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ELECTRODE PLATE, ELECTRODE ASSEMBLY, AND RECHARGEABLE BATTERY INCLUDING THE SAME

Resumen de: EP4601051A1

An electrode plate includes: a base layer; a current collecting layer including: a first conductive layer; and a second conductive layer respectively on upper and lower surfaces of the base layer; and an electrode plate layer on at least one surface of the current collecting layer, wherein the current collecting layer includes: a current collecting portion where the electrode plate layer is on at least one surface; an extending portion extending outward from the current collecting portion; and a curved portion connected to the extending portion and having a portion that is bent.

BATTERY PACK

Resumen de: EP4601071A1

A rechargeable battery pack (100) includes a holder (10) with an accommodation space (11a) therein, a plurality of unit battery cells (12) in the accommodation space, a connection tab (20) electrically connecting the plurality of unit battery cells at an upper part of the holder, a busbar (30) including a connector (35) electrically connected to the connection tab and extending to the upper part of the holder, a BMS circuit (60) electrically connected to the connector, and a support (50) between the connector and the BMS circuit, and supporting the BMS circuit on an upper surface of the holder.

RECHARGEABLE BATTERY PACK

Resumen de: EP4601072A1

A rechargeable battery pack (100) includes a holder (10) including a plurality of accommodation spaces therein; a plurality of unit battery cells (12) in the plurality of accommodation spaces; at least one connection tab (20) that electrically connects the plurality of unit battery cells on an upper portion of the holder; a busbar (30) that includes a busbar plate (31a, 33a) electrically connected to the at least one connection tab and extending in a first direction along a side surface of the holder, and a bending connection portion on the upper portion of the holder, the bending connection portion being connected to the busbar plate and bent in a second direction that is perpendicular to the first direction; and a battery management system (50), BMS, circuit on the upper portion of the holder and electrically connected to the bending connection portion.

TEMPERATURE CONTROL METHOD, SYSTEM, DEVICE, AND VEHICLE

Resumen de: EP4600081A1

A temperature control method includes determining (S11) a target temperature regulating system operating normally among a plurality of temperature regulating systems, the temperature regulating system being configured to regulate the temperature of a battery pack, and the battery pack being configured to supply power to the temperature regulating system; determining (S12) a target control strategy matching a first state of the plurality of temperature regulating systems and a second state of a plurality of battery packs; and controlling (S13) the target temperature regulating system to regulate the temperature of the plurality of battery packs according to the target control strategy.

CATHODE ACTIVE MATERIAL, PREPARATION METHOD THEREFOR, CATHODE COMPRISING SAME, AND LITHIUM SECONDARY BATTERY

Resumen de: EP4601038A1

The present disclosure relates to a positive electrode active material of a lithium-rich manganese-based oxide that exhibits improved capacity characteristics as well as excellent life characteristics and rolling characteristics, and a method for preparing the same. The positive electrode active material includes a lithium-rich manganese-based oxide represented by the following Chemical Formula 1, and having a structure in which a rock-salt-type lithium manganese oxide and a layered lithium transition metal oxide are mixed, wherein the lithium-rich manganese-based oxide may have a prescribed internal porosity.        Chemical Formula 1     LiaNibCocMndMeO2in Chemical Formula 1, 1.00

SODIUM ION LAYERED METAL OXIDE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE MATERIAL, AND SODIUM ION BATTERY

Resumen de: EP4601047A1

The present disclosure belongs to the technical field of Na-lon Batteries. Provided are a Na-ion layered metal oxide material and a preparation method thereof, and a cathode material and a Na-lon Battery. The Na-ion layered metal oxide material has a chemical formula being NaxNiaMnbTi(0.5-b)M(0.5-a)O(2-y)Fy (formula I), wherein 0.9≤x≤1.0, 0.3≤a<0.5, 0.3≤b≤0.4, 0.1≤1-a-b≤0.35, and 0≤y<0.1, and M includes at least one of Zn, Mg, Sn, Sb, Y, or Cu. Through the doping of F element and M element, the structural stability of the material is improved. In addition, according to the preparation method of the present disclosure, generation of impure phases can be reduced, and distribution of M element in a finished product is more uniform, such that a cathode plate and NIB containing the Na-ion layered metal oxide material have a high discharging specific capacity and cycling performance.

