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LastUpdate Última actualización 21/11/2025 [07:10:00]
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Publicaciones de los últimos 15 días/Last 15 days publications (excluidas pubs. CN y JP /CN and JP pubs. excluded)
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RECYCLING OF BATTERIES WITH A VACUUM CRUSHING-VAPORIZATION-COLLECTION SYSTEM

NºPublicación:  EP4646753A1 12/11/2025
Solicitante: 
EVOLVE RENEWABLE MAT INC [US]
Evolve Renewable Materials, Inc
AU_2024206311_PA

Resumen de: AU2024206311A1

According to an aspect, the present disclosure provides a method of recycling batteries. The method may comprise loading a battery into a processing system before pre-conditioning the battery and processing system, then shredding the battery under a vacuum condition and recovering a solvent chemical.

COMPOSITE SEMI-SOLID ELECTROLYTE AND BATTERIES COMPRISING THE SAME

NºPublicación:  EP4646751A1 12/11/2025
Solicitante: 
CELGARD LLC [US]
Celgard, LLC
CN_120814080_PA

Resumen de: WO2025212122A1

A composite for forming an improved semi-solid state electrolyte. The composite has a layer formed including lithium metaphosphate (LiPOs). The layer may include a mixture of LiPOs and PEO. The composite may be wet with liquid electrolyte to form the semi-solid state electrolyte. When used in a semi-solid state battery, the semi-solid state electrolyte provides beneficial results, including improved cycle life and less lithium dendrite growth. Another composite for forming an improved semi-solid state electrolyte has a layer formed including LiTaOs and LiNbOs. Yet another composite has a single layer formed to include a mixture of a polyethylene oxide and a lithium-containing salt, including a lithium salt including niobium, tantalum, or mixtures thereof. Such composites may be wet with liquid electrolyte to form the semi-solid state electrolyte. When used in a semi-solid state battery, the semi-solid state electrolyte provides beneficial results, including improved cycle life and less lithium dendrite growth.

SENSORS FOR BATTERY PROTECTION

NºPublicación:  EP4646774A1 12/11/2025
Solicitante: 
BAE SYS CONTROLS INC [US]
BAE Systems Controls Inc
KR_20250133308_PA

Resumen de: CN120500795A

A battery assembly includes a housing, an exhaust sensor located inside the housing, a pressure relief device located inside the housing, a pressure relief sensor located inside the housing, and a processor located inside the housing. The exhaust sensor is configured to sense an exhaust event of one or more battery cells inside the housing and output a first sensing signal. The pressure relief device is configured to release a gas pressure from the housing in response to a pressure inside the housing exceeding a threshold. The pressure release sensor is configured to sense a pressure release event caused by the pressure release device and output a second sensing signal. The processor is configured to receive the first sensing signal and the second sensing signal, and transmit information related to the first sensing signal and the second sensing signal to a system external to the housing.

COOLING COMPONENT AND BATTERY PACK

NºPublicación:  EP4647704A1 12/11/2025
Solicitante: 
EVE ENERGY CO LTD [CN]
Eve Energy Co., Ltd
EP_4647704_A1

Resumen de: EP4647704A1

The present application provides a cooling component and a battery pack. The cooling component include: a cooling bottom plate supporting bottoms of a battery cell; and a cooling side plate bent and connected to one side of the whole of the cooling bottom plate, and the cooling side plate abuts on and is thermally conductively connected to one side of the battery cell. The cooling side plate includes a flow channel part and a buffered part. The flow channel part is provided with one or more cooling flow channels. Each cooling flow channels is used to circulate the cooling medium. The buffered part is provided with a buffer cavity, and the buffer cavity extends along a length direction of the cooling side plate.

BATTERY CELL TRAY AND BATTERY CELL TRAY ASSEMBLY

NºPublicación:  EP4648197A1 12/11/2025
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
EP_4648197_PA

Resumen de: EP4648197A1

The present disclosure relates to a battery cell tray and a battery cell tray assembly, and the battery cell tray includes a lower plate where an accommodation portion accommodating one end of the battery cell is formed and an upper plate formed to be penetrated by the battery cell, wherein the lower plate and the upper plate may be coupled to each other in a sliding movable way between a first state where an opening of the accommodation portion is opened and a second state where an opening of the accommodation portion is at least partially closed.The battery cell tray and the battery cell tray assembly according to the present disclosure may accommodate, fix and move curved battery cells, and reduce the risk of damage to curved battery cells and fire during charging and discharging.

