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1190
resultados
Última actualización
25/10/2026 [07:33:00]
Resultados 1150 a 1175 de 1190
Resumen de: US20260321778A1
0000 A battery pack for an electric vehicle, the battery pack including a battery housing including: a housing body, a heat transfer channel operative to convey a heat transfer fluid therethrough; a plurality of battery cells disposed in the housing body; at least one heat transfer plate disposed between the plurality of battery cells and the at least one heat transfer channel; at least one layer of thermally conductive adhesive material disposed between the battery cells and the heat transfer plate; and at least one layer of dielectric material disposed between the battery cells and the heat transfer plate, the at least one dielectric layer being configured to electrically insulate the heat transfer plate from the battery cells, the battery cells being disposed in thermal communication with the heat transfer channel via the thermally conductive adhesive material and the heat transfer plate.
Resumen de: US20260321798A1
A battery cell includes an electrode assembly; a battery case configured to accommodate the electrode assembly; an electrode lead connected to the electrode assembly to protrude to the outside of the battery case; and an insulating case which is configured to accommodate the battery case and in which a slit through which the electrode lead passes is defined or an insulating layer applied on an outer surface of the battery case, at least a portion of the insulating layer having a thickness greater than or equal to a thickness of the battery case.
Resumen de: US20260321633A1
A secondary battery negative electrode includes a negative electrode mixture layer having a thickness T and carried on a negative electrode current collector. A negative electrode active material in the negative electrode mixture layer contains graphite particles. The graphite particles include graphite particles A having an internal porosity of larger than 5%, and graphite particles B having an internal porosity of 5% or less. The negative electrode mixture layer includes a first layer, a second layer, and a third layer in order from the side of the negative electrode current collector. The second layer includes a 2a layer and a 2b layer provided on a first region and a second region of the first layer, respectively.
Resumen de: US20260317113A1
0000 The adhesive tape attaching apparatus includes a positioning mechanism and a sheet material attaching mechanism. The positioning mechanism is configured to position a sheet material. The sheet material has an exposed first adhesive surface. The sheet material attaching mechanism is configured to pick up the sheet material positioned by the positioning mechanism and attach the sheet material to a target position of a component to be attached. The positioning mechanism includes a base, a support platform, and a pushing assembly. The support platform is disposed on the base and configured to support the sheet material. The first adhesive surface of the sheet material comes into contact with a support surface of the support platform. The support platform is provided with an anti-adhesive structure. The support surface of the support platform includes at least the support surface of the anti-adhesive structure.
Resumen de: US20260321585A1
0000 A positive electrode plate, a method for preparing the same, and a use thereof are provided. The positive electrode plate includes a positive electrode current collector and a positive active material layer that is disposed on at least one surface of the positive electrode current collector. The positive active material layer includes a dispersion aid, lithium iron phosphate, conductive carbon black, and carbon nanotubes, and the dispersion aid, the lithium iron phosphate, the conductive carbon black, and the carbon nanotubes satisfy the following relationship: 30≤(B1×C1+B2×C2+B3×C3)/A×0.01≤500.
Resumen de: US20260321711A1
A lithium secondary battery including a positive electrode, including a positive electrode current collector and a positive electrode active material layer disposed on the positive electrode current collector; a negative electrode including a negative electrode current collector, a negative electrode active material layer disposed on the negative electrode current collector, and a solid electrolyte layer disposed on the negative electrode active material layer; a separator disposed between the positive electrode and the negative electrode; and an electrolyte. An A value of the solid electrolyte layer according to the following equation may be 10% or more:A={(F+C)/(F+C+G+M+E)}×100EquationlF and C are a content of a fluoride group and a content of a carbonate group; and G, M, and E are a content of an ethylene glycol group, a content of a methyl group, and a content of an ethyl group.
Resumen de: US20260321568A1
According to the present disclosure, it is possible to inhibit the electrically conductive foreign substance from falling off and being peeled off from the electrode plate that has been already manufactured, so as to contribute in improving the safety property of the secondary battery. The manufacturing method of the electrode plate herein disclosed includes a precursor preparing step for preparing an electrode precursor 20A including an active material provided area A1 in which an electrode active material layer 24 is provided on a surface of the electrode core 22 and including a core exposed area A2 in which the electrode active material layer 24 is not provided and the electrode core 22 is exposed, and an active material provided area cutting step for cutting the active material provided area A1 by a pulse laser, and a core exposed area cutting step for cutting the core exposed area A2 by the pulse laser. Then, in the case where the pulse width (ns) of the pulse laser is represented by X and the lap rate (%) is represented by Y for the core exposed area cutting step, a condition represented by Y≥−3 log X+106 is satisfied. According to the manufacturing method of the electrode plate as described above, it is possible to inhibit the electrically conductive foreign substance from falling off and being peeled off from the electrode plate that has been already manufactured, and thus it is possible to contribute in improving the safety property of the secondary battery.
