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1408
resultados
Última actualización
17/12/2025 [07:14:00]
Resultados 1050 a 1075 de 1408
Resumen de: US2025373056A1
The present disclosure relates to a device comprising: a first terminal, a second terminal, a third terminal, a first load unit, a first sensor unit, and a second load unit, wherein the device is configured to be coupled to a first group of cells of a battery via the first and second terminals, wherein the device is configured to be coupled to a second group of cells of a battery via the second and third terminals, wherein a first circuit string of the device extends between the first and second terminals, wherein the first load unit is integrated into the first circuit string, wherein the first sensor unit is configured to measure a first current in the first circuit string, wherein a second circuit string of the device extends between the second and third terminals, wherein the second load unit is integrated into the second circuit string, and wherein the device is configured to control the second load unit based on the first current such that the second load unit causes a second current in the second circuit string corresponding to the first current. The present disclosure also relates to a system comprising the device and the battery pack. Further, the present disclosure also relates to a method for the device.
Resumen de: US2025372809A1
Disclosed is a thermal runaway management Li-ion battery module, used in a chassis, comprising: a battery pack, including a plurality of cells; a one-way valve, having a one-way valve flow path and flow separators; a thermally expandable foam member, arranged in the one-way valve flow path; and a flow-limiting member, having a circuitous flow path. The positive terminals of the cells point toward the one-way valve flow path and the thermally expandable foam member, such that the high-temperature substances released by a thermally-runaway cell will enter the one-way valve flow path and cause the thermally expandable foam element to expand and block the one-way valve flow path. This prevents flames and sparks from spreading to the exterior of the chassis, thereby ensuring the safety of surrounding equipment and personnel.
Resumen de: US2025370058A1
A battery status diagnosing apparatus and method according to aspects of the disclosure may monitor a charge voltage and charge time of a battery and diagnose abnormal status of the battery which occurs as preliminary signs before ignition of the battery, thereby ensuring safer battery use.
Resumen de: US2025370052A1
A method for estimating a cathode capacity of a battery and a battery recycling system utilizing the method are provided. A method for estimating a cathode capacity of a battery includes receiving first discharge data associated with a first discharge rate for a battery, receiving second discharge data associated with a second discharge rate for the battery, receiving third discharge data associated with a third discharge rate for the battery, and estimating the cathode capacity of the battery based on the first discharge rate, the second discharge rate, the third discharge rate, the first discharge data, the second discharge data, and the third discharge data, where the first discharge rate, the second discharge rate, and the third discharge rate may be different from each other.
Resumen de: US2025369896A1
A battery inspection device including an upper inspection unit including a first lens module configured to condense first light and a first camera mounted on the top of the first lens module; a lower inspection unit disposed horizontally to be spaced apart from the first lens module and including a second lens module configured to condense second light incident from an inspection object and a second camera mounted on the top of the second lens module; and a light-path guide unit integrally coupled to the first lens module and the second lens module and configured to split incident light incident from the inspection object into the first light and the second light, guide the first light to the first lens module, and guide the second light to the second lens module is provided.
Resumen de: US2025372595A1
The present disclosure provides a process for preparing an electrode, the process comprising: (a) mixing an active material, and a conductive additive, optionally with a first binder to obtain a first mixture; (b) blending a fibrillating binder with the first mixture, followed by high shear mixing to obtain a second mixture; and (c) quenching the second mixture and calendering to obtain the electrode.
Resumen de: US2025368531A1
A MXene composite-based electrode for electrochemical devices is disclosed. Specifically, an electrochemical composite material comprising Ti3C2Tx-Nb2Mo3O14 (MXene niobium molybdenum oxide, MXNMO) and a method of synthesizing the MXNMO composite is disclosed. An electrochemical energy storage device including the MXNMO composite as an electrode is also disclosed.
Resumen de: US2025372796A1
A herein disclosed electricity storage pack includes plural electric storage devices, a side frame that is arranged at an end part in a aligned direction, and a cover that is arranged to cover plural electric storage devices and at least a part of the side frame. Herein, the electricity storage pack includes a partition wall that is formed in a plate shape, that is arranged between the side frame and the electric storage devices, and that has a contact point where it comes into contact with the cover, includes a first adhesion agent that is arranged on a surface where the electric storage device and the cover are opposed to each other, and includes a second adhesion agent that is arranged on an area in which the side frame, the partition wall, and the cover are opposed to each other and which is isolated from the first adhesion agent.
