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NON-AQUEOUS ELECTROLYTE AND SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK AND ELECTRICAL DEVICE CONTAINING THE SAME

Resumen de: EP4832139A2

The present application provides a non-aqueous electrolyte and a secondary battery (5), a battery module (4), a battery pack (1) and an electrical device containing the same. The non-aqueous electrolyte includes an electrolyte salt, a non-aqueous solvent, and a first additive, wherein the electrolyte salt includes lithium bis(fluorosulfonyl)imide, lithium tetrafluoroborate, and lithium difluoro(oxalate)borate, and wherein the first additive includes fluoroethylene carbonate, and wherein based on the total mass of the non-aqueous electrolyte, lithium bis(fluorosulfonyl)imide is present in a mass content of A1, lithium tetrafluoroborate is present in a mass content of A2, lithium difluoro(oxalate)borate is present in a mass content of A3, fluoroethylene carbonate is present in a mass content of B1, and A1, A2, A3 and B1 satisfy that: A1 is from 9% to 15%, A1/A2 is from 30 to 1500, A1/B1 is from 3.6 to 15 and A2/A3 is from 0.02 to 30. The present application enables the secondary battery (5) to simultaneously have good cycling performance, storage performance, hot box safety performance and kinetic performance.

BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: EP4832180A1

0001 This application discloses a battery cell (12), a battery (100), and an electric device, and pertains to the field of battery technology. The battery cell (12) includes an electrode assembly (122) and a heat-shrinkable film (123). The electrode assembly (122) includes a main body (1221) and a tab (1222), where the main body (1221) has two end surfaces arranged oppositely arranged along a first direction (X) and a circumferential surface (12212) connecting the two end surfaces, and the tab (1222) is arranged on one of the end surfaces. The heat-shrinkable film (123) is wrapped around the circumferential surface (12212) along a circumferential direction of the main body (1221), where the heat-shrinkable film (123) has a leading end (1231) and a trailing end (1232) in the circumferential direction, and the leading end (1231) and the trailing end (1232) are connected. With the heat-shrinkable film (123) provided, the manufacturing efficiency of the battery cell (12) can be improved to a certain extent, so that the manufacturing efficiency of the battery (100) is improved.

AQUEOUS POLYMER COMPOSITION FOR DISPERSING CARBON-BASED MATERIAL

Resumen de: WO2025132824A1

The invention relates to a process for preparing a component of a rechargeable battery, wherein a composition comprising a) water, b) an electrically conductive carbon-based material, and c) a polymer comprising repeating units of polymerized monomers of i) a vinyl aromatic monomer, ii) a polyether acrylate or polyether methacrylate, and iii) an ethylenically unsaturated monomer having 1 or 2 carboxylic acid groups, wherein at least a part of the carboxylic acid groups is present in salt form, is employed for preparing the component.

CATHODE ACTIVE MATERIAL FOR RECHARGEABLE BATTERIES

Resumen de: WO2025132353A1

The present invention relates to Li-rich Mn-rich cathode active material comprising high- valence transition metal ions, such as Mo, exhibiting high capacity comprising Li, M and O, wherein M comprises: Ni in a molar ratio x, wherein 0.10 ≤ x ≤ 0.50 relative to M; Mn in a molar ratio y, wherein 0.50 ≤ y ≤ 0.80 relative to M; and Mo in a molar ratio z, wherein 0.001 ≤ z < 0.05 relative to M; wherein the molar ratio of Li to M (Li/M) is between 1.00 and 1.60; and wherein the content of Li, Ni, Mn and Mo is measured by ICP-AES, and x+y+z is 1.00.

PROCESS AND PRODUCTION PLANT FOR RECOVERING METAL SALTS

Resumen de: WO2025132848A1

The present disclosure relates to a continuous process and a production plant for recovering metal salts from an acidic aqueous solution comprising nickel, cobalt, manganese, and lithium cations.

