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BATTERY PACK AND METHOD FOR REPLACING SECONDARY BATTERY CELL THEREOF

Absstract of: EP4826880A1

0001 A method includes steps of: cutting a first lead connection tab of at least one of first lead plates; removing the first lead plate from a battery holder and extracting, from the battery holder, one or more secondary battery cells connected to the first lead plate among a plurality of secondary battery cells; inserting another secondary battery cell into a portion of the battery holder from which the one or more secondary battery cells have been extracted and connecting a second lead plate to an end face of the other secondary battery cell; and connecting a second lead connection tab, provided on a portion of the second lead plate and disposed off-center so as not to overlap with a position corresponding to the first lead connection tab of the first lead plate, to a blank region that is wider than the width of the first lead connection tab and that is free of the first lead connection tab.

BATTERY PACK AND VEHICLE COMPRISING SAME

Absstract of: EP4826850A1

Disclosed is a battery pack and a vehicle including the same. The battery pack includes a battery module having a plurality of battery cells; a pack case configured to accommodate the plurality of battery modules; and a cooling member accommodated in the pack case and configured to contact the plurality of battery modules, wherein some of the plurality of battery modules are in contact with one surface of the cooling member, and the remainder of the plurality of battery modules are in contact with the other surface of the cooling member.

NEGATIVE ELECTRODE MANUFACTURING SYSTEM AND NEGATIVE ELECTRODE MANUFACTURING METHOD USING SAME

Absstract of: EP4826766A1

0001 The present disclosure relates to a negative electrode manufacturing system and a method for manufacturing a negative electrode using the same. Since the negative electrode manufacturing system exhibits magnetism of mutually different polarities in the body of the upper block and the die lip of the lower block of the dual-slot die, it is possible to directly discharge a negative electrode slurry to which a magnetic field has been applied onto a moving current collector. In addition, the negative electrode slurry discharged from the dual-slot die is applied such that the in-plane crystallographic planes of the carbon-based negative electrode active material are oriented at a predetermined angle with respect to the surface of the current collector on which the negative electrode slurry is applied, thereby providing the advantage of achieving a high degree of orientation of the carbon-based negative electrode active material after rolling.

BATTERY DEVICE, REFRIGERANT HEAT-EXCHANGE DEVICE AND ELECTRIC DEVICE

Absstract of: EP4826844A1

0001 The present application belongs to the technical field of battery production. Provided are a battery apparatus, a refrigerant heat exchange apparatus and an electrical apparatus. The battery apparatus comprises a box body assembly, a battery cell assembly and a refrigerant heat-exchange component, wherein the box body assembly has an accommodating cavity; the battery cell assembly is arranged in the accommodating cavity; the battery cell assembly comprises a plurality of battery cell groups, each battery cell group comprising a plurality of battery cells stacked in a first direction, and the plurality of battery cell groups being arranged side by side in a second direction, the refrigerant heat-exchange component has a heat-exchange surface, the refrigerant heat-exchange component comprises a plurality of main heat-exchange flow channels, which are arranged in parallel in the second direction, each main heat-exchange flow channel comprises a main flow diversion node portion, a main flow confluence node portion and a main region flow channel portion; each main region flow channel portion comprises heat-exchange sub-flow channels connected in parallel; the projection region of each battery cell group on the heat-exchange surface covers at least one main heat-exchange flow channel; and the second direction is perpendicular to the first direction. The present application aims to improve the temperature equalization capability of the refrigerant heat-exchange component.

VALUABLE METAL RECOVERY COMPOSITION AND METHOD OF RECOVERING VALUABLE METAL

Absstract of: EP4826838A1

The present invention relates to a valuable-metal recovery composition and a method for recovering valuable metals. The valuable-metal recovery composition includes a valuable-metal recovery alloy including a carbon layer, and a lithium compound, wherein the carbon layer is disposed on at least a part of at least one of a surface and an inside of the valuable-metal recovery alloy, and the content of carbon (C) in the carbon layer is 60 wt% or more based on 100 wt% of the carbon layer.

