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1362
resultados
Última actualización
27/11/2025 [07:22:00]
Resultados 25 a 50 de 1362
Resumen de: DE102024114766A1
Es wird eine Batterie (1), vorzugsweise eines Kraftfahrzeugs (100), aufweisend einen Kühlkreislauf (2) zum direkten Kühlen von Komponenten (16) der Batterie (1) mit einem Kühlmittel (10) vorgeschlagen, wobei die Batterie (1) eine, mit dem Kühlkreislauf (2) verbundene, Abscheidevorrichtung (3) zum Abscheiden von Wasser (11) aus dem Kühlmittel (10) aufweist, wobei die Abscheidevorrichtung (3) ein Wasserreservoir (4) zum Auffangen des abgeschiedenen Wassers (11) aufweist, wobei an dem Wasserreservoir (4) ein Sensor (5) zum Ermitteln des Wasserstandes im Wasserreservoir (4) angeordnet ist. Ferner werden ein Kraftfahrzeug (100) sowie ein Verfahren zum Betrieb einer Batterie (1) vorgeschlagen.
Resumen de: DE102024114086A1
Akkumulatoreinheit (1), umfassend ein Griffgehäuse (2) mit einem Betätigungsriegel (3), einen Einschubschaft (4) mit mindestens einer Strom- und/oder Datenschnittstelle (5), sowie zumindest einer Batteriezelle (10), wobei der Einschubschaft (4) entlang einer Einschubachse (11) aus dem Griffgehäuse (2) herausragt, wobei die zumindest eine Batteriezelle (10) in dem Einschubschaft (4) angeordnet ist und sich in das Griffgehäuse (2) erstreckt, wobei um den Einschubschaft (4) in einem Innenraum des Griffgehäuses (14) ein umlaufender Kühlluftspalt (8) gebildet ist, wobei der Betätigungsriegel (3) in den umlaufenden Kühlluftspalt (8) ragt. Weiter wird ein Set vorgeschlagen, umfassend eine solche Akkumulatoreinheit (1) sowie mindestens eine passend eingerichtet Ladeeinrichtung (17) und eine passend eingerichtet Entladeeinrichtung (22).
Resumen de: DE102024204746A1
Die vorliegende Erfindung betrifft eine Kühlereinheit zur Kühlung von Leistungshalbleiterbauteilen. Die Kühlereinheit umfasst ein Einlasselement, ein Auslasselement, ein Gehäuseelement mit einem Kühlkanal, wobei der Kühlkanal eingerichtet ist, ein Kühlmittel von dem Einlasselement zu dem Auslasselement zu leiten. Des Weiteren umfasst die Kühlereinheit ein Fluidleitelement, welches in dem Gehäuseelement angeordnet ist. Dabei ist das Fluidleitelement dazu eingerichtet, einen ersten Strömungskanal mit einer ersten Strömungsrichtung und einen zweiten Strömungskanal mit einer zweiten Strömungsrichtung auszubilden, wobei sich die erste Strömungsrichtung und die zweite Strömungsrichtung unterscheiden.
Resumen de: DE102024001680A1
Die Erfindung bezieht sich auf ein Verfahren zur Herstellung von Kathodenaktivmaterial für Festkörperbatterien, umfassend die Schritte: (A) Herstellen einer Lösung, die Kathodenaktivmaterial, eine Sol-Gel-Vorstufe zur Bildung einer Beschichtung aus Nanopartikeln auf dem Kathodenaktivmaterial und ein Lösungsmittel aufweist; (B) Einstellen des pH-Werts der Lösung auf einen Wert im Bereich von 8 bis 10 und Ausbilden einer Beschichtung aus Nanopartikeln auf der Oberfläche des Kathodenaktivmaterials durch Erhitzen der Lösung von Schritt (A) auf eine Temperatur oberhalb der Siedetemperatur des Lösungsmittels und Rühren mit einer Rührgeschwindigkeit im Bereich von 100 bis 350 U/min unter Abdampfen des Lösungsmittels; und (C) Wärmebehandeln des in Schritt (B) erhaltenen beschichteten Kathodenaktivmaterials. Das erfindungsgemäß hergestellte beschichtete Kathodenaktivmaterial für eine Festkörperbatterie zeichnet sich durch besonders vorteilhafte elektrochemische Eigenschaften aus, insbesondere wird eine anfängliche Kapazitätsverringerung einer Festkörperbatterie deutlich minimiert und die Ladeerhaltung beim Entlade-/Auflade-Zyklus deutlich verbessert.
