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174
results.
Updated on
16/02/2026 [06:47:00]
Results 125 to 150 of 174
Absstract of: US20260038990A1
Disclosed herein relates to a prismatic secondary battery including: an electrode assembly including a first electrode lead part formed in a first side direction and a second electrode lead part formed in a second side direction opposite the first side direction; a lower case having an open upper surface and housing the electrode assembly therein; and an upper case covering the open upper surface of the lower case, wherein the upper case includes: a first terminal part bent from a top surface of the upper case corresponding to the open upper surface of the lower case and extending downwardly in the first side direction; and a second terminal part bent from the top surface of the upper case and extending downwardly in the second side direction, wherein the first electrode lead part is electrically connected to the first terminal part, and the second electrode lead part is electrically connected to the second terminal part.
Absstract of: US20260038828A1
An anode-solid electrolyte sub-assembly, a solid secondary battery including the anode-solid electrolyte sub-assembly, and a method of manufacturing a solid secondary battery. The anode-solid electrolyte sub-assembly including an anode and a solid electrolyte, wherein the anode includes an anode current collector, a first anode active material layer disposed adjacent to the solid electrolyte, and including a first carbon-based anode active material, and a second anode active material layer disposed between the first anode active material layer and the anode current collector and including a second carbon-based anode active material, wherein the first and the second carbon-based anode active materials have different peak areas a D band peak and a G band peak in a respective Raman analysis, and the first and second carbon-based anode active materials an each have oxygen content of 3 at % or less.
Absstract of: US20260038870A1
A nonaqueous electrolyte secondary battery according to the present disclosure includes an electrode group including a positive electrode 5, a negative electrode 6, and a separator 7, the electrode group having a wound structure. The electrode group satisfies at least one configuration selected from the group consisting of the following (A) and (B): (A) the electrode group includes an insulating protective tape 9 at at least one end portion of the negative electrode 6 in the longitudinal direction of the negative electrode 6, the insulating protective tape 9 being adhered to a region 60 extending from a face of a negative electrode active material layer 6b facing the separator 7 to an exposed portion of a negative electrode current collector 6a via an end face of the negative electrode active material layer 6b; and (B) the electrode group includes an insulating protective tape in a region of the negative electrode 6 facing a positive electrode lead portion of the positive electrode 5, the insulating protective tape being adhered to the face of the negative electrode active material layer 6b facing the separator 7. The substrate of the protective tape 9 is a microporous resin-based membrane that has a compression deformation ratio of 30% or more and 50% or less when a load of 50 kg/cm2 is applied thereto.
Absstract of: US20260038913A1
The invention relates to a compartment designed to receive a part capable of giving off heat during its operation, in particular the part being an electrochemical energy storage module. The compartment includes a lid, a tray provided with a bottom wall on which the part can be placed, and a side wall designed to be assembled with the lid that closes the tray, the bottom wall and the side wall being in a single piece. The compartment further includes an outer plate which is designed to be assembled on an outer assembly face of the tray or of the lid, in order to form at least one flow channel for a heat transfer fluid.
Absstract of: US20260038905A1
A cooling system includes a compressor that compresses a refrigerant in two stages using first and second compressors, a heat exchanger that cools the refrigerant from the compressor, heat exchangers that use the refrigerant from the heat exchanger, a refrigerant passage that supplies the refrigerant from the heat exchanger to a battery and supplies this refrigerant to the first compressor, refrigerant passages that supply the refrigerant from the heat exchangers to the second compressor, an expansion valve provided on the refrigerant passage, and an expansion valve provided on the refrigerant passage, and a control device performs control to increase the opening degree of the expansion valve when the temperature of the refrigerant discharged from the second compressor is equal to or higher than a predetermined temperature.
Absstract of: US20260038867A1
An apparatus for winding an electrode plate of a rechargeable battery includes: a supply roller configured to supply an electrode plate; a winding core portion configured to wind the electrode plate; and an insert unit that is disposed between the supply roller and the winding core portion, with the insert unit being configured to insert the electrode plate in a first direction that the winding core portion is disposed. The insert unit includes a clamp that extends in the first direction and supports the electrode plate to guide the electrode plate in the first direction. The insert unit also includes a front-end roller that is disposed on the clamp at a position adjacent to a front end of the clamp, with the front-end roller being configured to move in a second direction that crosses the first direction to press the electrode plate supported by the clamp.