BATTERY CELL WITH SAFETY LAYER

Absstract of: WO2025128939A1

A battery cell comprising a composite water-responsive safety layer and/or composite water- and pH-responsive safety layer to protect against bodily tissue damage and/or electrolysis, when the battery cell is exposed to aqueous solution or bodily tissue, is provided.

PRECURSOR FOR NEGATIVE ELECTRODE MATERIAL OF LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME

Absstract of: EP4826786A1

0001 One aspect of the present invention provides: a precursor for a negative electrode material of a lithium secondary battery; and a method for manufacturing same, wherein by controlling the molding density of a negative electrode material precursor of a lithium secondary battery, high capacity characteristics and excellent lifespan characteristics of a negative electrode material can be ensured.

NICKEL-PLATED STEEL SHEET FOR CANS AND MANUFACTURING METHOD THEREOF

Absstract of: EP4826061A1

0001 A Ni plated steel sheet for cans according to an embodiment of the present invention comprises a base steel sheet, a Ni plating layer located on one or both surfaces of the base steel sheet, and an Fe-Ni alloy layer located between the base steel sheet and the Ni plating layer, wherein the base steel sheet comprises, in wt%, C: 0.02 to 0.07%, Mn: 0.1 to 0.4%, Al: 0.01 to 0.06%, and Ti: 0.02 to 0.06%, and the balance of Fe and other unavoidable impurities, an ASTM grain size number is 11.3 or more, a tensile strength is 420 MPa or more, an elongation is 20% or more, an in-plane anisotropy Δr is 0.4 or less, and a thickness of the Fe-Ni alloy layer is 0.5 to 2.5 µm.

POWER RECEIVING DEVICE

Absstract of: EP4826953A1

A power receiving device (100) configured to receive a first AC power in a non-contact manner includes a first resonant circuit (110), a power conversion circuit (120), a battery (130), a second resonant circuit (140) connected to an input part of the AC power in the power conversion circuit, a battery sensor (160), a power receiving sensor (180), and a control circuit (150), wherein the power conversion circuit can convert the first AC power (AC1) supplied from the first resonant circuit (110) into a first DC power and supply the first DC power to the battery, and can convert the second DC power supplied from the battery into a second AC power and supply the second AC power to the second resonant circuit, and the control circuit converts the second DC power and supplies the second DC power to the second resonant circuit when the temperature detected by the battery sensor is within a predetermined first range.

BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUS

Absstract of: EP4826860A1

0001 The embodiments of the present application provide a battery cell, a battery, and an electrical apparatus. The battery cell comprises a housing, a top cover, and an electrode assembly. The housing is provided with an accommodating space and an opening. The top cover seals and covers the opening. The electrode assembly is arranged within the accommodating space. The top cover comprises a cover body, a connecting side wall and a groove formed between the cover body and the connecting side wall, and an end portion of the housing extends into the groove and is connected with the top cover. When the electrode assembly expands cyclically and produces gas during charging and discharging, the housing deforms outwards when force is produced at the connection between the housing and the top cover, and the connecting side wall limits and supports the housing, so as to limit further outward deformation of the housing to a certain extent, thereby reducing the risk of fatigue cracking of the connecting structure between the housing and the top cover, improving the problem of failure of the connecting structure between the housing and the top cover, and increasing the service life.

BATTERY PACK

Absstract of: EP4826852A1

0001 An assembled battery includes a holding member configured to hold a plurality of batteries, a stacked battery in which the plurality of batteries are stacked in a stacking direction via the holding member, and a ventilation path adjacent to the stacked battery, extending in the stacking direction, and forming a flow path of cooling wind for cooling the plurality of batteries. The ventilation path includes an air intake port for taking the cooling wind into the ventilation path. The holding member includes a ventilation hole opened to the ventilation path side and a side opposite to the ventilation path to cause the cooling wind to flow from the ventilation path to the stacked battery. The ventilation hole includes a bottom surface ventilation hole opened toward spaces formed between bottom surfaces of the plurality of batteries and a bottom surface of the holding member.