SINGLE-CRYSTAL TERNARY POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR

Resumen de: EP4600218A1

A single crystal ternary positive electrode material and a method for preparing the same are disclosed, which belong to materials of lithium-ion battery. The method includes: firstly, mix a first lithium source with a single crystal ternary precursor, which are subjected to a first low-temperature sintering stage to form a first sintered material; secondly, mix a second lithium source with the first sintered material, which are subjected to a second low-temperature sintering stage to form a second sintered material; thirdly, subject the second sintered material to a high-temperature sintering and obtain the single crystal ternary positive electrode material. Wherein the first lithium source is lithium carbonate, the temperature of the first sintering stage, the second sintering stage and the high-temperature sintering stage are respectively 600°C ~ 800°C, 600°C ~ 800°C and 900°C ~ 1000°C. Lithium carbonate is used as the first lithium source, and the sintering process is divided into three stages to make the lithium carbonate react more fully with the precursor, which is beneficial to avoiding the disadvantage of low activity of lithium carbonate and reducing the alkali content of the ternary cathode material.

LITHIUM SILICON OXIDE, NEGATIVE ELECTRODE COMPRISING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING NEGATIVE ELECTRODE

Resumen de: EP4600210A1

The present invention relates to a lithium silicon oxide exhibiting suppressed gas generation upon application to an aqueous slurry, a negative electrode including the same, and a lithium secondary battery including the negative electrode, and provides a lithium silicon oxide having peaks with 2θ being 23.8±0.5°, 24.3±0.5°, and 24.7±0.5° in an XRD pattern measured using non-monochromatized CuKα rays, and satisfying Mathematical Equation 1, a negative electrode including the same, and a lithium secondary battery including the negative electrode.

LITHIUM-ION BATTERY ELECTROLYTE, LITHIUM-ION BATTERY AND ELECTRONIC DEVICE

Resumen de: EP4601061A1

Disclosed are a lithium-ion battery electrolyte, a lithium-ion battery and an electronic device. The electrolyte at least includes: a non-aqueous solvent, including a linear carboxylic acid ester solvent; a lithium salt, at least one of which contains sulfur; and an additive, including thiophene, and the content of the thiophene in the electrolyte is 0.1wt% to 3wt%.

BATTERY CELL AND BATTERY DEVICE HAVING THE SAME

Resumen de: EP4601077A1

A battery device includes a cell assembly, including a first battery cell and a second battery cell, stacked in a first direction. The first battery cell and the second battery cell respectively include a receiving portion in which an electrolyte and an electrode assembly are received within a case, and a plurality of extension portions protruding outwardly from the receiving portion in the first direction. The second battery cell is disposed to contact at least one of the extension portions of the first battery cell.

SECONDARY BATTERY AND DEVICE

Resumen de: EP4601024A1

A secondary battery is provided. The secondary battery includes a cathode, an anode, and an electrolyte, wherein the electrolyte includes a fluorine-containing sulfonylimide lithium salt, and the content in percentage by mass of the fluorine-containing sulfonylimide lithium salt is L%, based on the total mass of the electrolyte; and the anode includes an anode active material and a solid electrolyte interface film on the surface of the anode active material, the anode has a compacted density of Y g/cm<3>, the solid electrolyte interface film has a thickness of M nm, and the anode active material has an OI value of N. The secondary battery satisfies: 2.5 ≤ 50LM+15Y+6N≤17. The secondary battery satisfying the defined relationship has excellent low-temperature performance and rate performance.

APPARATUS AND METHOD FOR DIAGNOSING A BATTERY

Resumen de: EP4600680A1

A method for diagnosing a battery according to first aspect of the present disclosure diagnoses a battery assembly including a battery bank provided by connecting a plurality of battery cells in parallel with each other, and the method includes a differential battery bank profile generating step of generating a differential battery bank profile representing a relationship between a differential capacity, which is obtained by differentiating a capacity of the battery bank with respect to a voltage of the battery bank, and the voltage of the battery bank; and a diagnosing step of diagnosing a state of the battery bank based on a difference value between a differential capacity value of a target peak located in a predetermined voltage section among a plurality of peaks of the differential battery bank profile and a differential capacity value of a valley adjacent to the target peak.

APPARATUS AND METHOD FOR DIAGNOSING BATTERY ASSEMBLY

Resumen de: EP4600679A1

A method for diagnosing a battery assembly according to one aspect of the present disclosure diagnoses a battery assembly including a battery bank provided by connecting a plurality of battery cells in parallel with each other, and the method includes generating a second differential profile representing a relationship between a second differential capacity, which is obtained by taking a second derivative of a capacity of the battery bank with respect to a voltage of the battery bank, and the voltage of the battery bank; and detecting a target peak located in a predetermined voltage section among a plurality of peaks of the second differential profile and diagnosing a state of the battery bank based on a second differential capacity value of the target peak.

ELECTRICAL CLEANING MACHINE WITH BATTERY MANAGEMENT SYSTEM

Resumen de: EP4601080A1

The invention is in the field of a mobile installation for street cleaning, also referred to as a cleaning machine for a road or pavement or gutter, for removing undesirable matter from roads or like surfaces, with or without moistening of the surface. These machines are used to remove objects, such as small items, such as leaves, and debris, and dirt from a road or the like, using a broom system for cleaning the road or the like, and typically a storage for removed objects and dirt.

POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRONIC DEVICE

Resumen de: EP4601052A1

A positive electrode plate includes a current collector, and a positive electrode protection layer and a positive active material layer disposed on the current collector in sequence. The positive electrode protection layer includes inorganic particles, a first conductive material, and a binder. The binder includes a water-soluble polymer metal salt. The first conductive material includes a conductive oxide containing a doping element. A first metal element in the conductive oxide includes at least one of a Group IVA metal element and a Group IIIA metal element. The doping element includes at least one of a Group IIIA non-metal element, a Group VA element, or a Group VIIA element. A mass ratio of the doping element to the first metal element is 1: (10 to 200), and a mass ratio of the first metal element to a metal element in the inorganic particles is 1: (3 to 9). The positive electrode plate with the positive electrode protection layer is of high safety and can effectively improve electrochemical performance of the battery during use.

PRESSURE SENSOR, BATTERY CELL, AND ELECTRICAL DEVICE

Resumen de: EP4600622A1

ABSTRACTA pressure sensor (400) including an electrode layer (40) and a sensitive layer (42). The sensitive layer (42) is provided with at least two types of protrusion structures (422) of different heights. Each type of the protrusion structure (422) includes at least one protrusion. Each protrusion is located on a side of a base layer (420) facing the electrode layer (40), and the area of contact between each protrusion and the electrode layer (40) is configured to vary with changes in pressure applied to the electrode layer (40). In this way, the pressure sensor (400) can adapt to detection environments under various pressures, thereby effectively increasing the detection range of the pressure sensor (400) and improving the detection sensitivity of the pressure sensor (400). Further provided is a battery cell (20) and an electrical device.

BATTERY CASE

Resumen de: EP4601091A1

The present disclosure relates to a battery box, including: a case, where a top portion of the case is provided with an opening; and a top cover including a cover body; where the top cover further includes a boss connected to an edge of the cover body, and the boss is welded to the case to co-seal the opening with the cover body; the boss has a first top portion and an opposite first bottom portion, the cover body has a second top portion and an opposite second bottom portion, a distance between the first top portion and the first bottom portion is greater than a distance between the second top portion and the second bottom portion, and the first bottom portion is provided with a guide portion.

POSITIVE ELECTRODE MATERIAL, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: EP4601033A1

The present disclosure relates to the technical field of the battery, and specifically to a cathode material and a preparation method therefor, and use thereof. The cathode material of the present disclosure has a core-shell structure, wherein a core layer includes elements Li, Ni, M, Q, and O; a shell layer includes elements X and A; the core layer has a transition layer with an oxygen vacancy; the oxygen vacancy can be detected by XPS; an XPS peak position is at 529~533 eV; and the transition layer is close to the shell layer, wherein the element M includes at least one of Co, Mn, and Al; the element Q includes at least one of Mo, Nb, W, Ta, and B; the element X includes at least one of Mo and B; and the element A includes at least one of C, S, and N. In the cathode material of the present disclosure, the shell layer on the surface can improve the electronic conductivity, and the transition layer has the oxygen vacancy defect, which can effectively reduce the trend of the oxygen release. Through the coordination and cooperation of each layer structure, the cathode material has excellent structure stability and high capacity.

Module d’alimentation

Resumen de: FR3159049A1

L’invention concerne un module d’alimentation (1) comportant un vase d’expansion pour liquide (2) et un vase d’expansion pour air (3). Le vase d’expansion pour li-quide (2) et le vase d’expansion pour air (3) sont formés dans un boîtier (4) commun. Figure pour l’abrégé : (Figure 1)

Agencement de régulation de température permettant de réguler la température d’un composant, en particulier d’un véhicule électrique à batterie

Resumen de: FR3159051A1

L’invention concerne un agencement de régulation de température (20) permettant de réguler la température d’un composant (22). L’agencement de régulation de température (20) comprend un circuit de régulation de température (21) dans lequel un agent de régulation de température (T) peut circuler et dans lequel est disposé le composant (22) dont la température doit être régulée, de sorte que de la chaleur peut être transmise entre ledit composant (22) et l’agent de régulation de température (T). En outre, l’agencement de régulation de température (20) comprend un dispositif de transport (23) permettant d’entraîner l’agent de régulation de température (T) dans le circuit de régulation de température (21). En outre, l’agencement de régulation de température (20) comprend un récipient de stockage (1) disposé dans le circuit de régulation de température (21) et permettant le stockage intermédiaire de l’agent de régulation de température (T). Le récipient de stockage (1) comprend un boîtier (2) qui entoure un espace intérieur de boîtier (3) pouvant être traversé par l’agent de régulation de température (T) et permettant de recevoir l’agent de régulation de température (T). En outre, le récipient de stockage (1) comprend une entrée pour fluide (5) disposée sur le boîtier (2) et présentant une ouverture d’entrée (4), laquelle entrée pour fluide permet d’introduire l’agent de régulation de température dans