Resumen de: DE102025138970A1
Die Erfindung betrifft einen Kraftwagen (12) mit einer Hochvoltbatterie (14), welche ein Batteriekühlsystem (10) mit einem Kühlmittel aufweist, wobei das Batteriekühlsystem (10) wenigstens eine Speichereinrichtung (20) für das Kühlmittel und ein Leitungssystem (28) mit einer Pumpe (18) umfasst, wobei die Speichereinrichtung (20) über das Leitungssystem (28) mit der Hochvoltbatterie (14) fluidisch verbunden ist und wobei die Speichereinrichtung (20) in einer Karosseriestruktur des Kraftwagens (12) angeordnet ist, wobei das Leitungssystem (28) wenigstens teilweise durch einen als Rahmen- oder Crashstruktur verwendeten Längshohlraum der Karosseriestruktur gebildet ist, wobei der Längshohlraum einen Druckspitzenabsorber (48) aufweist, der dazu ausgebildet ist, bei einem Anprall druckinduzierte Stoßwellen des Kühlmittels wenigstens teilweise zu dämpfen, sodass ein Kühlmittelaustritt verhindert ist. Ferner betrifft die Erfindung ein Verfahren.
Resumen de: DE102024114202A1
Die Erfindung betrifft ein Verbindungselement zur Positionierung von Komponenten einer Abdeckanordnung für eine elektrochemische Zelle und/oder zur Einstellung eines Widerstands zwischen einer ersten Komponente mit einem ersten Potential und einer zweiten Komponente mit einem zweiten Potential einer Abdeckanordnung für eine elektrochemische Zelle, wobei das Verbindungselement zumindest eine Öffnung, die von einer Innenfläche des Verbindungselements (100) begrenzt wird, zumindest einen elektrisch leitfähigen, aus einer ersten elektrisch leitfähigen Materialzusammensetzung bestehenden oder zumindest abschnittsweise daraus gebildeten Abschnitt und zumindest einen elektrisch isolierenden, aus einer elektrisch isolierenden zweiten Materialzusammensetzung bestehenden oder zumindest abschnittsweise daraus gebildeten Abschnitt umfasst.
Resumen de: DE102025118332A1
Ein Hauptziel der vorliegenden Erfindung ist es, eine Elektrolytlösung bereitzustellen, die eine gute Oxidationsbeständigkeit aufweist und in der Lage ist, einen Anstieg des spezifischen Widerstands der Batterie zu unterdrücken. Die vorliegende Erfindung erreicht das Ziel, indem sie eine Elektrolytlösung bereitstellt, die in einer Lithium-Ionen-Batterie verwendet wird, dadurch gekennzeichnet, dass die Lithium-Ionen-Batterie ein Lithiummetall als aktives Material für die Anode enthält, die Elektrolytlösung eine organische Elektrolytlösung und eine anorganische Elektrolytlösung enthält und die anorganische Elektrolytlösung ein Lithiumsalz und Schwefeldioxid (SO2) enthält.
Resumen de: EP4654350A1
The present disclosure relates to a battery housing, comprising at least one pair of battery cells, the battery cells being arranged side by side and spaced apart from each other by a geometric gap, a top cover having an inner surface facing in a direction towards the battery cells, the inner surface being arranged at a distance from the at least one pair of battery cells, and an elongated spacer element extending from the inner surface of the top cover and into the geometric gap between the battery cells, wherein a first ventilation channel is formed by the spacer element and the top cover, the first ventilation channel comprising a first outlet in the housing towards an ambient environment.
