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BATTERY TEMPERATURE ADJUSTMENT SYSTEM AND BATTERY TEMPERATURE ADJUSTMENT METHOD

Resumen de: EP4596308A1

A battery temperature adjustment system includes: a temperature adjustment device (800) adjusts a temperature of a power storage device (100); and a processor (301). A setting mode of the temperature adjustment device (800) includes: a first mode in which, in response to a travel route of includes a charging facility, the temperature is adjusted within a first temperature range suitable for charging at a time of arrival at the facility; and a second mode in which, in response to receiving a predetermined operation for adjusting the temperature within a second temperature range suitable for charging or traveling, the temperature is adjusted within the second temperature range. The processor (301) controls the temperature adjustment device to (800) adjust the temperature according to the setting mode; and when the setting mode is the first mode, rejects the predetermined operation and maintain the first mode in a case where the predetermined operation is received.

MONOLITHIC WAFER-LIKE CATHODE SYNERGICALLY GROWN FROM POLY-CRYSTALLINE AND AMORPHOUS GLASS-LIKE DOMAINS AND METHOD OF PRODUCING THEREOF

Resumen de: EP4597616A1

Disclosed is a method for preparing a chalcogenide/sulfur cathode for an alkali metal secondary battery, where sulfur and/or other chalcogenide and/or mixtures represents both active mass and removable template/ porogen, otherwise defined as glass/amorphous/polymer sulfur wafer where the content of active mass is defined by the glassy sulfur and porosity is dictated by the crystalline phase template, with the steps of growing a chalcogenide/sulfur wafer, comprising tailored content of glass/polymeric and crystalline allotropes, from a mother liquid via a suitable growth process, having a specific presence/gradients/areal distribution of crystalline to glassy/polymeric allotropes, and removing the crystalline allotropes-template/porogen of chalcogenide/sulfur from the chalcogenide/sulfur glass-crystalline wafer by immersing it in a suitable solvent, creating a defined porosity within the wafer by etching crystalline phase out from glass-crystalline wafer-like cathode and leaving 3D glassy/polymeric chalcogenide/sulfur where in a further incubation stage due the meta-stability of glass/polymer allotrope a transition into more preferably gamma monoclinic sulfur with trace amounts of glass/polymer allotropes is created, crosslinked with graphene based and or other suitable co-monomer or co-monomers and or capping agents.

BUSBAR ASSEMBLY AND BATTERY PACK INCLUDING SAME

Resumen de: EP4597734A1

A busbar assembly according to one embodiment of the present disclosure comprises: a busbar that includes a body portion containing a bent portion, and end portions extending from both ends of the body portion and having a through hole formed therein; an insulating layer that is insert-injection molded to surround the body portion, and a cap that surrounds the end portion.

BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS

Resumen de: EP4597678A1

Disclosed in the present application are a battery cell, a battery, and an electric apparatus. The battery cell comprises: a housing, comprising a housing cover and a housing body; a battery cell assembly, comprising an active substance-coated part; and a support arranged at the end of the active substance-coated part distal to the opening of the housing body and fitting the battery cell assembly. The support is provided with a body part and an extension part arranged circumferentially on the body part. The projection of the body part on the plane of the housing cover is within the projection of the active substance-coated part on the plane of the housing cover, and the projection of the extension part on the plane of the housing cover is located outside the projection of the active substance-coated part on the plane of the housing cover. The embodiments of the present application can reduce the probability that the active substance-coated part touches the housing and that the housing scratches the active substance-coated part.

BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Resumen de: EP4597677A1

The present application discloses a battery cell, a battery, and an electrical device. The battery cell comprises a housing assembly and a core assembly; the housing assembly comprises a housing and a first pole, the housing has a first wall provided with a mounting hole, the first pole is provided in the mounting hole, and the first pole comprises a first soldering surface; the core assembly comprises an active material coating portion and a conductive portion electrically connected to the active material coating portion, the active material coating portion is accommodated in the housing, the conductive portion comprises a second soldering surface in contact with the first soldering surface, and a portion of the second soldering surface is soldered to a portion of the first soldering surface by means of a soldering portion; a plane where the cross section of the mounting hole is located is taken as a projection plane, and in a direction perpendicular to the projection plane, the outer contour of the projection of the second soldering surface on the projection plane is located within a range of the outer contour of the projection of the first soldering surface on the projection plane. According to the battery cell of the present application, the fast charging performance, reliability and stability of the battery cell are improved.

BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Resumen de: EP4597729A1

The present application discloses a battery cell, a battery, and an electrical device. The battery cell comprises: a housing, a core assembly; a support, provided at one end of the core assembly; and an insulating member, matching the support and wrapping the core assembly. The core assembly, the support, and the insulating member are all provided in the housing, and at least a portion of the insulating member is connected to the wall surface of the support distant from the core assembly. In the technical solution of the embodiments of the present application, the reliability of connection between the insulating member and the support can be improved, the risk of falling of the insulating member can be reduced, the risk of corrosion of the housing caused by exposure of the core assembly can be reduced, the risk of failure of the core assembly can be reduced, the risk of electrolyte leakage can be reduced, and then the reliability and stability of the battery cell can be improved.

SILICON COMPOSITE ANODE MATERIALS FOR ENERGY STORAGE DEVICES, AND METHODS THEREOF

Resumen de: MX2025003012A

Methods for forming dry composite material for an energy storage device electrode are provided. The method may comprise forming a slurry by mixing a solvent, a silicon active material, a carbon active material, and a carbon additive; and forming the dry composite material comprising the silicon active material, the carbon active material, and the carbon additive by removing the solvent. The carbon additive, silicon active material and carbon active material are substantially homogeneously dispersed in the dry composite material. The dry composite material may be used to form a dry electrode film in dry fabrication processes.

UNIT BATTERY SHREDDING, BATTERY SHREDDED MATERIAL CONTAINING SAME, AND METHOD OF TREATMENT OF BATTERY

Resumen de: EP4597687A1

Provided are a crushed unit battery material, a crushed battery material including the same, and a battery treatment method. The crushed unit battery material is a crushed unit battery material for recovering valuable metals from a waste battery, has a layered structure including a separator in which a positive electrode or a negative electrode is laminated on at least one surface, and satisfies the following Conditions 1 and 2:<Condition 1> the layered structure has a laminate structure of 1 layer or more and 7 layers or less.<Condition 2> a size of the crushed unit battery material is 100 mm or less based on a long axis which is the longest axis in horizontal, vertical, and height directions.

ELECTRODE ASSEMBLY AND SECONDARY BATTERY INCLUDING SAME

Resumen de: EP4597682A1

The present invention relates to an electrode assembly and a secondary battery including same. The electrode assembly according to an embodiment of the present invention is formed by a cathode, a separator, and an anode which are wound together, and may comprise a protective member which is arranged to face an end of at least one of the cathode and the anode and in which a flame retardant is filled.

BATTERY CELL DIAGNOSIS DEVICE AND METHOD

Resumen de: EP4597136A1

The present invention relates to an apparatus and a method for diagnosing a battery cell, wherein the battery cell diagnostic apparatus according to an embodiment of the present invention may include a reference cell module including at least one reference cell composed of a super-capacitor, a measuring device configured to measure a reference impedance of the reference cell and a battery impedance of the battery cell, and a processor configured to compare the battery impedance with the reference impedance to determine whether there is an abnormality in the battery cell.

THERMAL MANAGEMENT SYSTEM AND VEHICLE HAVING SAME

Resumen de: EP4596275A1

A thermal management system, comprising: a battery thermal management subsystem which comprises a first trunk line and a second trunk line, the first trunk line being used for exchanging heat with a first area of a battery, the second trunk line is used for exchanging heat with a second area of the battery, the first area and the second area being different, and at least one of the first trunk line and the second trunk line exchanging heat with the battery; and a heat exchange unit which is arranged on the battery thermal management subsystem and a power thermal management subsystem, wherein the battery thermal management subsystem and the power thermal management subsystem exchange heat by means of the heat exchange unit, and the power thermal management subsystem is used for heat dissipation of electronic modules.

CONTROL METHOD AND VEHICLE

Resumen de: EP4596307A1

A control method and a vehicle. The control method comprises: acquiring a heat exchange signal; and controlling at least one of a first trunk line in a thermal management system and a second trunk line in the thermal management system to exchange heat with a battery, the first trunk line being used for exchanging heat with a first area of the battery, the second trunk line being used for exchanging heat with a second area of the battery, and the first area being different from the second area.

