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NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: US20260031484A1

A nonaqueous electrolyte secondary battery according to one embodiment of the present disclosure is provided with: an electrode body; a bottomed cylindrical outer package can; a sealing body; an insulating plate which is positioned between the electrode body and a bottom part of the outer package can; and a spacer which is positioned between the insulating plate and the bottom part of the outer package can. The sealing body has a safety valve which releases an internal pressure of the outer package can. The spacer has a plurality of grooves in at least one of insulating plate-side surfaces, the plurality of grooves extending in one direction. The plurality of grooves are formed at a distance from each other in another direction that is perpendicular to the one direction.

ELECTRODE ASSEMBLY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: US20260031477A1

The present disclosure relates to an electrode assembly and a lithium secondary battery including the same, wherein the electrode assembly includes a negative electrode including a negative electrode active material layer; a positive electrode including a positive electrode active material layer; a separator; and a pore closure portion, wherein the separator is disposed between the negative electrode and the positive electrode, wherein a width of the negative electrode active material layer is greater than a width of the positive electrode active material layer, wherein the separator includes a separator main body portion that overlaps the positive electrode active material layer in a vertical direction and a separator extension portion that does not overlap the positive electrode active material layer in the vertical direction and extends from the separator main body portion, and wherein the pore closure portion is disposed on one surface or both surfaces of the separator extension portion and has a porosity of 1% or less.

SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME

Resumen de: US20260031483A1

A secondary battery includes an electrode assembly including an alternately stacked plurality of laminates, the electrode assembly including a first electrode plate, a separator, and a second electrode plate, and an electrode tab group, the electrode tab group including a plurality of electrode tabs of at least one of the first electrode plate or the second electrode plate, a can that accommodates the electrode assembly and has one open end, a cap plate that is coupled to the one open end of the can and has a through-hole therein through which the electrode tab group passes, and a fixture configured to fix the electrode tab group passing through the through-hole to the cap plate.

CONNECTING PIECE AND BATTERY PACK

Resumen de: US20260031487A1

A connecting piece (3) and a battery pack (100) are provided. The connecting piece (3) is configured to connect two battery modules (2) arranged side by side, where a positive electrode of one battery module (2) faces a negative electrode of the other battery module (2). The connecting piece (3) is a “U” shaped structure and includes two connecting bodies (30) that are parallel to each other and spaced apart, and the two connecting bodies (30) of the connecting piece (3) are respectively connected to the positive electrode and the negative electrode facing each other of the two battery modules (2) to couple the two battery modules (2) in series.

Extruded Shell, Battery Pack, and Method for Assembling Battery Pack

Resumen de: US20260031454A1

The embodiments of the present disclosure provide an extruded shell, a battery pack, and a method for assembling a battery pack. The extruded shell comprises a bottom plate, a T-shaped plate, and two side plates. Both side plates are connected to the bottom plate. At least one side plate extends to form a top-limiting edge. The T-shaped plate is connected to the bottom plate, and multiple single battery cells are configured to be mounted between the T-shaped plate and the side plates. The bottom plate, side plates, top-limiting edge, and T-shaped plate are integrally extruded and molded.

BATTERY PACK

Resumen de: US20260031455A1

A battery pack according to an embodiment of the present invention may include a housing, in which an accommodation space in which a secondary battery is accommodated is defined, and a switching part, which is mounted on the housing and elastically deformed according to pressure of the accommodation space to adjust communication between the accommodation space and an external space of the housing, so that the battery pack is deformed according to internal pressure to discharge an internal material such as internal gas and flame. The battery pack may prevent a phenomenon, in which the battery pack is exploded or toxic gas and flame is discharged unintentionally, to prevent resultant casualties and damage to property in advance.

ALL-SOLID-STATE BATTERY

Resumen de: US20260031452A1

Provided is an all-solid-state battery. The all-solid-state battery includes an encapsulation member (10), a cell assembly (20), and an adsorbent. A first chamber (12) and a second chamber (15) that communicate with each other are formed within the encapsulation member (10). The cell assembly (20) is accommodated in the first chamber (12). The adsorbent is accommodated in the second chamber (15) and can adsorb or eliminate hydrogen sulfide. A waterproof and breathable membrane (50) is disposed between the first chamber (12) and the second chamber (15).

