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1864
resultados
Última actualización
12/03/2026 [08:03:00]
Resultados 450 a 475 de 1864
Resumen de: US20260066387A1
Provided are a cooling plate, a battery pack, and an electric device. The cooling plate has at least one flow channel. The at least one flow channel includes a first flow channel. The first flow channel has a cross section in a shape of a non-circle. In the case that the cooling plate is subjected to an external pressure, the shape of the cross section of the first flow channel changes to enable a volume of the first flow channel to be increased.
Resumen de: US20260066384A1
A battery for an electric vehicle is provided. The battery includes a battery pack housing, a battery pack carried by the battery pack housing, and a superbeam contained within the battery pack housing. The superbeam includes a first face plate, a first passenger plate that partially abuts the first face plate, a first subchannel defined by the first face plate and the first passenger plate, a second passenger plate, a thermal barrier interlayer disposed between the first passenger plate and the second passenger plate, a second face plate opposite the first face plate, a second subchannel defined by the second face plate and the second passenger plate, and an inlet port and an outlet port extending through the superbeam. A portion of the first passenger plate and a portion of the second passenger plate define an air gap. The thermal barrier interlayer extends into the air gap.
Resumen de: US20260066257A1
A battery aluminum foil coating device, a battery aluminum foil coating method, and a battery are provided. By sequentially passing the aluminum foil through an unwinding mechanism, a double-sided coating assembly, a first-sided coating assembly, a second-sided coating assembly and a winding mechanism to complete double-sided coating, the aluminum foil carbon layer coating process and the electrode slurry coating process may be combined, production cost may be reduced, production cycle may be shortened, and resource waste may be reduced.
Resumen de: US20260066292A1
A positive electrode plate, a preparation method thereof, a secondary battery, and an electric apparatus. The positive electrode plate includes a current collector and a positive electrode film layer formed on at least one side of the current collector. The positive electrode film layer includes a positive electrode active material comprising a substrate and a carbon coating layer on the surface of the substrate. The substrate has a general formula LizFexMn(1-x-y)MyPO4, where 1≤z≤1.1, 0.5≤x≤1, 0≤y≤0.1, and M is at least one of Ti, V, and Mg. At least part of the active material includes primary particles, with no more than 10% having sizes between 80 nm and 180 nm, and no more than 15 particles exceeding 1500 nm within a defined microscopic region. This structure improves the particle size distribution concentration, enhancing the cycling performance of batteries.
Resumen de: US20260066482A1
A conductive module includes a bus bar that is physically and electrically connected to an electrode terminal of a battery cell, a flexible printed circuit that is molded in a rectangular shape extending in an arrangement direction of the plurality of battery cells, and electrically connects between a battery monitoring unit and the bus bar, and an electric wire for each of the bus bars that has flexibility and electrically connects the bus bar to the flexible printed circuit. The flexible printed circuit includes a circuit conductor for each of the bus bars that electrically connects the bus bar to the battery monitoring unit, and a pad portion for each of the bus bars that is provided adjacent to the bus bar and is electrically connected to the circuit conductor for the bus bar.
Resumen de: US20260066467A1
An all solid battery includes a multilayer body having a substantially rectangular parallelepiped shape, in which a first electrode layer including a first electrode and a first margin portion and a second electrode layer including a second electrode different from the first electrode and a second margin portion are stacked in multiple layers with a solid electrolyte layer sandwiched therebetween. Among four side faces other than an upper face and a lower face at ends of the multilayer body in a stacking direction, the first margin portion is arranged so as to be exposed to first two side faces facing each other, the first electrode is extended to second two side faces other than the first two side faces, the second margin portion is arranged so as to be exposed to the second two side faces, and the second electrode is extended to the first two side faces.
Resumen de: US20260066477A1
A wiring module is to be coupled to a battery stack member including power storage elements that have electrode terminals and are stacked. The wiring module includes an electric wire and a protector including an electric wire housing portion that has a groove shape extending in a first direction and in which the electric wire is arranged. The electric wire housing portion includes a bottom wall, a pair of side walls that extend upward from two side edges of the bottom wall and that are opposite each other in a second direction that is perpendicular to the first direction, and at least one stopper piece that extends from one of the pair of side walls toward other one of the pair of side walls and with which the electric wire is less likely to be out of the electric wire housing portion.
Resumen de: US20260066466A1
A battery including a self-supporting laminate structure is provided. The laminate structure includes a solid electrolyte sheet containing a solid electrolyte, a first active material layer containing a first active material on one major surface of the solid electrolyte sheet, and a second active material layer containing a second active material on the other major surface of the solid electrolyte sheet. The solid electrolyte sheet preferably has a first extending portion extending outwardly from the periphery of the first active material layer or, a second extending portion extending outwardly from the periphery of the second active material layer.