Resumen de: EP4653899A1
A data processing unit is configured to calculate, on a time-series basis, the voltage difference between a reference voltage and the minimum voltage of a plurality of cells or cell blocks included in a battery pack and connected in series. A determination unit is configured to, when an increasing rate of the voltage difference is equal to or greater than a threshold, determine that a micro short circuit has occurred in the cells or cell blocks having the minimum voltage. The data processing unit calculates the increasing rate of the voltage difference by using voltage data in a period in which the State-Of-Charge (SOC) of the battery pack is within a predetermined SOC range.
Resumen de: EP4653394A1
Disclosed herein are lithium-cobalt-based composite oxide particles useful as a positive electrode active material for non-aqueous lithium secondary batteries, all-solid-state batteries, and the like. The lithium-cobalt-based composite oxide particles contain lithium-cobalt composite oxide fine particles having an average particle diameter of 0.10 to 2.00 µm as measured by SEM observation and a water-soluble lithium compound, wherein the water-soluble lithium compound is attached to at least part of particle surfaces of the lithium-cobalt composite oxide fine particles.
Resumen de: EP4654284A1
The present invention is a negative electrode including a negative electrode current collector having a roughened surface, and a negative electrode active material provided on the negative electrode current collector, in which the negative electrode active material contains negative electrode active material particles including a compound of lithium, silicon, and oxygen, the negative electrode active material particles are represented by SiOxLiy, a value "x" is 0.8 or more and 1.2 or less, and a value "y" is 0.5 or more and 3.4 or less, the negative electrode active material has a multilayer structure composed of two or more layers, and in Si 2p binding energy obtained by an X-ray photoelectron spectroscopy analysis of an interior of each layer in the negative electrode active material having the multilayer structure, an intensity of a peak A obtained in a vicinity of 98 eV and an intensity of a peak B in a vicinity of 100.5 eV have a relation in which (the intensity of the peak A ) ≥ (the intensity of the peak B). This provides the negative electrode capable of significantly increasing capacity while maintaining battery characteristics and the method for producing a negative electrode that can produce such a negative electrode.
Resumen de: EP4654376A1
A battery module (1A) includes a battery cell (100), a positive electrode bus bar (230A) electrically connected to the battery cell (100), a housing body (30A) exposing at least a portion of the positive electrode bus bar (230A) and housing the battery cell (100), and an insulator (400A) covering at least a portion of the housing body (30A) around the at least a portion of the positive electrode bus bar (230A).
Resumen de: EP4654291A1
A positive electrode active material according to the present invention includes a lithium nickel-based oxide containing nickel (Ni) and cobalt (Co) and having a molar ratio of the Ni to total transition metals of 80 mol% or more; and a cobalt-containing coating layer formed on a surface of the lithium nickel-based oxide, wherein the lithium nickel-based oxide is in a form of a single particle composed of one single nodule or a pseudo-single particle that is a composite of 30 or less nodules, the cobalt-containing coating layer is included in an amount of 2.0 mol% or more based on 100 moles of the lithium nickel-based oxide, and the positive electrode active material has a D<sub>50</sub> of 3.7 µm to 6.0 µm, a residual LiOH content of 0.20 wt% or less, and a Co/Ni ratio at a depth of 45 nm from a surface thereof of 0.15 to 0.40.
Resumen de: EP4654309A1
The present disclosure relates to a manufacturing method for a secondary battery capable of improving process efficiency by reducing the amount of cases removed in the manufacturing process and by reducing the space required for the manufacturing process, and a pouch cell used therein.The pouch cell according to the present disclosure may include an electrode assembly, a degassing member removing gas generated in the electrode assembly, and a pair of cases accommodating the electrode assembly and the degassing member therein, wherein at least one of the pair of cases may include a cup portion molded to accommodate the electrode assembly and a terrace portion forming an edge of the cup portion, and the degassing member may be disposed on the terrace portion.
