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955
resultados
Última actualización
09/02/2026 [07:06:00]
Resultados 425 a 450 de 955
Resumen de: US20260031465A1
A power storage device includes: a power storage stack including a plurality of power storage cells each having a lower surface and an upper surface, a safety valve being disposed in the lower surface; a support portion that supports the power storage stack from below; an exhaust path provided below the support portion and provided to be able to communicate with a space located directly below the safety valve; a cooler that cools the power storage stack, the cooler being disposed below the power storage stack; and a plate-shaped member disposed above the power storage stack and facing the upper surface of each of the power storage cells.
Resumen de: US20260031459A1
Battery pack for a road vehicle with electric propulsion; wherein the battery pack comprises: a plurality of planar electrochemical cells arranged in pack along an axis A; and a support structure that comprises two plates opposite along the axis and parallel to the cells. The two plates define the housing volume for the cells. The cells at the beginning of life are housed in the support structure with an initial preload along the axis that generates a corresponding initial axial stress acting on the plates. Each cell comprises two flat faces orthogonal to the axis A and a thickness along the axis A that gradually increases over the life of the battery pack. The plates are configured to move away from each other along the axis A such that an increase in cell thickness does not result in a corresponding progressive increase in the axial stress acting on the plates.
Resumen de: US20260031426A1
Battery pack designs are provided for use in electrified vehicles. Exemplary battery packs may include a battery array that includes one or more interconnected array frames. A split thermal fin may be held within the one or more array frames. The proposed designs of the split thermal fin enable a reduction of the amount of thermal interface material required between the thermal fin and a support structure (e.g., a heat exchanger plate) of the battery pack.
Resumen de: US20260031411A1
A battery monitoring system for a vehicle, comprising a battery having one or more cells, a housing wherein the battery is arranged, the housing has an atmosphere, wherein a ventilation valve is arranged at the housing for controlling the atmosphere in the housing, the ventilation valve comprises a first port and a second port, the first port being in fluid communication with the housing, the second port is in fluid communication with a closed expansion space arranged outside the housing, wherein a gas sensor is arranged at the atmosphere, at the ventilation valve, and/or at the closed expansion space, the gas sensor is configured to detect a gas leaking or emitting from the battery.
Resumen de: US20260031364A1
Disclosed is a current collector, and a method for using the current collector. The current collector is capable of forming an electrode, which does not affect performance and operation of a secondary battery by exhibiting, in a normal state, excellent electrical characteristics including low resistance, and can ensure stability by blocking, in an abnormal state, energization of an electrode assembly through resistance increase. The current collector is also capable of ensuring excellent adhesive force between layers forming the electrode.
Resumen de: US20260031406A1
An electrode assembly includes: a first electrode; a second electrode on the first electrode in a first direction; and a separator between the first electrode and the second electrode. The first electrode, the second electrode, and the separator are wound in a jelly roll shape about a winding axis extending in a second direction intersecting the first direction. The first electrode has a first front uncoated region adjacent to the winding axis in the first direction and extending around the winding axis by at least two turns.
Resumen de: US20260031408A1
Battery cells of this disclosure include a zinc anode and a cathode having acidified metal oxide nanomaterials combined with alkaline battery chemistry materials.
Resumen de: US20260031362A1
A secondary battery and a preparation method therefor, and an electric apparatus. The secondary battery comprises a positive electrode plate, which positive electrode plate comprises a positive electrode current collector and a positive electrode film layer provided on at least one surface of the positive electrode current collector, wherein the positive electrode film layer comprises a positive electrode active material and a material containing a chalcogen element. The secondary battery and an electric apparatus including the secondary battery have improved cycle performance and high-temperature storage performance.
Resumen de: US20260031377A1
The present invention relates to a method of supplying electricity to an electrical load including steps of providing an alkaline solution, reacting the alkaline solution with silicon so as to produce hydrogen. processing the hydrogen in a fuel cell to generate electricity, and supplying the electricity from an output of the fuel cell to the electrical load via a suitable electrical interfacing module.
Resumen de: WO2026023670A1
Provided is a battery which comprises: a positive electrode; a negative electrode disposed separated from the positive electrode; a separator held between the positive electrode and the negative electrode; and an electrolyte solution. Relative to the total mass of the electrolyte solution, the electrolyte solution may contain 0.1-50% of an alkali metal salt, alkaline earth metal salts or nitrate, including at least lithium nitrate, and may contain 1-20% of a fluorinated aromatic compound represented by general formula (1), wherein R1 is one substituent group selected from among hydrogen, fluorine, a methyl group, and a trifluoromethyl group.
