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1724
resultados
Última actualización
23/03/2026 [07:26:00]
Resultados 975 a 1000 de 1724
Resumen de: US20260072087A1
Discussed is a state prediction apparatus that may include a data managing unit configured to extract first battery data including battery data obtained for a first predetermined time after completion of charging of a battery and second battery data including battery data obtained for a second predetermined time after entering of discharging of the battery and a controller configured to obtain first state data for predicting a state of the battery by applying the first battery data to a first deep learning model, obtain second state data for predicting the state of the battery by applying the second battery data to a second deep learning model, and predict the state of the battery based on the first state data and the second state data.
Resumen de: US20260072099A1
A secondary battery testing device including: a support bulkhead configured to contact one side surface of a battery cell for an internal short-circuit test; a penetration bulkhead opposite to the support bulkhead and configured to contact an opposite side surface of the battery cell, the penetration bulkhead having an access opening extending therethrough toward the support bulkhead; a bulkhead connector connecting the support bulkhead and the penetration bulkhead to each other and maintaining a gap between the support bulkhead and the penetration bulkhead; an alignment mechanism mounted on the penetration bulkhead and having a nail guide corresponding to the access opening and having a guide passage; and a nail configured to penetrate the battery cell through the guide passage to cause an electrical short-circuit of the battery cell.
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: US20260074272A1
Disclosed is an assembly comprising at least one cell comprising an exterior surface; a bag with an interior surface and an exterior surface, wherein the bag surrounds the at least one cell; an inert gas filling a space between the interior surface of the bag and the exterior surface of the at least one cell; and a casing surrounding the bag, wherein the bag exerts a compressive pressure, via the inert gas, on the at least one cell.
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.
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.
Resumen de: US20260074261A1
A pressing apparatus according to embodiments of the present disclosure may include a driver, a cylinder configured to move in response to driving of the driver, and a regulator configured to control an internal pressure of the cylinder, wherein the cylinder moves upwardly by a first distance in response to driving of the driver, and a portion of the cylinder is configured to move upwardly by a second distance in response to the internal pressure of the cylinder controlled by the regulator to provide a pressing force to at least a portion of a secondary battery.
Resumen de: WO2026051527A1
Embodiments of the present application provide a battery cell detection apparatus and a detection method using same, and a battery cell detection system and a detection method using same. The battery cell detection apparatus comprises: a detection apparatus arranged at a detection station; a conveying apparatus used for conveying a battery cell from a first placement position to a second placement position, the first placement position and the second placement position being located on two opposite sides of the detection apparatus; a first transfer apparatus arranged on a first side of the detection apparatus and used for transferring a grabbed battery cell to the detection station and placing a detected battery cell at the first placement position; and a second transfer apparatus arranged on a second side of the detection apparatus and used for grabbing a battery cell at the second placement position and transferring the grabbed battery cell to the detection station. The first transfer apparatus is configured to move a part to be detected of a battery cell to a first preset position, and the second transfer apparatus is configured to move a part to be detected of a battery cell to a second preset position. The detection apparatus is configured to detect the battery cell grabbed by the first transfer apparatus and/or the battery cell grabbed by the second transfer apparatus.
Resumen de: WO2026051553A1
The present application discloses a cabinet (10), an energy storage apparatus (100), and an electrical device (200). The cabinet (10) comprises a base (11), a first limiting member (12), and a second limiting member (13). The base (11) is provided with an accommodating recess (111) extending in a first direction (x). The accommodating recess (111) is provided with a first end (111a) and a second end (111b) disposed opposite to each other in the first direction (x). The first limiting member (12) is disposed on the base (11) and is located at the second end (111b). The first limiting member (12) abuts an end of a heat dissipation module (20) facing the same direction as the second end (111b). A limiting portion (13a) of the second limiting member (13) is connected to the first limiting member (12). A side of the limiting portion (13a) abuts a side of the heat dissipation module (20) along a second direction (y). A guide portion (13b) extends obliquely from the limiting portion (13a) towards the first end (111a) in the first direction (x), and is arranged to gradually diverge from the side of the limiting portion (13a) abutting the heat dissipation module (20). The guide portion (13b) is used to provide installation guidance for the heat dissipation module (20) to move into the accommodating recess (111) from the first end (111a) towards the second end (111b) so as to abut one side of the limiting portion (13a).
