for a Li—S battery comprising nucleating metal ions on a graphene oxide or reduced graphene oxide sheet such that the metal ions are chemically bound to the basal plane of the graphene oxide or reduced graphene oxide sheet; growing a metal-organic framework comprising said chemically bound metal ions by adding a polyfunctional ligand to form a metal organic framework bound to a reduced graphene oxide sheet (MOF@rGO); and infusing elemental sulphur into the metal organic framework to form S-MOF@rGO.

SEPARATOR FOR LI-S BATTERY

Resumen de: US2025391998A1

A lithium sulphur battery comprising a Li anode, a separator between the anode and cathode, a Li-containing electrolyte; and a sulphur-containing cathode; wherein the separator comprises a porous substrate carrying a metal-organic framework comprising at least two different metal ions one of which is an iron ion. Also, a process for the preparation of a cathode material for a Li—S battery comprising nucleating metal ions on a graphene oxide or reduced graphene oxide sheet such that the metal ions are chemically bound to the basal plane of the graphene oxide or reduced graphene oxide sheet; growing a metal-organic framework comprising said chemically bound metal ions by adding a polyfunctional ligand to form a metal organic framework bound to a reduced graphene oxide sheet (MOF@rGO); and infusing elemental sulphur into the metal organic framework to form S-MOF@rGO.

METHOD FOR PRODUCING A BATTERY CELL, A BATTERY CELL COMPONENT, AND A BATTERY CELL

Resumen de: WO2024179962A1

The invention relates to a method for producing a battery cell (1), comprising at least the following steps: a) providing a stack (2) of electrodes, the stack (2) having two mutually opposite end faces (3, 4) and a circumferential surface (5) therebetween; b) providing a winding body (6), which has at least one foil portion (7) and a fastening portion (8); c) wrapping the stack (2) with the winding body (6), at least the circumferential surface (5) being enclosed by the winding body (6); d) arranging a first cover element (9) on a first end face (3); e) producing an overlap (10) between a joining region (11) of the first cover element (9) and the fastening portion (8); f) connecting the fastening portion (8) to the joining region (11) in the region of the overlap (10) by means of a joining element (12) which is made of a plastics material. The invention further relates to a battery cell component (16), comprising at least a stack (2) of electrodes, a winding body (6) and at least one cover element (9, 13), as well as to a battery cell (1).

SULPHIDE BASED LITHIUM-ION CONDUCTING SOLID MATERIALS AND METHODS FOR THE PRODUCTION THEREOF

Resumen de: CN120693298A

The present invention relates to solid materials obtainable by melt quenching a mixture of lithium sulfide, boron sulfide, boron oxide and Se, Te, In or a combination thereof, thereby forming a glassy solid suitable for use in electrochemical cells, for example as a lithium ion and electron conductive coating, and exhibiting high thermal stability.

THERMAL REGULATION DEVICE FOR COOLING ELECTRICAL ENERGY STORAGE ELEMENTS

Resumen de: WO2024180140A1

The present invention relates to a thermal regulation device for an electric storage battery, comprising: - a distribution box comprising a fluid inlet chamber and a fluid return chamber; - a tube (60) with two fluid circulation assemblies (61, 62) secured by a material bridge (64), one communicating with the inlet chamber and the other communicating with the return chamber, the fluid circulation assemblies (61, 62) having, in a cross-section of the tube (60), long edges which lie on two parallel straight lines, the material bridge (64) forming, in a cross-section of the tube (60), at least one segment lying on one of the parallel straight lines, defining a material clearance between the two fluid circulation assemblies (61, 62) and extending over a thickness of the tube (60) comprised between the two parallel straight lines.

THERMAL REGULATION DEVICE, AND CHARGING DEVICE COMPRISING A THERMAL REGULATION DEVICE

Resumen de: CN120712451A

The invention relates to a thermal conditioning device (1), in particular a cooling device, for an electrical component (2) susceptible to release heat during operation, in particular for an electrical energy storage module, comprising a first plate (2) and a second plate (3) assembled with the first plate, each plate being delimited by an edge, the invention relates to a device (1) for producing a heat transfer fluid, in particular a refrigerant fluid, comprising a plurality of plates (2), in order to together form a plurality of flow-through channels (5) for a heat transfer fluid, in particular a refrigerant fluid, which define channel regions (6), at least one of said plates being stamped in order to form part of the walls of the channels, the assembly of the two plates being effected by laser welding (7) at the walls of the channels, said device being characterized in that the two plates are welded together by means of laser welding (7). A region at least partially defining a perimeter of the channel region includes a different assembly means feature (8) than laser transmission welding (7) selected from the group consisting of laser welding with filler wire, adhesive bonding, friction stir welding, or a combination thereof.

THERMAL REGULATION DEVICE WITH CENTRAL COLLECTOR

Resumen de: WO2024179944A1

The present invention relates to a thermal regulation device (1) extending in a longitudinal-transverse plane, comprising a first tube (12), a second tube (14) and a collector (6), the tubes (12, 14) comprising channels (24) configured for the circulation of a heat-transfer fluid, these channels being distributed in a first circulation set (26) and a second circulation set (28), the collector (6) comprising a heat-transfer fluid inlet (8) and a heat-transfer fluid outlet (10), the fluid inlet (8) being arranged on a first side of the longitudinal-transverse plane and the fluid outlet (10) being arranged on a second side, the first circulation set (26) of the tubes (12, 14) opening into the fluid inlet (8) and the second circulation set (28) of the tubes (12, 14) opening into the fluid outlet (10).

CATHODE MATERIAL COMPRISING IRON HYDROXY FLUORIDE

Resumen de: CN120659761A

The invention relates to a method for producing a cathode active material, comprising at least partially dissolving iron fluoride trihydrate (IFH) in a polar solvent, thereby obtaining a solution; adding water to the solution, thereby precipitating a compound comprising pyrochlore hydrated iron hydroxyfluoride (Pyr-IHFH); separating the precipitated compound from the solution; and heating the separated precipitated compound to a temperature of 50-400 DEG C, thereby obtaining a cathode active material comprising pyrochlore iron hydroxyfluoride (Pyr-IHF) wherein water is added to the solution to convert the IFH into Pyr-IHFH. The invention further relates to a cathode active material comprising Pyr-IHF, a cathode comprising the cathode active material and a battery comprising the cathode.

THERMAL REGULATION DEVICE FOR COMPONENTS

Resumen de: CN120752783A

The invention relates to a device (4) for thermally conditioning a temperature-sensitive component (6), said device (4) comprising:-a heat transfer fluid discharge channel (30); -at least two placement areas (204), each placement area (204) being arranged to receive said component, each placement area (204) being in thermal contact with the heat transfer fluid discharge channel (30) such that a component (6) placed in this placement area (204) is able to exchange heat with the heat transfer fluid circulating in the heat transfer fluid discharge channel (30).

THERMAL REGULATION DEVICE FOR COMPONENTS

Resumen de: CN120712679A

The invention relates to a thermal conditioning device (4) for a component (6), the operation of which is temperature-sensitive, the device (4) comprising: a heat transfer fluid distribution channel (8); a heat transfer fluid slowing cavity (10), the distribution channel (8) passing through the heat transfer fluid slowing cavity (10); a heat transfer fluid flow branch (100) in which the heat transfer fluid from the distribution channel (8) is distributed; and at least one placement area (202, 204) for receiving the component (6), the placement area (202, 204) facing the heat transfer fluid slowing cavity (10) such that the component (6) placed in the placement area (202, 204) can exchange heat with the heat transfer fluid circulating in the heat transfer fluid circulation branch (100).

SECONDARY BATTERY

Resumen de: EP4675727A1

A cylindrical secondary battery (1) comprises an electrode body (10). A positive electrode (11) that constitutes the electrode body (10) has an elongated positive electrode core body (13), and a positive electrode mixture layer (14) that is positioned on the positive electrode core body (13). A plurality of exposed portions (15) where the surface of the positive electrode core body (13) is exposed are provided in the length direction of the positive electrode (11) to a widthwise end portion of the positive electrode (11). The positive electrode mixture layer (14) includes a first region (14a) and a second region (14b), the compressive elastic modulus of the first region (14a) being greater than the compressive elastic modulus of the second region (14b).

