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Fahrzeug

Resumen de: DE102025132207A1

Wenn eine Ladeeinrichtung an einem von einer Navigationsvorrichtung (600) festgelegten Zielortort vorhanden ist, berechnet eine Berechnungseinheit von Solltemperatur Tbt (310) eine Solltemperatur (Tbt) einer Batterie am Zielortort. Eine Berechnungseinheit von Innenwiderstand r (320) berechnet einen Innenwiderstand (r) auf der Grundlage eines gegenwärtigen SOC und der Solltemperatur (Tbt). Eine Berechnungseinheit von Brennwert Sh (330) berechnet einen Brennwert (Sh) der Batterie unter Verwendung einer gegenwärtigen Spannung (VB), des Innenwiderstands (r), eines Durchschnittsenergieverbrauchs (Pc) von einer gegenwärtigen Position zu dem Zielortort und einer Fahrzeit (Rt), die von der gegenwärtigen Position zu dem Zielortort genommen wird. Eine Berechnungseinheit von Temperaturerhöhungsstartzeitpunkt St berechnet einen Temperaturerhöhungsstartzeitpunkt (St) einer Temperaturerhöhungsvorrichtung auf der Grundlage einer Temperatur (TB) der Batterie, einer Zielortankunftszeit (At) und des Brennwerts (Sh). Zum Temperaturerhöhungsstartzeitpunkt (St) beginnt eine ECU (300) mit der Erhöhung der Temperatur der Batterie durch die Temperaturerhöhungsvorrichtung.

Anordnung einer teilintegrierten Kühlmittelheizvorrichtung in einem Kühlmittelkreislauf

Resumen de: DE102024208453A1

Um eine Heizvorrichtung zum Heizen von Komponenten eines Fahrzeugs bereitzustellen, welche einen geringen Montageaufwand und eine optimierte Bauraumnutzung aufweist, wird eine Anordnung (100) für einen Kühlmittelkreislauf (19) vorgeschlagen, umfassend eine Kühlmittelverteileinheit (11), in welcher ein Kühlmittel führbar ist, und umfassend eine separat von der Kühlmittelverteileinheit (11) ausgebildete Kühlmittelheizvorrichtung (10), wobei an der Kühlmittelverteileinheit (11) ein erstes Halteelement (12a) angeordnet ist, wobei das erste Halteelement (12a) zur unmittelbaren Befestigung an einem zweiten Halteelement (12b) der Kühlmittelheizvorrichtung (10) ausgebildet ist zur Befestigung der Kühlmittelheizvorrichtung (10) an der Kühlmittelverteileinheit (11).

EFFECTIVE BINDER TO CATHODE ACTIVE MATERIAL RATIO

Resumen de: WO2026047013A1

The present disclosure relates to a method of forming electrodes for lithium- or sodium- ion cells. The method includes the dry deposition of an electroactive composition comprising cathode active material, a binder and optional conductive additives to a conductive foil. Importantly, the binder particles are smaller than the cathode active material particles. The methodology provides good packing densities compared with traditional dry deposition methodologies.

BATTERY PACK, ASSEMBLY METHOD THEREOF AND VEHICLE

Resumen de: US20260066457A1

A battery pack includes a battery tray, an air-discharge structure, potting adhesive and a battery module. The battery tray has an accommodating space where the battery module is installed; at least part of the air-discharge structure is positioned in the accommodating space for absorbing air in the accommodating space and discharging the air in the accommodating space to the outside of the battery pack; and the potting adhesive is provided in the accommodating space and encapsulates the battery module and at least part of the air-discharge structure. The air-discharge structure is installed in the accommodating space, and at least part of the air-discharge structure is covered by potting adhesive, so that when filling the potting adhesive, the air in the area of the accommodation space where the potting adhesive is positioned in the accommodating space can be discharged through the air-discharge structure.