Resumen de: WO2026051355A1
Disclosed is a preparation method for a heteroatom-doped carbon material, comprising the following steps: (S1) uniformly mixing a phenolic monomer, an aldehyde monomer and a non-metal doping source, then pre-polymerizing same to obtain a liquid phenolic resin oligomer, then adding a metal doping source and uniformly mixing same, and then curing same to obtain a solid precursor; (S2) sequentially subjecting the solid precursor to crushing, pyrolysis and carbonization, and then an activation process for pore forming, to obtain a carbon material having a porous structure; (S3) pulverizing the carbon material having the porous structure, placing same into a reactor and introducing a silicon-containing gas, performing silicon deposition, and then subjecting same to stabilization treatment to obtain a silicon-carbon composite material; and (S4) performing carbon coating on a surface of the silicon-carbon composite material to obtain a product heteroatom-doped carbon material. By doping with non-metal and metal heteroatoms in a specific order, the present invention improves the kinetic properties of lithium ions and electrons, inhibits composite material particle breakdown during charging and discharging, and improves interface stability.
Resumen de: WO2026051345A1
Disclosed are a blade battery and a battery pack having same. The blade battery comprises at least one positive electrode sheet, a plurality of negative electrode sheets, a positive electrode cover plate and a negative electrode cover plate. A first tab and a second tab are respectively provided on two adjacent edges of the positive electrode sheet. The plurality of negative electrode sheets respectively cover two opposite sides of the positive electrode sheet, a third tab and a fourth tab are respectively provided on two adjacent edges of each negative electrode sheet, the positive electrode sheet and the negative electrode sheets are stacked, with the edges thereof flush with each other, the first tab and the third tabs are respectively located on two opposite sides of the blade battery, and the second tab and the fourth tabs are respectively located on two opposite sides of the blade battery. The positive electrode cover plate is located on two adjacent edges of the blade battery, and the positive electrode cover plate is connected to the first tab and the second tab to form a positive electrode. The negative electrode cover plate is located on two adjacent edges of the blade battery, and the negative electrode cover plate is connected to the third tabs and the fourth tabs to form a negative electrode.
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: 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: 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: US20260074265A1
An assembly apparatus and an assembly method. The assembly apparatus is configured to assemble a battery cell. The assembly apparatus includes a first guide rail mechanism, where the first guide rail mechanism is located at a housing entry station, a gap is formed between the first guide rail mechanism and an adjacent second guide rail mechanism; a moving mechanism configured to convey an electrode assembly of the battery cell to the housing entry station; and a pressure measurement mechanism fixedly connected to the first guide rail mechanism, where the pressure measurement mechanism is configured to support weights of the first guide rail mechanism and the moving mechanism located on the first guide rail mechanism, and measure a pressure experienced by the electrode assembly during the process of placing the electrode assembly inside a housing.
Resumen de: US20260074263A1
A secondary battery manufacturing apparatus and method are disclosed. The apparatus including: an air supply duct through which a flow of drying air is guided in a first direction; and a drying trunk connected to the air supply duct to guide the flow of the drying air in a second direction intersecting the first direction, wherein the air supply duct includes a plurality of air supply vanes, the drying trunk includes a plurality of drying vanes, the plurality of air supply vanes distribute the drying air and guide the flow of the drying air in a width direction of the air supply duct, and the plurality of drying vanes distribute the drying air and guide the flow of the drying air in a width direction of the drying trunk.
Resumen de: US20260074231A1
A coated active material of the present disclosure includes: a positive electrode active material; lithium carbonate present on a surface of the positive electrode active material; and a coating layer coating at least a portion of the surface of the positive electrode active material. The coating layer includes a lithium-containing fluoride. When a mass of the lithium carbonate present on the surface of the positive electrode active material is measured by neutralization titration, a proportion R1 of the mass of the lithium carbonate in a mass of the positive electrode active material is 0.43% or more and 1.4% or less.
Resumen de: US20260074260A1
An apparatus for transferring an electrode assembly includes a base, a support extending from the base, a gripper connected to the support, a driver configured to drive the gripper so that the gripper grips the electrode assembly, a transferer connected to the base and configured to move along a rail, and a controller configured to control the driver so that the gripper grips a side surface of the electrode assembly in a direction perpendicular to a long axis of the electrode assembly and to control the transferer so that the electrode assembly moves along the rail.
Resumen de: US20260074267A1
An electrode assembly having a wound stacked structure, a first separator, a second electrode, and a second separator are sequentially stacked is provided. The electrode assembly includes a support portion provided on the inner wall of a central winding hole formed in a core of the electrode assembly by winding the stack so as to provide rigidity to the inner wall.
Nº publicación: US20260074237A1 12/03/2026
Solicitante:
TOYOTA JIDOSHA KK [JP]
TOYOTA JIDOSHA KABUSHIKI KAISHA
Resumen de: US20260074237A1
A solid-state battery has a first collector, a first electrode layer, an electrolyte layer, a second electrode layer and a second collector in that order, wherein the first collector includes a resin layer that contacts the first electrode layer, the first electrode layer contains an electrode active material, and the electrode active material has an active material resin.
BOPI
Sede Electrónica