Absstract of: US20260038910A1
A secondary battery module includes two cell stacks, each of the two cell stacks including a plurality of unit cells, the plurality of unit cells arranged along a first direction, a cooling plate between the two cell stacks, and a housing configured to accommodate the two cell stacks and the cooling plate, wherein the cooling plate includes a coolant inlet and a coolant outlet on a first side surface of the cooling plate.
Absstract of: WO2026026868A1
Disclosed in the present application are a secondary formation system for batteries and a secondary formation method for batteries. The secondary formation system for batteries comprises at least: a conveying mechanism, a first transfer mechanism, a formation device, a second transfer mechanism and a sorting mechanism, wherein the conveying mechanism is configured to convey a carrying device, and the carrying device is configured for placement of a plurality of batteries; the formation device and the sorting mechanism are arranged in sequence along the conveying mechanism; and the first transfer mechanism is configured to transfer the carrying device between the conveying mechanism and the formation device, and the second transfer mechanism is configured to transfer the carrying device between the conveying mechanism and the sorting mechanism. By applying the present application, provided are a system and method for performing secondary formation on batteries, which can automatically complete first formation of the batteries and select failed batteries for secondary formation, thereby further improving the formation efficiency of the batteries. Moreover, by means of the cooperative use of dummy batteries, the problem of a formation process timing-out is avoided, thereby ensuring the quality of battery products.
Absstract of: WO2026026839A1
A secondary battery (100A), comprising an electrode assembly (10), a case (70), and a first tab assembly (50). The electrode assembly (10) comprises a first electrode sheet (20), a second electrode sheet (30), and a separator (40). The electrode assembly (10) is formed by stacking the first electrode sheet (20), the separator (40) and the second electrode sheet (30) in a first direction (Z). The first direction (Z) is the thickness direction of the electrode assembly (10). The electrode assembly (10) comprises a plurality of side surfaces (11) connected in sequence, wherein one of the side surfaces (11) is a first side surface (11A), and the other of the side surfaces (11) is a second side surface (11B). The electrode assembly (10) is accommodated in the case (70). The first tab assembly (50) comprises a plurality of first tabs (51) and one second tab (52). The plurality of first tabs (51) extend from the first side surface (11A), the plurality of first tabs (51) are separately connected to the first electrode sheet (20), and the plurality of first tabs (51) are electrically connected to each other and accommodated in the case (70). The second tab (52) extends from the second side surface (11B) in a second direction (X), one end of the second tab (52) is connected to one first electrode sheet (20), and the other end of the second tab (52) extends out of the case (70). The arrangement of the first tabs (51) and the second tab (52) can improve the energy density of the secondar
Absstract of: WO2026025752A1
A battery cooling system for a new energy vehicle, and a vehicle. The battery cooling system comprises a battery (1), a coolant loop (2), a first heat exchanger (3), and a turbine cooling device (4). A water channel of the coolant loop (2) passes through the interior of the battery (1). The first heat exchanger (3) comprises an air side and a first coolant side, the first coolant side is connected in series within the coolant loop (2), an input end of the air side is connected to an output end of the turbine cooling device (4), and an output end of the air side is in communication with a cabin (5) of the vehicle.
Absstract of: US20260034765A1
The present invention provides a sheet-like thermal insulating material (flame barrier insulating laminate) that is shapable into a three-dimensional and has excellent handling properties, and a thermal insulating structure with a three-dimensional shape made from the laminate. The flame barrier insulating laminate comprises at least one flame barrier insulating layer and one prepreg layer. The flame barrier insulating layer is made of a sheet having a thickness of 0.1 to 3.0 mm, in which inorganic fibers with a heat resistance temperature of 1000° C. or higher are entangled in a random direction. The prepreg layer is a prepreg sheet in which an inorganic fiber base fabric is impregnated with a semi-cured thermosetting resin. The thermosetting resin of the prepreg layer in the flame barrier insulating laminate is fully cured, resulting in a flame barrier insulating structure with a desired shape.