Resumen de: US20260321708A1
An electrode assembly manufacturing apparatus having a first electrode supply unit, second electrode supply unit, a separator supply unit, a stack table on which a first electrode, a separator, and a second electrode form a stack, a separator winding unit for winding an extended region of the separator in contact with a surface of the stack, and a brushing unit for brushing and heating the wound stack is provided. An and an electrode assembly manufacturing method is also provided.
Resumen de: US20260321728A1
The present application relates to a lithium secondary battery including: a positive electrode, a silicon-based negative electrode, a separator provided between the positive electrode and the negative electrode, and an electrolyte. The electrolyte includes a solvent, a lithium salt, a fluoro group-containing additive, and vinylene carbonate (VC), wherein the solvent includes a carbonate compound having a fluoro group in an amount of 10 parts by weight or more based on 100 parts by weight of the solvent.
Resumen de: US20260321611A1
The present application relates to a negative electrode for a lithium secondary battery, a method for manufacturing a negative electrode for a lithium secondary battery, and a lithium secondary battery including a negative electrode.
Resumen de: US20260321664A1
The laminated sheet for alloy formation, the laminated sheet being an independent sheet includes an aluminum foil and a carbon layer formed on one side of the aluminum foil, the laminated sheet for alloy formation used to form a lithium-aluminum alloy layer on a surface of a lithium layer by allowing a side of the aluminum foil opposite to the side with the carbon layer to contact the lithium layer.
Resumen de: US20260321715A1
A solid electrolyte 10 according to the present disclosure has a composition represented by the following formula (1): LiαMβXγIδ Formula (1). In the formula (1), M includes at least one selected from the group consisting of metalloid elements and metal elements other than Li, X includes at least one selected from the group consisting of F, Cl, and Br, 0<α, 0<β, 0≤γ, and 0<δ are satisfied. In an X-ray diffraction pattern of the solid electrolyte obtained by X-ray diffraction measurement using Cu-Kα radiation, a peak having a full width at half maximum of 0.10° or more and 0.55° or less is present within a diffraction angle 2θ range from 31° to 32°.
Resumen de: US20260321908A1
0000 An electrode assembly for a secondary battery includes: (1) a positive electrode and a negative electrode; (2) a separator between the electrodes; and (3) a plurality of conductive members between at least one of the positive electrode and the separator or the negative electrode and the separator. At least one of the positive electrode and the negative electrode includes: (1) a collector; (2) a first active material layer on an inner surface of the collector; and (3) a second active material layer on an outer surface of the collector. The conductive member includes: (1) a first conductive member that overlaps an end of the first active material layer forming a first conductive path with the collector; and (2) a second conductive member that overlaps an end of the second active material layer forming a second conductive path between the collector and the second active material layer.
Resumen de: US20260321716A1
0000 The present invention aims to improve atmospheric stability of a conventional sulfide-based solid electrolyte, wherein the present invention relates to a solid electrolyte having an argyrodite-type crystal structure which is doped with a cation having a ratio (r/r) of an ionic radius (r) (unit: Å) value of the cation to an ionic radius (r) (unit: Å) value of S<2−> of 0.20 to 0.30 and an all-solid battery including the same.
Resumen de: US20260321849A1
0000 A battery module assembly method to assemble a module unit (100) and a module housing (200) using an assembly jig, the assembly jig having a support platform (1), the support platform (1) is used to support each module unit (100) of the battery module and is provided with a plurality of module unit positioning parts (10); the battery module assembly method includes: step S1: positioning each module unit (100) on the support platform (1) using the module unit positioning parts (10); step S2: installing a soft copper plate (300) between each module unit (100) to achieve electrical connection between each module unit (100); step S3: placing the module housing (200) abutted against each module housing positioning part (20) so that the module housing (200) is sleeved on the outside the module unit (100).
Resumen de: US20260321869A1
0000 According to the present disclosure, a secondary battery in which a gas discharge valve has excellent operational stability is provided. A battery case of the secondary battery disclosed herein includes a flat rectangular sealing plate, and a gas discharge valve provided in the sealing plate. In addition, in the secondary battery, a thickness T1 of the sealing plate, a length L1 of a short side of the sealing plate, a length L2 of a long side of the sealing plate, and a length L3 of the gas discharge valve in a short side direction satisfy expression (1) represented by T1/L1≤0.1, expression (2) represented by L2/L1≥6, and expression (3) represented by L3/L1≥0.4. As a result, when an internal pressure of the case rises to a desired pressure, the sealing plate is easily bent and deformed, so that the gas discharge valve can be stably operated by the bending deformation.