CARBON NANOTUBE DISPERSION LIQUID, RESIN COMPOSITION, MIXTURE SLURRY, ELECTRODE FILM, AND LITHIUM ION SECONDARY BATTERY

Resumen de: EP4831241A1

0001 A carbon nanotube dispersion liquid containing carbon nanotubes (A), a polyvinyl alcohol (B), and a solvent (C), in which X/Y satisfies 0.8≤X/Y≤5.5, wherein X represents a storage elastic modulus at a strain of 0.1% of the carbon nanotube dispersion liquid and Y represents a storage elastic modulus at a strain of 1% of the carbon nanotube dispersion liquid. Thus, a carbon nanotube dispersion liquid having improved dispersibility and viscosity stability is provided.

POWER SUPPLY DEVICE, POWER SUPPLY CASE FOR POWER SUPPLY DEVICE, AND METHOD FOR MANUFACTURING POWER SUPPLY DEVICE

Resumen de: EP4832205A1

A power supply device includes battery modules and a power-supply case accommodating the battery modules therein. Each battery module includes secondary battery cells. The power-supply case includes a case body having first and second surfaces opposite to each other and a plate portion fixed to a part of the case body. The first surface includes housing ports opening therein. Each battery module is accommodated removably in a corresponding housing port through the corresponding housing port. The plate portion is made of a member separable from the case body. The plate portion includes a stopper restricting an insertion distance by which each battery module is inserted into the corresponding housing port by interfering with an end surface of each battery module while the end surface of each battery module is inserted into the corresponding housing port toward the second surface of the case body.

FUSED PRODUCT COMPRISING NIOBIUM AND IN PARTICULAR INTENDED FOR AN ELECTRODE

Resumen de: WO2025133264A1

The invention relates to a fused polycrystalline product consisting of constituent elements M, niobium Nb, oxygen O, and optionally nitrogen N, together representing more than 90% of the weight of the product, and, optionally, an additional constituent element making up the remaining weight to 100%, wherein the constituent element M is selected from among titanium (Ti), magnesium (Mg), vanadium (V), chromium (Cr), tungsten (W), zirconium (Zr), molybdenum (Mo), copper (Cu), iron (Fe), gallium (Ga), germanium (Ge), calcium (Ca), potassium (K), nickel (Ni), cobalt (Co), aluminium (Al), tin (Sn), cerium (Ce), tellurium (Te), selenium (Se), silicon (Si), antimony (Sb), yttrium (Y), hafnium (Hf), tantalum (Ta), rhenium (Re), zinc (Zn), indium (In), cadmium (Cd), strontium (Sr), boron (B), lead (Pb), phosphorus (P), bismuth (Bi), sodium (Na), barium (Ba), and mixtures thereof, wherein the atomic proportions of the elements M, niobium Nb, oxygen O, and optionally nitrogen N are defined by the formula MmNbO(1-y)Nyn, and wherein the atomic number subscripts are such that: 0.019 ≤ m ≤ 7.692 and 0 ≤ y ≤ 0.210 and 0.060 ≤ n ≤ 953.850.

ENERGY STORAGE SYSTEM

Resumen de: WO2025129242A1

An energy storage system (10) having cells (11) arranged in series and a battery management system for monitoring voltages of the cells (11). Connection lines extend from a battery management controller to cell junctions. A voltage generator generates a first voltage on the first connection line and a second voltage on the second connection line and a control circuit is provided between each of the first and second connection lines and each of the junctions to which the connection line is connected. When the first and second voltages are generated, the control circuits will connect between the first connection line and a first cell junction where the voltage at said first cell junction is within a range of the first voltage and will connect between the second connection line and a second cell junction where the voltage at said second cell junction is within a range of the second voltage.

DEVICE FOR PRODUCING ELECTRONIC OR OPTOELECTRONIC COMPONENTS OR SOLID-STATE BATTERY LAYERS OR METAL SINGLE- OR MULTILAYERS

Resumen de: WO2025132229A2

The invention relates to a device (1) and a method for producing electronic or optoelectronic components or solid-state battery layers as composite bodies or metal single- or multilayers preferably by means of a chemical vapor deposition or a physical vapor deposition, or a combination thereof, onto a substrate (2), comprising a reactor (3) for receiving the substrate (2), said reactor (3) being paired with at least one heatable storage container (4) for storing metal or at least one metal compound or at least one non-metal or at least one non-metal compound or at least one semiconductor or at least one semiconductor compound (5) in a partially or completely liquefied or evaporated form. At least one line (6) for supplying gas (8a) leads into the at least one storage container (4), and at least one line (7) for discharging a mass flow from the storage container (4) leads out of the at least one storage container (4), wherein the line (6) for supplying gas (8a) connects the storage container (4) to a gas source (8), and the storage container (4) can be or is fluidically connected to the reactor (3) via the at least one line (7) for discharging the mass flow.