CURRENT COLLECTOR, POLYESTER FILM, NEGATIVE-ELECTRODE CURRENT COLLECTOR, ELECTRIC POWER STORAGE ELEMENT, ELECTRIC VEHICLE, AND ELECTRIC MISSILE

Resumen de: EP4675713A1

The present invention addresses the problem of providing: a current collector in which it is possible to suppress the occurrence of voids caused by resin breakdown gases or the like that arise due to charging/discharging, etc., of a secondary battery, particularly when the current collector is used in a negative electrode; and a polyester film in which there is little occurrence of voids caused by breakdown gases or the like when charging/discharging is performed, particularly when the polyester film is used as a negative-electrode current collector. The means for solving the aforementioned problem is a current collector comprising a polyester film and a layer (M layer) that is composed of metal and/or a metal-based compound, the maximum reduction current peak intensity of the current collector in CV measurement (0.01-2.0 V, 10 cycles) being 0.000 mA/cm² to 0.050 mA/cm² inclusive.

SECONDARY BATTERY, POLYESTER FILM, LAMINATED POLYESTER FILM, RESIN CURRENT COLLECTOR, MONOPOLAR CURRENT COLLECTOR, POWER STORAGE ELEMENT, ELECTRIC VEHICLE, ELECTRIC FLYING BODY, AND LAMINATED POLYESTER FILM MANUFACTURING METHOD

Resumen de: EP4675712A1

A problem to be solved by the present invention is to provide a film that is resistant to heat defeat when directly depositing a thick layer composed of a metal and/or metal-based compound, a current collector with excellent external stress resistance using the film, and a secondary battery with excellent pressure durability using the film. A solution to the problem is a secondary battery including a current collector having a layer (hereinafter referred to as layer M) composed of a metal and/or metal-based compound and having a thickness of 0.2 µm or more and 3.0 µm or less on surfaces on surfaces on both sides of a polyester film that satisfies the following (1) and (2):(1) a thickness of the polyester film is 1 µm or more and 30 µm or less; and(2) the polyester film has a resin layer containing 0.1% by mass or more and less than 5.0% by mass of conductive particles.

BATTERY EXPLOSION-PROOF STRUCTURE AND BATTERY

Resumen de: EP4675812A1

The present disclosure provides a battery explosion-proof structure and a battery, involving the technical field of batteries. The battery explosion-proof structure includes a housing body, a current collector, a sealing member, and an explosion-proof sheet. The housing body is provided with an opening; the current collector is arranged in the opening, and is connected to the housing body to define a mounting groove; the sealing member is arranged in the mounting groove, and the sealing member is arranged between the current collector and the housing body; the explosion-proof sheet is snapped into the mounting groove; a part of the explosion-proof sheet can abut against the current collector and the sealing member; and the explosion-proof sheet is provided with an explosion-proof part. The housing body and the current collector of the present disclosure define the mounting groove to mount the explosion-proof sheet, and the mounting groove is sealed by the sealing member, making the housing body form a sealing structure, reducing the situation where the explosion-proof sheet becomes loose after mounting. When the pressure inside the housing body increases, it reaches the preset bursting threshold of the explosion-proof sheet, thereby causing the explosion-proof part of the explosion-proof sheet to deform and form a pressure relief channel for pressure relief, avoiding the occurrence of an explosion due to excessive housing pressure.

INSERT DEVICE

Resumen de: EP4675731A1

An insert device according to an embodiment of the present disclosure inserts an electrode assembly into a battery can, and the insert device includes a can holder holding the battery can, a lower stopper supporting the electrode assembly from below and configured to be movable in a direction parallel to a central axis of the electrode assembly, a side stopper configured to advance or retreat in a direction perpendicular to the central axis of the electrode assembly at a side of the electrode assembly, a transfer member configured to transfer the electrode assembly and the battery can, and a lower holder supporting the electrode assembly transferred by the transfer member from below and configured to be movable in a direction parallel to the central axis of the electrode assembly.

APPARATUS AND METHOD FOR DIAGNOSING BATTERY

Resumen de: EP4675294A1

An apparatus for diagnosing a battery according to the present disclosure includes a profile obtaining unit configured to obtain a first differential profile based on a differential voltage and capacity of the battery corresponding to a charging process and a second differential profile based on a differential voltage and capacity of the battery corresponding to a discharging process; and a control unit configured to calculate the number of charging peaks included in a first capacity section from the first differential profile, calculate the number of discharging peaks included in a second capacity section from the second differential profile, and diagnose a state of the battery based on the number of the charging peaks and the discharging peaks.

POWER DISTRIBUTION MANAGEMENT INTEGRATED ASSEMBLY OF BATTERY SYSTEM, BATTERY PACK, AND AUTOMOBILE

Resumen de: EP4674666A1

A power distribution management integrated assembly of a battery system, a battery pack, and an automobile are provided and include a structure assembly (10), including a base (11) and a copper bar component (12); an electrical assembly (20), including a fast charging relay assembly (21), a main relay assembly (22), and a fuse (23) all arranged on the base (11) and all electrically connected to the copper bar component (12); and a hardware circuit assembly (30), including a control plate (31), a sampling component (32), a pre-charging resistor (33), and a pre-charging relay (34), the control plate (31) being arranged on the base (11), and the pre-charging resistor (33) and pre-charging relay (34) being integrated on the control plate (31), the fast charging relay assembly (21), main relay assembly (22), and fuse (23) being all electrically connected to the control plate (31).

SYSTEM AND METHOD FOR CONTROLLING BATTERY CONDITION AWARE ENERGY STORAGE SYSTEMS

Resumen de: WO2024182335A1

A system includes a plurality of energy storage nodes and a control system. The energy storage nodes include a battery storage element, a power conversion subsystem, and a control subsystem to receive battery data. The control subsystem or the control system is configured to determine at least one battery condition about one or more of the energy storage nodes from the battery data. The control system is configured to create one or more limits, restrictions, or preferences on operation of the one or more energy storage nodes based on: (1) the at least one battery condition; and (2) a required power flow or an overall operating intent. The control system is configured to dispatch the required power flow or the overall operating intent across the plurality of energy storage nodes based on the one or more limits, restrictions, or preferences on operation.

SOLID ELECTROLYTE WITH PROTRUSION AND ALL SOLID-STATE BATTERIES COMPRISING SAME

Resumen de: CN119731810A

A battery assembly has a plurality of first electrodes, a plurality of second electrodes, and a plurality of solid electrolyte layers. The solid electrolyte layers have protrusions in at least one of the solid electrolyte layers. The protrusion is aligned with the first electrode tab of one of the first electrodes. The folding of the first electrode tab causes the protrusion to be positioned to separate the first electrode tab from the second electrode, thereby preventing a short circuit between the first electrode tab and the second electrode. In one aspect, the present disclosure provides an all-solid-state battery including one or more anodes, one or more cathodes, and one or more solid electrolyte layers having protrusions. The invention also discloses a preparation method of the battery assembly.

SECONDARY BATTERY ELECTRODE AND SECONDARY BATTERY INCLUDING SAME

Resumen de: EP4675697A1

According to exemplary embodiments, an electrode for a lithium secondary battery includes an electrode current collector, an electrode active material layer formed on the electrode current collector and including an electrode active material, and a coating layer formed on the electrode active material layer. The average value, obtained by measuring the arithmetic average roughness 15 times within a scan range of 0.5 µm × 0.5 µm on an outer surface of the coating layerusing an atomic force microscope (AFM), and then removing the maximum and minimum values, is 30 nm or less.

CURRENT COLLECTOR HAVING ANODIC, CATHODIC, OR BOTH ANODIC AND CATHODIC PROPERTIES AND SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4675710A1

The present invention relates to a current collector having excellent corrosion resistance when a lithium metal negative electrode or a sulfide-based solid electrolyte is applied thereto, and having both negative electrode and positive electrode characteristics, and a secondary battery including the current collector.The current collector according to the present invention includes a current collector substrate made of an alloy including iron (Fe) and nickel (Ni), and a positive electrode characteristic material layer formed on one surface of the current collector substrate.