ALL-SOLID-STATE BATTERY

Absstract of: EP4826892A1

0001 In an all-solid-state battery including a sulfide-based solid-state-electrolyte and using a conductive porous sheet for connection between an electrode and a conductive path of an exterior body, internal resistance of the battery is reduced and increase of the internal resistance with time is prevented. The all-solid-state battery of the present invention is characterized in that it includes: an electrode stacked body having a positive electrode, a negative electrode, and a solid electrolyte layer; and an exterior body having the electrode stacked body sealed inside of the exterior body, wherein the exterior body has a conductive path extending from the inside to the outside, a porous metal substrate is interposed between the positive electrode and/or the negative electrode and a conductive path of the exterior body, at least one of the positive electrode, the negative electrode, and the solid electrolyte layer includes a sulfide-based solid electrolyte, the porous metal substrate is formed of an alloy containing Ni and Cr, a content of Ni in the alloy is 60 mass% or more, and a content of Cr in the alloy is 0.1 mass% or more and 40 mass% or less.

NON-AQUEOUS ELECTROLYTE AND LITHIUM-ION BATTERY

Absstract of: EP4826825A1

0001 A non-aqueous electrolyte and a lithium-ion battery. The non-aqueous electrolyte comprises a lithium salt, an organic solvent, and an Additive A and Additive B, wherein the structural formula of Additive A is as shown in (I), wherein R<1> is selected from alkylene, fluoroalkylene, alkenylene, or fluoroalkenylene, and R<2> is selected from fluoroalkyl or fluoroalkenyl; and the Additive B is a boron-containing lithium salt. By compounding the additive A and the boron-containing lithium salt additive, the cycle performance, high-temperature performance and rate capability of a lithium-ion battery are improved; and by means of further combination with other components in the non-aqueous electrolyte, the high-temperature performance and cycle performance of the lithium-ion battery at a conventional voltage are ensured, and moreover when the voltage is increased to 4.5 V or even higher, the lithium-ion battery still has better high-temperature performance and cycle performance, and also has better safety performance and electrochemical performance.

AEROSOL GENERATION DEVICE

Absstract of: EP4825207A1

An inhalation device (100), which is an example of an aerosol generation device, comprises: a power source unit (111) configured to be capable of supplying power to a heater unit (60) for heating an aerosol source; a main body side board unit (90) on which an MCU (1161) controlling the supply of power to the heater unit (60) is mounted; and a case (case 20) having a power source accommodating portion (200) and a board accommodating portion (210). the case (20) includes a connection portion (connection portion 20x) to which the power source unit (111) is connected, and a regulator (regulator 29) restricting intrusion of the power source unit (111) into the board accommodating portion (210). The regulator (29) is arranged at least between the power source accommodating portion (200) and a mounting section of the MCU (1161) when viewed from the power source accommodating portion (200). The power source unit (111) has a battery (1111) and a protective circuit that includes a protective IC (1114) and a switch circuit (1113), and is removably arranged in the power source accommodating portion (200).

THERMALLY CONDUCTIVE GAP FILLER COMPOSITIONS WITH STORAGE STABILITY

Absstract of: WO2025128179A1

Thermally conductive compositions may include: an isocyanate component containing a blocked isocyanate; an isocyanate-reactive component containing: one or more polyetheramines and one or more magnesium oxide particles; and one or more thermally conductive fillers present in one or more of the isocyanate component and the isocyanate-reactive component; wherein the thermally conductive composition has a thermal conductivity of greater than 1 W/m.K. Methods may include combining an isocyanate component and an isocyanate-reactive component; and emplacing the resulting thermally conductive composition between a heat source and a heat sink in an EV battery.

MANUFACTURING METHOD FOR LITHIUM PHOSPHATE

Absstract of: EP4825798A1

A manufacturing method of lithium phosphate includes: introducing a lithium-containing solution into a reactor; introducing an alkaline material and a phosphorus supplying material into the reactor; stirring the lithium-containing solution into which the alkaline material and the phosphorus supplying material are introduced to grow lithium phosphate nucleus particles and obtain a lithium phosphate slurry; and separating the slurry into solid and liquid to obtain the lithium phosphate, in which one of the alkaline material and the phosphorus supplying material is introduced into an upper portion of the reactor, and the other is introduced into a lower portion of the reactor.

