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1092
resultados
Última actualización
27/08/2025 [07:25:00]
Resultados 550 a 575 de 1092
Resumen de: WO2025166895A1
A heat exchange tube (10), a battery (1000), and an electrical device. The heat exchange tube (10) comprises a plurality of straight heat exchange sections (11) and at least one bent section (12), wherein the plurality of straight heat exchange sections (11) are arranged spaced apart from each other, and the at least one bent section (12) sequentially connects and communicates the plurality of straight heat exchange sections (11), a first reinforcing member (20) being provided in the at least one bent section (12).
Resumen de: WO2025166892A1
An explosion-proof battery cover plate assembly. A protection assembly (5) is provided on an electrolyte injection hole (2), such that the protection assembly (5) wraps around the outer wall of the electrolyte injection hole (2) and forms a vertically-penetrating through hole in the middle for injection of a battery electrolyte; the protection assembly (5) has a structure with a closed bottom and a flow channel (501) formed at the periphery; the lower surface of a cover plate (1) is covered with a plastic protective layer (6) to form a cover over the lower surface of the cover plate (1), such that the cover plate (1) is isolated from the battery electrolyte inside a battery box by means of the plastic protective layer (6). The present device uses the protection assembly (5) arranged inside the electrolyte injection hole (2); during electrolyte injection, the battery electrolyte flows into a cavity of the battery box through the flow channel (501) formed on the side of the protection assembly (5), without directly impacting a battery electrode sheet located in the battery box, thereby providing protection for the battery electrode sheet, prolonging the actual service life of a battery; and the protection assembly (5) can provide an effective seal in combination with a plug nail for sealing, and when expansion occurs in the battery, the protection assembly (5) can serve as an explosion-proof valve for pressure relief effects.
Resumen de: WO2025166626A1
A battery cell (20), a battery (100), and an electric device. The battery cell (20) comprises a shell (22), a venting assembly (90) and an electrolyte solution, wherein the venting assembly (90) is arranged on a wall and used for discharging gas from the shell (22); an accommodating cavity (221) is filled with the electrolyte solution; and the electrolyte solution comprises a first component, the first component comprising one of or a mixture of two or more of dimethyl carbonate, 2-methyltetrahydrofuran, diethylene glycol dimethyl ether, succinonitrile, glutaronitrile, methyl formate, ethyl formate, methyl acetate, ethyl acetate, methyl acrylate, dimethyl sulfite, diethyl sulfite, ethyl methyl sulfite and 3-methyl-2-butanone. By means of such configurations, a balance between a high battery performance requirement and a high gas production amount can be achieved.
Resumen de: WO2025166503A1
Disclosed in the present application are a battery and an electrical apparatus. The charge rate of the present battery is greater than or equal to 2C; the battery comprises a battery unit, and the battery unit comprises a housing, at least one electrode assembly, and at least one impact reduction member; the battery electrode and the impact reduction member are arranged within the housing, and the impact reduction member is arranged on at least a portion of surfaces of the electrode assembly and/or within the electrode assembly, wherein the at least one electrode assembly and the at least one impact reduction member are arranged as stacked in a first direction.
Resumen de: KR20250123048A
본 발명의 일 실시예와 관련된 이차 전지의 인라인 제조설비는 이차 전지를 제조하기 위하여 마련된 복수 개의 설비 및 서로 인접한 두 개의 설비에 각각 장착되고, 접촉 부위에 적어도 하나의 마크가 표시된 한 쌍의 도킹 부재를 포함하는 도킹부를 포함하고, 상기 한 쌍의 도킹 부재는, 서로 인접한 두 개의 설비가 미리 설정된 평탄도 및 평행도를 갖는 정위치에서 조립시 상기 마크가 미리 결정된 형태를 갖도록 마련된다.