Absstract of: US20260036501A1
A device for detecting rupture behavior of a battery cell. The device includes an indenter and a number of sensors. The indenter contains a contact surface that is configured to deform the battery cell in a contact region until rupture. The number of sensors is configured to detect the rupture behavior of the battery cell in the contact region.
Absstract of: US20260034695A1
A slitting device for battery pole pieces is provided, including an operating table; side supporting seats are respectively disposed at two sides of an upper end of a bottom plate, a rotatable transmission roller is provided between inner sides of the two side supporting seats, a liftable cross knife holder is disposed at upper ends of the two side supporting seats and is provided with a plurality of detachable mounting seats, and rotatable slitting knives are disposed at front ends of the mounting seats; an adjusting device is also disposed at the front end of each of the mounting seats and includes a rotatable second threaded rod; and the second threaded rods, when rotating, can form structures allowing the slitting knives to move left or right. Transmission structures can be independently dismounted, facilitating installation and later maintenance. The knife holder and the slitting knives can also be adjusted.
Absstract of: US20260040498A1
Disclosed is a containerized heating, ventilation, and air-conditioning (HVAC) system comprising an HVAC unit and one or more ducts from the HVAC unit to an equipment rack. The ducts prevent mixing between the fresh and exhaust airflow, thus improving efficiency. Sensors located at sources of heat generating equipment within the racks may be used by controllers to monitor temperatures of the components at the source of heat generation, typically at the highest temperatures. The temperatures may be aggregated to determine the temperatures of devices, modules, racks, and the container interior cavity. Dampers on the ducts, at the rack inlets, at the module inlets, at the devices inlets, and such may assist in regulating airflow preferentially to the hottest components, devices, modules, or racks.
Absstract of: US20260040495A1
The present disclosure disclosed an insulation and heat-dissipation pad and an electronic device including same, the insulation and heat-dissipation pad comprises: a thermally conductive insulation film; and a thermosetting adhesive layer. The thermosetting adhesive layer is pre-bonded to the thermally conductive insulation film, and the thermosetting adhesive layer is configured to bond to a heat generating portion of a first component or a metal portion of a second component, so as to isolate the heat generating portion from the metal portion in an insulated manner.
Absstract of: US20260038818A1
A secondary battery includes an electrode wound body including a stacked body and having a through hole. The stacked body includes a positive electrode, a negative electrode, and a separator and is wound along a longitudinal direction of the stacked body. The positive electrode includes a positive electrode current collector, and a positive electrode active material layer stacked thereon. The positive electrode active material layer includes a thin part and a thick part. The thick part has a thickness greater than a thickness of the thin part and is positioned on a winding outer periphery side of the electrode wound body relative to the thin part in the longitudinal direction. A position of a border between the thin part and the thick part is different, in a radial direction of the electrode wound body, from a position overlapping a position of a winding center side edge of the positive electrode.
Absstract of: US20260038814A1
Disclosed are a positive electrode active material including core particles including a layered lithium nickel-manganese-based composite oxide; and an yttrium-containing coating layer on the surface of the core particles; wherein an yttrium content on the surface of the positive electrode active material, as measured by energy profiling energy dispersive spectroscopy (EP-EDS), is about 0.1 at % to about 5.0 at % based on 100 at % of the total metal excluding lithium, and the positive electrode active material according to some example embodiments may maximize or increase capacity, while minimizing or reducing a production cost, to ensure long cycle-life characteristics and improve high-voltage characteristics and high-temperature characteristics. A rechargeable lithium battery using positive electrode active material can exhibit high initial charge/discharge capacity and efficiency even under high-voltage driving conditions, can implement long cycle-life characteristics, and can effectively suppress or reduce gas generation problems due to high-voltage and high-temperature driving.
Absstract of: US20260038992A1
Provided are a battery cover, a battery, and an electrical equipment. The battery cover includes a cover assembly, a first electrode terminal, and a first electrode pole, the cover assembly is provided with a first through hole, the first electrode terminal is attached to the cover assembly, the first electrode pole penetrates through the first through hole, a first end of the first electrode pole is connected to the first electrode terminal; the cover assembly is provided with a receiving groove, and an orthographic projection of a connection redundant part generated between the first electrode pole and the first electrode terminal on the cover assembly is within the receiving groove.