RECYCLED GRAPHITE MATERIAL PURIFICATION PROCESS

Resumen de: WO2025134006A1

The present invention relates to a process for the recovery of purified graphite materials from a recycled graphite concentrate, the process comprising: treating the recycled graphite concentrate in a caustic leach step, the caustic leach step comprising the contact of the recycled graphite concentrate with a sodium hydroxide solution at a temperature of at least 200°C and elevated pressure, and recovering a solid caustic leach product; and treating the solid caustic leach product in an acid leach step, the acid leach step comprising the contact of the solid caustic leach product with an acidic solution, and recovering a solid acid leach product, wherein the solid acid leach product comprises a purified graphite material.

ELECTRICITY STORAGE DEVICE AND VEHICLE

Resumen de: EP4830959A1

0001 A power storage device includes an accommodation casing (30), a power storage stack (42) accommodated in the accommodation casing (30), electrical equipment (40) accommodated in the accommodation casing (30), and a coupling member (32) provided in the accommodation casing (30). With a direction from the power storage stack (42) toward the electrical equipment (40) being defined as a first direction (L1) and with a direction opposite to the first direction (L1) being defined as a second direction (L2), the coupling member (32) includes a first connection portion (36) connected to a first portion and a second connection portion (35) located at a side of the first direction (L1) relative to the first connection portion (36), located above the first connection portion (36), and connected to a vehicle.

METHOD OF CONTROLLING A SLURRY MIXING PROCESS FOR ELECTRODE MANUFACTURING, METHOD FOR ELECTRODE MANUFACTURING, SLURRY MIXING APPARATUS AND ELECTRODE MANUFACTURING SYSTEM

Resumen de: WO2025131312A1

Aspects and embodiments of the present invention provide methods for closed-loop control of apparatus and systems for electrode manufacturing. Particularly, a method of controlling a slurry mixing apparatus and a method of controlling an electrode manufacturing system are provided. A closed-loop control method of the slurry mixing apparatus which is preferably based on in-line measurement of quality parameters, and a closed-loop overall control method of the electrode manufacturing system which is preferably based on in-line measurement of quality parameters allows for improvements in material and energy efficiency, improved accuracy and reliability in achieving quality, performance and safety targets of an electrochemical energy storage device.

METHOD OF CONTROLLING A COATING PROCESS FOR ELECTRODE MANUFACTURING, METHOD FOR ELECTRODE MANUFACTURING, COATING APPARATUS AND ELECTRODE MANUFACTURING SYSTEM

Resumen de: WO2025131317A1

Aspects and embodiments of the present invention provide methods for closed-loop control of apparatus and systems for electrode manufacturing. Particularly, a method of controlling a coating apparatus and a method of controlling an electrode manufacturing system are provided. A closed-loop control method of the coating apparatus, which is preferably based on in-line measurement of quality parameters, and a closed-loop overall control method of the electrode manufacturing system, which is preferably based on in-line measurement of quality parameters, allows for improvements in material and energy efficiency, improved accuracy and reliability in achieving quality, performance and safety targets of an electrochemical energy storage device.

PROPYLENE a-OLEFIN COPOLYMER, RESIN COMPOSITION, MOLDED BODY, AND POWER STORAGE DEVICE

Resumen de: EP4831211A1

One embodiment of a propylene/α-olefin copolymer includes a constituent unit (i) derived from propylene and a constituent unit (ii) derived from an α-olefin having 5 to 20 carbon atoms, and satisfies the following requirements (A1) and (A2):(A1) when the total content of the constituent unit (i) and the constituent unit (ii) is taken as 100 mol%, the content of the constituent unit (i) is 70 to 99 mol% and the content of the constituent unit (ii) is 1 to 30 mol%; and(A2) the melting point (Tm) measured by a differential scanning calorimeter (DSC) is lower than 130°C or is not observed.