Resumen de: US20260321930A1
A battery module includes a battery cell; a case housing the battery cell, the case including a conductive material; a bus bar electrically connected to the battery cell, the bus bar including a terminal exposed to outside of the case; and a barrier disposed between the terminal and the case, wherein the barrier comprises a groove in an end of the barrier.
Resumen de: US20260321926A1
0000 The present application relates to a protection device against electrical discharge through a human body, which protection device comprises a conductive element electrically connected between a cathode of a battery cell of a vehicle propulsion battery module and a metal casing surrounding said battery cell, which conductive element displays electrical resistive properties for limiting stray capacitance energy through a human body if a person comes in contact with a conductor of the battery cell.
Resumen de: US20260321779A1
0000 In one aspect, a heat exchange structure includes a first plate and a second plate, wherein the first plate is provided with a first recess, the first recess being defined by a first bottom wall and a first side wall of the first plate; and wherein the second plate is provided with a second recess, the second recess being defined by a second bottom wall and a second side wall of the second plate. The first bottom wall and the second bottom wall are at least partially spaced apart so as to form a flow channel, the first side wall is connected to the second side wall, and the first recess of the first plate is configured to contain battery cells.
Resumen de: US20260321807A1
0000 An electrochemical apparatus, including an electrode assembly and a housing. The housing includes a first bottom wall and a second bottom wall disposed opposite to each other along a first direction, a first sidewall and a second sidewall disposed opposite to each other along a second direction, and a third sidewall and a fourth sidewall disposed opposite to each other along a third direction. The electrode assembly is accommodated in the housing. The first sidewall includes a first base portion and a first protrusion. The first protrusion connects the first base portion and the third sidewall. An outer surface of the first protrusion protrudes beyond an outer surface of the first base portion along the second direction. An inner surface of the first protrusion is recessed relative to an inner surface of the first base portion in a direction away from the electrode assembly.
Resumen de: US20260315843A1
0000 A method for extinguishing a flame and terminating thermal runaway in a device powered by a lithium ion battery. The disclosure also provides a system for extinguishing fires generated by lithium ion batteries exhibiting thermal runaway.
Resumen de: US20260319016A1
A first voltage detection device (30) detects a voltage of a lead portion (150) folded back between different battery cells (100). The first voltage detection device (30) includes a first voltage detection portion (410), a first voltage detection line (420) electrically connected to the first voltage detection portion (410), and a first holding body (300) holding the first voltage detection portion (410) and the first voltage detection line (420).
Resumen de: US20260321655A1
A negative electrode slurry, a negative electrode including the same, and a lithium secondary battery including the negative electrode are provided. The negative electrode slurry includes a negative electrode active material, single-walled carbon nanotubes (SWCNTs), an organic-based binder, and an organic solvent. The negative electrode slurry includes the negative electrode active material comprising silicon-based particles having a large charge/discharge capacity, generates a small amount of hydrogen gas during preparation and storage, and provides an excellent capacity retention rate of the negative electrode during charging and discharging.
Resumen de: US20260321610A1
0000 The present application relates to a negative electrode composition, a negative electrode for a lithium secondary battery including the same, and a lithium secondary battery including the negative electrode. The negative electrode composition includes: a silicon-based active material; a negative electrode conductive material; a negative electrode binder; and a metal composite on which lithium oxide is deposited, where a weight ratio of metal to lithium oxide in the metal composite is 10:1 or more and 800:1 or less, and where the metal composite is comprised in an amount of 1 part by weight or more and 15 parts by weight or less based on 100 parts by weight of the negative electrode composition.
Nº publicación: US20260321933A1 15/10/2026
Solicitante:
KYOCERA CORP [JP]
KYOCERA Corporation
Resumen de: US20260321933A1
A battery module according to the present disclosure that implements a battery module that is less likely to discharge externally includes an insulating substrate including a first surface, a second surface located opposite to the first surface, and a recessed portion opening to the first surface, a first electrode located on a bottom surface of the recessed portion, a conductive elastic member located on the first electrode, and a conductive member that comes into contact with an upper surface electrode of a battery accommodated in the recessed portion. The insulating substrate includes a fixing portion that limits movement of the conductive member in a direction away from the bottom surface of the recessed portion.
BOPI
Sede Electrónica