Vase d’expansion pour liquide

Resumen de: FR3159048A1

L’invention concerne un vase d’expansion pour liquide (1) comportant un espace de réception (3) permettant de recevoir le liquide de refroidissement et un espace de trop-plein (4) permettant de recevoir le liquide de refroidissement en excès provenant de l’espace de réception (3). L’espace de réception (3) et l’espace de trop-plein (4) sont alors reliés de manière fluidique par l’intermédiaire d’un canal de trop-plein (5). Figure pour l’abrégé : Fig. 1

Structure à circulation de fluide caloporteur

Resumen de: FR3159008A1

Titre : Structure à circulation de fluide caloporteur L’invention concerne une structure à circulation de fluide caloporteur (1) configurée notamment pour former un dispositif de régulation thermique (100) pour le refroidissement et/ou le chauffage de composants dont le fonctionnement est sensible à la température, ces composants étant notamment destinés au stockage d’énergie et pouvant être des cellules de batterie, la structure à circulation de fluide caloporteur (1) comportant au moins un canal de circulation de fluide caloporteur (10) formé entre une première plaque (3) et une deuxième plaque (5) soudées entre elles, le long d’au moins une ligne de soudure laser (4), le canal (10) présentant au moins une zone morte (8) à une jonction entre les première plaque (3) et deuxième plaque (5), la zone morte (8) étant comblée par un matériau de comblement (20) distinct des matériaux des première plaque (3) et deuxième plaque (5). Figure pour l’abrégé : Figure 1

SYSTEME DE TRACTION DE VEHICULE ELECTRIQUE OU HYBRIDE COMPRENANT DEUX BOUCLES DE FLUIDE DE RÉGULATION THERMIQUE

Resumen de: FR3158911A1

Système de traction de véhicule électrique ou hybride comprenant un circuit de régulation thermique comportant une première boucle de circulation (8) disposant d’une première pompe de circulation de fluide (20), d’au moins un refroidisseur (22) ou un réchauffeur (24), d’une batterie de traction (26) et d’une première vanne de distribution du fluide (6), comportant une deuxième boucle de circulation (12) disposant d’une deuxième pompe de circulation de fluide (32), de composants électriques (34) comprenant une machine de traction, d’un échangeur thermique vers l’extérieur (38) et d’une deuxième vanne de distribution du fluide (10), la première boucle (8) et la deuxième boucle (12) comportant des fluides qui sont différents, et une motorisation commune (16) actionnant en même temps les deux vannes de distribution (6, 10). Figure 1

Procédé de contrôle de la température d’au moins une capacité adaptée pour un chargeur embarqué.

Resumen de: FR3159047A1

L’invention concerne un procédé pour optimiser la durée de vie d’au moins une capacité d’un module de capacités (400) d’un dispositif électronique (100), ledit dispositif électronique (100) étant adapté pour charger une batterie haute tension (600) d’un véhicule électrique, ledit dispositif comportant un circuit correcteur de facteur de puissance (300), un convertisseur continu-continu DC/DC (500), un dispositif de refroidissement (700) adapté pour refroidir au moins une capacité du module de capacités (400), un second capteur de température (910) disposé sur au moins une capacité du module de capacités (400) et adapté pour mesurer une température réelle de ladite au moins une capacité, le procédé comportant les étapes suivantes : une première étape a1) consistant à activer le chargeur (100) pour charger la batterie haute tension (600),une deuxième étape a2), consistant à charger la batterie haute tension (600) par le chargeur (100) avec une première puissance de consigne (P1_cons). Figure pour l’abrégé : Fig 3.

DALLE DE REFROIDISSEMENT POUR UN BAC DE BATTERIE À BARRETTES DE CONNEXION INTÉGRÉES

Nº publicación: FR3159050A1 08/08/2025

Solicitante:

STELLANTIS AUTO SAS [FR]
STELLANTIS AUTO SAS

Resumen de: FR3159050A1

L'invention porte sur une dalle de refroidissement (5) pour un bac de batterie comportant : - une première plaque (14.1) de forme plane, - une deuxième plaque (14.2) ayant au moins une zone de forme ondulée destinée à définir au moins en partie des canaux de refroidissement, et - au moins une barrette de connexion (13) liée mécaniquement à la première plaque (14.1) par l'intermédiaire d'un élément intercalaire (16) électriquement isolant disposé entre la première plaque (14.1) et la barrette de connexion (13). Figure 5