BATTERY AND ELECTRIC APPARATUS

Resumen de: US20260066456A1

A battery and an electric apparatus are disclosed. The battery includes a cell, an insulating structure, and a metal plate member. The insulating structure is sandwiched between the cell and a first portion. The first portion is provided with a collection structure on a side facing the insulating structure. A second portion is provided with an exhaust structure, and a valve member and the exhaust structure are disposed opposite each other. The collection structure is configured to collect at least a portion of electrolyte vapor ejected through the valve member and diffused between the insulating structure and the first portion. Based on this, the insulating structure maintains insulation in a thermal runaway state, preventing electrical conduction between the cell and the metal plate member, thereby avoiding high-voltage sparking.

COVER ASSEMBLY, BATTERY CELL, BATTERY, ELECTRIC DEVICE, METHOD AND APPARATUS

Resumen de: US20260066450A1

A cover assembly of a battery cell, comprises a cover plate provided with a first through hole, a fixing member connected to the cover plate and provided with a second through hole, a breathable film connected to the fixing member, and a support filled in the second through hole, connected to the fixing member, and used for supporting the breathable film and allowing gas to pass through the breathable film. The first through hole comprises an accommodation section and an extension section extending from the accommodation section. A diameter of the accommodation section is greater than a diameter of the extension section. The second through hole is configured to be in gas communication with the first through hole. The breathable film is used for covering the second through hole. The fixing member and the support are at least partially accommodated in the accommodation section.

SELF-ASSEMBLED CAST POLYPROPYLENE (CPP) BASE FILM OF ALUMINUM-PLASTIC FILM FOR NEW ENERGY POUCH BATTERIES AND PREPARATION METHOD THEREOF

Resumen de: US20260066403A1

Disclosed is a self-assembled cast polypropylene (CPP) base film of an aluminum-plastic film for new energy pouch batteries and a preparation method thereof. The base film comprises a self-assembled heat sealing layer, a support layer and a composite layer. The preparation process includes charging the raw materials of three layers into a three-layer co-extrusion casting machine and setting the relevant parameters for preparation, then performing a corona treatment. The present disclosure utilizes an organic hybrid micro-nano thermal conductive material to induce the heat sealing layer to produce a self-assembly function in a high temperature environment after heat sealing, thereby effectively preventing the pouch batteries from short circuit or explosion in a high temperature environment.

Elektrolyt-Zusammensetzung, Batterie und Vorrichtung mit dieser Zusammensetzung

Resumen de: DE102024130671A1

Eine Elektrolytzusammensetzung für Batterien wird bereitgestellt. Die Elektrolytzusammensetzung umfasst ein Lösungsmittel, das ein oder mehrere fluorierte Carbonate umfasst. Die Elektrolytzusammensetzung umfasst außerdem ein Salz auf Lithiumbasis und ein Lithium(oxalato)boratsalz. Außerdem wird eine Batterie bereitgestellt, die die Elektrolytzusammensetzung umfasst. Die Batterie umfasst eine Anode, eine Kathode auf Nickelbasis und die Elektrolytzusammensetzung, die zwischen der Anode und der Kathode auf Nickelbasis angeordnet ist.

BATTERY CELL AND BATTERY HAVING THE SAME, AND ELECTRICAL APPARATUS

Resumen de: US20260066448A1

A battery cell includes: a case including a mounting wall; an electrode assembly disposed within the case; an explosion-proof valve disposed on the mounting wall; and a gas guide portion including a gas guide groove formed in the mounting wall, the gas guide groove being configured to guide gas generated by the electrode assembly toward the explosion-proof valve.

BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS

Resumen de: US20260066497A1

A battery cell, a battery, and an electric apparatus. The battery cell includes: an electrode assembly, including a body portion and a first tab. A first size L1 of the body portion in a length direction thereof is greater than a second size L2 of the body portion in a width direction thereof. The first tab is located on at least one end of the body portion in the width direction. The first tab has a third size L3 in the length direction. The first size L1, the second size L2, and the third size L3 satisfy 0.5L2≥L3≥L1.