NICKEL PLATED STEEL SHEET FOR CANS AND MANUFACTURING METHOD THEREFOR

Absstract of: EP4826060A1

0001 A Ni plated steel sheet for cans according to an embodiment of the present invention comprises a base steel sheet, a Ni plating layer located on one or both surfaces of the base steel sheet, and an Fe-Ni alloy layer located between the base steel sheet and the Ni plating layer, wherein the base steel sheet comprises, by weight %, C: 0.02 to 0.07%, Mn: 0.1 to 0.4%, Al: 0.01 to 0.06%, and Nb: 0.01 to 0.04%, with the balance being Fe and other inevitable impurities, wherein an ASTM grain size number is 11.3 or more, wherein a tensile strength is 420 MPa or more, wherein an elongation is 20% or more, wherein an in-plane anisotropy Δr is 0.4 or less, and wherein a thickness of the Fe-Ni alloy layer is 0.5 to 2.5 µm.

POWER SUPPLY UNIT FOR AEROSOL GENERATION DEVICE

Absstract of: EP4825220A1

0001 A power source unit (111) that can store electrical power is replaceably mounted on a power supply unit (110) of an inhalation device (100), which heats an aerosol source to generate an aerosol. The power supply unit (110) comprises: terminal connections (20a, 20b) for electrically connecting to terminals of the power source unit (111); and a control unit (116) for controlling the power supply unit (110). After the power source unit (111) is connected to the terminal connections (20a, 20b), the control unit (116) activates the power supply unit (110) when a predetermined operation is input by the user.

BATTERY MODULE AND BATTERY PACK INCLUDING SAME

Absstract of: EP4826886A1

A battery module according to an embodiment of the present invention includes a battery cell stack in which a plurality of battery cells are stacked, a busbar frame formed on a front surface and a rear surface of the battery cell stack, respectively, a connecting portion connected to an upper portion of the battery cell stack and configured to interconnect the busbar frames formed on the front surface and the rear surface, a first connector connected to both side end portions of the connecting portion, a second connector fixed to the busbar frame, and coupled to the first connector, and a dam portion disposed in a lower portion of the second connector and fixed to the busbar frame.

BATTERY PACK AND DEVICE INCLUDING SAME

Absstract of: EP4826815A1

A battery pack according to an embodiment of the present disclosure comprise: first and second battery cell stacks formed by stacking a plurality of battery cells; a pack case configured to house the first and second battery cell stacks and to be opened on both sides; end plates disposed on the opened both sides of the pack case; first and second pressing plates located inside the pack case and disposed between the first battery cell stack and the second battery cell stack; and a pressing unit disposed between the first and second pressing plates to apply pressure to the first and second battery cell stacks.

APPARATUS FOR MANUFACTURING ELECTRODE ASSEMBLY

Absstract of: EP4826814A1

An embodiment of the present disclosure provides an apparatus for manufacturing an electrode assembly in which a positive electrode plate and a negative electrode plate are alternately stacked with a separator interposed between them, the apparatus comprising: a separator supply unit that supplies the separator; an electrode supply unit that supplies the positive electrode plate and the negative electrode plate, respectively; and a plurality of stack units in which a stacking process of the electrode assembly is performed, wherein each of the plurality of stack units is movable along a circulation path, and wherein when the stacking process of the electrode assembly is completed in one of the plurality of stack units, the stacking process is performed in the other of the plurality of stack units.

ALL-SOLID-STATE RECHARGEABLE BATTERY

Absstract of: EP4826829A1

0001 Provided is an all-solid rechargeable battery including: an all-solid-state electrode assembly including a negative electrode, a positive electrode, and a solid electrolyte layer placed between the negative electrode and the positive electrode; a pouch which stores the all-solid-state electrode assembly in an inner space and includes a sealing part which seals the inner space; a negative electrode tab which protrudes from the negative electrode of the all-solid-state electrode assembly through the sealing part to the outside of the pouch; and a positive electrode tab which is separated from the negative electrode tab and protrudes from the positive electrode of the all-solid-state electrode assembly through the sealing part to the outside of the pouch.