PROCESS FOR THE PREPARATION OF SILICON-CONTAINING COMPOSITE PARTICLES

Resumen de: WO2025132867A2

A process for preparing composite particles, the process comprises the steps of: (a) providing a plurality of porous particles in a reactor, the reactor having an outer wall defining an internal volume for containing the plurality of porous particles; (b) stirring the plurality of porous particles with a stirring element located in the internal volume, the stirring element having one or more stirring surfaces, each stirring surface being an area of the stirring element defining an oblique angle to its velocity vector during stirring and arranged such that movement of the stirring surface through the plurality of porous particles urges the plurality of porous particles along the outer wall at an angle to the velocity vector and/or away from the outer wall, wherein either: the outer wall is movable for causing the stirring of the plurality of particles and the one or more stirring surfaces of the stirring element protrude from an inner surface of the movable outer wall; or the stirring element defines a clearance between the stirring element and an inner surface of the outer wall of less than 10% of an internal dimension of the reactor measured along the direction of the clearance; herein the mass of the plurality of porous particles contained in the internal volume during stirring is dependent on the volume of the internal volume, being no more than 500 kg m-3, and is dependent on the surface area of the one or more stirring surfaces, being no more than 1000 kg m-2, and wherei

INCIDENT MANAGEMENT FOR BATTERY ENERGY STORAGE SYSTEM

Resumen de: WO2025136393A1

The invention relates to an incident management system and method for monitoring a battery energy storage system and providing technical information related to an abnormal event in the battery energy storage system to a plurality of different users in different locations and with different requirements. The incident management system comprises one or more processing units configured to receive data from a plurality of sensors, the data encoding measured properties of the battery energy storage system, and process the received data to identify an abnormal event in the battery energy storage system, obtain information about the abnormal event, and determine a current stage of the abnormal event on a pre-defined incident progress timeline, the pre-defined incident progress timeline comprising a plurality of stages. An operator user interface for use by an operator of the battery energy storage system is configured to output information about the abnormal event. A first responder user interface for use by a first responder is configured to output a subset of the information about the abnormal event and output the current stage of the abnormal event on the incident progress timeline.

BATTERY HOUSING SHELL, BATTERY HOUSING COMPRISING A BATTERY HOUSING SHELL, AND BATTERY COMPRISING A BATTERY HOUSING SHELL

Resumen de: CN122555988A

The invention relates to a battery housing housing (10) for accommodating at least one battery component in an accommodating volume (1) at least partially delimited by the battery housing housing (10), the battery housing housing (10) having a channel bottom surface (11) and a first connecting surface (21) which is at least indirectly connected to the channel bottom surface (11). The battery housing shell (10) has a cover layer (30), which is connected in a fluid-tight manner to the first connection surface (21) so as to form a channel volume (41) delimited by the channel bottom surface (11) and the cover layer (30). A coolant inlet (50) of the battery housing housing (10) and a coolant outlet (60) of the battery housing housing (10) are fluidically connected to the channel volume (41) to form a coolant channel (40), and a cooling surface (31) of the cover layer (30) facing away from the channel volume (41) faces the receiving volume (1) and is designed to contact the battery assembly. The invention further relates to a battery housing having such a battery housing housing (10) and to a battery having such a battery housing housing (10).

POLYADDITION-CROSSLINKABLE SILICONE COMPOSITION FOR PREPARING THERMALLY CONDUCTIVE SILICONE ELASTOMER

Resumen de: WO2025133479A1

The present invention relates to silicone compositions that are crosslinked by polyaddition reaction, intended to produce thermally conductive components. Said silicone compositions comprise at least one organopolysiloxane A having, per molecule, at least one C2-C12 alkenyl group bonded to silicon, at least one organopolysiloxane B having, per molecule, at least two SiH units, a catalytically effective amount of at least one polyaddition catalyst C, and a thermally conductive filler D, characterized in that the organopolysiloxane A has a linear structure, a viscosity at 25°C of between 50 mPa·s and 200 mPa·s, and contains between 130 ppm and 1000 ppm by mass of OH groups bonded to silicon.