ELECTRODE ASSEMBLY, BATTERY, AND ELECTRIC DEVICE

Resumen de: US20260066473A1

An electrode assembly, a battery, and an electric device. The electrode assembly includes a first electrode, a second electrode, a first separator, and a second separator. One of the first separator and the second separator is disposed between the first electrode and the second electrode. The other of the first separator and the second separator is disposed on a side that is of the first electrode or the second electrode and that faces away from the first separator. One of the first separator and the second separator does not include a porous coating. The other of the first separator and the second separator includes a porous coating. The thickness of the porous coating is 0.5 μm to 8 μm. The electrode assembly in the present application includes a specific first separator and a specific second separator, which can effectively improve cycling performance of the battery.

SECONDARY BATTERY AND PREPARATION METHOD THEREOF, AND ELECTRIC DEVICE

Resumen de: US20260066468A1

A secondary battery, including a positive electrode sheet, a negative electrode sheet, and a separator. The separator includes a base membrane and a coating arranged on at least one surface of the base membrane; the coating includes a composite polymer and a binder, and the composite polymer includes a first polymer for an inner core layer and a second polymer for a cladding layer arranged on the surface of the inner core layer; the peel strength between the separator and the positive electrode sheet is 1-5 N/m, and the thermal shrinkage rate of the separator in MD and TD directions is less than 5% at 130° C. for 0.5 h.

BLADE BATTERY AND BATTERY PACK INCLUDING SAME

Resumen de: US20260066487A1

Provided are a blade battery and a battery pack including the same. The blade battery includes: at least one positive plate, with a first tab and a second tab respectively disposed at two adjacent edges; a plurality of negative electrode plates, each having a third tab and a fourth tab respectively disposed at two adjacent edges, each of two opposite sides of each positive electrode plate being covered by one negative electrode plate, the first tab and the third tab being located at two opposite sides of the blade battery, and the second tab and the fourth tab being located at two opposite sides of the blade battery, respectively; a positive cover plate connected to the first tab and the second tab to form a positive electrode; and a negative cover plate connected to the third tab and the fourth tab to form a negative electrode.

METHOD FOR MANAGING THE TEMPERATURE OF A BATTERY FOR A MOTOR VEHICLE

Resumen de: WO2026047291A1

The invention relates to a method for managing the temperature of a traction battery (1) of a motor vehicle (10) comprising a system (3) for controlling the temperature of the traction battery, the method comprising steps of: measuring a maximum temperature of the traction battery at the instant t, then comparing with at least one threshold temperature among a threshold stop temperature "TemperatureStopCooling", a threshold activation temperature "TemperatureActivateCooling", a first threshold temperature "TemperatureStartDerating" and a second threshold temperature "TemperatureNoPower", wherein, prior to the measurement step, it includes re-evaluating at least one threshold temperature as a function of an instantaneous state of health of the traction battery (1) at the instant t, evaluated by a management system (2) of the battery and a predefined target aging level at this instant t.

USE OF A HYDROCARBON FLUID

Resumen de: WO2026046633A1

The invention relates to the use, in an electronic device, for example in an electric or a hybrid vehicle, of a fluid having an initial boiling point and a final boiling point in the range of from 100°C to 400°C and a boiling range below 80°C, said fluid comprising from 10 to 50%wt of isoparaffins, from 1 to 30%wt of n-paraffins and from 20 to 80%wt of naphthenes, based on the total weight of the fluid.

BATTERY, BATTERY MODULE AND ELECTRIC APPARATUS

Resumen de: WO2026045131A1

Provided in the present application are a battery and a battery module. The battery module comprises a plurality of batteries and a structural adhesive, wherein each battery comprises a battery cell and an insulating layer, the insulating layer being arranged on the side surface of the battery cell, at least one opening portion being formed on the insulating layer, and the thickness of the insulating layer in the at least one opening portion being less than the thickness of the other parts of the insulating layer; and the structural adhesive is arranged on the surface of each battery cell and is located in each opening portion, and each battery is connected by means of the structural adhesive to a component adjacent thereto.