REUSED SECONDARY BATTERY MANAGEMENT METHOD AND REUSED SECONDARY BATTERY MANAGEMENT SYSTEM

NºPublicación:  EP4647989A1 12/11/2025
Solicitante: 
TOYO SYSTEM CO LTD [JP]
Toyo System Co., Ltd
EP_4647989_PA

Resumen de: EP4647989A1

Provided are a reused secondary battery management method and a reused secondary battery management system capable of managing a reused secondary battery even when the reused secondary battery is a secondary battery produced by reusing cells that constitute a used secondary battery. In the secondary battery management method and the secondary battery management system, when the reused secondary battery is a secondary battery produced by reusing cells that constitute the used secondary battery, data for identifying a model of the used secondary battery before being reused is recorded in the reused secondary battery and/or an attached member attached to and used for the reused secondary battery during a period from the production of the reused secondary battery until the start of reuse of the reused secondary battery.

BATTERY DEVICE

NºPublicación:  EP4648191A1 12/11/2025
Solicitante: 
CALB GROUP CO LTD [CN]
CALB Group Co., Ltd
EP_4648191_PA

Resumen de: EP4648191A1

A battery device is provided, the battery device including: a plurality of cylindrical batteries (1), the cylindrical battery (1) including a battery housing (11) and an insulating coating (2) formed on an outer surface of the battery housing (11), wherein a minimum distance between adjacent cylindrical batteries (1) is h1, a thickness of the insulating coating (2) is d, and d*h1 is 0.04 mm<sup>2</sup>-0.64 mm<sup>2</sup>. The battery device can improve an insulation effect between cylindrical batteries on the premise of ensuring energy density of the battery device.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME

NºPublicación:  EP4648134A1 12/11/2025
Solicitante: 
BATTERY SOLUTION INC [KR]
Battery Solution Inc
EP_4648134_PA

Resumen de: EP4648134A1

The positive electrode active material according to the present invention may: comprise lithium, a transition metal, and oxygen; comprise a layered crystalline structure in which a lithium layer comprising the lithium and a transition metal layer comprising the transition metal are alternately and repeatedly arranged; and have provided, in the lithium layer or the transition metal layer, a partially regular mixed structure in which a unit arrangement is repeatedly provided in one direction, the unit arrangement having any one of the transition metal and the lithium arranged twice in a row in the one direction, and then the other arranged one time in the one direction.

ELECTRODE SUPPLY DEVICE, ELECTRODE ASSEMBLY MANUFACTURING DEVICE USING SAME, ELECTRODE SUPPLY METHOD, AND ELECTRODE ASSEMBLY MANUFACTURING METHOD USING SAME

NºPublicación:  EP4648150A1 12/11/2025
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
EP_4648150_PA

Resumen de: EP4648150A1

An object of the present invention is to provide an electrode supply device, an electrode assembly manufacturing apparatus using the same, an electrode supply method, and an electrode assembly manufacturing method using the same.

BATTERY PACK

NºPublicación:  EP4648198A1 12/11/2025
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
EP_4648198_PA

Resumen de: EP4648198A1

A battery pack according to the present invention is disclosed. The battery pack of the present invention includes: a main frame provided with an accommodating space and an open upper portion; a side beam dividing the accommodating space where a battery module is accommodated and provided with an inner space spatially connected to the accommodating space, the side beam including a gas inlet disposed at two widthwise ends thereof that spatially connect the accommodating space and the inner space; and a lid covering the accommodating space of the main frame and provided with a flowing space connected to the inner space and an exhaust outlet connected to the flowing space.

ELECTROLYTIC SOLUTION FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

NºPublicación:  EP4648161A1 12/11/2025
Solicitante: 
SK ON CO LTD [KR]
SK INNOVATION CO LTD [KR]
SK On Co., Ltd,
SK Innovation Co., Ltd
EP_4648161_PA

Resumen de: EP4648161A1

The present disclosure relates to an electrolytic solution containing a phosphorofluoridate compound for a lithium secondary battery, and a lithium secondary battery comprising the electrolytic solution, wherein the lithium secondary battery comprising the electrolytic solution according to one embodiment produces an output that does not degrade even under high-voltage conditions, has excellent lifespan characteristics, and exhibits excellent storage stability and a high capacity-recovery rate at high temperatures. Additionally or alternatively, the lithium secondary battery comprising the electrolytic solution according to one embodiment has excellent output characteristics resulting from reduced internal resistance of the battery and exhibits excellent cycle characteristics and stability even when charged in high-temperature and high-voltage conditions.

