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1168
resultados
Última actualización
01/11/2026 [07:23:00]
Resultados 700 a 725 de 1168
Resumen de: US20260331719A1
0000 A connection structure, a cover assembly and a battery are provided. The connection structure includes a tab connection portion and a pole connection portion that are bend-connected. One side of the tab connection portion adjacent to the pole connection portion is arranged facing a core pack. One side of the tab connection portion facing away from the pole connection portion is configured to be welded with a tab protruding from the core pack. The pole connection portion is configured to connect a pole of the core pack. A thickness of the tab connection portion is greater than a thickness of the pole connection portion, so that a distance from the tab welded to the tab connection portion to a side surface of the core pack where the tab is located is greater than the thickness of the pole connection portion.
Resumen de: US20260331571A1
A lithium secondary battery improved in an output characteristic, a low-temperature characteristic, and the like. The lithium secondary battery includes: a positive electrode, a negative electrode, and an electrolyte containing a lithium salt and a non-aqueous organic solvent, wherein the positive electrode includes a positive electrode current collector; and an active material layer that is formed on the positive electrode current collector and includes a positive electrode active material, a conductive material and an oxide-based solid electrolyte having a lithium ion source, and wherein the positive electrode active material and the oxide-based solid electrolyte are dispersed in the active material layer in the form of particles, and the average particle size (D50) of the particles satisfies a fixed ratio.
Resumen de: US20260331597A1
0000 A method for assembling a battery is described. The battery has a case, a post assembly, a plurality of battery cells, and a first cover. The post assembly includes a plurality of posts. The first cover has a first plurality of openings. The method includes assembling the case, the post assembly, and the plurality of battery cells. The assembling includes coupling the post assembly to the plurality of battery cells by coupling each post of the plurality of posts to a corresponding battery cell of the plurality of battery cells and inserting the plurality of battery cells and the post assembly in the case. The method further includes coupling the first cover to the case. At least one post of the plurality of posts protrudes through at least one opening of the first plurality of openings and extends from the first cover.
Resumen de: US20260331495A1
A lightweight battery is provided. The battery includes a separator-integrated electrode in which a separator and an electrode are integrated with each other, and the separator-integrated electrode includes the separator, a carbon particle layer, and a silicon layer positioned between the separator and the carbon particle layer. The silicon layer can be formed by a sputtering method, and the carbon particle layer can be formed by a coating method. Preferably, the separator includes polypropylene, the thickness of the silicon layer is greater than or equal to 100 nm and less than or equal to 200 nm, and the carbon particle layer includes graphite particles.
Resumen de: US20260328304A1
A relief valve includes: a base part laid on a container and including a valve hole and a valve seat; a valve body including an annular contact portion contacting the valve seat; a slide support mechanism including a shaft provided in one of the valve body or the base part and a shaft fitting portion provided in the other, configured to support the valve body linearly movably in an axial direction of the shaft; and a seal member provided in one of the valve seat or the annular contact portion, the other being in contact with the seal member, wherein the slide support mechanism is provided with a clearance that allows the shaft to relatively tilt with respect to the shaft fitting portion and only a portion in a circumferential direction of the seal close contact portion to be in a partial contact state contacting the seal member.
Resumen de: US20260328302A1
0000 A relief valve includes: a base part laid on an opening edge of a discharge hole of a container and including a valve hole facing the discharge hole; a fixing portion provided in the base part to fix the base part to the container; a valve seat provided in the base part to surround the valve hole at a position farther from the valve hole than the fixing portion; a valve body disposed facing the valve hole and including an annular contact portion configured to move toward and away from the valve seat; and an annular seal member sandwiched between the container and the base part to surround the valve hole at a position farther from the valve hole than the fixing portion, wherein the fixing portion includes a plurality of attachment holes through which a plurality of rod-shaped fasteners passing through the container are inserted.
Resumen de: US20260327741A1
Provided is a method for recovering nickel, cobalt, and manganese from compounds including metal oxides of nickel, cobalt, and manganese in such a manner that a recovered material contains a low concentration of manganese and high concentrations of nickel and cobalt.The method for recovering nickel, cobalt, and manganese includes a mixing step of mixing compounds including a metal oxide of nickel, a metal oxide of cobalt, and a metal oxide of manganese, with a reducing agent to form a mixture; and a heating step of heating the mixture to produce a first product and a second product having a higher manganese concentration than the first product. The reducing agent used in the mixing step is at least one reducing agent selected from carbon reducing agents containing carbon as a constituent element, silicon reducing agents containing silicon as a constituent element, and aluminum reducing agents containing aluminum as a constituent element. The reducing agent is used in an amount satisfying a predetermined range.
