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1724
resultados
Última actualización
23/03/2026 [07:26:00]
Resultados 900 a 925 de 1724
Resumen de: US20260074369A1
Disclosed is a separator for an electrochemical device and an electrochemical device including the same. The separator for the electrochemical device can reduce the weight of the separator, can improve the energy density of a battery, and can enhance stiffness because cellulose nanocrystals are included in a porous polymer base.
Resumen de: WO2026050973A1
A thermal management method and apparatus, an electronic device, a storage medium, and a program product. The method comprises: when a battery apparatus of a vehicle is charged, if energy provided by a thermal management system of the vehicle does not meet a temperature regulation requirement of the battery apparatus, controlling an energy storage apparatus of the thermal management system to use pre-stored energy to perform thermal management, wherein the pre-stored energy is energy which is stored by means of the energy storage apparatus when the thermal management system determines, on the basis of the current temperature and charging information of the battery apparatus, that the vehicle meets an energy storage trigger condition. By means of the solution, the capability of the thermal management system can be improved without changing thermal management hardware, thereby meeting actual thermal management requirements of the vehicle.
Resumen de: WO2026050952A1
The present application belongs to the technical field of batteries. Provided are a battery cell, a battery device, and an electric device. The battery cell comprises a casing, an electrode assembly, an electrode terminal, a fixing member and a first insulating member. The electrode assembly is accommodated in the casing. The electrode terminal is disposed on a wall portion of the casing and is electrically connected to the electrode assembly. The fixing member is disposed on the peripheral side of the electrode terminal, and the fixing member comprises a base and a limiting portion, wherein the base is connected to the wall portion, the limiting portion is connected to the base and extends in a direction toward the electrode terminal, and the limiting portion is configured to prevent the electrode terminal from moving away from the electrode assembly in the direction of the thickness of the wall portion. At least part of the first insulating member is disposed between the electrode terminal and the limiting portion. The thickness of the limiting portion is less than the thickness of the base. Thus, a space between the limiting portion and the electrode terminal that accommodates the first insulating member can be enlarged while requirements for the connection strength between the base of the fixing member and the wall portion are met, thereby increasing a creepage distance between the limiting portion and the electrode terminal.
Resumen de: WO2026050929A1
The present application belongs to the technical field of batteries. Provided are a battery cell, a battery and an electrical apparatus. The battery cell comprises a casing, an electrode assembly, two electrode terminals and a first insulating member. The casing has a wall portion. The electrode assembly is accommodated in the casing, and comprises a main body portion and two tabs having opposite polarities, the two tabs being both arranged at the end of the main body portion close to the wall portion in the thickness direction of the wall portion. The two electrode terminals are both insulatedly mounted on the wall portion; the two electrode terminals are respectively electrically connected to the two tabs; and each electrode terminal comprises a connecting member located on the side of the wall portion facing away from the electrode assembly. The first insulating member is arranged on the side of the wall portion facing away from the electrode assembly, the connecting members of the two electrode terminals are spaced apart on the first insulating member, and at least part of the first insulating member is located between the connecting members and the wall portion. The two electrode terminals share the first insulating member, such that the assembly process of battery cells can be optimized, and the short circuit risk of battery cells during use can be reduced.
Resumen de: US20260074299A1
An electrode precursor composition for an alkali metal ion secondary cell is described. The composition includes a polymer-solvent gel matrix phase and a dispersed phase containing an electrochemically active material. The electrochemically active material has a multimodal particle size distribution having a D150/D250 in the range 2 to 15. The electrode precursor composition can be processed into an electrode for an alkali metal ion secondary cell, for example a lithium ion secondary cell.
Resumen de: US20260074294A1
An apparatus for manufacturing an electrode assembly includes a separator supply unit, table, separator guide, first adhesive supply unit, and pair of tensioners. The separator supply unit is configured for supplying a separator sheet from which a separator is formed. The table is configured for supporting electrodes and sections of the separator sheet. The separator guide is configured for guiding the separator sheet to fold in a particular folding direction. The first adhesive supply unit is configured for applying an adhesive to portions of the separator sheet and the electrodes supported by the table. The pair of tensioners are each configured for pressing an uppermost section of the separator sheet guided by the separator guide against the table or against a placed electrode that directly underlies the uppermost section. The electrode assembly is manufactured by a process using the apparatus.
Resumen de: US20260074295A1
An electrode assembly for a secondary battery includes a first electrode plate with a first electrode pattern part, the first electrode pattern part including a plurality of patterns, a second electrode plate with a second electrode pattern part, the second electrode being stacked on at least one surface of the first electrode plate, and the second electrode pattern part including a plurality of patterns corresponding to positions and shapes of the plurality of patterns of the first electrode pattern part, and a separator between the first electrode plate and the second electrode plate.