ROLL STACKING DEVICE FOR SECONDARY BATTERIES

NºPublicación:  EP4648146A1 12/11/2025
Solicitante: 
LG ELECTRONICS INC [KR]
LG Electronics Inc
EP_4648146_PA

Resumen de: EP4648146A1

A roll stacking device for secondary batteries according to the present embodiment comprises: an input conveyor for transferring cells; a discharge conveyor spaced apart from the input conveyor; and a roll module having rolls for stacking the cells transported by the input conveyor on the upper side of the discharge conveyor in a forward-backward direction, wherein the rolls include a roll body on which at least one cell seating portion is formed and an adsorption pad which is mounted on the roll body and adsorbs the cells.

PREDICTION OF THERMAL RUNAWAY IN BATTERIES

NºPublicación:  EP4648171A1 12/11/2025
Solicitante: 
VOLVO TRUCK CORP [SE]
VOLVO TRUCK CORPORATION
EP_4648171_PA

Resumen de: EP4648171A1

A computer system is disclosed for training a model to predict a thermal runaway event in a battery cell, the computer system comprising processing circuitry configured to acquire data regarding one or more operating states associated with thermal runaway of a battery cell, and train a model to predict a thermal runaway event based on the acquired data using a cross-entropy cost function. A computer system for predicting a thermal runaway event in a battery cell using a trained model is also disclosed.

BATTERY CELL, VEHICLE AND METHOD FOR MANUFACTURING A BATTERY CELL

NºPublicación:  EP4648185A1 12/11/2025
Solicitante: 
VOLVO CAR CORP [SE]
Volvo Car Corporation
EP_4648185_PA

Resumen de: EP4648185A1

The disclosure relates to a battery cell (10) comprising a housing (20) having an inner wall (21), a first battery terminal (30) and a second battery terminal (40), the battery cell (10) further comprising an electrode assembly (11) with a first electrode (13) having a first current collector (14) being electrically connected to the first battery terminal (30) and a second electrode (15) having a second current collector (16) being electrically connected to the second battery terminal (40), the battery cell (10) comprising an isolating material (51) electrically isolating the first current collector (14) from the inner wall (21), the isolating material (51) being applied at least to a portion of the inner wall (21).

BATTERY CELL FOR A VEHICLE

NºPublicación:  EP4648184A1 12/11/2025
Solicitante: 
VOLVO CAR CORP [SE]
Volvo Car Corporation
EP_4648184_PA

Resumen de: EP4648184A1

The disclosure relates to a battery cell (10) comprising a housing (20) having an inner wall (21), a first battery terminal (30) and a second battery terminal (40), the battery cell (10) further comprising an electrode assembly (11) with a first electrode (13) having a first current collector (14) being electrically connected to the first terminal (30) and a second electrode (15) having a second current collector (16) being electrically connected to the second terminal (40), the second current collector (16) being configured with a variable height along an extension axis (h) of the housing (20), the variable height varying based on a temperature of the electrode assembly (11), and the second current collector (16) being able to slide along the extension axis (h) the relative to the housing (20).

PROCESS UNIT FOR SECONDARY CELL BATTERY MANUFACTURE

NºPublicación:  EP4648147A1 12/11/2025
Solicitante: 
TM PLAZA CO LTD [KR]
TM Plaza Co., Ltd
EP_4648147_PA

Resumen de: EP4648147A1

A process unit (100) for secondary cell battery manufacture, comprising: a mounting plate (110) having a first horizontal rail (111) formed on an upper part; a vertical plate (120) vertically coupled to an upper part of one side of the mounting plate (110); a vertical moving guide plate (130) coupled to an inner side of the vertical plate (120) and having a vertical rail (131) formed on a front side; a second horizontal rail (140) formed across the vertical plate (120) at an inside lower part; a process block (150) connected to the first and second horizontal rails (111) and (140) and having a gas removal unit (151) formed on a front surface to remove gases in a secondary battery cell (10); a pivot hinge assembly (160) that is located on the upper side of the process block (150), is connected to the process block (150), and allows the process block (150) to move forward or backward as it moves upward or downward; and a first drive (170) coupled to the upper part of the pivot hinge assembly (160).