Resumen de: US2025372653A1
A binder composition for an electrochemical device contains a polymer including a nitrile group-containing monomer unit, an alkylene structural unit, and a hydrophilic group-containing monomer unit, N-methyl-2-pyrrolidone, and triphenylphosphine sulfide. Content of the triphenylphosphine sulfide is not less than 2 mass ppm and not more than 100 mass ppm relative to content of the polymer. A relationship formula: 0.004(%)≤{(a)/(b)}×100(%)≤0.150(%) is satisfied when content of the triphenylphosphine sulfide relative to content of the polymer is taken to be (a) and content of the hydrophilic group-containing monomer unit relative to content of the polymer is taken to be (b).
Resumen de: US2025372651A1
Disclosed is a novel technology for reducing the resistance and improving the cycle characteristics of a secondary battery including a sulfide solid electrolyte. The secondary battery of the present disclosure includes a first electrode, an electrolyte layer, and a second electrode, wherein at least one of the first electrode and the electrolyte layer contains a sulfide solid electrolyte, and the first electrode contains an active material having voids and a perfluoropolyether represented by formula (1) below. E1-Rf1-RF-O—Rf2-E2 (1)
Resumen de: US2025372642A1
A positive electrode active material comprises a secondary particle. The secondary particle includes crystallites. The crystallites extend radially from a center of the secondary particle toward outside. Each of the crystallites includes a lithium-metal composite oxide. The lithium-metal composite oxide has a lamellar-rock-salt-type structure. In a surface of the secondary particle, an open pore is formed between the crystallites that are adjacent to each other. The open pore has a pore diameter of 20 nm or more.
Resumen de: US2025370057A1
Problem To provide a battery pack capable of performing degradation diagnosis of a battery by a single body. Solution A battery pack 40 includes a battery 50 that supplies electric power to a motor 2 of a hybrid system 10, a resistor 45 that is electrically connected to the battery 50 by an electric circuit, a switch 46 that is provided in the electric circuit 174 between the battery 50 and the resistor 45 and performs opening/closing of the electric circuit 174 between the battery 50 and the resistor 45, and a control portion 85 that executes control of closing the switch 46 in accordance with an input signal 86 and diagnoses a degradation degree of the battery 50 on the basis of voltage fluctuation of the battery 50 when an electric current flows from the battery 50 toward the resistor 45.
Resumen de: US2025369706A1
The method for producing a heat exchanger includes: a before-joining step in which prepared is a stack in which a surface sheet, a solid joining material comprising, as a main component, an amorphous thermoplastic resin which is at least one resin selected from among thermoplastic epoxy resins and phenoxy resins, and a channel formation sheet having a channel in a surface thereof facing the surface sheet have been arranged in this order; and a joining step in which the stack is heated and pressed to melt the solid joining material and join the surface sheet to the channel formation sheet. The amorphous thermoplastic resin has an epoxy equivalent of 1,600 or greater, or the amorphous thermoplastic resin contains no epoxy group and has a heat of fusion of 15 J/g or less.
Resumen de: US2025372832A1
A secondary battery includes: an electrode assembly including: a first electrode; a second electrode; and a separator between the first electrode and the second electrode, the first electrode and the second electrode being wound together with the separator therebetween; an electrode tab connected to the first electrode; a case having an opening at one side, and to accommodate the electrode assembly; and a cap assembly coupled to the one side of the case to seal the opening of the case, and including a terminal plate electrically connected to the electrode tab connected to the first electrode. The electrode tab includes a plurality of edges, and at least one of the plurality of edges is chamfered.
Resumen de: US2025372798A1
A cell assembly according to the present disclosure includes one or more pouch-type battery cells-or two or more pouch type battery cells which are stacked, a cell cover partially surrounding an outer surface of the one or more pouch-type battery cell, a bus bar assembly including a terminal bus bar electrically connected to an electrode lead of each of the one or more pouch-type battery cells, and a terminal extender electrically connected to the terminal bus bar, extending to a position spaced apart from the terminal bus bar by a certain distance, and detachably provided on an outer surface of the cell cover.
Resumen de: US2025372795A1
A battery tape includes: a first adhesive member configured to be attached to at least a portion of a first surface of a battery; and a second adhesive member extending from a side portion of the first adhesive member and configured to be attached to at least another portion of the battery. The first adhesive member has a 1_1th subregion and a 1_2th subregion having a lower adhesive force than the 1_1th subregion, and the 1_2th subregion is positioned in a region in contact with the second adhesive member.
Resumen de: US2025372820A1
Examples of the present disclosure include a separator for a rechargeable lithium battery, a method of manufacturing the separator, an electrode assembly for a rechargeable lithium battery including the separator, and a rechargeable lithium battery including the separator. Examples of the present disclosure include a separator for a rechargeable lithium battery, the separator including a first area, and a second area located at each of both ends of the first area, wherein: Thickness increase rate of second area>MD heat shrinkage rate of second area, and: Thickness increase rate of second area>TD heat shrinkage rate of second area.