SEPARATOR, ELECTROCHEMICAL APPARATUS, AND ELECTRONIC APPARATUS

Resumen de: US20260031479A1

A separator includes a sub-nanoporous material and a binder, where the sub-nanoporous material includes a metal-organic framework material or a molecular sieve material, and a pore size of pores of the sub-nanoporous material ranges from 0.01 nm to 1 nm. The separator can confine an electrolyte within the pores of the sub-nanoporous material. Applying the separator to an electrochemical apparatus facilitates reduction of side reactions between lithium metal and the electrolyte during cycling of the electrochemical apparatus, and increases lithium deposition density on a surface of a negative electrode plate, thereby alleviating issues such as cracking and peeling of an SEI film during cycling; and further facilitates an increase in lithium-ion transference number, thereby delaying growth of lithium dendrites, improving safety performance of the electrochemical apparatus, and extending the cycle life of the electrochemical apparatus.

SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE COMPRISING SAME

Resumen de: US20260031478A1

Disclosed is a separator for an electrochemical device and an electrochemical device comprising the separator. The separator for the electrochemical device is capable of improving heat resistance by providing an adhesive layer comprising a polyvinyl acetate-containing resin in a coating layer, and reducing the resistance of a battery.

BATTERY PACK CASING AND BATTERY PACK

Resumen de: US20260031453A1

Provided are a battery pack casing and a battery pack. The battery pack casing includes an enclosure, an upper cover plate, a bottom protective plate, and at least one pressure relief valve. The bottom protective plate includes an upper plate, a lower plate, and multiple connecting platforms to form a pressure relief chamber. The upper plate also has multiple pressure relief holes that communicate with the pressure relief chamber. A buffer chamber that communicates with the pressure relief chamber is disposed in the enclosure. The at least one pressure relief valve is disposed on the enclosure and communicates with the buffer chamber.

PRESSURE RELIEF APPARATUS, BATTERY CELL, BATTERY, AND POWER CONSUMING DEVICE

Resumen de: US20260031471A1

A pressure relief apparatus includes a pressure relief portion provided with a first surface and a second surface arranged opposite to each other in a thickness direction of the pressure relief portion, and at least one stage of depressed groove and an indented groove. The at least one stage of depressed groove and the indented groove are formed in the pressure relief portion in sequence in a direction from the first surface to the second surface. A groove bottom wall of the stage of depressed groove farthest away from the first surface among the at least one stage of depressed groove is provided with an opening area. The indented groove is formed along an edge of the opening area. The opening area is configured to be openable with the stage of indented groove farthest away from the first surface as a boundary.

POWER STORAGE DEVICE

Resumen de: US20260031469A1

A power storage device includes a power storage cell provided with a pressure relief valve, a housing in which the power storage cell is disposed, and a seat member provided in the housing. The seat member includes a sagging portion disposed while being sagged.

RECHARGEABLE BATTERY

Resumen de: US20260031451A1

A rechargeable battery according to an embodiment includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case including an inner space to accommodate the electrode assembly and having an opening at a side thereof; a cap plate coupled to the opening of the case and including a terminal hole to expose the inner space; and an electrode terminal electrically connected to the electrode assembly through the terminal hole and overlapping the cap plate, and the cap plate and the electrode terminal are made of different metals.

COOLANT MONITORING SYSTEM

Resumen de: US20260030937A1

A coolant monitoring system for a vehicle cooling system, an engine cooling system and/or a battery cooling system. A cooling pressure sensor is coupled with the vehicle, engine and/or battery cooling systems. A temperature sensor is coupled with the vehicle, engine and/or battery cooling systems. A time measurement device is present. A controller is coupled with the cooling pressure sensor, temperature sensor and time measurement device. The controller monitors pressure and temperature valves with respect to time at various operating conditions and compares the pressure and temperature values with known acceptable pressure and temperature valves when no leaks are present to determine if a coolant leak exists.

ELECTRODE ASSEMBLY AND SECONDARY BATTERY

Resumen de: US20260031481A1

The present disclosure relates to an electrode assembly and a secondary battery, the electrode assembly and the secondary battery exhibiting improved safety. The present disclosure describes an electrode assembly including one or more first electrodes, one or more second electrodes having a greater area than the one or more first electrodes, and one or more separators formed in a pouch shape in which the second electrode is accommodated. The first electrode and the separator in which the second electrode is accommodated are stacked together.

SECONDARY BATTERY

Resumen de: US20260031482A1

A secondary battery includes: an electrode assembly including: a first electrode plate on which a first electrode tap is located; a second electrode plate on which a second electrode tap is located; and a separator between the first electrode plate and the second electrode plate; fillers on a front surface of the electrode assembly; and a case accommodating the electrode assembly. The electrode assembly has a first surface and a second surface at an outmost edge, and facing the case in a stacking direction of the electrode assembly. At least one of the first surface or the second surface includes a central region where a thickness of the electrode assembly is constant, and edge regions other than the central region, and the fillers are located in the edge regions.