METHOD FOR DEEP DISCHARGING BATTERIES FOR A RECYCLING PROCESS AND DEVICE FOR DEEP DISCHARGING A BATTERY

NºPublicación:  EP4648175A1 12/11/2025
Solicitante: 
SIEMENS AG [DE]
Siemens Aktiengesellschaft
EP_4648175_PA

Resumen de: EP4648175A1

Die Erfindung betrifft ein Verfahren zum Tiefenentladen einer Batterie (2) für einen Recyclingprozess, umfassend folgende Schritte:- Messen der Temperatur der Batterie (2),-Anschließen mindestens eines Verbrauchers (4) zur Entladung der Batterie (2) dadurch gekennzeichnet, dass- ein elektrisches Kühlelement (6) physisch zur Kühlung an die Batterie (2) angeordnet wird- ein Temperaturschwellwert (Ts) für die Temperatur (T) der Batterie (2) an einem Temperaturmesspunkt (8) der Batterie (4) festgelegt wird- und der Verbraucher (4) in Form des Kühlelementes (6) zugeschaltet wird,- wenn der Temperaturschwellwert (Ts) überschritten wird.

BATTERY MODULE, BATTERY PACK, AND METHOD OF MANUFACTURING BATTERY PACK

NºPublicación:  EP4648190A1 12/11/2025
Solicitante: 
EVE ENERGY CO LTD [CN]
Eve Energy Co., Ltd
EP_4648190_PA

Resumen de: EP4648190A1

A battery module includes battery cell groups and a bracket. The bracket includes at least one middle bracket (20) and a top bracket (30). The middle bracket (20) is arranged between, any one or a combination of, the top battery cell group and the non-top battery cell group and adjacent two of the battery cell groups of the non-top battery cell group. The top bracket (30) is arranged on a side of the top battery cell group facing away from the non-top battery cell group. Each of a side surface of the middle bracket (20) adjacent to the battery cell groups and a side surface of the top bracket (30) adjacent to the battery cell groups is provided with first accommodating grooves (21) arranged along the first direction (A). Each of the battery cells (10) is fixed in a corresponding one of the first accommodating grooves (21).

ANODE PIECE, BATTERY, AND ELECTRIC APPARATUS

NºPublicación:  EP4648156A1 12/11/2025
Solicitante: 
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
Contemporary Amperex Technology Co., Limited
EP_4648156_PA

Resumen de: EP4648156A1

The present application provides a negative electrode plate, a battery, and an electrical apparatus. The negative electrode plate comprises a negative electrode current collector and a negative electrode film layer located on at least one surface of the negative electrode current collector. The negative electrode film layer comprises a base coating and a negative electrode active layer. The base coating is located between the negative electrode current collector and the negative electrode active layer. The base coating comprises a conductive agent and a first binder. The negative electrode active layer comprises a silicon-based material. The tensile strength of the negative electrode current collector is ≥ 800 MPa, and the peel strength of the negative electrode film layer is ≥ 28 N/m. The fitting between the current collector and the active layer can reduce the risk of the electrode plate wrinkling during charging, and the base coating can increase the bonding force between the negative electrode film layer and the negative electrode current collector while maintaining the conductivity, thereby reducing the risk of detachment of the negative electrode film layer from the electrode plate.

FLUORINATED SALT AS COMPONENT OF ELECTROLYTES FOR IMPROVING PERFORMANCE OF CELLS AND BATTERIES

NºPublicación:  EP4648133A1 12/11/2025
Solicitante: 
FUNDACION CENTRO DE INVESTIG COOPERATIVA DE ENERGIAS ALTERNATIVAS CIC ENERGIGUNE FUNDAZIOA [ES]
Fundaci\u00F3n Centro de Investigaci\u00F3n Cooperativa de Energ\u00EDas Alternativas, CIC Energigune Fundazioa
EP_4648133_PA

Resumen de: EP4648133A1

The present invention relates to an electrochemical cell comprising:a) an electrolyte comprising a salt of formula (I):wherein:M is a metal cation or an organic cation; andthe subscript "m" is a positive integer number that refers to the number of anions needed to neutralize the charge of the cation M;wherein the electrolyte is liquid, gel or solid, and further characterized in that the electrolyte does not comprise a fluorinated ether when the electrolyte is liquid or gel;andb) a metal anode.The invention also relates to an electrochemical battery comprising said electrochemical cell and uses thereof.