Resumen de: US20260327092A1
A method for recovering elements from a waste material is disclosed, such as a black mass from spent Li-ion batteries, comprising thermally treating a solid waste material comprising carbon, at least one alkali metal, and one or more of a transition metal and a transition metal oxide, dissolving the thermally treated solid waste material in a solvent to form a dissolved waste material solution, removing the at least one alkali metal from the dissolved waste material solution to form an initial leaching solution, leaching the at least one transition metal to form a pre-purified leaching solution, and removing impurities from the pre-purified leaching solution to form a purified leaching solution. Precipitating transition metal particles from the purified leaching solution and forming a mixed metal oxide particle from the recovered lithium and precipitated transition metal particles is also disclosed.
Resumen de: US20260331659A1
A disclosed battery includes: a battery can of a bottomed tubular shape having an opening at one end; an electrode group housed in the battery can, and having a first electrode and a second electrode; an electrode terminal penetrating the bottom of the battery can, and insulated from the battery can; and a sealing plate sealing the opening of the battery can. The electrode terminal is electrically connected to the first electrode. The battery can is electrically connected to the second electrode.
Resumen de: US20260331485A1
0000 Disclosed is a method of preparing an electrode for an alkali metal ion secondary cell, the method may include: mixing polyacrylonitrile, or a copolymer of acrylonitrile and at least one other monomer, or a blend of either of the foregoing with one or more other polymers, with a first organic solvent and an electrochemically active material, to form an electrode precursor composition; forming an electrode precursor from the electrode precursor composition; and forming an electrode by exposing the electrode precursor to an alkali metal salt.
Resumen de: US20260328855A1
A battery management apparatus includes a measuring unit configured to measure a temperature and a voltage of each battery cell of a plurality of battery cells and a controller configured to generate first information of each of the battery cells of the plurality of battery cells, based on whether the plurality of battery cells are being charged or discharged, a time-specific temperature of each of the battery cells of the plurality of battery cells, and a time-specific voltage of each of the battery cells of the plurality of battery cells and determine a deteriorated battery cell among the plurality of battery cells, based on the first information of each of the battery cells of the plurality of battery cells.
Resumen de: US20260331511A1
Electrodes for energy storage devices are disclosed that comprise a solventless electrode film. The solventless film comprises a porous network of an active material attached together by binder particles. The binder particles comprise a high density polyethylene polymer.
Resumen de: US20260327082A1
The present invention relates to a heat control member including a wet gel blanket, and a battery including the heat control member.
Resumen de: US20260331465A1
A negative electrode active material contains: a silicon-based active material (A) containing SiOx (in the formula, x is a number satisfying 0.5≤x≤1.6); a carbon-based active material (B) composed of secondary particles formed by aggregation of primary particles; and a carbon-based active material (C) composed of primary particles that do not form secondary particles. D10A is 3 μm or more, and if the maximum value of D10 among values of D10A, D10B, and D10C is defined as D10max, and the minimum value is defined as D10min, the value of D10max/D10min is 2.5 or less. If the maximum value of D90 among values of D90A, D90B, and D90C is defined as D90max, and the minimum value is defined as D90min, the value of D90max/D90min is 2.0 or less.
Resumen de: AU2026242112A1
Abstract An energy system for a watercraft comprises a plurality of battery packs and a cart. The cart may include a power receptacle, a wheel assembly, a handle assembly, and a plurality of transport compartments. Each transport compartment may be configured to receive a battery pack and may include at least one connector configured to mate with a receptacle assembly of the battery pack. The cart may be configured to transfer power from the power receptacle to the plurality of battery packs to charge the plurality of battery packs and to transport the battery packs to and from a watercraft via the wheel assembly and the handle assembly. Each battery pack may be configured to be received through at least one opening in a rub rail of the watercraft into at least one battery compartment formed between C-channels of the frame of the watercraft to provide power to the watercraft. Abstract
Resumen de: US20260324756A1
0000 An electronic device having a control unit and a first battery, wherein, when a second battery is provided to a cover member attached to a device main body, and a residual power of the second battery is a pre-determined reference value or higher, the control unit switches a supply of power for some electronic components provided to the device main body from the first battery to the second battery.
Resumen de: US20260331650A1
0000 This all-solid-state battery is provided with a solid electrolyte and a resin film for all-solid-state batteries, the resin film being disposed so as to be in contact with at least a part of the solid electrolyte; and the resin film for all-solid-state batteries contains at least one of a water absorbent and a gas absorbent.
Resumen de: US20260331554A1
According to the present disclosure, as a usage time of a secondary battery increases, a deformable part may be deformed to suppress deformation near an end of a positive electrode, thereby preventing an adjacent separator from being damaged. The disclosed electrode assembly has a structure, in which a first electrode sheet, a second electrode sheet, and a separator disposed between the first electrode sheet and the second electrode sheet are wound together. The first electrode sheet may include a deformable part disposed to be spaced a predetermined distance from one end of the second electrode sheet in a winding direction and having a shape that protrudes toward a central portion with respect to the wound state. A method for manufacturing the electrode assembly, and a secondary battery comprising the electrode assembly are also disclosed.