CONDUCTIVE MATERIAL COMPOSITE PARTICLES, CONDUCTIVE MATERIAL FOR BATTERY ELECTRODES, AND METHOD FOR PRODUCING CONDUCTIVE MATERIAL COMPOSITE PARTICLES

Resumen de: EP4674809A1

Electrically conductive material composite particles contain a carbon nanotube and a dispersant. The electrically conductive material composite particles have a maximum particle size of 150 µm or less, and a mixing amount of the dispersant is 1 part by mass or more and 200 parts by mass or less with respect to 100 parts by mass of the carbon nanotube.

ELECTRODE MANUFACTURING APPARATUS

Resumen de: EP4675690A1

The present technology provides an electrode manufacturing apparatus including a plurality of guide rollers arranged in a moving path of an electrode sheet, a plurality of cameras arranged at a plurality of detection positions corresponding to the plurality of guide rollers, a controller configured to detect a physical defect of the electrode sheet, based on a signal transmitted from the plurality of cameras, and a plurality of actuators configured to move the plurality of guide rollers in a width direction of the electrode sheet

BATTERY SEPARATOR, SECONDARY BATTERY, AND ELECTRICAL APPARATUS

Resumen de: EP4675823A1

The present application provides a battery separator. The battery separator includes a base film and a ceramic coating located on at least one side of the base film, where a difference between a contact angle of the base film and a contact angle of the ceramic coating is less than or equal to 15 degrees. The battery separator in the present application has high adhesion, high liquid retention, and high ionic conductivity, thereby improving the cycle characteristics and the rate characteristics of a battery.

A CYLINDRICAL BATTERY WITH AN INSULATION ASSEMBLY

Resumen de: EP4675846A1

The present invention provides a cylindrical battery with an insulation assembly, the cylindrical battery comprising: an outer housing; a rolled core accommodated in the outer housing; and an insulation assembly. The insulation assembly is positioned between the outer housing and the rolled core, and is configured to separate a portion of the rolled core from the outer housing, wherein the insulation assembly comprises: an insulating cap and insulating tape; the insulating cap comprises: a neck part, the neck part having a central through hole; a skirt part, the skirt part being perpendicular to the neck part; and a corner part, the corner part connecting the neck part and the skirt part; the insulating tape is used for winding on a side face of an upper part of the rolled core, and the skirt part of the insulating cap at least partially covers the insulating tape. The insulation assembly and the cylindrical battery containing the insulation assembly of the present invention can achieve a lower assembly difficulty, a greater operational displacement tolerance, and can achieve safe and stable assembly and connection of a wound battery.

BATTERY PACK AND DEVICE INCLUDING SAME

Resumen de: EP4675793A1

A battery pack according to one embodiment of the present disclosure comprises: a battery cell stack in which a plurality of battery cells are stacked; a pack case which includes an opening portion whose at least one surface is opened, and in which the battery cell stack is housed; a circuit breaker(CB) member which is located between the battery cell stack and the opening portion, and is electrically connected to the battery cell stack; and a cover member which covers the opening portion, wherein the cover member includes a through hole through which the circuit breaker member is exposed to the outside, and a circuit breaker cover section that opens and closes the through hole.

LITHIUM LANTHANUM ZIRCONIUM OXIDE-BASED CERAMIC, METHOD FOR PRODUCING SAME, AND ALL-SOLID-STATE LITHIUM SECONDARY BATTERY INCLUDING SAME

Resumen de: EP4674827A1

A method for producing a lithium lanthanum zirconium oxide (LLZO)-based ceramic according to an embodiment of the present invention comprises a sintering operation of sintering an oxide sheet that includes LLZO powder particles including the elements lithium, lanthanum, and zirconium. The sintering operation may include a first sintering operation of sintering at a temperature of T₁ and a second sintering operation of sintering at a temperature of T₂ lower than T₁. An LLZO-based ceramic according to another embodiment of the present invention has a relative density of at least 88% and is composed of grains having a size of 1-10 µm, wherein the standard deviation of the grain size is 80% or less of the average grain size, and the grains may have a cubic crystal structure.

ENERGY STORAGE SYSTEM

Resumen de: EP4675880A1

An energy storage system (ESS) includes a plurality of battery units, a plurality of direct current (DC)-DC converters each connected to each of the plurality of battery units to convert an input voltage from a connected battery unit into an output voltage, and a controller configured to control the plurality of DC-DC converters such that a summed voltage of output voltages of the plurality of DC-DC converters is an alternating current (AC) voltage.

METHOD AND SYSTEM FOR CALCULATING HEAT GENERATION OF BATTERY DISCHARGING/CHARGING

Resumen de: EP4675752A1

A method for calculating heat generation of battery discharging/charging includes the following steps: configuring a battery in a heat insulation component; discharging/charging the battery and measuring the temperature during the discharging/charging of the battery to obtain a measured temperature curve; obtaining an Nth-degree curve fitting equation of temperature-time gradient to temperature by curve fitting a cooling phase of the measured temperature curve; substituting the temperatures of the measured temperature curve into the Nth-degree curve fitting equation to obtain temperature compensation values and forming a compensated temperature curve according to the temperatures and the corresponding temperature compensation values; and, calculating the heat generation value of the battery according to the compensated temperature curve and a thermal conversion model of battery discharging/charging. The method is capable of obtaining the temperature curve of battery discharging/charging in a nearly adiabatic condition, to precisely calculate the heat generation value of battery discharging/charging.

ELECTRODE STACK TAPING METHOD, TAPING DEVICE, AND SECONDARY BATTERY

Resumen de: EP4675734A1

The present disclosure provides an electrode stack taping method, a taping device, and a secondary battery. The electrode stack taping method comprises a support tool driving step in which an upper support tool presses an upper side of an electrode stack and a lower support tool presses a lower side of the electrode stack; a unit head driving step in which an upper unit head applies tension to an upper tape by pulling the upper tape away from the electrode stack while a side of the upper tape is attached to the upper side of the electrode stack, and a lower unit head applies tension to a lower tape by pulling the lower tape away from the electrode stack a side of the lower tape is attached to the lower side of the electrode stack. The method may form a secondary battery in which salt extraction is prevented by increased adhesion and fixing force to a plurality of electrode plates.

CURRENT-COLLECTING TABS FOR ELECTRODES

Resumen de: WO2025243189A1

The invention relates to an electrode comprising a metal sheet (1) that comprises - an active portion (3) coated with an active material; - a metal portion (4) free of active material and extending along a longitudinal edge of the metal sheet, this metal portion comprising a current-collecting tab (6) projecting from a longitudinal edge of the active portion; the current-collecting tab comprising - a proximal portion (61) connected to the metal sheet, which portion is intended to be electrically connected to a current collector; - a distal portion (62), the distal portion projecting from the proximal portion; the distal portion comprising - a first lateral edge (63); - a second lateral edge (64) facing the first lateral edge, wherein this second lateral edge converges towards the first lateral edge as it extends away from the proximal portion.

DEGASSING APPARATUS AND DEGASSING METHOD

Resumen de: EP4675729A1

A degassing device according to one example of the present invention is a device for degassing gases inside a battery cell after an activation process of the battery cell including an electrode assembly, which may comprise a degassing pretreatment part provided to irradiate the battery cell with a microwave, for vibrating and heating the gases in the battery cell, and a degassing part provided so that after the microwave irradiation, a gas pocket in the battery cell is pierced and the gases are vacuum-sucked through the pierced portion.

POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, BATTERY AND ELECTRIC DEVICE

Resumen de: EP4675701A1

A positive electrode active material, a preparation method thereof, a positive electrode plate, a battery, and an electric device are provided. The positive electrode active material includes a core and a coating layer. The core includes a sodium-ion transition metal oxide containing the iron element and/or nickel element. In the sodium-ion transition metal oxide, a molar amount of the iron element is denoted as b, a molar amount of the nickel is denoted as c, 0 ≤ b ≤ 0.4, and 0 ≤ c ≤ 0.4. The coating layer is disposed on at least a portion of a surface of the core, the coating layer contains an alkaline sodium compound, and based on a total mass of the positive electrode active material, a mass proportion of the alkaline sodium compound is w%, which satisfies: 0.1 ≤ (b + c)/w ≤ 0.5.