Resumen de: US20260074296A1
An electrode assembly, and a battery cell and a power source including the same are provided. The electrode assembly includes a first electrode plate wound about a winding axis and including a first uncoated portion without a first electrode active material coated thereon, a second electrode plate wound about the winding axis and including a second uncoated portion without a second electrode active material coated thereon, a separator disposed between the first electrode plate and the second electrode plate, and a plurality of segments formed on at least one of the first uncoated portion or the second uncoated portion. The plurality of segments are arranged such that at least one bottom angle is changed in a winding direction.
Resumen de: US20260074290A1
An electrolyte, comprising: an amount of potassium hexafluorophosphate; at least one cyclic carbonate, the at least one cyclic carbonate optionally comprising at least one of ethylene carbonate and propylene carbonate; and at least one organic phosphate, the at least one organic phosphate optionally comprising at least one of trimethyl phosphate and triethyl phosphate. An electrical cell, comprising: the electrolyte according to the present disclosure, and an electrode, the electrode contacting the electrolyte. A method, comprising: any one or more of separating, disposing, or at least partially neutralizing any one or more of HF, HPO2F2, H2PO3F, an organofluorophosphate, a monofluorophosphate, an organophosphate, and a phosphonate evolved from operating an electrical cell that includes as an electrolyte any one or more of LiPF6, NaPF6, and KPF6.
Resumen de: US20260074359A1
The present invention relates to a pouch-shaped battery case manufacturing method including (a) locating a laminate sheet for pouch-shaped battery cases on a lower press die, (b) pressing the laminate sheet using an upper press die to form an electrode assembly receiving portion, (c) forming a venting guide portion in the bottom of the electrode assembly receiving portion, and (d) separating a pouch-shaped battery case having the electrode assembly receiving portion and the venting guide portion formed therein from the lower press die.
Resumen de: US20260074358A1
The disclosure relates to an assembly comprising a protection sheet for covering a vent of a battery pack of a vehicle, a support wall comprising at least one opening, wherein the protection sheet covers the at least one opening, a holding member for holding the protection sheet against the support wall, wherein the holding member and the support wall are arranged on opposite sides of the protection sheet, wherein the assembly is a degassing vent assembly for the battery pack.
Resumen de: US20260074341A1
A battery for a motor vehicle has a plurality of battery cells and a battery housing that encloses a housing interior in which the battery cells are received. The battery housing has a perforated sheet on which the battery cells are placed. The perforated sheet has, for each battery cell, an allocated degassing opening on which the allocated battery cell is placed and via which gas exiting the allocated battery cell can be guided out of the housing interior.
Resumen de: US20260074346A1
The invention relates to an electrical cell module comprising: an opposing pair of module end plates spaced apart along a longitudinal axis; a first cell stack; and a second cell stack. Each cell stack comprises: a series of cells stacked along the longitudinal axis, and a pair of stack end plates at opposing ends and configured to be fixed to one another in an assembled position to apply to the series of cells a compressive force along the longitudinal axis, and define a stack length. The compressive forces are within a predetermined operable range. Each opposing pair of module end plates is fixedly engaged, in a use position, with one corresponding stack end plate of each cell stack so the module end plates are spaced apart from one another along the longitudinal axis by a predetermined distance, and the first stack length is different to the second stack length.
Resumen de: US20260074396A1
A pole, a pole component, and a battery are provided. The pole includes a first pole portion and a second pole portion. The first pole portion includes a first end and a second end that are in an axial direction of the first pole portion. An outer periphery of the first pole portion is convexly provided with a first flange, and the first flange is spaced apart from the second end in the axial direction. The first end is provided in a mating groove and engages with the second pole portion. An outer periphery of the second pole portion is convexly provided with a second flange. The first pole portion is spaced apart from the second flange. The second flange is provided with a first connecting groove, and the first flange is at least partially located in the first connecting groove and engages with the second flange.
Resumen de: WO2026050901A1
A battery cell, a battery device, and an electric device. In the battery cell, a positive electrode active material comprises an olivine-structured lithium-containing phosphate, and in the cross section of a positive electrode film layer in the thickness direction, the olivine-structured lithium-containing phosphate contains first lithium-containing phosphate particles having a maximum diameter of 0.05 μm to 0.3 μm, and second lithium-containing phosphate particles having a maximum diameter of 1 μm to 3 μm; the average particle size Dv50 of a negative electrode active material is 8 μm to 15 μm, and the negative electrode active material comprises graphite.