COMPOSITE SOLID ELECTROLYTE

NºPublicación:  EP4648138A1 12/11/2025
Solicitante: 
BELENOS CLEAN POWER HOLDING AG [CH]
Belenos Clean Power Holding AG
EP_4648138_PA

Resumen de: EP4648138A1

The present invention relates to a composite solid electrolyte mixture comprising a the lithium garnet-type structure material and LiBSCl, wherein LiBSCl comprises Li<sub>3</sub>BO<sub>3</sub>, Li<sub>2</sub>SO<sub>4</sub> and LiCl. The invention further relates to a composite solid electrolyte obtained from the mixture, a solid state battery comprising the composite solid electrolyte, and to methods of producing the composite solid electrolyte and the solid state battery.

GLASS CERAMIC SOLID ELECTROLYTE

NºPublicación:  EP4647407A1 12/11/2025
Solicitante: 
BELENOS CLEAN POWER HOLDING AG [CH]
Belenos Clean Power Holding AG
EP_4647407_PA

Resumen de: EP4647407A1

The present invention relates to a glass ceramic solid electrolyte mixture comprising glass ceramic solid electrolyte comprising a ternary glass ceramic of borate, Li<sub>2</sub>SO<sub>4</sub> and a lithium halide. The invention further relates to a glass ceramic solid electrolyte obtained from the mixture, a solid state battery comprising the glass ceramic solid electrolyte, and to methods of producing the glass ceramic solid electrolyte and the solid state battery.

BATTERY SYSTEM WITH DEFORMABLE END PLATE

NºPublicación:  EP4648189A1 12/11/2025
Solicitante: 
SAMSUNG SDI CO LTD [KR]
Samsung SDI Co., Ltd
EP_4648189_PA

Resumen de: EP4648189A1

The present disclosure refers to a battery system (100) including a plurality of battery cells (12) arranged along a stacking axis (X) to form a cell stack (10), a cell stack frame (20) accommodating the cell stack (10), and an end plate (30, 30') disposed at an end of cell stack frame (20), the end plate (30, 30') including a plate element (32) in contact with the cell stack (10) and deformation structures (34, 34') extending from the plate element (32) at opposite sides thereof parallel to the stacking axis (X), each deformation structure (34, 34') including a first compression portion (36) and a first extension portion (37) that are connected in series and are arranged overlapping each other in a direction perpendicular to the stacking axis (X), wherein the end plate (30, 30'), in an assembly position, is supported by the cell stack frame (20) such that, while the first compression portion (36) is compressed and the first extension portion (37) is extended, the plate element (32) exerts a pressure onto the cell stack (10).

EXPLOSION-PROOF VENTING VALVE DEVICE

NºPublicación:  EP4646760A1 12/11/2025
Solicitante: 
MANN & HUMMEL GMBH [DE]
MANN+HUMMEL GmbH
CN_120937188_PA

Resumen de: US2025286205A1

An explosion-proof venting valve for a battery pack includes a protective cover, a cover seat engaged with the protective cover, and a membrane being water-impermeable and gas-permeable, the membrane being disposed under the protective cover. The explosion-proof venting valve further includes a valve body configured to be connected with a housing of the battery pack, a self-locking mechanism disposed on the cover seat, the protective cover, the cover seat, the membrane and the self-locking mechanism forming a cover assembly defining a venting passage, and a filter element housed in the valve body, the filter element and the valve body defining a valve passage.

EXPLOSION-PROOF VENTING VALVE WITH LOCKING STRUCTURE

Nº publicación: EP4646759A1 12/11/2025

Solicitante:

MANN & HUMMEL GMBH [DE]
MANN+HUMMEL GmbH

WO_2025189306_PA

Resumen de: WO2025189306A1

An explosion-proof venting valve (100) for a battery pack includes a protective cover (1) including at least one first venting hole (11), acover seat (3) removably engaged with the protective cover (1), the cover seat (3) including a locking hole (34) extending radially relative to a longitudinal axis (30) of the explosion-proof venting valve (100), amembrane (2) that is water-impermeable and is gas-permeable, the membrane (2) being interposed between the cover seat (3) and the protective cover (1), and a valve body (5) including a hollow main body portion (52), ahollow cylindrical central portion (57), aplurality of ribs extending radially between the main body portion (52) and the central portion (57), and a plurality of relief holes (51) interposed between the plurality of ribs, the main body portion (52) and the central portion (57).

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