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1446
resultados
Última actualización
27/03/2026 [07:19:00]
Resultados 1100 a 1125 de 1446
Resumen de: US20260071831A1
A cooling floor member (100) is a cooling floor member (100) for cooling a battery cell, including a metal underfloor material (101), a flat plate-like metal floorboard (102) which is arranged face to the metal underfloor material (101), and which has a surface opposite to the metal underfloor material (101) that comes into contact with the battery cell, a partition member (105) inserted between the metal underfloor material (101) and the flat plate-like metal floorboard (102) without being joined thereto, and a joint (130) in which the outer peripheral edge of the metal underfloor material (101) and the outer peripheral edge of the flat plate-like metal floorboard (102) are directly and continuously joined, wherein a region surrounded by the metal underfloor material (101), the flat plate-like metal floorboard (102), and the partition member (105) is a cooling liquid flow path (104) through which a cooling liquid flows.
Resumen de: US20260071815A1
Facility and method for drying electrode are disclosed. The electrode drying facility according to an embodiment of this disclosure is transporting and drying an electrode extended in the longitudinal direction and comprises a heating roller unit including a heating roller that forms a roller shape and transports the electrode and heats the electrode, a heater unit heating the electrode drawn from the heating roller unit, an electrode cooling equipment cooling the electrode drawn from the heater unit, wherein the heater unit irradiates a laser beam containing infrared rays to the electrode.
Resumen de: US20260071791A1
Described herein are devices, systems, and methods for the capturing, transferring, and managing of heat energy. Phase change materials are used for their high thermal inertia property and large energy per volume property when operated near their solid-liquid transition point. Additionally, the systems, devices, and methods utilize one or more thermoelectric modules thermally coupled to a first side of the phase change material and one or more thermoelectric modules thermally coupled to a second side of the phase change material, opposite the first side. The use of the thermoelectric modules allows heat energy to be stored in, transferred within, or harvested from, the phase change material the thermoelectric modules couple to.
Resumen de: US20260071331A1
The invention provides a method for preparing a metal powder, in which an ultrasonic vibration is induced on a perforated membrane that is in contact with a liquid metal. The metal is a low-melting-point metal or an alloy based on such a metal and which has a low melting point. The resulting metal powder is deposited directly onto/into a deposition target.
Resumen de: US20260071294A1
Provided is a method for cost-effectively recovering valuable metals from waste lithium-ion batteries through a pyrometallurgical process. The present invention pertains to a method for recovering valuable metals from waste lithium-ion batteries, the method comprising: an oxidation roasting step S3 in which raw materials including waste lithium-ion batteries are subjected to an oxidation roasting treatment; and a reduction step S4 in which the obtained oxidation roasted product is reduced in the presence of carbon. In the oxidation roasting step S3, calcium carbonate is charged into a furnace together with the raw materials including waste lithium-ion batteries to control the treatment temperature of the oxidation roasting treatment.
Resumen de: US20260074280A1
A rechargeable lithium battery that includes a positive electrode including a positive electrode active material layer and a current collector; a negative electrode; and an electrolyte solution is provided. The positive electrode active material layer and the electrolyte solution include an additive, a total amount of the additive included in the positive electrode active material layer and the additive included in the electrolyte solution is at least about 0.1 wt % and at most about 1 wt % based on a total positive electrode active material layer. A boiling point of the additive is greater than about 200° C.
Resumen de: US20260074273A1
A separator for a lithium battery having (a) a porous polymeric layer, such as a polyethylene layer, and (b) a nanoporous inorganic particle/polymer layer on both sides of the polymeric layer, the nanoporous layer having an inorganic oxide and one or more polymers; the volume fraction of the polymers in the nanoporous layer is about 15% to about 50%, and the crystallite size of the inorganic oxide is 5 nm to 90 nm.