BATTERY MODULE

Resumen de: EP4675830A1

A battery module is disclosed. The battery module of the present invention includes: a plurality of inner bus bars disposed in the bus bar frame and connected to a first electrode lead and a second electrode lead; a first terminal bus bar disposed in the bus bar frame and connected to the first electrode lead; a second terminal bus bar disposed in the bus bar frame and connected to the second electrode lead having an polarity opposite to the first terminal bus bar; a circuit board provided with a plurality of circuit joints; a joint member bonded to the second terminal bus bar; and a wire soldered to the first electrode lead and the circuit joint, or soldered to the joint member and the circuit joint.

SEPARATOR, SECONDARY BATTERY, AND ELECTRICAL DEVICE

Resumen de: EP4675821A1

This application provides a separator, a secondary battery, and an electric apparatus, where the separator includes a first base film, a second base film, and an adhesive layer. The adhesive layer is disposed between the first base film and the second base film. A melting point of the second base film is higher than a melting point of the first base film. A tortuosity of the first base film is greater than a tortuosity of the second base film.

NEGATIVE ELECTRODE AND PREPARATION METHOD THEREFOR, SOLID-STATE BATTERY AND ELECTRIC DEVICE

Resumen de: EP4675698A1

The present invention relates to the technical field of lithium battery materials, and in particular relates to a negative electrode and a preparation method therefore, a solid-state battery and an electric device. The negative electrode comprises a metal lithium layer and a modification layer positioned on at least one surface of the metal lithium layer, wherein the modification layer comprises organic matter and a non-metal lithium compound, the organic matter comprises halogen and an ether group, and the arithmetic average roughness of the modification layer is 0.05 - 1.6 nm. In the negative electrode, the metal lithium layer is modified with the specific organic matter and the non-metal lithium compound, such that direct contact between a solid electrolyte and metal lithium can be reduced, the interface impedance is reduced, and the deposition of lithium ions is facilitated; therefore, the utilization rate of the battery is increased, and the cycle life of the battery is prolonged.

POLYOLEFIN-BASED MICROPOROUS MEMBRANE, METHOD FOR MANUFACTURING THE SAME, AND SECONDARY BATTERY INCLUDING THE SAME

Resumen de: EP4675825A1

Provided are a polyolefin-based microporous membrane or a separator for a secondary battery, a method for manufacturing the same, and a secondary battery including the same. The polyolefin-based microporous membrane or the separator for a secondary battery has a puncture strength of 0.3 N/µm or more, a gas permeability of 0.8×10^-5 Darcy or more, a porosity of 30.0% or more, and a surface roughness of 2.1 µm or less, the surface roughness being a value obtained by selecting 5 random points on a front surface and 5 random points on a back surface, each having an area of 284 µm (width) × 220 µm (length), measuring a maximum height difference (µm, R_max) which is a difference between the highest surface height and the lowest surface height in the area of each point, and adding an average value of values measured in each of the 5 points on the front surface and an average value of values measured in each of the 5 points on the back surface.

BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4675827A1

Disclosed are a battery cell (20), a battery (100), and an electric device. The battery cell (20) includes an electrode assembly (23), a positive electrode lead-out portion (24), a positive electrode connecting assembly (25), a negative electrode lead-out portion (26), and a negative electrode connecting assembly (27); the positive electrode connecting assembly (25) is connected to a positive plate (231) and the positive electrode lead-out portion (24); the negative electrode connecting assembly (27) is electrically connected to a negative plate (232) and the negative electrode lead-out portion (26); a minimum current-carrying cross-sectional area of the positive electrode connecting assembly (25) is smaller than a current-carrying cross-sectional area of the positive electrode lead-out portion (24), a melting point of the positive electrode connecting assembly (25) is smaller than a melting point of the negative electrode connecting assembly (27), and the minimum current-carrying cross-sectional area of the positive electrode connecting assembly (25) is A1, with a unit of mm<2>; the minimum current-carrying cross-sectional area of the negative electrode connecting assembly (27) is A2, with a unit of mm<2>; the melting point of the positive electrode connecting assembly (25) is B1, with a unit of °C, and the melting point of the negative electrode connecting assembly (27) is B2, with a unit of °C; resistivity of the positive electrode connecting assembly (25) is C1, with a

THERMAL MANAGEMENT SYSTEM AND CONTROL METHOD THEREFOR, ENERGY STORAGE SYSTEM, AND ELECTRICAL APPARATUS

Resumen de: EP4675756A1

The present application relates to the field of batteries, and provides a thermal management system and a control method therefor, an energy storage system, and an electric apparatus. The thermal management system comprises a first confluence unit, a second confluence unit, a thermal management unit, and an adjustment apparatus. The first confluence unit comprises at least one liquid outlet; the second confluence unit comprises at least one liquid return port; the thermal management unit comprises a plurality of refrigerating branches, and the plurality of refrigerating branches are respectively in fluid connection with the first confluence unit and the second confluence unit in a parallel mode; the adjustment apparatus is used for adjusting the refrigerating capacity of at least one refrigerating branch among the plurality of refrigerating branches.

POWER STORAGE MODULE

Resumen de: EP4675819A1

A power storage module (10) comprises: a plurality of power storage devices (20); and a housing (30) for accommodating the plurality of power storage devices (20). In a case of abnormality, the power storage devices (20) discharge an internal gas to one side in a first direction. Inside the housing (30), a protective member (40) is provided on the one side in the first direction of the power storage devices (20) located on the one side in the first direction, and a metal/foamed body (50) is provided on a surface, facing the power storage devices (20), in the first direction of the protective member (40).

POWER STORAGE DEVICE

Resumen de: EP4675775A1

Comprised are: an electrode body (10); a cylinder (21); an outer can (20) that has an opening formed at one end of this cylinder (21), and that houses the electrode body (10); and a sealing member (24) that closes the opening. In the opening of the cylinder (21), a ring-shaped groove (23) is formed recessed inward, a bending part (210) bent inward is formed in the margin part of the opening, the peripheral part of the sealing member (24) is sandwiched from both sides by the groove (23) and the bending part (210), and the thickness of a bent part that leads from the margin part extending in the axial direction of the outer can (20) to the bending part (210) that extends facing inward is thicker than at least a portion of the bending part (210).

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY

Resumen de: EP4675707A1

A positive electrode active material for a lithium secondary battery, contains a lithium metal composite oxide and barium sulfate, in which the lithium metal composite oxide is represented by Formula (1).        LiLia(Ni(1-b-c)M1bM2c)1-aO2 ...     (1)(in Formula (1), M1 is at least one element of Co, Mn, or Al, M2 is at least one element of Ti, Zn, Zr, Mg, Ca, B, Si, Nb, W, Mo, Ta, or P, and Formula (1) satisfies -0.1 ≤ a ≤ 0.2, 0 < b ≤ 0.4, 0 ≤ c ≤ 0.4, and 0 < b + c ≤ 0.4)

POWER STORAGE DEVICE

Resumen de: EP4675774A1

The present invention includes an electrode body (10), an outer casing (20) having an opening portion formed on one end side of a tubular portion (21), and the tubular portion (21), as well as a sealing member (24) closing the opening portion. An annular groove portion (23) recessed inward is formed on the opening portion side of the tubular portion (21). A bent portion (210) bent inward is formed in the opening portion. The peripheral edge portion of the sealing member (24) is sandwiched from both sides by the groove portion (23) and the bent portion (210). At an intermediate portion from the outside to the inside of the bent portion (210), there is a thick portion that is thicker than both sides thereof and protrudes toward the sealing member (24).