Resumen de: US20260066410A1
A method for fabricating an electricity storage device includes: preparing a square case including a rectangular opening; preparing a sealing plate to be attached to the opening along an edge of the opening; preparing assembly of attaching the sealing plate to the opening of the case; and performing main welding of laser welding the case and the sealing plate over an entire circumference of a periphery of the sealing plate. In the main welding, laser welding over the entire circumference of the sealing plate is performed in at least four steps.
Resumen de: US20260066289A1
A positive electrode material, including a lithium cobalt composite oxide, where the lithium cobalt composite oxide includes a matrix and a coating layer located on a surface of the matrix, the coating layer includes a first region and a second region, the first region has a P63mc crystal structure, the second region has an R-3m crystal structure, and both the first region and the second region contain element Na. The positive electrode material of this application can reduce interface impedance during lithium-ion intercalation and deintercalation, improving high-temperature storage performance and cycling performance of the electrochemical device under high voltage.
Resumen de: US20260066288A1
An electrochemical apparatus includes a positive electrode and a non-aqueous electrolyte, where the positive electrode includes a positive electrode material layer disposed on at least one surface of a positive electrode current collector, the positive electrode material layer includes a lithium-containing transition metal composite oxide, and the lithium-containing transition metal composite oxide includes LixNazCo1-yMyO2, where 0.6
Resumen de: US20260066276A1
A lithium-ion secondary battery includes a positive electrode current collector, which is provided with N positive electrode tabs, N≥2, and at least a part of a functional surface of the positive electrode current collector is provided with a positive electrode functional layer including a positive electrode active material. The positive electrode active material includes a monocrystal ternary material with a chemical composition of LipMem(NixCoyMnz)O2 and a polycrystal ternary material with a chemical composition of LiqMen(NiaCobMnc)O2, and the lithium-ion secondary battery satisfies 0.2≤(C×N)/W≤7.5, where C is the molar content of nickel of the positive electrode active material; and W is the width of the positive electrode tabs.
Resumen de: US20260062506A1
The present application provides an ultrahigh-molecular-weight polyolefin separator, including ultrahigh-molecular-weight polyethylene. ultrahigh-molecular-weight polyethylene has an average molecular weight of ≥1 million. The ultrahigh-molecular-weight polyolefin separator has a median aperture of 0.04 μm-1 μm, the maximum aperture of no more than 1.2 μm, and a puncture strength of ≥50 gf. Further, the present application further provides a method for preparing an ultrahigh-molecular-weight polyolefin separator. Because the polyolefin separator is safer than an ordinary non-woven separator, and has higher ionic conductivity and larger median aperture, the problems that an ordinary non-woven separator of a lithium-ion battery, although having a high lithium-ion passage rate, has a high degree of danger, and is prone to cause a short circuit of the battery are exactly solved.
Resumen de: US20260066334A1
A lithium-ion secondary battery is a lithium-ion secondary battery including an electrode active material layer, in which the electrode active material layer contains an electrode active material and a binder, the average pore diameter of the electrode active material layer is 1.00 μm or less, and the porosity of the electrode active material layer is 8.8% or less.
Resumen de: US20260066366A1
A battery pack (10) includes a plurality of battery modules (100), an accommodation body (200) that defines an accommodation space (250) accommodating the plurality of battery modules (100), a lower bracket (310) and an upper bracket (320) overlapping in a plurality of stages with at least a portion of the accommodation space (250), and a disconnect switch (410) for disconnecting a circuit electrically connecting the battery modules (100) to each other and provided to the lower bracket (310) and the upper bracket (320).
Resumen de: US20260066355A1
A solid state battery having: a laminated structure in which one or more positive electrode layers and one or more negative electrode layers are alternately laminated with a solid electrolytic layer interposed in between; a positive end face electrode on a first end face of the laminated structure; and a negative end face electrode on a second end face of the laminated structure, wherein (1) at least one of the one or more positive electrode layers has an end portion having a protruding shape protruding toward the positive end face electrode in a sectional view and electrically connected to the positive end face electrode, or (2) at least one of the one or more negative electrode layers has an end portion having a protruding shape protruding toward the negative end face electrode in the sectional view and electrically connected to the negative end face electrode.
Resumen de: US20260066304A1
A battery with excellent cycle characteristics, the battery comprising a cathode layer, an electrolyte layer and an anode layer, wherein the cathode layer comprises a cathode active material and an add-in material; the cathode active material comprises a S element; the add-in material comprises a Cl element and at least one metal element selected from the group consisting of a Mn element, a Y element, a Sn element, a V element, a Nb element and a Ta element; and the add-in material is less than 10% by mass of the cathode layer.