Resumen de: KR20250122815A
본 개시의 일 실시예에 따르면, 냉각 유체가 수용되는 수용공간이 구비되고, 단자홀을 포함하는 하우징; 복수의 배터리 셀을 포함하고 상기 수용공간에 배치되는 셀 조립체; 상기 셀 조립체를 마주하도록 배치되어 상기 복수의 배터리 셀과 전기적으로 연결되는 버스바; 상기 버스바에서 연장되는 단자 플레이트 및 상기 단자 플레이트에서 상기 단자홀을 향해 돌출되는 단자 돌출부를 포함하는 단자부; 및 상기 단자홀에 배치되어 상기 단자 돌출부와 상기 하우징 사이의 간극을 밀폐하는 실링 어셈블리;를 포함하되, 상기 단자 돌출부가 통과하는 커버홀이 구비된 커버 플레이트; 및 상기 단자 돌출부를 적어도 일부 감싸도록 구비되며, 냉각 유체가 유동하지 않도록 상기 단자 돌출부와 상기 커버 플레이트 사이의 간극을 밀폐하는 제1 실링부;를 포함하는 배터리 모듈을 제공할 수 있다.
Resumen de: US2025253491A1
A rechargeable battery pack includes a holder including a plurality of accommodation spaces therein; a plurality of unit battery cells in the plurality of accommodation spaces; at least one connection tab that electrically connects the plurality of unit battery cells on an upper portion of the holder; a busbar that includes a busbar plate electrically connected to the at least one connection tab and extending in a first direction along a side surface of the holder, and a bending connection portion on the upper portion of the holder, the bending connection portion being connected to the busbar plate and bent in a second direction that is perpendicular to the first direction; and a battery management system (BMS) circuit on the upper portion of the holder and electrically connected to the bending connection portion.
Resumen de: WO2024124091A1
Insulative composites as well as articles formed therefrom are described herein. The insulative composites include a fibrillated polymer matrix, insulative particles, and additional particulate components such as at least one of reinforcement fibers, expandable microspheres, and opacifiers. The insulative particles and additional particulate components are durably enmeshed within the fibrillated polymer matrix. The insulative composites act as a heat propagation barrier when exposed to temperatures sufficient to partially or completely volatilize the fibrillated polymeric matrix within the insulative composite. The insulative composite is suitable for use in applications and/or in articles that have at least one thermally sensitive component that is capable (generally upon failure of that component) of releasing energy that is sufficient to result in a temperature that partially or completely volatilizes the fibrillated polymer matrix within the insulative composite yet still provides a sufficient insulative effect to protect one or more adjacent thermally sensitive components from damage.
Resumen de: WO2025170229A1
Provided according to exemplary embodiments are an electrode for a secondary battery and a fabrication method for the electrode for a secondary battery. The electrode for a secondary battery includes an electrode current collector, a first active material layer disposed on the electrode current collector, and a second active material layer disposed on the first active material layer, wherein each of the first active material layer and the second active material layer may include an electrode active material, a solid electrolyte, a binder, and a conductive material. The binder content (wt%) in the first active material layer on the basis of the total weight of the first active material layer is greater than that in the second active material layer on the basis of the total weight of the second active material layer while the conductive material content (wt%) in the second active material layer on the basis of the total weight of the second active material layer may be greater than that in the first active material layer on the basis of the total weight of the first active material layer.
Resumen de: WO2025170155A1
The present invention relates to: a dry electrode film which can be manufactured in a dry manner without a fiberizing process; a lithium secondary battery using same; and a method for manufacturing same. The dry electrode film according to the present invention comprises 80-99.9 wt% of an active material, 0.1-10 wt% of a rubber-based binder, and 10 wt% or less of a conductive material.
Resumen de: WO2025169982A1
A non-aqueous electrolyte power storage element according to one aspect of the present invention comprises: a positive electrode containing a sulfur-based active material; and a non-aqueous electrolyte containing an electrolyte salt, an ionic liquid, and a fluorinated solvent. The fluorinated solvent is at least one selected from the group consisting of a fluorinated ether and a fluorinated carboxylic acid ester. The total content of the ionic liquid and the fluorinated solvent with respect to all components other than the electrolyte salt in the non-aqueous electrolyte is 90 mol% or more.