Resumen de: WO2026023655A1
A niobium-containing oxide powder according to the present invention satisfies formula (I). (I) AaTi(2-p-q-r)(MV (0.5+v)MIII (0.5-v))p(MV (0.67+w)MII (0.33-w))qMIV rNb(14-s)M1 sO(39±t) (In the formula, A is at least one element selected from the group that consists of Li and Na, M1 is selected from the group that consists of MV, (MIV (0.5+w)MVI (0.5-w)), (MVI (0.67+w)MIII (0.33-w)), and (MVI (0.75+w)MII (0.25-w)), each MII is independently at least one divalent metal element, each MIII is independently at least one trivalent metal element, each MIV is independently at least one tetravalent metal element, each MV is independently at least one pentavalent metal element, each MVI is independently at least one hexavalent metal element, 0≤a≤6, -0.05≤v≤0.05, -0.05≤w≤0.05, 0≤p<2, 0≤q<2, 0≤r<2, 0
Resumen de: WO2026023429A1
Provided is a nonaqueous electrolyte secondary battery which comprises an electrode body in which a first electrode and a second electrode are wound with a separator (13) interposed therebetween. The nonaqueous electrolyte secondary battery is characterized in that: the first electrode has a first electrode core body and a first electrode mixture layer; one end portion of the first electrode in the axial direction of the electrode body is provided with a first electrode core body exposed portion in which the first electrode mixture layer is not disposed and the first electrode core body is exposed; the separator (13) has a base material layer (50) and a filler layer (52) that is disposed on at least one surface of the base material layer (50); and the filler layer (52) includes inorganic particles and resin particles (54) which have a larger average particle diameter than the inorganic particles, and has protrusion portions (56) which are formed by the resin particles projecting from an inorganic particle layer (58) that is formed of the inorganic particles.
Resumen de: WO2026020770A1
The present invention belongs to the technical field of batteries, and provides a negative electrode active material, a secondary battery, and an electronic device. The negative electrode active material comprises a silicon-based material and an outer layer material, wherein the outer layer material comprises a conductive agent and a nitrile polymer. The infrared spectrum of the negative electrode active material comprises infrared characteristic peaks of a cyano group. The negative electrode active material comprises nitrogen and silicon; and based on the mass of the negative electrode active material, the mass content of nitrogen is D1%, the mass content of silicon is G%, and 0.02≤D1/G≤0.5. By forming the outer layer material comprising the conductive agent and the nitrile polymer on the surface of the silicon-based material, the conductivity and the stability of the negative electrode active material can be improved, such that the secondary battery has an excellent cycle capacity retention rate and expansion inhibition performance, and the high-temperature storage performance of the secondary battery can be further improved.
Resumen de: WO2026020748A1
A composite current collector and a preparation method therefor, and a lithium-ion battery. The composite current collector comprises: a polymer base film (1); a metal layer (2) arranged on at least one side surface of the polymer base film (1); and an organic protective layer (3) arranged on the surface of the metal layer (2) along the direction away from the polymer base film (1), wherein the material of the organic protective layer (3) is composed of polypyrrole and a silane material in a mass ratio of (80-99.5):(0.5-20), and the polypyrrole is prepared by coating a pyrrole material on the metal layer (2) by means of in-situ polymerization.
Resumen de: WO2026020822A1
Disclosed in the present disclosure are a lead-out member, a cover plate assembly, a battery and an electric device. The lead-out member comprises a positioning portion, which is adapted to be connected to a tab and is adapted to limit the tab. By means of providing the positioning portion that is adapted to connect to the tab and is adapted to limit the tab, the tab does not fold and insert into a core under the limiting effect of the positioning portion, so as to increase the accommodating space in a housing for accommodating the core.
Resumen de: WO2026020794A1
The present application discloses a battery module, a battery pack, and an electric device. The battery module comprises a first output electrode and a second output electrode having different polarities, and at least two battery assemblies; the at least two battery assemblies are stacked and arranged in a first direction; each battery assembly comprises a plurality of battery cells arranged in a second direction; the first output electrode and the second output electrode are arranged in offset positions in the first direction and the second direction, respectively; and the second direction is perpendicular to the first direction. According to the battery module of the present application, the use safety of the battery module can be improved while the working performance of the battery module is ensured.
Resumen de: US20260031457A1
An electrical energy storage assembly includes at least two electrical structure elements and at least one cold plate intended to exchange heat energy with at least one electrical structure element. Further, a belt casing and two caps define a cavity to house the electrical structure elements and, at least partially, a cooling structure including two cold plates fixed to respective peripheral edges of the belt casing axially opposite one another. A tier of electrical structure elements is fixed to an internal face of each cold plate and housed in the volume defined by the belt casing. The two tiers of electrical structure elements housed in the belt casing being arranged facing one another with an axial clearance formed between them.