Absstract of: US20260038993A1
In some embodiments, a battery safety disconnect system may have a first conductor and a second conductor operatively coupled to at least one battery cell. The battery safety disconnect system may also include a shaft having at least one non-conductive shaft section and at least one conductive shaft section operatively coupled together. The battery safety disconnect system may also include a housing that defines a channel to receive the shaft. The housing may also include a first pole and a second pole. A first conductive contact and a second conductive contact may be configured to facilitate an electrical connection when in contact with the at least one conductive shaft section. Pole fastenings may be configured to attach the poles to the conductors. An operator may be configured to facilitate engagement of the at least one conductive shaft section with the first conductive contact and the second conductive contact.
Absstract of: US20260038902A1
A method of easily obtaining a recycled carbon material by removing more Li from a carbon-based negative electrode active material containing Li is provided. A manufacturing method for a recycled carbon material according to the present disclosure includes: a first thermal process step of thermally processing a carbon-based negative electrode active material containing Li together with ethylene carbonate at a temperature less than a boiling point of ethylene carbonate to obtain a thermally processed object containing lithium ethylene dicarbonate; and a second thermal process step of thermally processing the thermally processed object at a temperature more than or equal to the boiling point of ethylene carbonate to convert lithium ethylene dicarbonate into lithium carbonate.
Absstract of: US20260038862A1
An electrode assembly manufacturing apparatus comprises a first separator supply unit that supplies a first separator sheet, a second separator supply unit that supplies a second separator sheet, a first electrode supply unit that supplies a plurality of first electrode pieces located between the first separator sheet and the second separator sheet, a lamination unit that forms a first electrode-separator assembly including a plurality of first electrode pieces located between the first separator sheet and the second separator sheet, a second electrode supply unit that supplies a plurality of second electrode pieces laminated located on the outer side surface of the separator of the first electrode-separator assembly, a stack unit on which an electrode assembly formed by laminating the first electrode-separator assembly and the second electrode piece is seated, and a holding unit that holds the second electrode piece and moves the second electrode piece to the stack unit.
Absstract of: EP4686708A1
La présente invention concerne des verres ternaires de borate de manganèse sodiés, ainsi que leur procédé d'obtention. L'invention vise également la préparation et l'utilisation desdits verres en tant que matériaux actifs d'électrodes positives, en particulier d'accumulateurs métal-ion, ainsi que lesdits matériaux actifs et électrodes per se.
Absstract of: EP4686699A1
A cathode material of composite carbon-coated lithium manganese iron phosphate, preparation method, and use thereof are disclosed. The method includes steps: (1) by a coprecipitation reaction of a mixed bimetallic solution containing manganese and iron salts with an oxalic solution, and then filtering, washing and drying, to obtain a manganese iron oxalate precursor; and (2) the manganese iron oxalate precursor is mixed with a lithium source and carbon sources, and then grinding, spray drying, sintering and pulverizing, to obtain the cathode material of lithium manganese iron phosphate. This method has advantages of simple process, easy industrialized large-scale production, good economic benefits, low manufacturing cost, etc., which can effectively improve the charging/discharging specific capacity of the cathode material of lithium manganese iron phosphate. Moreover, this method also can solve the problems of poor electronic conductivity and low lithium-ion diffusion rate by coating lithium manganese iron phosphate with the composite carbon sources.
Absstract of: EP4686599A1
A battery management according to an embodiment of this document may include at least one slave device and a master device including a communication circuit and a control circuit. The communication circuit may transmit battery data received from each of the at least one slave device to an external electronic device, and receive a control command according to a processing result of the battery data from the external electronic device. The control circuit may control a switching unit that connects the external electronic device and the battery based on the received control command.
Nº publicación: EP4687180A1 04/02/2026
Applicant:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Absstract of: EP4687180A1
Disclosed are electrolytes and rechargeable lithium batteries. The electrolyte includes a non-aqueous organic solvent, a lithium salt, a first additive represented by Chemical Formula 1, and a second additive represented by Chemical Formula 2. A rechargeable lithium battery includes: a positive electrode that includes a positive electrode active material; a negative electrode that includes a negative electrode active material; and the electrolyte described herein.
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