THERMALLY CONDUCTIVE SILICONE POTTING COMPOSITIONS, AND ARTICLES AND ASSEMBLIES THEREFROM

Resumen de: WO2025129422A1

A thermal-conductive silicone potting composition comprising a component (A) comprising: a vinyl organopolysiloxane, a catalyst, a filler combination, an optional pigment; a component (B) comprising an optional vinyl organopolysiloxane, a hydrogenated organopolysiloxane, an optional inhibitor, a filler combination, wherein the filler combination includes: a non-spherical alumina having an average particle size of less than 3 μm, an alumina having an average particle size of 5 μm to 15 μm, a spherical alumina having an average particle size of 30 μm to 70 μm. The thermal conductive silicone potting compositions show high thermal conductivity, high flowability, low viscosity and good storage stability.

BATTERY PACK

Resumen de: EP4832186A1

In a battery pack, an external output terminal exposed from an exterior case housing an assembled battery is fixed to an output bus bar. The external output terminal constituted by a clinching member, and the output bus bar has a connection opening into which a fixed end of the clinching member is press-fitted such that the clinching member is fixed upright. The exterior case includes a fixed portion having a terminal insertion opening, the external output terminal being fixed to the fixed portion, the clinching member passing through the terminal insertion opening, a chamfered portion is provided along at least one of an opening edge portion of the connection opening and an opening edge portion of the terminal insertion opening, which face each other, and an annular rubber-like elastic body is disposed. In a state in which the output bus bar fixed to the fixed portion, the rubber-like elastic body elastically deforms and seals between an outer peripheral surface of the clinching member and chamfered portion, such that the external output terminal is fixed to the exterior case in a waterproof structure.

SYSTEMS AND METHODS FOR PRODUCING DITHERED CHARGING SIGNALS

Resumen de: US20250211014A1

Systems and methods to charge a battery using a switch modulator and a shaping circuit comprising at least one switching element. The shaping circuit may be configured to receive an input charge supply from a power supply and the switch modulator may be operably coupled with the at least one switching element. Further, the switch modulator may actuate the at least one switching element at a selected duty cycle such that the shaping circuit produces a shaped charge signal, the selected duty cycle configured to vary within a switch modulator sample period.

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: EP4832236A1

0001 Provided is a non-aqueous electrolyte secondary battery comprising an electrode body in which a belt-form positive electrode (11) and a belt-form negative electrode (12) are wound with a separator interposed therebetween, wherein the non-aqueous electrolyte secondary battery is characterized in that: the surface of the positive electrode (11) is provided with a positive electrode current collector exposed portion (34) where a positive electrode current collector is exposed; the positive electrode current collector exposed portion (34) is covered by a protective tape (50); the protective tape (50) has a facing region (51) that faces the negative electrode (12), and a non-facing region (52) that does not face the negative electrode (12); and the non-facing region (52) is provided with at least one or more notches (53) that extend from an upper end (50A) of the protective tape (50) toward a lower-end (50B) side of the protective tape (50).

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: EP4832183A1

This non-aqueous electrolyte secondary battery (10) comprises an electrode body, a non-aqueous electrolyte, a cylindrical outer can (20) with a bottom that accommodates the electrode body and the non-aqueous electrolyte, a sealing body (30) closing an opening (24) of the outer can (20), an annular gasket (34) disposed between the outer can (20) and the sealing body (30), and a protective member (40) disposed between the outer can (20) and the gasket (34), and is characterized in that: the outer can (20) has a crimping portion (26) that extends radially inward and fixes the sealing body by crimping; and the protective member (40) has an exposed portion (41) disposed radially inward of a radial inner end (26A) of the crimping portion (26).

BATTERY MODULE

Nº publicación: EP4830066A1 28/10/2026

Solicitante:

RAEON LTD [GB]
Raeon Ltd

Resumen de: WO2025133600A1

There is provided a battery module comprising: a housing and multiple battery cells positioned within the housing, wherein the housing is manufactured by profiling and folding metal sheets; and a structural potting layer that encapsulates the battery cells within the housing. The structural potting layer self-moulds around the battery cells and maintains mechanical strength across a wide temperature range, such as approximately from -40°C to 75°C, providing both mechanical stability and thermal isolation.