Resumen de: EP4654351A1
A battery shell, a battery cell, a battery, and an electrical device. The battery shell comprises a shell side wall and a shell end wall, which are mutually connected, wherein an attachment weld is provided at the joint between the shell side wall and the shell end wall and is positioned at an end face of the battery shell. The battery shell further comprises an insulating protective film and an insulating coating, wherein the outer side of the shell side wall is connected to the insulating protective film, and the outer side of the attachment weld is covered with the insulating coating. The battery shell provided in the embodiment of the present application covers the attachment weld in the form of the insulating coating for protection, and the insulating protective film is thus not required to be turned over, such that the coating process of the insulating protective film is simpler to operate, and the problem of the attachment weld being corroded can be more reliably ameliorated.
Resumen de: EP4654365A1
The present disclosure relates to a battery pack including: a plurality of battery cells; a pack case configured to accommodate the plurality of battery cells; and a venting device provided in the pack case and configured to generate forcible convection to discharge venting gas inside the pack case to the outside of the pack case.
Resumen de: EP4654375A1
Disclosed are a cylindrical battery cell, and a battery pack and a vehicle including the same.A cylindrical battery cell according to an embodiment of the present disclosure includes an electrode assembly having a structure in which a positive electrode plate provided with a positive electrode tab, a negative electrode plate provided with a negative electrode tab, and a separator interposed between the positive electrode plate and the negative electrode plate are wound in one direction, and having a center hole formed therein; a cylindrical battery can configured to store the electrode assembly with an electrolyte injected thereinto; and an insulator for electrical insulation having a central opening formed therein and disposed on a side of the negative electrode tab, wherein at least a part of the negative electrode tab is configured to rotate according to a change in the electrode assembly during charging and discharging.
Resumen de: EP4653395A1
The present invention includes a positive electrode active material for a secondary battery, comprising a composite metal hydroxide precursor represented by Chemical Formula (1) below: wherein the precursor includes a secondary particle composed of a plurality of primary particles; wherein each primary particle is formed as a bundle of micro primary particles; wherein, when observed via a transmission electron microscope, the major axis direction of the micro primary particles coincides with the major axis direction of the primary particles; and wherein each micro primary particle has a thickness of about 1 nm to about 50 nm. Chemical Formula 1 (NixCoyMn1-x-y)(OH)2 (0.40≤x≤0.96, 0≤y≤0.15)
Resumen de: EP4654308A1
Embodiments of this application disclose a battery cell (20), a battery (10), an electric device, and a method for assembling a battery (10). The battery cell (20) is configured for use in a battery (10), the battery cell (20) including: a first wall (201), the first wall (201) being provided with a recess (2012) recessed toward the interior of the battery cell (20), and the recess (2012) being configured to accommodate a first component (12) of the battery (10). By providing a recess (2012) on the first wall (201) that is recessed toward the interior of the battery cell (20), the embodiments of this application can reduce the space occupied by the battery cell (20); and utilizing the recess (2012) to accommodate the first component (12) of the battery (10) enables effective use of space within the battery cell (20) that was previously underutilized, making the structure of each component of the battery (10) more compact, and enhancing the space utilization rate and energy density of the battery (10). The battery cell (20), battery (10), electric device, and method for assembling a battery (10) of the embodiments of this application can enhance battery (10) performance.
Resumen de: EP4654364A1
Disclosed are a battery pack and a vehicle including the same. The battery pack includes a battery module in which a plurality of battery cells are accommodated and a venting portion is formed; and a pack case in which the battery module is accommodated, and a flame discharge channel may be formed adjacent to the venting portion of the battery module between the battery module and the pack case.
Resumen de: EP4653888A1
A battery system and a method of operating the same according to the exemplary embodiments of the present invention recognize and execute updated control logic from a control logic generating device by a virtual machine in real time to enable execution of the updated control logic without interrupting a battery management system, thereby providing software capable of performing highly efficient battery management operation.