Resumen de: WO2025169983A1
A nonaqueous electrolyte power storage element according to one aspect of the present invention comprises: a negative electrode including metallic lithium, at least when in a charged state; and a nonaqueous electrolyte including an electrolyte salt, an ionic liquid, and a nonaqueous solvent, wherein the nonaqueous solvent contains a fluorinated cyclic ether, and the mass molar concentration of the electrolyte salt in the nonaqueous electrolyte is 0.8 mol/kg to 3.5 mol/kg.
Resumen de: WO2025170260A1
The present invention relates to a positive electrode active material, and a positive electrode and a lithium secondary battery comprising same, the positive electrode active material comprising a lithium transition metal oxide and a coating portion including a metal oxide located on the surface of the lithium transition metal oxide, being in the form of a single particle, and capable of improving initial capacity and resistance performance by having an average particle diameter and an average particle diameter ratio satisfying specific ranges.
Resumen de: WO2025167198A1
The present application provides a battery, a battery pack, and an energy storage system. The battery comprises: a casing; and a battery cell arranged in the casing. A support frame is arranged between at least one inner wall of the casing and the battery cell, the material of the support frame comprising a solid-solid phase change material so as to improve the consistency of the internal temperature of the battery.
Resumen de: WO2025167381A1
Disclosed in the present invention are a battery and an electric device. The battery comprises: a case; battery cell rows each comprising a plurality of battery cells arranged in a first direction, wherein the plurality of battery cell rows are stacked in a second direction to form a battery cell array and placed in the case; and an elongated component, wherein at least one elongated component is provided on the surface of the side of the battery cell rows facing away from a bottom plate of the case in a third direction, the elongated component extends in the first direction and is connected to at least one battery cell in the battery cell rows, and the first direction is perpendicular to both the second direction and the third direction.
Resumen de: WO2025167289A1
The present application belongs to the technical field of lithium-ion batteries. Disclosed are a multilayer coated positive electrode sheet and a preparation method, a lithium-ion battery and an electric device. The multilayer coated positive electrode sheet of the present application comprises a current collector and two or more active material layers from bottom to top, wherein a network structure layer is provided between any two active material layers, and each active material layer contains a positive active material.
Resumen de: WO2025167417A1
A preparation method for a lithium metal powder, a product thereof, a prepared lithium metal negative electrode, and a finally assembled liquid electrolyte lithium-ion battery and solid electrolyte lithium-ion battery. The preparation method for a lithium metal powder comprises: mixing a lithium metal raw material with a polymer additive in an inert gas atmosphere, and then subjecting the mixture to freezing ball milling. The polymer additive does not react with the lithium metal raw material, and the Rockwell hardness of the polymer additive is 70-110. By means of the preparation method, a lithium metal powder having a uniform size can be prepared, the median particle size of which is not higher than 500 nm and minimally can reach 10 nm; and the preparation method has a low raw material cost and a simple and feasible process. A lithium-ion battery assembled by taking the lithium metal powder prepared by means of the method as a negative electrode active component has a high dendritic crystal growth critical current density and excellent electroplating/stripping cycle stability.
Resumen de: WO2025166480A1
A battery cell (7), a battery (2), and an electrical apparatus. The battery cell (7) comprises a casing (20), an electrode assembly (10), and an electrode terminal (30). The casing (20) comprises a wall portion (23). The electrode assembly (10) is accommodated in the casing (20) and comprises tabs (12). The electrode terminal (30) is arranged on the wall portion (23); the side of the electrode terminal (30) away from the electrode assembly (10) in the thickness direction of the wall portion (23) is provided with an outer surface (31), the electrode terminal (30) is provided with a recessed portion (32) recessed from the outer surface (31), the electrode terminal (30) comprises a connecting portion (33) arranged at the bottom of the recessed portion (32), and the connecting portion (33) is electrically connected to the tabs (12).