Resumen de: US2025372813A1
Proposed are automatic splicing equipment for a secondary battery and a method thereof and, more specifically, automatic splicing equipment for a secondary battery and a method thereof for improving process efficiency by preventing interruption in film supply during the manufacturing process by connecting a standby spare second film to a film being supplied when the film being supplied is exhausted while supplying the film for a back-end process.
Resumen de: US2025372655A1
An adhesion substance is provided, along with an adhesive composition, a positive electrode plate, a secondary battery, and an electric apparatus. The adhesion substance includes an adhesive comprising structural units A, B, C, and D. Structural unit A has formula (1) and is at least partially crosslinked with structural unit D, which is selected from formula (9). Structural unit B is selected from formulas (2) (6), and structural unit C is selected from formula (7) or (8), where m2 and m2 are integers from 1 to 20. Each structural unit is independently defined, and specific crosslinking between A and D enhances adhesion performance. The adhesive composition may be used in electrochemical devices to improve bonding and durability.
Resumen de: US2025372687A1
Method for laminating strips of material, in particular for the production of electrical energy storage devices, the strips comprising a first separator strip and at least a first electrode strip, the first separator strip comprising a first face and a second face, the method comprising the sequential steps of: conveying the first separator strip along a feeding path in a first direction; heating at least the first face of the first separator strip, the first face of the first separator strip being configured to face a respective face of the first electrode strip; introducing the first separator strip and the first electrode strip in a lamination unit; and cold laminating, via the lamination unit, the first separator strip and the first electrode strip together.
Resumen de: US2025372773A1
A cell includes a housing, an electrode core and a cover plate assembly. The electrode core is disposed within the housing, and the cover plate assembly is configured to close an opening of the housing. The cover plate assembly includes a support body, a groove is provided in the support body, and the area formed and enclosed by the inner ring of the groove is defined as S, where S satisfies: S=(K×C)/(T×V). K is a gas production coefficient of the electrode core, C is a capacity of the electrode core; T is pressure-relief time; and V is a pressure-relief speed.
Resumen de: US2025372702A1
Provided are a wide-temperature-range solid-state electrolyte, a preparation method thereof and use thereof in solid-state lithium metal batteries. The preparation method includes: dissolving a lithium salt and a magnesium salt in a solvent to obtain a mixed salt solution; and mixing the mixed salt solution with an ammonia fluoride solution, subjecting a resulting mixture to reaction, and subjecting a resulting reaction product to centrifugation, washing, and drying in sequence to obtain magnesium-doped lithium fluoride nanoparticles; and mixing the magnesium-doped lithium fluoride nanoparticles, a liquid plasticizer, a polymer monomer and a thermal initiator to obtain a liquid precursor, and subjecting the liquid precursor to curing to obtain the wide-temperature-range solid-state electrolyte, where the polymer monomer is a mixture of ethoxylated trimethylolpropane triacrylate and hexafluorobutyl methacrylate.
Resumen de: US2025372771A1
A battery cell, a battery, and an electrical device are described. The battery cell includes a case and an insulating protective layer, the insulating protective layer being disposed on an inner wall of the case. In the battery cell provided in the embodiments, the insulating protective layer is disposed on the inner wall of the case of the battery cell, where the insulating protective layer can separate the case from the electrolyte solution inside the case, so as to reduce the probability of contact between the case and the electrolyte solution, thereby lowering the probability of corrosion breakdown of the case.
Resumen de: US2025372790A1
A battery exchange system according to an aspect of the present disclosure includes: a dummy battery part including a positive electrode and a negative electrode, the dummy battery part being attachable to a circuit board battery holder of a circuit board of an electronic device, the circuit board battery holder being a battery holder for a button-type battery, of a circuit board of an electronic device; and a battery board including a battery board battery holder that is a battery holder for a button-type battery including a positive terminal connected to the positive electrode and a negative terminal connected to the negative electrode, the battery board being disposed in the electronic device so as to be insertable and removable from an outside of a housing of the electronic device.
Nº publicación: US2025372797A1 04/12/2025
Solicitante:
MITSUBISHI CHEMICAL CORP [JP]
Mitsubishi Chemical Corporation
Resumen de: US2025372797A1
What is provided is a partition member that partitions battery cells, the partition member having excellent shape stability even at a high temperature, and a battery assembly that uses the partition member. A layer for controlling heat transfer is retained in a retaining part having compressibility to form an inner enclosure body, and the inner enclosure body is encapsulated in an outer casing body to form a partition member. The retaining part is preferably formed in a tray shape, is provided to have a thickness larger than that of the layer for controlling heat transfer, and is configured such that an area of the outer casing body coming into contact with the inner enclosure body increases with an increase in an external pressure applied to the partition member.
BOPI
Sede Electrónica