POWER STORAGE DEVICE

Resumen de: EP4675781A1

This power storage device comprises: an electrode body (10); an outer can (20) housing the electrode body (10) and having a cylinder portion (21) with an opening portion at one end side thereof; and a sealing member (24) closing the opening. A bent portion (210) that is folded inward is formed at the peripheral portion of the opening of the outer can (20). The sealing member (24) includes a plate-like sealing body provided so as to close the opening, and a gasket (33) interposed between the upper surface of the sealing body and the bent portion. A recessed portion (25a) is formed in a part of the sealing body. A protruding portion (33d) is formed in a part of the gasket (33). The protruding portion of the gasket fits in the recessed portion (25a) of the sealing body.

CASING, BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: EP4675809A1

A casing (10), a battery cell (20), a battery (100) and an electric device. A first notch (11) and a second notch (12) are formed on the same wall of the casing (10), the second notch (12) is located on one side of the first notch (11) in the direction of width, the projections of the first notch (11) and the second notch (12) in the direction of thickness of the casing (10) are spaced apart from each other, and the thickness of the casing (10) at the first notch (11) is less than the thickness of the casing (10) at the second notch (12). When the pressure inside the casing is extremely large, the casing (10) can preferentially crack at the first notch (11) and is folded at the second notch (12) to form an opening for pressure relief, thereby reducing the risk of explosion of the battery cell (20).

BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUS

Resumen de: EP4675808A1

A battery cell (200), a battery (400), and an electrical apparatus (500). The battery cell (200) comprises an electrode assembly (300), a housing (60), and a pressure relief part (40). The electrode assembly (300) comprises a positive pole piece and a negative pole piece. The positive pole piece and the negative pole piece are stacked to form a straight flat region (301). The housing (60) is used for accommodating the electrode assembly (300), wherein the housing (60) comprises a first wall part (11) and two second wall parts (12). The two second wall parts (12) are respectively located on two sides of the straight flat region (301). The pressure relief part (40) is arranged on the first wall part (11), and the pressure relief part (40) is formed with a score groove (41). First weak sections (42) and second weak sections (43) are formed at the bottom of the score groove (41), and the thickness of the second weak sections (43) is less than the thickness of the first weak sections (42).

ANODE FOR SECONDARY BATTERY AND SECONDARY BATTERY INCLUDING SAME

Resumen de: EP4675699A1

A negative electrode for a secondary battery according to the present disclosure includes a porous polymer substrate and a negative electrode active material loaded into the porous polymer substrate, wherein the porous polymer substrate has a lattice structure including a line portion and an open portion, wherein each open portion of the porous polymer substrate is filled with the negative electrode active material in whole or in at least part, and wherein the negative electrode active material includes at least one of a lithium metal or a lithium alloy.The negative electrode for the secondary battery including the porous polymer substrate of the lattice structure may have high mechanical strength, and suppress dendrite formation on the negative electrode and volume expansion of the negative electrode during charging and discharging.

BATTERY CELL AND BATTERY DEVICE

Resumen de: EP4675837A1

A battery cell according to one embodiment of the present invention comprises: a cell case; a cathode terminal disposed on one side of the outside of the cell case so as to be insulated from the cell case; an anode terminal spaced apart from the cathode terminal and disposed on the other side of the outside of the cell case so as to be insulated from the cell case; a cell material part disposed inside the cell case and having a cathode tab electrically connected to the cathode terminal and an anode tab electrically connected to the anode terminal; a fuse which is electrically connected to the cathode terminal and the cathode tab and opens during operation to disconnect the cathode terminal and the cathode tab; and a connection part for electrically connecting the cathode tab of the cell material part and the cell case.

BATTERY, ELECTRIC DEVICE AND ENERGY STORAGE DEVICE

Resumen de: EP4675730A1

Embodiments of the present application provide a battery, an electrical device, and an energy storage device, which can improve the service performance of the battery. The battery includes: a battery cell, a first wall of the battery cell being provided with a pressure relief mechanism; an attachment component, a first surface of the attachment component being attached to the first wall by an adhesive; an isolation component connected to the attachment component and configured to prevent the adhesive from being applied between the attachment component and the pressure relief mechanism; and a protective component connected to a surface of the isolation component facing away from the pressure relief mechanism to protect the isolation component; where the attachment component is provided with a first through hole corresponding to the position of the pressure relief mechanism.

POWER STORAGE DEVICE

Resumen de: EP4675791A2

A power storage device (10) includes: a plurality of power storage cells (100); a plurality of heat insulation members (200); an upper cover (320) disposed above the plurality of power storage cells and the plurality of heat insulation members; a cooler (500) disposed on an upper surface of the upper cover; and a shield portion (600) provided between each of the heat insulation members and the upper cover. Each of the plurality of power storage cells includes: an electrode assembly; a cell case that accommodates the electrode assembly; and an external terminal that protrudes from the cell case in a second direction. The shield portion (600) shields a gap between the upper cover (320) and an end portion of each of the heat insulation members (200) in the second direction.

SOLUTION TYPE BINDER, PREPARATION METHOD THEREFOR, AND USE THEREOF

Resumen de: EP4674877A1

The present application discloses a solution type binder, a preparation method therefor, and a use thereof. The preparation of the binder mainly comprises the following steps: first, carrying out emulsion polymerization on an alkyl acrylate monomer, a nitrile monomer, and a functional monomer acid to prepare latex particles, wherein the latex particles are uniform in particle size and rich in polar functional groups, and can be used as seeds for precipitation polymerization; using the nitrile monomer, the functional monomer acid, acrylamide, etc. as precipitation polymerization monomers, and depositing an oligomer, which is generated by reaction, on the surface of a seed polymer under the action of hydrogen bonds and hydrophobicity to form precipitation particles; and neutralizing the precipitation particles and alkali liquor to obtain the solution type binder. The solution type binder provided by the present application is suitable for a negative electrode of a lithium ion battery, and has high bonding strength, a low electrolyte solution swelling degree, certain processing flexibility, a simple preparation process, and good batch stability.

ELECTRODE SHEET, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4675694A1

The present application relates to an electrode sheet, a battery cell, a battery, and an electric device. The electrode sheet includes a current collector, a coating, and an active material layer. The coating is provided on at least one surface of the current collector and includes at least one coating area. The coating area includes a decomposable material. The decomposable material is configured to decompose under at least one condition of charging and discharging of the battery cell. The decomposable material includes at least one of a lithium supplementing material and a pore forming material. The lithium supplementing material includes a lithium ion-containing compound. The active material layer is provided on at least one surface of the current collector and covers the coating.

CHARGING APPARATUS, CHARGING PILE AND CHARGING AND STORAGE SYSTEM

Resumen de: EP4675883A1

This application discloses a charging apparatus, a charging pile, and a charging and storage system. The charging apparatus includes: an energy storage module, where the energy storage module includes one or more energy storage units, each of the energy storage units has a first positive power supply terminal and a first negative power supply terminal, the one or more energy storage units are connected to a second positive power supply terminal and a second negative power supply terminal of the energy storage module via the first positive power supply terminal(s) and the first negative power supply terminal(s), and the energy storage module is configured to provide a first direct current; and a charging module, where the charging module is connected to the second positive power supply terminal and the second negative power supply terminal of the energy storage module, and the charging module is configured to be adapted to provide charging output based on the first direct current; where maximum charging output power of the charging module is greater than or equal to 350 kilowatts, and/or rated charging output power of the charging module is greater than or equal to 290 kilowatts. In this way, configuring the energy storage unit inside the charging apparatus not only can achieve high-power charging such as super charging/fast charging, but also can reduce the costs.

BATTERY CASE BODY, BATTERY AND ELECTRICAL APPARATUS

Resumen de: EP4675799A1

A battery box, a battery (100), and an electric device (200) are disclosed. The battery box has an accommodation space (13), and the battery box includes: a bottom plate (14) provided with a first through hole (15); and a mounting apparatus (30) including a mounting block (31) and a connection structure (32), where the mounting block (31) is disposed on a side of the bottom plate (14) facing the accommodation space (13), the mounting block (31) is aligned with the first through hole (15), the connection structure (32) passes through the first through hole (15) and has one end connected to the mounting block (31), and the other end of the connection structure (32) is configured to be connected to a fixed installation body. This solution addresses the issue in existing battery packs where the mounting portions, due to bearing complex load stress, are prone to unstable connections with the vehicle chassis.