Resumen de: US20260066463A1
An ingredient for a secondary cell separator coating material includes a resin which is a reaction product of a modified methylolmelamine condensation resin having an acid group and polyvinyl alcohol, or the modified methylolmelamine condensation resin having the acid group and the polyvinyl alcohol.
Resumen de: US20260066356A1
A disclosed electrode plate includes: a band-shaped core body having a first principal surface and a second principal surface; and an active material layer formed on each of the first principal surface and the second principal surface. The core body includes a double-side coated part on which the active material layer is formed on each of the first principal surface and the second principal surface, and an exposed part provided continuously with the double-side coated part and on which the active material layer is not formed at least on the first principal surface. The first principal surface on the exposed part has an identification indication part formed thereon in a region within 90% of an area located toward a center in a width direction of the core body.
Resumen de: US20260062310A1
The present disclosure belongs to the field of sodium batteries. Provided are a composite sodium ferrous sulfate cathode material, and a preparation method and application thereof. The composite sodium ferrous sulfate cathode material includes a core. A chemical formula of the core is NaxMyFez(PO4)k(SO4)(0.4-0.6) xOt, where M includes at least one of manganese, vanadium, or titanium, 16≤x≤17, y=1, 4≤z≤5, 2≤k≤2.6, and y+z−0.1x−1.5k≤t≤y+z+0.1x−1.5k. According to the present disclosure, sulfate decomposition is reduced, the material performance of the composite sodium ferrous sulfate cathode material is improved, and a secondary battery using the composite sodium ferrous sulfate cathode material is improved in terms of performance such as cycling performance.
Resumen de: US20260062308A1
A lithium supplement includes a core and a coating layer located on at least part of a surface of the core. The core satisfies a chemical formula LixM1yM21−yO6, where: 6≤x≤8; 0
Resumen de: US20260062298A1
The present application discloses a positive electrode active material, a preparation method thereof, a battery cell, and a power consuming apparatus. The positive electrode active material includes a lithium-containing phosphate, a charge capacity per gram of the positive electrode active material at 25° C. is denoted as C1, the charge capacity per gram of the positive electrode active material at 60° C. is denoted as C2, both units are mAh/g, and C2/C1≥1.020. The positive electrode active material provided in the present application can improve a cycle performance of a battery.
Resumen de: US20260062311A1
A method for preparing a positive electrode material and an energy storage battery are provided. The method includes: preparing an Fe-MOF, including: dispersing a first iron source in a solvent, adding the cyanamide organic ligands into the solvent to perform reflux reaction to obtain a reaction solution, and performing cooling, filtering, and cleaning on the reaction solution to obtain the Fe-MOF; grinding and blending the Fe-MOF with a second iron source, a lithium source, and a phosphorus source to obtain a premix; and performing a sintering treatment on the premix under an atmosphere of an inert gas to obtain a composite lithium iron phosphate positive electrode material. The composite lithium iron phosphate positive electrode material includes lithium iron phosphate particles and carbon nanotubes, the lithium iron phosphate particles are attached to a surface of the carbon nanotubes, and there is iron wrapped by each of the carbon nanotubes.
Resumen de: US20260066382A1
A battery pack includes a battery stack and a band body that binds battery cells of the battery stack between the battery stack and a cooler that cools the battery cells. In the battery pack, a plurality of heat conductive sheets is provided between the battery cells and the band body and between the cooler and the band body. Between the battery cells and the band body, one end portion of each curved heat conductive sheet is brought into surface contact with and joined to the battery cells, and another end portion thereof is brought into surface contact with and joined to the band body. Thereby, even when a curve or the like arises on the band body and distances between the battery cells and the band body vary, since elastic deformation of the heat conductive sheets follows, deterioration of cooling efficiency for the stacked battery cells can be restrained.
Nº publicación: US20260066385A1 05/03/2026
Solicitante:
TOYOTA JIDOSHA KK [JP]
TOYOTA JIDOSHA KABUSHIKI KAISHA
Resumen de: US20260066385A1
A power storage device includes a plurality of power storage cells, a first heat conduction member, a second heat conduction member, a first connecting member, and a second connecting member. The first heat conduction member faces a portion on one side of a safety valve in a second direction. The second heat conduction member faces a portion on another side of the safety valve in the second direction. The first connecting member is provided between the valve mounting surface of each power storage cell disposed in odd-numbered positions from one end side power storage cell to another end side power storage cell, and the first heat conduction member. The second connecting member is provided between the valve mounting surface of each power storage cell disposed in even-numbered positions from the one end side power storage cell to the other end side power storage cell, and the second heat conduction member.
BOPI
Sede Electrónica