Resumen de: US20260074275A1
The present invention relates to a solid composite electrolyte comprising a) at least one fluoropolymer and b) at least one sulfide-based solid ionic conducting inorganic particle, wherein a) the fluoropolymer comprises recurring units derived from i) at least 50.0 mol % of vinylidene difluorides, the mol % being relative to the total moles of recurring units; ii) at least one C2-C8 chloro and/or bromo and/or iodo fluoroolefin; and iii) at least one C2-C8 fluoroolefin, wherein i), ii) and iii) are different from each other; to a slurry for manufacturing a solid composite electrolyte comprising a) at least one fluoropolymer according to the present invention and b) a sulfide-based solid ionic conducting inorganic particle, and c) at least one non-aqueous solvent; to an electrode comprising a solid composite electrolyte according to the present invention, d) at least one electroactive material, and optionally e) at least one conductive agent; and to a solid state battery comprising a positive electrode, a negative electrode and a membrane, at least one among which comprises a solid composite electrolyte according to the present invention. The present invention also relates to a binder solution for a solid state battery comprising a) at least one fluoropolymer according to the present invention and c) at least one non-aqueous solvent.
Resumen de: US20260074286A1
The present invention relates to a novel electrolyte additive, a non-aqueous electrolyte for a lithium secondary battery comprising the novel electrolyte additive, and a lithium secondary battery comprising the non-aqueous electrolyte. More specifically, the present invention relates to a non-aqueous electrolyte for a lithium secondary battery comprising an additive capable of forming a stable film on an electrode surface. The present invention also relates to a lithium secondary battery comprising such a non-aqueous electrolyte, thereby, a high temperature lifespan of the lithium secondary battery is not deteriorated, resistance does not increase when the lithium secondary battery is stored at a high temperature, and expansion of a volume (thickness) of the lithium secondary battery is suppressed when the lithium secondary battery is stored at a high temperature.
Resumen de: US20260074264A1
An apparatus for manufacturing a battery cell for processing a sealing part of a battery cell, the sealing part being formed on one side of a body part in which an electrode assembly is accommodated, includes: a support unit including a first support portion and a second support portion supporting the battery cell in different directions; and a pressing unit moving toward the support unit to bend the sealing part, wherein the first support portion reciprocates in a first direction, the second support portion reciprocates in a second direction, and the second direction is inclined with respect to the first direction.
Resumen de: US20260074395A1
Disclosed are an assembly method for a secondary battery, a secondary battery, a battery pack and an electronic device, which can improve the stability of a welding structure of a current collector. The assembly method for the secondary battery includes the following steps: an assembly step, assembling a current collector and a terminal, so that a wall portion of the terminal abuts against the current collector; a welding step, irradiating a laser spot on the wall portion, and moving the laser spot along a helical trajectory, welding the wall portion and the current collector to form a weld mark, wherein, on a cross-section passing through a terminal axis, the weld mark extends from a first end to a second end, the first end is located on a surface of the wall portion facing away from the current collector, and the second end is located inside the current collector.
Resumen de: US20260074393A1
The present disclosure provides a pole, a cover plate assembly, and a battery cell. The pole includes a first metal part and a second metal part. The first metal part has a first inward part and a first outward part that is disposed on an inner wall of the first inward part. The second metal part includes a main body and a second outward part. A second inward part is disposed on an outer peripheral surface of the second outward part. The second outward part is embedded into the first inward part, and the first outward part is embedded into the second inward part. A side of the second inward part away from a bottom wall of the first inward part is represented as a first surface. And a gap is only disposed between the first outward part and the first surface.
Resumen de: US20260074364A1
A battery pack case according to an embodiment of the present disclosure includes: a base plate, a side plate disposed along a circumference of the base plate and having a lower side connected to the base plate, a cover plate covering an upper side of the side plate and define an accommodation space above the base plate, a partition plate disposed in the accommodation space to partition the accommodation space into a plurality of spaces, and a top plate forming a flow path together with the cover plate and disposed above the cover plate.
Resumen de: US20260074371A1
The present disclosure relates to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator for a rechargeable lithium battery includes a porous substrate, and a coating layer located on at least one surface of the porous substrate.
Resumen de: US20260074356A1
A cap assembly may include a upper cap, a vent plate disposed below the upper cap, with the vent plate being deformable and including a vent protruding downward A lower cap is disposed below the vent plate, with a through hole being formed in the lower cap, and with the vent inserted into the through hole. A sub-plate is disposed below the lower cap and joined to the vent and the lower cap to electrically connect the vent plate and the lower cap. An insulator is disposed between the vent plate and the lower cap. At least a portion of a surface of the lower cap is in contact with the insulator may be surface treated to have a greater roughness than another surface of the lower cap.