Kühlplatte zum Temperieren elektrischer und/oder elektronischer Komponenten

Resumen de: DE102024120895A1

Die Erfindung betrifft eine Kühlplatte (1) zum Temperieren elektrischer und/oder elektronischer Komponenten, mit einem Plattenkörper (2), mit einem zwischen einer Plattenoberseite und einer Plattenunterseite im Plattenkörper (2) ausgebildeten Kanalsystem (4) zum Führen eines Kühlmittels (5), mit einem Kühlmitteleinlass (6) und mit einem Kühlmittelauslass (7), wobei das Kanalsystem (4) den Kühlmitteleinlass (6) mit dem Kühlmittelauslass (7) verbindet, wobei in einer senkrecht zu einer Plattenebene (3) orientierten Projektion eine vom Kühlmittel (5) durchströmbare Kühlfläche (8) des Kanalsystems (4) bezogen auf eine durch den Plattenkörper (2) gebildete Plattenfläche (9) einen Kühlflächenanteil (10) definiert, wobei das Kanalsystem (4) einen den Kühlmitteleinlass (6) aufweisenden Einlassbereich (11) und einen den Kühlmittelauslass (7) aufweisenden Auslassbereich (12) aufweist, wobei das Kanalsystem (4) so konfiguriert ist, dass der Kühlflächenanteil (10) im Einlassbereich (11) kleiner ist als im Auslassbereich (12).

Computerimplementiertes Verfahren zur Auslegung einer Batteriezelle für eine Energiespeichervorrichtung für ein Kraftfahrzeug, Computerprogramm und/oder computerlesbares Medium und Datenverarbeitungsvorrichtung

Resumen de: DE102024121312A1

Computerimplementiertes Verfahren zur Auslegung einer Batteriezelle für eine Energiespeichervorrichtung für ein Kraftfahrzeug, wobei die Batteriezelle eine Elektrode mit einer eine erste Schicht und eine zweite Schicht aufweisende Beschichtung aufweist, und das Verfahren aufweist: Erfassen von einer Auslegungsmöglichkeiten der Beschichtung betreffenden Modellierungsinformation; Bestimmen, anhand der Modellierungsinformation, von einer zu den jeweiligen Auslegungsmöglichkeiten korrespondierenden Schnellladefähigkeit und/oder Alterung der Batteriezelle betreffenden Auslegungsinformation; und Ausgeben der Auslegungsinformation.

Hochvolt-Batteriesystem sowie Fahrzeug

Resumen de: DE102024121408A1

Die Erfindung betrifft ein Hochvolt-Batteriesystem mit einem Batteriegehäuse (1), in dem zumindest ein Zellverband (3) aus Batteriezellen (19) angeordnet ist, wobei im Falle eines thermischen Events (T) Brandgas mitsamt Partikeln aus der havarierenden Batteriezelle (19) austritt und über einen gehäuseseitigen Gasweg (G) nach gehäuseaußen strömt, und wobei das Hochvolt-Batteriesystem eine Sensoreinrichtung (29) zur Detektion eines solchen thermischen Events (T) aufweist. Für eine unmittelbare Detektion des thermischen Events (T) weist die Sensoreinrichtung (29) im Gasweg (G) einen elektromagnetischen Sensorschwingkreis (31) auf.

LÖSUNGSMITTELFREIE ELEKTRODE

Resumen de: DE102025128763A1

Die vorliegende Offenbarung betrifft eine Lithium-Ionen-Batteriekomponente und Verfahren zum Herstellen der Lithium-Ionen-Batteriekomponente. Die Batteriekomponente beinhaltet in einigen Beispielen einen Stromabnehmer, eine poröse Abscheidung aus einem ersten Aktivmaterial und einem ersten Bindemittel auf dem Stromabnehmer und eine lösungsmittelfreie Elektrodenschicht aus einem zweiten Aktivmaterial und einem zweiten Bindemittel, die mit der porösen Abscheidung laminiert ist, sodass sie die Poren der porösen Abscheidung zumindest teilweise einnimmt.