Resumen de: WO2026050900A1
A battery cell (5), a battery apparatus and an electrical apparatus. In the battery cell (5), a positive electrode active material comprises lithium-containing phosphate having an olivine structure; the average particle size Dv50 of a negative electrode active material is 8 um to 15 um, and the negative electrode active material comprises graphite; a negative electrode current collector comprises a negative electrode current collecting portion (112a) and at least two negative electrode tabs provided on the same side of the negative electrode current collecting portion (112a), the negative electrode tabs extending from the negative electrode current collecting portion (112a) in a first direction (F1), the distance between the center lines (L) of any two adjacent negative electrode tabs being 10 mm to 350 mm, and the center line (L) being parallel to the first direction (F1).
Resumen de: US20260070003A1
Provided is an electrode slurry storage apparatus for a secondary battery, the apparatus comprising: a slurry storage tank storing an electrode slurry for a secondary battery; a degassing blade accommodated inside the slurry storage tank; and a negative pressure pump which is connected to the slurry storage tank and puts the inside of the slurry storage tank into a negative pressure state, wherein the degassing blade physically strikes air bubbles in the upper part of the slurry storage tank.
Resumen de: US20260074366A1
A filter device for filtering a fluid stream of a battery housing, for example of a traction battery of a motor vehicle, the filter device including a circumferential extending cover including a fluid passage and surrounding an interior space, and a filter element at least partially filling the interior space, the fluid passage being for fluid passing through the filter element. The cover being configured to accommodate a seat for the filter element via a circumferential extending filter sealing element, and to accommodate a seat for a circumferential extending sealing element.
Resumen de: US20260074292A1
A lithium secondary battery 100 of the present disclosure includes: a positive electrode 5 including MnO2; a negative electrode 6 including a negative electrode active material with lithium ions occluded; and an electrolytic solution including a mixed solvent of a cyclic carbonate and a chain carbonate, the electrolytic solution being impregnated into the positive electrode 5 and the negative electrode 6. The negative electrode active material includes, for example, at least one selected from the group consisting of graphite and silicon. The cyclic carbonate includes, for example, at least one selected from the group consisting of ethylene carbonate and vinylene carbonate. The chain carbonate includes, for example, ethyl methyl carbonate.
Resumen de: US20260074291A1
An electrolyte including lithium bis(fluorosulfonyl)imide and lithium hexafluorophosphate, where based on a total weight of the electrolyte, a weight percentage of lithium bis(fluorosulfonyl)imide is a %, and a weight percentage of lithium hexafluorophosphate is b %, where 12<a+b<20 and 0.2<a/b<1.5. An electrochemical apparatus using the electrolyte described in this application can achieve high energy density while also ensuring rate performance at room temperature and high temperature and cycling stability at room temperature and high temperature.
Resumen de: US20260074289A1
An electrolyte for a thick LFP-Li battery system is provided. The electrolyte includes a low-viscosity main salt, at least one lithium-based functional salt, and a solvent including a low viscosity solvent mixed with a cyclic ether solvent. The low-viscosity main salt includes at least one of LiTFSI or a lithium salt.
Resumen de: US20260074293A1
Provided herein are improved electrolyte formulations. The improved performance may be realized as improved discharge rate cycling, improved capacity, improved Coulombic efficiency, or improved capacity upon cycling.
Resumen de: US20260074287A1
A lithium-ion secondary battery and an electric apparatus are provided. The lithium-ion secondary battery includes an electrolyte. The electrolyte includes alkali metal ions having an ionic radius greater than a radius of lithium ions and a film-forming additive. Based on a total mass of the electrolyte, a mass percentage A of the alkali metal ions and a mass percentage B of the additive satisfy 0.10≤B/A≤6×104.
Resumen de: US20260074285A1
An electrolyte for a lithium secondary battery according to exemplary embodiments includes an additive including a compound having a specific structure, an organic solvent and a lithium salt. Accordingly, a lithium secondary battery including the electrolyte for a lithium secondary battery exhibits improved low-temperature properties such as resistance and capacity retention, and high-temperature stability.
Nº publicación: US20260074390A1 12/03/2026
Solicitante:
HUIZHOU EVE POWER CO LTD [CN]
EVE POWER CO LTD [CN]
Huizhou EVE Power Co., Ltd,
EVE Power Co., Ltd
Resumen de: US20260074390A1
A conductive structure, a cover plate assembly, and a battery cell are provided. The conductive structure includes a metal post and a metal layer. The metal post includes a first end and a second end opposite to each other. The first end is formed with a first step portion. The metal layer is bonded to a surface of the metal post. The metal layer wraps the first end and extends toward the second end. The metal layer is formed with a second step portion matching the first step portion. The second step portion is configured to be welded to a current collector.
BOPI
Sede Electrónica