BODENVERDICHTUNGSMASCHINE UND VERFAHREN ZUM BETRIEB EINER BODENVERDICHTUNGSMASCHINE

Resumen de: DE102024124436A1

Die Erfindung eine Bodenverdichtungsmaschine mit einem Maschinenrahmen, einer bewegbar an dem Maschinenrahmen gelagerten Bodenkontakteinrichtung, einer Schwingungserregungseinrichtung sowie einer ein Gehäuse umfassende elektrische Betriebskomponente. Die Erfindung betrifft ferner auch ein Verfahren zum Betrieb einer Bodenverdichtungsmaschine. Es ist ein Wärmetauscherfluidtank vorgesehen, mit dem ein konduktiver Wärmeaustausch zwischen der elektrischen Betriebskomponenten und in einem Speicherraum des Wärmetauscherfluidtanks bevorratetem Wärmetauscherfluid erfolgt.

METHOD AND DEVICE FOR LEAK TESTING AT LEAST A PART OF A BATTERY HOUSING

Resumen de: WO2026047478A1

The invention relates to a method for leak testing at least one part of a battery housing (4), comprising the steps of: measuring the temperature T1 of the at least one part of the battery housing (4), optionally air-cooling the at least one part of the battery housing (4), introducing the at least one part of the battery housing (4) into a climatized cabin (6) filled with a fluid (12) at a certain pressure pc, and leak testing the at least one part of the battery housing (4) based on pressurizing the at least one part of the battery housing (4) with a fluid at a certain pressure pb and measuring the pressure change Δpb, preferentially during a defined testing period Δt. The invention also relates to a device (2) for leak testing at least one part of a battery housing (4), comprising: a first temperature sensor (14) for sensing the temperature T1 of the at least one part of the battery housing (4), a climatized cabin (6) filled with a fluid (12) at a certain pressure pc, a fluid compressing unit (26a, 26b) for filling the at least one part of the battery housing (4) with a fluid at a certain pressure pb, and a pressure sensor (32) for sensing the fluid pressure pb of the at least one part of the battery housing (4).

METHOD FOR SECURELY EXTRACTING LITHIUM FROM AN ELECTRIC BATTERY COMPRISING LITHIUM

Resumen de: WO2026046803A1

The invention relates to a method (300) for extracting lithium from an electric battery comprising lithium metal, said method (300) comprising a lithium extraction phase (302), said extraction phase (302) comprising the following steps carried out, at least partially, in a chamber: - heating (304) said battery to a temperature, referred to as the treatment temperature, above or equal to the melting temperature of the lithium metal; - compressing (306) said battery in order to discharge the molten lithium out of the battery; characterized in that the heating step (304) is carried out by circulating, in said chamber, a hot stream, referred to as the heating stream, that comes into contact with said battery. The invention further relates to a system implementing such a method.

ELECTROCHEMICAL SYSTEM AND METHOD FOR OPERATING AN ELECTROCHEMICAL SYSTEM

Resumen de: WO2026046467A1

An electrochemical system (1), in particular a battery system, having a plurality of electrochemical cells (3) comprises a fluid-operated cooling system (2) provided for controlling the temperature of the electrochemical cells (3), as well as a measuring and control system (9) which is designed to alternately carry out impedance measurements on the electrochemical cells (3) and to heat same by applying alternating current thereto.