Resumen de: US20260071074A1
Composite shell compositions for use in a cathode in a solid electrochemical cell are described. The composite shell compositions include sulfur, carbon, and a lubricant material. The composite shells improve the mechanical durability and the conductivity of the cathode.
Resumen de: US20260071028A1
A binder for an energy storage device including a polymer composite formed by compositing a polyimide precursor and/or a polyimide with a cyclic molecule having multiple ether bonds. The polyimide precursor contains a reactant of a tetracarboxylic acid component and a diamine component. The polyimide is obtained by imidizing a part or all of the polyimide precursor.
Resumen de: US20260071020A1
The present invention relates to a copolymer, and a slurry composition, a separator, and a secondary battery that comprise same, wherein the copolymer comprises, based on 100 wt % of the total weight of the copolymer, 15 wt % or less of a vinylacetate monomer unit, 10-55 wt % of an acrylate-based monomer unit, and 1-10 wt % of an acrylic acid-based monomer unit bound with at least one selected from the group consisting of an alkali metal and an acetate salt compound comprising an alkali metal.
Resumen de: US20260071048A1
A lithium-ion battery component with an electrode includes a current collector and a silicon-based active layer. The active layer includes a polyacrylonitrile lattice structure with continuous carbon domains. Silicon particles are distributed within the vacancies of the polyacrylonitrile lattice, which is configured to confine the silicon particles during the volume expansion and contraction that occurs during charge cycling.
Resumen de: US20260071062A1
The invention relates to a polymer comprising or essentially consisting of monomer units derived from 1,3-butadiene, acrylonitrile and optionally, methacrylic acid, wherein the weight content of monomer units derived from 1,3-butadiene is at most 65 wt.-%, relative to the total weight of the polymer. The polymer is useful for manufacturing a cathode for a battery cell. The invention further relates to a cathode of a battery cell comprising the polymer as well as to a composition comprising the polymer and γ-valerolactone.
Resumen de: US20260071034A1
Provided is a self-reinforced composite comprising: a matrix comprising carbon nanotubes; and reinforcements positioned on the matrix and comprising the carbon nanotubes. The self-reinforced composite of the present disclosure has high conductivity and ductility. In addition, the reinforcements are arranged to cross each other, which enables a nonlinear S-S curve behavior to be achieved while suppressing damage mechanisms that cause early failure, thereby improving strength and fracture strain.
Resumen de: US20260074274A1
A secondary battery includes: an electrode assembly; a case accommodating the electrode assembly; and a cap assembly coupled to the case to seal the case, and the case includes a bottom portion, long side portions bent and extended from the bottom portion, a first short side portion bent and extended from the bottom portion, and second short side portions bent and extended from the long side portions, and the first short side portion and the second short side portions are connected to one another to define a short side portion.
Resumen de: US20260074268A1
A method for manufacturing an electrode assembly includes preparing a cell stack and forming a bonding part. In the preparing, a first electrode and a second electrode having a width greater than that of the first electrode are alternately stacked with a separator therebetween. In the forming, a bonding part is folded toward the cell stack by bonding the plurality of separators protruding outward further than the first electrode and the second electrode to each other. An electrode assembly is also provided.
Resumen de: US20260074269A1
Provided is a pressing apparatus for a secondary battery for improving the efficiency of a secondary battery manufacturing process and the performance or structural stability of the secondary battery. The pressing apparatus for the secondary battery includes a case part for arranging a plurality of secondary batteries along one direction, an end plate configured to be movable inside the case part in the one direction and apply pressure to the secondary batteries in the one direction, a pulley part connected to one side of the end plate, and a wire part configured to be wound around the pulley part and to transmit power in the one direction to the pulley part to move the end plate along the one direction.
Nº publicación: US20260074271A1 12/03/2026
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
Contemporary Amperex Technology Co., Limited
Resumen de: US20260074271A1
This application discloses a down-pressing mechanism, a pressurizing apparatus, and a battery production device. The down-pressing mechanism includes a pitch adjustment unit and multiple down-pressing members, where the pitch adjustment unit includes a base plate and multiple pitch adjustment members arranged sequentially along a first direction on the base plate. At least one pitch adjustment member is capable of moving along the first direction. Each down-pressing member is connected to a corresponding pitch adjustment member. The down-pressing members are configured to press a product.
BOPI
Sede Electrónica