METHOD FOR MULTI-FIELD SYNERGISTIC REPAIR OF RETIRED BATTERY, AND APPARATUS

Resumen de: EP4675751A1

A multi-field synergistic repair method for retired batteries and devices thereof relates to the technical field of battery repair, which comprises the following steps: charging and discharging a retired battery in sequence; the charging and/or discharging are performed under the action of synergistic fields to obtain a regenerated battery; the synergistic fields are at least one of magnetic fields, pressure fields or temperature fields; the charging and discharging are cycled 1 time to 20 times in total. The invention solves the problems of complex process, high cost and poor effect of existing battery recycling processes; the battery performance can be restored to more than 80% of the initial capacity of the new battery, realizing the regeneration of lithium-ion batteries and sodium-ion batteries; the battery regeneration method has the advantages of no need to disassemble the battery, short time, low energy consumption, low cost, and zero emission.

SINGLE-SIDED ELECTRODE FOR SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND ELECTRODE ASSEMBLY AND SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4675695A1

According to an embodiment of the present disclosure, there is provided a one-sided electrode for a secondary battery, in which: the one-sided electrode comprises a current collector, and an active material layer formed on one surface of the current collector, the active material layer comprises a flat portion where the thickness of the active material layer is constant and an inclined portion where the thickness of the active material layer decreases compared to the flat portion, and a tape is attached to a portion corresponding to the inclined portion on the other surface of the current collector of the one-sided electrode, a method for manufacturing the same, and an electrode assembly and a secondary battery comprising the same.

OBJECT LOADING SYSTEM

Resumen de: EP4674795A1

An object loading system of the present invention includes a first stator having a circulation traveling path that sequentially passes through a first section, an acceleration section, and a second section, one or more first loading parts repeatedly circulated through the first section, the acceleration section, and the second section and configured to hold an object disposed in the first section to load the object in the second section, and a controller configured to control the first loading part to be repeatedly circulated through the first section, the acceleration section, and the second section, wherein the controller is configured to control the first loading part to pass through the acceleration section at a faster speed than each of the first section and the second section.

BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Resumen de: EP4675779A1

A battery cell (100), a battery (1000), and an electrical device. The battery cell (100) comprises: an electrode assembly (20), at least one positive electrode sheet (21) and at least one negative electrode sheet (22), wherein the positive electrode sheet (21) and the negative electrode sheet (22) are stacked to form a straight area, and at least part of the positive electrode sheet (21) and at least part of the negative electrode sheet (22) are stacked in a first direction in the straight area; and a casing (10) comprising a first wall portion (11) provided with a pressure relief portion (40) and two second wall portions (12), the two second wall portions (12) being respectively located on two sides of the straight area in the first direction, and the first wall portion (11) being located on a side of the electrode assembly (20) in a second direction. The thickness of the first wall portion (11) in the second direction is greater than the thickness of the second wall portions (12) in the first direction.

BATTERY AND ELECTRICAL APPARATUS

Resumen de: EP4675815A1

The present application provides a battery (10) and an electric apparatus (100), the battery (10) includes a cell (11) and a support member (12), the support member (12) is provided with a configuration compartment (120) and an exhaust compartment (122), the cell (11) is disposed in the configuration compartment (120), the cell (11) includes a housing (113), an electrode (111), and a valve member (112), the valve member (112) is disposed on a side of the housing (113) facing the exhaust compartment (122) and is in communication with the exhaust compartment (122) in an open state, and the electrode (111) is disposed on a side of the housing (113) facing away from the valve member (112).

BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: EP4675807A1

A battery cell (100), a battery (1000) and an electric device. The battery cell (100) comprises: an electrode assembly (20), which comprises at least one positive electrode sheet (21) and at least one negative electrode sheet (22); and a casing (10), which is configured to accommodate the electrode assembly (20), and comprises a first wall portion (11), wherein the first wall portion (11) is provided with a pressure relief portion (40), the pressure relief portion (40) being provided with an indented groove (41), and the pressure relief portion (40) being configured to crack along at least part of the indented groove (41) when the battery cell (100) is subjected to pressure relief; and the thickness dimension of the first wall portion (11) is E1, which satisfies 0.4 mm≤E1≤2 mm.

BATTERY PACK AND ELECTRIC DEVICE

Resumen de: EP4675776A1

A battery pack and an electric device are provided. The battery pack (100) includes a box (10), an electrode post (20), a partition assembly (30), an electrode assembly (40), and an electrolyte, a sealed cavity (11) is defined within the box (10), the electrode post (20) is disposed at the box (10), the partition assembly (30) is disposed within the sealed cavity (11) and partitions the sealed cavity (11) into a plurality of independent mounting cavities (12), the electrode assembly (40) is arranged within at least a part of the mounting cavities (12), and the electrode assembly (40) is electrically connected to the electrode post (20); and the electrolyte is filled within the mounting cavities (12) in which the electrode assembly (40) is placed. By providing the partition assembly (30) within the box (10), the sealed cavity (11) can be divided into a plurality of independent mounting cavities (12) in which at least a part of the mounting cavities (12) are provided with the electrode assembly (40), and the mounting cavities (12) provided with the electrode assembly (40) are provided with the electrolyte, and thus, the space within the box (10) can be fully utilized, and the electrolyte and the electrode assemblies (40) can fully utilize the space in the mounting cavities (12), increasing an utilization rate of a space within the battery pack (100) to increase the grouping efficiency of the battery pack (100).

BATTERY BOX AND BATTERY PACK

Resumen de: EP4675760A1

A battery box (1) and a battery pack are provided. The battery box (1) includes: a bottom plate (10); a side plate (20), where the side plate (20) surrounds a peripheral edge (11) of the bottom plate (10) and is combined with the bottom plate to form an accommodating cavity (30) for accommodating a battery module (70); and a plurality of protrusions (40) disposed in the accommodating cavity (30) and disposed on the bottom plate (10), where the protrusions (40) are protruded from the bottom plate (10) in a first direction (X) and arranged in an array in a second direction (Y) and a third direction (Z), a top portion of each of the protrusions (40) is configured to contact a bottom portion of the battery module (70) to lift the battery module (70).

BATTERY AND ELECTRICAL DEVICE

Resumen de: EP4675801A1

A battery (100) and an electric apparatus are provided. The electric apparatus includes the battery (100). The battery (100) includes a battery unit (10), a box (20), and a reinforcing member (30). The box (20) includes a box body (21) and a first box wall (221) covering an end of the box body (21), and the battery unit (10) is accommodated in a space enclosed by the box body (21) and the first box wall (221). At least part of the reinforcing member (30) is disposed on the first box wall (221), and is fixedly connected to the box body (21). By disposing the at least part of the reinforcing member (30) on the first box wall (221) of the box (20), the structural strength of the first box wall (221) can be improved through the provision of the reinforcing member (30). Furthermore, by fixedly connecting the reinforcing member (30) to the box body (21), the first box wall (221) can be fixed relative to the box body (21) under joint constraint by the reinforcing member (30) and the box body (21). In this way, shaking of the first box wall (221) can be mitigated, thereby reducing abnormal noise in the battery (100).

BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: EP4675804A1

A battery cell (100), a battery (1000), and an electric device. The battery cell (100) comprises: an electrode assembly (20), and a housing (10), the housing (10) comprising a first wall portion (11) and two second wall portions (12), wherein the first wall portion (11) is provided with a pressure relief portion (40), and the pressure relief portion (40) is provided with a notch groove (41) recessed in a second direction; the pressure relief portion (40) is configured to crack along at least part of the notch groove (41) when the battery cell (100) is subjected to pressure relief; and in a first direction, the notch groove (41) is spaced apart from the outer surface of either of the two second wall portions (12).