MODULAR ELECTROCHEMICAL BATTERY-FRICTION GENERATOR WITH INTERNAL ELEMENTS FRICTION AND EXTERNAL ACTIVATION

Absstract of: LV16068A

Izgudrojums attiecas uz elektroķīmiskās enerģijas uzkrāšanas un ražošanas tehnoloģijām, īpaši uz modulāru akumulatoru-berzes ģeneratoru ar ārēju aktivāciju. Piedāvātais izgudrojums ir modulārs elektroķīmisks akumulators-berzes ģenerators ar ārēju aktivāciju, kurā enerģijas ģenerēšana un uzkrāšana notiek, izmantojot iekšējo elementu savstarpējo berzi. Konstrukcija ir atvērta, un mitrināmais separators (2) nodrošina nepārtrauktu elektroķīmisko reakciju. Katrs modulis sastāv no alumīnija anoda (1), aktīvās ogles katoda (3) un mitrināta neausta neilona separatora (2), un šie moduļi ir secīgi savienoti uz rotējošas ass (8). Asi darbina ārējs mehānisks spēks, piemēram, vēja, ūdens, tvaika vai citu kustību enerģija, kas izraisa berzi starp elementiem un veicina sprieguma pieaugumu. Šī sistēma ir vienkārša, videi draudzīga un piemērota lietošanai dažādos apstākļos un vidēs, tai skaitā vietās, kur nav pieejami tradicionālie enerģijas avoti. Izgudrojumu iespējams pielāgot dažādos mērogos — no kompaktām, portatīvām ierīcēm līdz lielām, stacionārām enerģijas sistēmām.

Dispositif de dissipation thermique ainsi que boîtier de connexion électrique, dispositif de stockage d’énergie électrique et véhicule comprenant un tel dispositif de dissipation.

Absstract of: FR3174255A1

L’invention concerne un dispositif de dissipation thermique (100), ledit dispositif (100) comprenant un caloduc (10) configuré pour un échange thermique entre, d’une part, des sources chaudes (12), comprenant un organe électrique (14), et, d’autre part, une source froide (15), ledit dispositif (100) comprenant en outre : - un premier organe (30) d’interface thermique en contact avec le caloduc (10) et destiné à être en relation d’échange thermique avec la source froide (15), - un deuxième organe (50) d’interface thermique en contact avec le caloduc (10) et destiné à être en relation d’échange thermique avec l’organe électrique (14) des sources chaudes (12), ledit premier organe (30) d’interface thermique comprenant un refroidisseur (31) muni d’une pluralité d’ailettes (32) formant des surfaces d’échange avec ladite source froide (15). L’invention concerne aussi un boîtier de connexion électrique, un dispositif de stockage d’énergie électrique et un véhicule comprenant un tel dispositif de dissipation. Figure pour l’abrégé : Figure 2

Elément électrochimique lithium-ion comportant une électrode positive à base de fluorophosphate lithié de vanadium.

Nº publicación: FR3174257A1 16/10/2026

Applicant:

SAFT [FR]
SAFT

Absstract of: FR3174257A1

Un élément électrochimique comprenant :- au moins une électrode positive comprenant une matière active positive qui est un fluorophosphate lithié de vanadium et/ou l’un de ses dérivés, - au moins une électrode négative comprenant un mélange de matières actives négatives comprenant : de 5 à 99 % en masse d’un oxyde de niobium de structure cristallographique de type Wadsley-Roth, et de 95 à 1% en masse d’au moins un oxyde de titane lithié et/ou un oxyde de titane susceptible d’être lithié. Le mélange de matières actives négatives permet d’améliorer la précision de la détermination de l’état de charge de l’élément électrochimique. Figure d’abrégé : Figure 1