THERMAL MANAGEMENT SYSTEM AND VEHICLE HAVING SAME

Resumen de: EP4596309A1

A thermal management system and a vehicle having same. The thermal management system comprises: a battery heat exchange module. The battery heat exchange module comprises: a first trunk line and a second trunk line, wherein the first trunk line is configured to exchange heat with a first region of a battery, the second trunk line is configured to exchange heat with a second region of the battery, the first region is different from the second region, and at least one of the first trunk line and the second trunk line exchanges heat with the battery.

THERMAL MANAGEMENT SYSTEM AND VEHICLE HAVING SAME

Resumen de: EP4596274A1

A thermal management system and a vehicle having same. The thermal management system comprises: a battery thermal management subsystem, the battery thermal management subsystem comprising a first trunk line (10a) and a second trunk line (10b), the first trunk line (10a) being used for exchanging heat with a first region of a battery, the second trunk line (10b) being used for exchanging heat with a second region of the battery, the first region being different from the second region, and at least one of the first trunk line (10a) and the second trunk line (10b) exchanging heat with the battery; and at least one first heat exchanger (791), the first heat exchanger (791) being arranged on the battery thermal management subsystem and an air conditioning subsystem, and the battery thermal management subsystem and the air conditioning subsystem exchanging heat by means of the first heat exchanger.

BATTERY HEAT EXCHANGE MODULE, THERMAL MANAGEMENT SYSTEM, AND VEHICLE

Resumen de: EP4597691A1

A battery heat exchange module (20), comprising: a first interface (23), a second interface (24), a first heat exchange assembly (21), and a second heat exchange assembly (22). The first heat exchange assembly (21) and the second heat exchange assembly (22) are used for exchanging heat with a battery (300). The first heat exchange assembly (21) is arranged corresponding to a first area of the battery (300), the second heat exchange assembly (22) is arranged corresponding to a second area of the battery (300), and the first area is different from the second area.

POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING SAME, AND POSITIVE ELECTRODE SLURRY FOR POSITIVE ELECTRODES OF NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES

Resumen de: EP4597609A1

A disclosed positive electrode for a nonaqueous electrolyte secondary battery includes a positive electrode mixture layer. The positive electrode mixture layer contains at least one compound selected from the group consisting of carboxylic acids and carboxylic acid anhydrides, a positive-electrode active material, a conductive material, a fluorine-containing polymer, and a dispersant. The positive-electrode active material includes a composite oxide represented by a composition formula LiyNixM(1-x)O2-δ (where x, y, and δ satisfy 0.6≤x≤1, 0

SECONDARY BATTERY AND NEGATIVE ELECTRODE CURRENT COLLECTOR

Resumen de: EP4597639A1

A secondary battery includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and a nonaqueous electrolyte having lithium ion conductivity. The negative electrode includes a negative electrode current collector. The negative electrode current collector includes a resin film, and a transition metal layer laminated with the resin film. The resin film includes a base resin layer, and a surface resin layer, and at least the surface resin layer contains a nitrogen-containing resin. Accordingly, in the secondary battery, it is possible to suppress the embrittlement of the negative electrode current collector including a resin film.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: EP4597623A1

A positive electrode active material for a non-aqueous electrolyte secondary battery according to one embodiment comprises a lithium transition metal composite oxide represented by the compositional formula LiαNaβNi1-b-cMnbXcOd (where X is at least one element selected from metallic elements other than Li, Na, Ni, and Mn, 0.80≤α≤1.20, 0≤β≤0.05, 0.80≤α+β≤1.20, 0.25

POWER STORAGE DEVICE BINDER AQUEOUS SOLUTION, POWER STORAGE DEVICE SLURRY, POWER STORAGE DEVICE ELECTRODE, POWER STORAGE DEVICE SEPARATOR, POWER STORAGE DEVICE SEPARATOR/ELECTRODE LAMINATE, AND POWER STORAGE DEVICE

Resumen de: EP4597636A1

Provided is a power storage device binder aqueous solution comprising: a water-soluble polymer; a (meth)acrylamide; and a (meth)acrylonitrile, wherein the water-soluble polymer includes 0.01-1 mass% of a polymerization initiator unit, and the content of the (meth)acrylamide with respect to the water-soluble polymer is 0.01-1,000 mass ppm (exclusive of 1,000 mass ppm).