Resumen de: US20260031425A1
A battery pack includes: a plurality of battery cells; and a thermal conductive layer disposed between two battery cells of the plurality of battery cells, and configured to transfer heat from each of the two battery cells. The thermal conductive layer includes expanded graphite (EG) impregnated with a phase change material (PCM). The PCM may include an organic and/or inorganic PCM material. A thin thermal insulation barrier, such as aerogel, may be sandwiched between two anisotropic EG/PCM composites for regulating temperature and to prevent thermal runaway.
Resumen de: US20260031427A1
A heat exchanger including a body containing a working fluid and including a first manifold and a second manifold; at least one internal partition being arranged in the body to form at least two internal channels, each internal channel being in fluid communication with the first manifold and with the second manifold; the body being intended to be thermally coupled to a cold source at a first part and to a hot source at a second part, the first part and the second part being connected by an elbow part; and wherein each internal channel has a cross-section in which the dimensions are adapted so that the working fluid contained in the internal channel has an Eötvös number Eo that is less than or equal to 2.
Resumen de: US20260031463A1
An integrated, unitary battery pack may be formed and used as part of the structural support for a vehicle frame. The unitary battery pack includes arrays cells having all positive and negative electrical terminals aligned in-plane on a common face of the product assembly. The unitary battery pack includes cooling components for passively or actively cooling the cell arrays. The unitary battery pack is encased in a potting material that allows that forms part of the structure support for the unitary battery pack. The unitary batter pack may be integrated into the vehicle with or without additional support structures.
Resumen de: US20260031424A1
A battery system includes a housing, a module stack having a plurality of battery modules stacked in a first direction in the housing, each of the plurality of battery modules including a plurality of battery cells and a module case accommodating the plurality of battery cells, a first venting portion formed in a first side of the module case, a coolant supply channel at a first side of the housing and extending in the first direction, and a plurality of first connection ducts extending in a second direction to connect a first venting portion of at least one battery module of the plurality of battery modules and the coolant supply channel.
Resumen de: US20260031421A1
A manufacturing method for a recycled material that can easily obtain a copper foil as a recycled material from a lithium ion secondary battery is provided. The manufacturing method for a recycled material according to the present disclosure includes: a step of preparing a lithium ion secondary battery including a positive electrode, a negative electrode, and an electrolyte, the negative electrode including a copper foil and a negative electrode active material layer containing graphite as a negative electrode active material, in which a stage structure of the graphite is at least one stage selected from the group consisting of a stage 1, a stage 2, and a stage 3; a step of taking out the negative electrode from the lithium ion secondary battery; and a step of peeling the negative electrode active material layer from the copper foil by bringing the negative electrode and water into contact with each other.
Resumen de: US20260031327A1
The cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer disposed on the cathode current collector and including first cathode active material particles in the form of secondary particles and second cathode active material particles in the form of single particles. Each of the first cathode active material particles and the second cathode active material particles includes a lithium-manganese-containing oxide. A ratio of the number of moles of lithium to the number of moles of elements excluding lithium and oxygen in the lithium-manganese-containing oxide, represented by Li/Me, is 1.1 to 1.5. A weight ratio of the first cathode active material particles to the total weight of the first and second cathode active material particles is greater than 0.5 and less than 0.9.
Resumen de: US20260031317A1
Materials and methods for preparing dry cathode electrode film including reduced binder content are described. The cathode electrode film may be a self-supporting film including a single binder. The binder loading may be 3 weight % or less. In a first aspect, a method for preparing a dry free standing electrode film for an energy storage device is provided, comprising nondestructively mixing a cathode active material, a porous carbon, and optionally a conductive carbon to form an active material mixture, adding a single fibrillizable binder to the active material mixture, nondestructively mixing to form an electrode film mixture, and calendering the electrode film mixture to form a free standing electrode film.
Nº publicación: US20260031325A1 29/01/2026
Solicitante:
VEHICLE ENERGY JAPAN INC [JP]
VEHICLE ENERGY JAPAN INC
Resumen de: US20260031325A1
A positive electrode for the lithium ion secondary battery includes a positive electrode current collector, and a positive electrode active material layer laminated thereon. The positive electrode active material layer includes a positive electrode first active material layer laminated on the positive electrode current collector, and a positive electrode second active material layer laminated on the positive electrode first active material layer, the positive electrode first active material layer includes a positive electrode first active material containing a lithium-containing composite oxide containing Li and Ni, the positive electrode second active material layer includes a positive electrode second active material containing a lithium-containing composite oxide containing Li and Ni, and a molar fraction of Ni in the positive electrode second active material of the positive electrode second active material layer is smaller than that of Ni in the positive electrode first active material of the positive electrode first active material layer.
BOPI
Sede Electrónica