BATTERY PACK

Resumen de: EP4675766A1

The present technology provides a battery pack including a pack housing including a bottom plate with a cooling channel, and a battery assembly mounted in the pack housing, in which the battery assembly includes a separation structure with a plurality of cell accommodation spaces separated from each other in a first direction, a plurality of battery cells accommodated in the plurality of cell accommodation spaces of the separation structure and extending in a second direction perpendicular to the first direction, and a heat dissipation fin configured to thermally couple at least one of electrode leads of the plurality of battery cells to the bottom plate.

CATHODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4675696A1

The present invention provides a positive electrode for a lithium secondary battery, comprising: a positive electrode current collector; and a positive electrode active material layer positioned on the positive electrode current collector, and satisfying Equation (1) below. Y=10×L/P×T2<7In Equation (1), L is a loading amount (mg/cm²) of the positive electrode, P is a porosity (%) of the positive electrode, and T is a tap density (g/cc) of a positive electrode active material comprised in the positive electrode active material layer.

BATTERY MANAGEMENT DEVICE AND OPERATING METHOD THEREOF

Resumen de: EP4675291A1

A battery management apparatus according to an embodiment disclosed herein includes a voltage measurement unit configured to measure a voltage of each of a plurality of battery banks and a controller configured to calculate a first voltage, which is a voltage variance of each of the plurality of battery banks in a specific period, calculate a second voltage of each of the plurality of battery banks based on a maximum value among first voltages of the plurality of battery banks and an average of the first voltage of each of the plurality of battery banks, and diagnose at least one battery bank among the plurality of battery banks based on an average value of second voltages of the plurality of battery banks and the second voltage of each of the plurality of battery banks.

NEGATIVE ELECTRODE FOR LITHIUM-FREE SECONDARY BATTERY, AND LITHIUM-FREE SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4675743A1

The present disclosure relates to a negative electrode for lithium-free secondary battery and a lithium-free secondary battery comprising the same, which suppress side reactions between the electrolyte and the lithium metal layer electrodeposited on the negative electrode during charging and discharging and thus can improve the efficiency and life characteristics of a lithium-free secondary battery.

BATTERY PACK

Resumen de: EP4675817A1

Disclosed is a battery pack. A battery pack according to an embodiment of the present disclosure may include a case having an open upper surface and providing an internal space; a plurality of battery cells accommodated inside the case; and a pack cover that covers the upper surface of the case and has a flat plate portion and a protrusion protruding upward from the flat plate portion.

COOLING STRUCTURE, BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4675761A1

This application provides a cooling structure, a battery, and an electric apparatus. The cooling structure includes a side plate and a cooling channel disposed on at least one side of the side plate, and the side plate is configured to be deformable toward the side where the cooling channel is located, producing a deformable amount, where the side plate has varying deformable amounts in at least one direction. The side plate is deformable toward the side where the cooling channel is located, producing a deformable amount, where the deformable amount varies at different positions of the side plate. A side surface of a cooled component in contact with the side plate exhibits different degrees of swelling, and the different degrees of swelling exert different magnitudes of resistance force on different regions of the side plate. The varying deformable amounts on the side plate provide swelling spaces required for the different degrees of swelling, allowing the cooled component to swell differently according to changes in internal stress, thereby maintaining the normal service life or extending the service life of the cooled component.

POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

Resumen de: EP4675709A1

Disclosed are a positive electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the positive electrode. The positive electrode includes a current collector, a positive active material layer including a positive active material, and a functional layer between the current collector and the positive active material layer. The functional layer includes an additive configured to decompose at 160 °C or more and configured to fulfill an endothermic function, a thermally expandable polymer, and a conductive material.

BATTERY CELL, BATTERY AND ELECTRICAL APPARATUS

Resumen de: EP4675798A1

A battery cell, a battery, and an electric device are provided, and relate to the field of battery technologies. The battery cell includes a housing and a protruding structure, where the housing defines an accommodating cavity and includes a first housing wall, the protruding structure is disposed on the first housing wall and at least partially protrudes to a side of an outer surface of the first housing wall away from the accommodating cavity, a liquid filling hole is formed in the protruding structure, two ends of the liquid filling hole are an outer hole end and an inner hole end, respectively, which are sequentially disposed along a direction from the outer surface to an inner surface of the first housing wall, and the inner hole end is located on a side of the inner surface of the first housing wall away from the accommodating cavity.

SECONDARY BATTERY

Resumen de: EP4675770A1

The present disclosure relates to a secondary battery capable of additionally supplementing an electrolyte, and at least one problem to be solved is to provide a secondary battery capable of additionally supplementing the electrolyte. To this end, provided is a secondary battery comprising: an electrode assembly including a first electrode plate, a second electrode plate, and a separator; a case accommodating the electrode assembly; a cap plate sealing an upper opening of the case and having an injection hole that is a supply passage for electrolyte; and a safety valve installed on the cap plate, sealing the injection hole by a magnetic force and moving by external force to open the injection hole.

CYLINDRICAL BATTERY

Resumen de: EP4675747A1

This cylindrical battery comprises: an electrode body in which a long positive electrode, which has a positive electrode core body and a positive electrode mixture layer, and a long negative electrode (12), which has a negative electrode core body (12a) and a negative electrode mixture layer (12b), are wound with a separator therebetween; a bottomed tubular exterior can that houses the electrode body; and a sealing body that seals an opening in the exterior can. In a case where the number of windings of the negative electrode (12) is counted from the side where the winding starts on the basis of a range, of the negative electrode (12), opposing the positive electrode via the separator, the negative electrode (12) is wound ten or more times, and in the negative electrode mixture layer (12b), a first mixture layer region (15a), which is located in a winding 25% to 35% through the total number of windings of the negative electrode (12), has a low-density region (14b), in the negative electrode mixture layer (12b), which has a lower density than a second mixture layer region (15b) located on the outside of the first mixture layer region.

CYLINDRICAL BATTERY

Resumen de: EP4675724A1

A cylindrical battery (10) comprises a wound electrode body (14) in which a positive electrode (11) and a negative electrode (12) are wound spirally with a separator (13) interposed therebetween. The negative electrode (12) comprises a negative electrode core body (40), a negative electrode lead (21) joined to a winding-start-side end portion of the negative electrode core body (40), and a negative electrode mixture layer (18) formed on the winding end side relative to the negative electrode lead (21). The negative electrode core body (40) (core body exposed portion (43)) includes a folded portion (45) that is folded in a Z-shape between the negative electrode lead (21) and a winding-start-side end of the negative electrode mixture layer (41).

SECONDARY BATTERY

Resumen de: EP4675723A1

A cylindrical battery (1) comprises an electrode body (10). A positive electrode (11) constituting the electrode body (10) includes an elongated positive electrode core body (13), and a positive electrode mixture layer (14) disposed on the positive electrode core body (13). A plurality of exposed portions (15) where the surface of the positive electrode core body (13) is exposed are provided on the width-direction end of the positive electrode (11) in the length direction of the positive electrode (11). The plurality of exposed portions (15) include a first exposed portion group having, counting from the inner peripheral side of the electrode body 10, first to third exposed portions, and a second exposed portion group having fourth and greater exposed portions, and an average value (L1) of the length of the exposed portions (15) constituting the first exposed portion group is less than an average value (L2) of the length of the exposed portions (15) constituting the second exposed portion group.

CYLINDRICAL BATTERY

Resumen de: EP4675722A1

A negative electrode mixture layer (12b) has an extension section (38) that extends to the winding starting side from the winding inside of a starting end (40) on the winding starting side of a positive electrode (11). A first distance (d1) between the center (40a) of the starting end (40) in the width direction and a mixture layer starting end (50) on the winding starting side of the negative electrode mixture layer (12b) is greater than at least one of a second distance (d2) between one end (40b) of the starting end (40) in the width direction and the mixture layer starting end (50), and a third distance (d3) between the other end (40c) of the starting end (40) in the width direction and the mixture layer starting end (50).