PRODUCTION METHOD FOR POSITIVE ELECTRODE ACTIVE MATERIAL

Resumen de: EP4597622A1

The present disclosure is intended to provide a production method for a positive electrode active material with reduced degradation in resistance property. The technology disclosed herein relates to a production method for a positive electrode active material after sintering, the method comprising: a preparation step of preparing an end material that includes a positive electrode composite material including a positive electrode active material for a secondary battery and a binder containing fluorine; and a sintering step of sintering the positive electrode composite material in a container, wherein the sintering step is performed with magnesium hydroxide present in the container. Consequently, a positive electrode active material with reduced degradation in resistance property is achieved.

BUSBAR ASSEMBLY AND BATTERY PACK INCLUDING SAME

Resumen de: EP4597733A1

A busbar assembly according to one embodiment of the present disclosure includes: a busbar including a body and end portions that extend from both ends of the body and have through holes defined therein; an insulating layer that encloses the body and has a groove formed in a recessed shape; and a cap that is inserted into the groove and encloses the end portions, wherein the insulating layer has a stronger elasticity than the cap.

CARBON NANOTUBE DISPERSION AND PREPARATION METHOD THEREFOR

Resumen de: EP4596495A1

The present invention relates to a carbon nanotube dispersion, comprising carbon nanotubes, a first dispersant containing a nitrogen atom, a mixture of a second dispersant and cations, and a solvent, wherein the second dispersant contains at least one hydroxy group and at least one carboxyl group in an aromatic ring, and the cations contain at least one selected from the group consisting of an alkali metal ion, an alkaline earth metal ion, an aluminum ion, a transition metal ion, an ammonium ion and a sulfonium ion, and a method for preparing the same.

BATTERY PACK

Resumen de: EP4597717A1

Provided is a battery pack. The battery pack includes at least two battery modules (100). Each battery module (100) includes a housing (1) and multiple battery cells (2) disposed in the housing (1). Multiple pressure relief holes (122) are disposed on a side surface of the housing (1). The multiple pressure relief holes (122) are in a one-to-one correspondence with the multiple cells (2). One end of each battery cell (2) has an explosion-proof hole. The explosion-proof hole communicates with a corresponding pressure relief hole (122). Two adjacent battery modules (100) form a module assembly. In the same module assembly, two housings (1) are spaced apart to form a pressure relief channel (300), and pressure relief holes (122) on the two housings (1) are facing the pressure relief channel (300).

ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, ELECTRICAL DEVICE, AND SEPARATOR MANUFACTURING METHOD

Resumen de: EP4597719A1

Embodiments of this application provide an electrode assembly, a battery cell, a battery, an electric device, and a method for manufacturing a separator, and pertain to the field of battery technologies. The electrode assembly includes a positive electrode plate, a negative electrode plate, and a separator, and the separator is disposed between the positive electrode plate and the negative electrode plate; and the separator includes a first section, a second section, and a third section arranged sequentially in a width direction of the separator, and a porosity of the second section is less than both a porosity of the first section and a porosity of the third section. The electrode assembly provided by the embodiments of this application includes a separator with different porosities in different sections, which can alleviate precipitation of metal ions in the electrode assembly.

DIAMINE COMPOUND, POLYIMIDE ACID, POLYIMIDE, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Nº publicación: EP4596545A1 06/08/2025

Solicitante:

BYD CO LTD [CN]
BYD Company Limited

Resumen de: EP4596545A1

The present application provides a diamine compound, a polyimide acid, a polyimide, and a preparation method therefor and use thereof. The diamine compound has a chemical structural formula represented by formula (I),wherein R₁ and R₂ are independently selected from a single bond, substituted or unsubstituted alkylene, substituted or unsubstituted alkenylene, substituted or unsubstituted alkynylene, substituted or unsubstituted arylene, substituted or unsubstituted arylenealkyl, substituted or unsubstituted heteroarylene, substituted or unsubstituted heteroarylenealkyl, or substituted or unsubstituted alicylidene.