Verfahren zur Herstellung einer Ausnehmung

Resumen de: DE102024206895A1

Die Erfindung betrifft ein Verfahren zur Herstellung einer Ausnehmung (25) in einer Außenschicht (20), insbesondere einer Isolationsschicht (22) der Außenschicht (20), einer Batteriezelle (100), insbesondere für ein Batteriesystem eines Fahrzeugs, das Verfahren aufweisend:- Bereitstellen (110) einer Batteriezelle (100), aufweisend◯ einen Batteriekörper (10) zur Energiespeicherung und◯ eine den Batteriekörper (10) umgebende Außenschicht (20),- Definieren (120) einer Kontur (K) einer Ausnehmung (25) in der Außenschicht (20) durch Abfahren und Bestrahlen der Außenschicht (20) mit einem Laser,- Erwärmen (130) der Außenschicht (20) durch Abfahren und Bestrahlen mit dem Laser, in einem von der Kontur (K) definierten Bereich (B), und- zumindest teilweises Ablösen (140) der Außenschicht (20) in dem von der Kontur (K) definierten Bereich (B), um die Ausnehmung (25) in der Außenschicht (20) herzustellen.Weiterhin betrifft die Erfindung eine Batteriezelle (100) und ein Batteriesystem.

PROCESS FOR THE PREPARATION OF A MIXED DIALKYL CARBONATE

Resumen de: WO2026022214A1

The invention relates to a continuous process for the preparation of a mixed dialkyl carbonate of formula R1O(C=O)OR2 by reacting a first dialkyl carbonate of formula R1O(C=O)OR1 and a second dialkyl carbonate of formula R2O(C=O)OR2, wherein R1 and R2 are different alkyl groups and R2 contains more carbon atoms than R1, said process comprising: (a) reacting the first and second dialkyl carbonates in a reactor resulting in a product stream comprising the mixed dialkyl carbonate and unconverted first and second dialkyl carbonates; (b) separating the unconverted first and second dialkyl carbonates from the product stream resulting from step (a) and recycling the separated unconverted first and second dialkyl carbonates to step (a), wherein the total feed stream to step (a) comprises the mixed dialkyl carbonate in an amount of higher than 0.3 mol% and has a molar ratio of the second dialkyl carbonate to the first dialkyl carbonate which is lower than 2:1.

PROCESS FOR THE PREPARATION OF A MIXED DIALKYL CARBONATE

Resumen de: WO2026022213A1

The invention relates to a continuous process for the preparation of a mixed dialkyl carbonate of formula R1O(C=O)OR2 by reacting a first dialkyl carbonate of formula R1O(C=O)OR1 and a second dialkyl carbonate of formula R2O(C=O)OR2, wherein R1 and R2 are different alkyl groups and R2 contains more carbon atoms than R1, said process comprising: (a) reacting the first and second dialkyl carbonates in a reactor resulting in a product stream comprising the mixed dialkyl carbonate, unconverted first and second dialkyl carbonates and light components; (b) separating the product stream resulting from step (a) into a top stream comprising the light components and a bottom 1stream comprising the unconverted first and second dialkyl carbonates and the mixed dialkyl carbonate; (c) separating the bottom stream resulting from step (b) into a top stream comprising the unconverted first dialkyl carbonate and a bottom stream comprising the second dialkyl carbonates and the mixed dialkyl carbonate; (d) recycling the top stream resulting from step (c) to step (a); (e) separating the bottom stream resulting from step (c) into a top stream comprising the mixed dialkyl carbonate and a bottom stream comprising the unconverted second dialkyl carbonate; (f) recycling the bottom stream resulting from step (e) to step (a).

LITHIUMIONENBATTERIEELEKTROLYT

Resumen de: DE102025128758A1

Es ist eine Elektrode dargestellt. Die Elektrode weist einen Stromabnehmer und eine positive Aktivmaterialschicht auf, die darauf abgelagert ist. Die Elektrode beinhaltet einen Elektrolyten. Die Elektrolytzusammensetzung beinhaltet 1 M Lithiumhexafluorphosphat und 0,5 Gew.-% Vinylencarbonat, das in einem Lösungsmittelgemisch aus Ethylencarbonat und Ethylmethylcarbonat in einem Volumenverhältnis von 25/75 gelöst ist. Dieser Elektrolyt durchdringt die Oberfläche der positiven Aktivmaterialschicht, wodurch eine elektrochemische Oxidation während des Prozesses des elektrochemischen Zyklierens effektiv unterdrückt wird, wodurch die Stabilität und Leistung der Elektrodenbaugruppe erhöht werden.

Verfahren zum Schnellladen einer Fahrzeugbatterie mit einem modifizierten Schnelllade-Kennfeld

Nº publicación: DE102024121182A1 29/01/2026

Solicitante:

PORSCHE AG [DE]
Dr. Ing. h.c. F. Porsche Aktiengesellschaft