IRON PHOSPHATE MATERIAL, PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE MATERIAL, POSITIVE ELECTRODE SHEET, AND SECONDARY BATTERY

Resumen de: WO2026044811A1

The present application relates to the field of lithium-ion batteries, and provides an iron phosphate material, a preparation method therefor, a positive electrode material, a positive electrode sheet, and a secondary battery. The iron phosphate material satisfies an evaluation index q in the range of 0.02 μm-1 to 0.15 μm-1. The evaluation index q is calculated using the following formula: q = t / Dv90, where t is the iron-to-phosphorus ratio of the iron phosphate material, and Dv90 is the particle size value corresponding to a 90% cumulative volume distribution percentage when the particle sizes of iron phosphate particles of the iron phosphate material are sorted from smallest to largest. By controlling the value of the evaluation index q, the present application improves the efficiency of sand milling or ball milling in the preparation process of lithium iron phosphate, facilitates the preparation of positive electrode materials such as lithium iron phosphate materials and lithium manganese iron phosphate materials that meet particle size requirements and iron-to-phosphorus ratio requirements, reduces material blockage during material conveyance, and improves the electrochemical performance of positive electrode materials such as lithium iron phosphate materials and lithium manganese iron phosphate materials prepared therefrom.

MULTI-FUNCTIONAL INTERLAYER FOR SUPERBEAM SUBCHANNEL IN VEHICLE BATTERY PACK

Resumen de: US20260066384A1

A battery for an electric vehicle is provided. The battery includes a battery pack housing, a battery pack carried by the battery pack housing, and a superbeam contained within the battery pack housing. The superbeam includes a first face plate, a first passenger plate that partially abuts the first face plate, a first subchannel defined by the first face plate and the first passenger plate, a second passenger plate, a thermal barrier interlayer disposed between the first passenger plate and the second passenger plate, a second face plate opposite the first face plate, a second subchannel defined by the second face plate and the second passenger plate, and an inlet port and an outlet port extending through the superbeam. A portion of the first passenger plate and a portion of the second passenger plate define an air gap. The thermal barrier interlayer extends into the air gap.

BATTERY ALUMINUM FOIL COATING DEVICE, BATTERY ALUMINUM FOIL COATING METHOD, AND BATTERY

Resumen de: US20260066257A1

A battery aluminum foil coating device, a battery aluminum foil coating method, and a battery are provided. By sequentially passing the aluminum foil through an unwinding mechanism, a double-sided coating assembly, a first-sided coating assembly, a second-sided coating assembly and a winding mechanism to complete double-sided coating, the aluminum foil carbon layer coating process and the electrode slurry coating process may be combined, production cost may be reduced, production cycle may be shortened, and resource waste may be reduced.

POSITIVE ELECTRODE PLATE, PREPARATION METHOD THEREOF, SECONDARY BATTERY, AND ELECTRIC APPARATUS

Resumen de: US20260066292A1

A positive electrode plate, a preparation method thereof, a secondary battery, and an electric apparatus. The positive electrode plate includes a current collector and a positive electrode film layer formed on at least one side of the current collector. The positive electrode film layer includes a positive electrode active material comprising a substrate and a carbon coating layer on the surface of the substrate. The substrate has a general formula LizFexMn(1-x-y)MyPO4, where 1≤z≤1.1, 0.5≤x≤1, 0≤y≤0.1, and M is at least one of Ti, V, and Mg. At least part of the active material includes primary particles, with no more than 10% having sizes between 80 nm and 180 nm, and no more than 15 particles exceeding 1500 nm within a defined microscopic region. This structure improves the particle size distribution concentration, enhancing the cycling performance of batteries.

POSITIVE ELECTRODE MATERIAL, ELECTROCHEMICAL DEVICE, AND ELECTRONIC DEVICE

Nº publicación: US20260066289A1 05/03/2026

Solicitante:

NINGDE AMPEREX TECH LIMITED [CN]
Ningde Amperex Technology Limited

Resumen de: US20260066289A1

A positive electrode material, including a lithium cobalt composite oxide, where the lithium cobalt composite oxide includes a matrix and a coating layer located on a surface of the matrix, the coating layer includes a first region and a second region, the first region has a P63mc crystal structure, the second region has an R-3m crystal structure, and both the first region and the second region contain element Na. The positive electrode material of this application can reduce interface impedance during lithium-ion intercalation and deintercalation, improving high-temperature storage performance and cycling performance of the electrochemical device under high voltage.