Resumen de: US20260327742A1
Provided are a lithium compound for recovering valuable metals and a method for recovering the same. The method for recovering a lithium compound for recovering valuable metals includes: preparing a battery, freezing and forcibly discharging the battery, crushing the battery, and heating the crushed battery material, wherein the heating is performed in a temperature range of 1,100 to 1,400 °C, the heating is performed at a vacuum degree (Log P atm) in a range of −4 to 0, the lithium compound recovered by the heating includes impurities, and the impurities include 1.8 wt % or less (excluding 0 wt %) of Na, 0.06 wt % or less (excluding 0 wt %) of K, 0.62 wt % or less (excluding 0 wt %) of Ca, and 0.47 wt % or less (excluding 0 wt %) of Mg, in % by weight.
Resumen de: US20260331609A1
Embodiments of the present application provide a method and apparatus for controlling a battery, which may improve the reliability of supplying power to an electric device by the battery. The method for controlling a battery is applicable to a battery management system, and comprises: sending first state information, where the first state information is configured to indicate that a battery is in a first abnormal state; and receiving first control information, where the first control information is determined based on the first state information and configured to instruct the battery management system to control the battery to be in a closed state in a first time period.
Resumen de: US20260331510A1
The present invention relates to a binder composition for positive electrodes comprising a polymer P1 comprising recurring units derived from vinylidene fluoride and a hydrophilic polymer P2 comprising recurring units derived from at least one monomer of formula R1R2C═C(R3)C(O)R (I) wherein R1, R2 and R3 are independently selected from the group consisting of H and C1-C5 alkyl; R is selected from the group consisting of —NHC(CH3)2CH2C(O)CH3, —NR′R″ or —OR′ wherein R′ and R″ are independently selected from the group consisting of H and C1-C18 alkyl groups optionally substituted by one or more hydroxyl, thiol or amino functional group(s) or a five- to six-membered heterocycle comprising at least one nitrogen atom in the ring; characterized in that the weight average molecular weight of said hydrophilic polymer P2 is greater than 30000 g/mol, advantageously greater than 50000 g/mol, preferably greater than 65000 g/mol, more preferably greater than 80000 g/mol.
Resumen de: US20260331722A1
An electrode assembly, a secondary battery, and an electronic device. One end of a first current collector in a width direction is provided with a plurality of extension members, a first surface of each extension member is provided with a plurality of protruding portions in a protruding manner, and a second surface of the extension member is provided with a plurality of recessed portions in a recessed manner. The electrode assembly includes adjacent extension members. When viewed along a thickness direction of the electrode assembly, two adjacent extension members at least partially overlap, and at least one protruding portion of one extension member is embedded in a recessed portion of another extension member adjacent thereto.
Resumen de: US20260331668A1
A pack case includes a lower housing forming an accommodation space, a lower reinforcement plate mounted in the accommodation space of the lower housing and configured to support at least one cell assembly, and an upper housing coupled to the lower housing to seal the accommodation space, wherein a mechanical strength of the lower housing is smaller than a mechanical strength of the lower reinforcement plate.
Resumen de: US20260326620A1
0000 An electric vehicle is described that has fuel cells and rechargeable batteries. The fuel cells are sized to produce an electric power output within their peak fuel efficiency range approximately equal to an anticipated average electric power requirement of the electric vehicle over a projected work cycle. The rechargeable batteries are sized to provide electric power up to the anticipated maximum power draw over the anticipated work cycle. An electrical vehicle controller operates the fuel cells within their highest fuel efficiency range during normal operations and maintains the battery state of charge in an optimal longevity range using a portion of the output of the fuel cells. The batteries are employed to handle short-term power requirements that exceed the output of the fuel cells.
Nº publicación: US20260331639A1 22/10/2026
Solicitante:
AISIN CORP [JP]
AISIN CORPORATION
Resumen de: US20260331639A1
0000 A battery cooling device includes: a battery case with an accommodation portion accommodating a battery module; an inlet port that is provided at a central portion in a first direction in the battery case and on one end side in a second direction and into which cooling liquid supplied from a pump is introduced; discharge ports discharging, on an upper side of each of a plurality of the cells, the cooling liquid introduced into the inlet port; and a communication path causing the inlet port to communicate with the discharge ports. The communication path includes a branching flow path including first and second branching flow paths. The first branching flow path communicates with the inlet port and branches to one end side of the first direction. The second branching flow path communicates with the inlet port and branches to another end side of the first direction.
BOPI
Sede Electrónica