Resumen de: WO2025166565A1
Provided are an anode electrode sheet, an electrochemical device and an electronic device, which relate to the field of batteries. The anode electrode sheet is bent in a first direction X, the anode electrode sheet comprising an outer arc anode material layer, an anode current collector and an inner arc anode material layer which are arranged in sequence in the first direction X, wherein the outer arc anode material layer comprises a first anode material layer and a second anode material layer, the second anode material layer being arranged between the first anode material layer and the anode current collector; the first anode material layer contains graphite, and the second anode material layer and the inner arc anode material layer both contain hard carbon. The anode electrode sheet of the described structure can reduce arc rebound in a battery cell, improving the safety and reliability of the battery cell.
Resumen de: WO2025166431A1
The present invention relates to a novel recycling route for batteries used in the sector of electro-electronic equipment and in the automotive sector. This invention focuses on batteries of the prismatic, cylindrical and pouch types, containing lithium iron phosphate, LFP (LiFePO4), as the active material. The method comprises the following steps: discharging the batteries, dismantling and separating battery components, grinding battery cells, precipitating fluorine and lithium, leaching with acid, separating the iron with precipitation and an ion exchange resin, precipitating aluminium, and precipitating the remaining lithium. The present invention includes an acid leaching step without the use of an oxidising agent, which can reach values close to 99% efficiency for Li and Fe, and mechanical processing without any heat treatment to concentrate the metals of interest from the battery cathodes.
Resumen de: WO2025166581A1
A secondary battery and an electronic device, relating to the field of batteries. The secondary battery comprises a housing and electrode assemblies, the electrode assemblies are contained in the housing, the electrode assemblies are bent towards a first direction X, and the electrode assemblies include a first electrode assembly and a second electrode assembly which are arranged in the first direction X; the first electrode assembly comprises a first anode sheet, the first anode sheet comprises a first anode current collector and a first outer arc anode material layer and a first inner arc anode material layer which are arranged on the two sides of the first anode current collector in the first direction X, the first outer arc anode material layer comprises graphite, and the first inner arc anode material layer comprises hard carbon. The radian rebound phenomenon of a battery cell can be reduced, and the safety and reliability of the battery cell are improved.
Resumen de: WO2025169984A1
A non-aqueous electrolyte power storage element according to one aspect of the present invention comprises: a positive electrode containing a sulfur-based active material; and a non-aqueous electrolyte containing an electrolyte salt, an ionic liquid, and a non-aqueous solvent. The non-aqueous solvent contains a fluorinated cyclic ether.
Resumen de: WO2025170101A1
The present invention relates to a gasket structure and a method for manufacturing all-solid-state batteries using same. More specifically, the gasket structure comprises: a removable film; an adhesive layer disposed on the removable film and having a first line that separates along a first direction; and a gasket disposed on the adhesive layer and having a second line that separates along the first direction, wherein the adhesive layer comprises first openings, the gasket comprises second openings, the removable film comprises thirds openings, and the first, second, and third openings overlap on top of each other.
Resumen de: WO2025169975A1
This secondary battery disclosed herein comprises a positive electrode, a negative electrode facing the positive electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolyte. The positive electrode and the negative electrode are wound via the separator, thereby constituting an electrode group that has a plurality of peripheries. The secondary battery further comprises a battery can that houses the electrode group. A heat conduction member is disposed between an inner wall of the battery can and the outermost periphery of the electrode group, and a maximum thermal conductivity σ max of the heat conduction member is 600 W/m・ K or more.
Nº publicación: WO2025169829A1 14/08/2025
Solicitante:
KOKI HOLDINGS CO LTD [JP]
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Resumen de: WO2025169829A1
Provided is an adapter that can be connected to a battery pack capable of switching output voltages, is compact in size, or offers high design flexibility. An adapter 200, 300 can be mounted to a first voltage switching battery pack 100 by sliding backward with respect to the first voltage switching battery pack 100. A battery-side terminal 206, 306 and a body-side terminal 210, 310 are separated away from each other in the front-back direction, and a contact part of the battery-side terminal in contact with a battery terminal 102 overlaps the body-side terminal in the vertical direction.
BOPI
Sede Electrónica