COATING APPARATUS

Resumen de: MX2025013932A

The present invention relates to a coating apparatus comprising: a first block having a receiving part which is open through an open area having a predetermined horizontal length and a predetermined vertical length, and can receive a coating liquid; a second block spaced apart from the first block by a predetermined distance and disposed opposite to the open area of the receiving part; a slot defining the space between the first block and the second block and provided to be able to receive the coating liquid from the receiving part and discharge to the outside; and a plate shim which is disposed in the slot to change the flow of the coating liquid transferred from the receiving part to the slot by closing a portion of the open area of the receiving part, wherein the plate shim may comprise: a width-limiting part which closes a partial area in the horizontal direction from at least one of the side ends in the horizontal direction of the open area of the receiving part; and a height-limiting part which closes a partial area in the vertical direction of the open area of the receiving part.

BATTERY ASSEMBLY AND BATTERY PACK

Resumen de: MX2025013725A

The present application may provide a battery assembly comprising a plurality of battery cells and a cooling member interposed between the plurality of battery cells, wherein the cooling member comprises: a main body portion including a refrigerant flow path provided to allow a refrigerant to flow therein; an inlet portion communicating with the refrigerant flow path and provided to introduce the refrigerant; and an outlet portion communicating with the refrigerant flow path and provided to discharge the refrigerant, and the inlet portion and the outlet portion extend from one side of the main body portion corresponding to the venting direction of the plurality of battery cells.

CONNECTING PIECE, BATTERY AND PUNCH

Resumen de: MX2025012942A

A connecting piece, a battery and a punch. The connecting piece comprises a tab connection portion (101) and an electrode-pole connection portion (102), wherein the electrode-pole connection portion (102) is connected to one side of the tab connection portion (101), and the electrode-pole connection portion (102) is provided with a welding region (103); the welding region (103) is configured to be in contact with welding laser light; a rough surface (104) is provided on the part of the electrode-pole connection portion (102) within the welding region (103); and a plurality of grooves (105) are formed on the rough surface (104), and the shapes and/or sizes of the plurality of grooves (105) are different.

STEEL BATTERY HOUSING AND METHODS OF MANUFACTURING THEREOF

Resumen de: MX2025013799A

A steel battery housing for a vehicle including an internal crash structure attached to two side crash structures. Each crash structure comprises a first plate, a second plate, and a third plate. The crash section of each plate includes a first portion, two secondary portion which extend from the first portion at a first angle, and flange portions which extend from each secondary portion at a second angle.

ELECTROCHEMICAL EXFOLIATION OF GRAPHITE FOR PRODUCTION OF GRAPHENE FLAKES

Resumen de: MX2025012739A

A method for producing graphene. The method includes loading an open-cell porous backbone material with particulate graphite, submersing at least part of the graphite-loaded porous backbone material in a solution, and applying a cathodic potential to the graphite-loaded porous backbone material, wherein the cathodic potential suffices to exfoliate graphene.

FLAME-RESISTANT, COATED FABRIC INSULATOR

Resumen de: MX2025008594A

A flexible thermal insulator having a fabric layer, a flame resistant outer coating bonded to an outer side of the fabric layer, and a pressure-sensitive adhesive layer bonded to an inner side of the fabric layer.

PROCESS FOR THE RECOVERY OF LITHIUM

Resumen de: MX2025013780A

The present invention relates to a process for the concentration of lithium in metallurgical fumes wherein a metallurgical charge is smelted, thus obtaining a molten bath comprising a slag phase and optionally an alloy phase and fuming the lithium from the molten slag, by addition of a halogen intermediate, wherein the halogen intermediate is produced from the Li halide fumed from the molten slag. The halide is thus efficiently re-used in the process, while the lithium is recovered and isolated.

SYSTEMS AND METHODS FOR LITHIUM-ION BATTERY DURABILITY

Resumen de: MX2025014138A

A battery configured to have improved thermal management and structural stability. The battery including a battery pack construction with at least one battery cell spacer having a first surface contacting substantially all of the bottom surface of a first battery cell and a second surface contacting substantially all of the top surface of a second battery cell, the battery cell spacer including an adhesive component. Additionally, the battery may include a battery management system (BMS) in electrical communication with the first and second battery cells, the BMS having one or more thermal components configured to disperse heat from the BMS, and a thermal epoxy contacting the one or more thermal components and a battery housing. The battery further including a stability cage at least partially enclosing the battery pack construction and positioned between the battery cells and the battery housing.

ELECTRODE, MANUFACTURING METHOD THEREOF, AND ELECTROCHEMICAL DEVICE COMPRISING SAME

Resumen de: MX2025013929A

Provided are: an electrode; a manufacturing method thereof; and an electrochemical device comprising same. The electrode comprises a current collector and an electrode active material layer disposed on at least one surface of the current collector, wherein the electrode active material layer contains: granules including an electrode active material and a first binder; and second binder particles.

POSITIVE ELECTRODE ACTIVE MATERIAL AND METHOD FOR PREPARING SAME

Resumen de: MX2025014010A

The present invention provides a positive electrode active material, a method for preparing same, and a positive electrode and lithium secondary battery comprising the positive electrode active material, the positive electrode active material comprising: a lithium nickel cobalt manganese composite oxide which has, among the metals excluding lithium, a nickel content of at least 90 mol%; and a metal element M1 doped into the lithium nickel cobalt manganese composite oxide, wherein the metal element M1 includes two or more elements selected from the group consisting of Al, Zr, and Ti and essentially includes Al, the weight of Al is equal to or greater than 8,000 ppm with respect to the total weight of the positive electrode active material, and the total weight of the metal element M1 is 9,000 ppm to 12,000 ppm with respect to the total weight of the positive electrode active material.

ANODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: MX2025013990A

The present application relates to an anode comprising an anode active material layer that includes a silicon-based active material, wherein, when the cohesion strength is measured at respective positions of 25%, 50% and 75% of the total thickness from a first surface of the anode active material layer on the basis of the total thickness T, which is the distance between the first surface and a second surface that face each other, the average of the measured cohesion strengths is 1 Mpa to 20 Mpa, the deviation of the measured cohesion strengths is 140% or less, and the vertical resistance is 0.005 Ω to 0.3 Ω.

SEAL ELEMENT FOR A PRISMATIC BATTERY CELL LID ASSEMBLY AND LID ASSEMBLY HAVING SUCH SEAL ELEMENT

Resumen de: MX2025012707A

There is described a seal element (14; 14') for a lid assembly (1) apt to close in a fluid-tight manner an inner compartment (3) of a prismatic battery cell, the seal element (14; 14') is configured to be interposed between a current collector (5) of the lid assembly (1) and a base plate (4) of the lid assembly (1) for electrically insulating the current collector (5) and the lid assembly (1) from one another and for fluid-tightly sealing the inner compartment (3), the seal element (14; 14') has a central axis (B), presents a substantially L-shaped semi-profile with respect to the central axis (B), and comprises: an axial collar (15) extending annularly about the central axis (B) and configured to electrically insulate the current collector (5) from the base plate (4); and a radial sealing portion (16) protruding from the collar (15) in a cantilevered manner and configured to fluid-tightly seal the inner compartment (3); the sealing portion (16) includes a main body (17) and a bulge or bump (18) extending from the main body (17) and defining a free end of the sealing portion (16), the bulge or bump (18) has an axial size greater than the axial size of the main body (17).

SYSTEM AND METHOD FOR FILLING A BATTERY CELL WITH LIQUID ELECTROLYTE

Resumen de: MX2025011594A

The present invention relates to a filling head assembly for filling a battery cell with a liquid electrolyte, the filling head assembly comprising a filling head; â¿¿ wherein the filling head comprises a first and a second fluid channel and a valve; â¿¿ wherein the inlet of the first fluid channel is connected to a pump; â¿¿ wherein the inlet of the second fluid channel is connected to a vacuum pump; â¿¿ wherein the outlet of the first fluid channel engages with a filling opening of the battery cell; â¿¿ wherein the valve determines whether the outlet of the first fluid channel is connected to the inlet of the first fluid channel. The present invention also relates to an apparatus comprising the filling head, to a production line comprising the apparatus and to a method for filling a battery cell with liquid electrolyte using the apparatus.

ELECTRODE ASSEMBLY, AND BATTERY AND BATTERY PACK COMPRISING SAME