Resumen de: EP4654762A1
A fixing connection assembly, an electronic device, and an electric power system are provided, which relate to the technical field of electrical technology. In the fixing connection assembly, a limiting structure includes an insulating seat and a limiting member, and the insulating seat is provided with an accommodation cavity and a first hole in communication with the accommodation cavity. The limiting member is accommodated inside the accommodation cavity. The insulating seat is configured to be arranged at a second hole of an electrical structure. A first connector is configured to pass through a third hole of a to-be-connected structure, the second hole, and the first hole. One end of the first connector is connected to the limiting member, and the other end of the first connector is connected to the to-be-connected structure at the third hole, such that a position of the electrical structure relative to a position of the to-be-connected structure is fixed. The to-be-connected structure includes a first housing, and the electrical structure is located inside a mounting cavity of the first housing. At least an inner surface of the first housing is insulated from the electrical structure. The electrical structure and the to-be-connected structure can be reliably connected to each other, and a leakage conductive path of the electrical structure formed by a fixing connection structure can be avoided, thereby reducing safety hazards.
Resumen de: EP4654282A1
The present application discloses a negative electrode plate and a preparation method therefor, a battery cell, a battery, and an electric device. The negative electrode plate includes a negative electrode substrate and an organic-inorganic composite layer located on at least one surface of the negative electrode substrate, the negative electrode substrate includes a first substrate layer close to the organic-inorganic composite layer, the first substrate layer includes a first metal material, the first metal material includes one or a plurality of elemental lithium or a lithium alloy, the organic-inorganic composite layer includes a polymer and a first inorganic component, the first inorganic component includes one or a plurality of LiI, LiF, Li<sub>2</sub>S, Li<sub>3</sub>N, or Li<sub>3</sub>P, and the peel strength between the organic-inorganic composite layer and the negative electrode substrate is greater than or equal to 500 N/m.
Resumen de: EP4654316A1
Provided in the present application are a secondary battery and a preparation method therefor, and an electric device. The secondary battery comprises a positive electrode sheet, a separator, a negative electrode sheet and an electrolyte, wherein the separator is arranged between the positive electrode sheet and the negative electrode sheet; the electrolyte comprises an electrolytic solution and a first gel electrolyte membrane; the first gel electrolyte membrane is arranged between the negative electrode sheet and the separator; a solidification ratio of the electrolyte is 60%-95%; the thickness of the first gel electrolyte membrane is aµm; and the surface capacity of the negative electrode sheet is b mAh cm<sup>-2</sup>, and a/b is 0.1-1.5. The secondary battery of the present application not only has relatively good cycle performance, but also has a relatively high volume energy density.
Nº publicación: EP4654358A1 26/11/2025
Solicitante:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
Contemporary Amperex Technology Co., Limited
Resumen de: EP4654358A1
This application provides a battery cell, a battery, and an electric apparatus. The battery cell includes a housing configured to accommodate an electrode assembly, where the housing includes a wall portion, an outer surface of the wall portion is provided with an accommodating groove extending along a first direction, a bottom wall of the accommodating groove is provided with a first through hole, and the first through hole is configured for communication between an internal space of the housing and an accommodating cavity of the accommodating groove; a gas-permeable assembly, at least partially disposed in the accommodating groove and spaced apart from the bottom wall of the accommodating groove, where the gas-permeable assembly includes a fixing member and a gas-permeable film, the fixing member is connected to the wall portion, the fixing member is provided with a second through hole extending along the first direction, the gas-permeable film includes a covering portion and a connecting portion disposed around the covering portion, the covering portion covers the second through hole along the first direction and is configured to discharge gas inside the battery cell, and the connecting portion is connected to the fixing member; and a support member, at least partially clamped between the bottom wall of the accommodating groove and the connecting portion. The battery cell has good air tightness and high reliability.
BOPI
Sede Electrónica
