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736
resultados
Última actualización
06/09/2026 [07:19:00]
Resumen de: US20260261004A1
A secondary battery according to the present disclosure includes: an electrode assembly; and a battery case in which the electrode assembly is accommodated and of which an edge is sealed, wherein the battery case may include: at least one folding part folded so that a distal end of a portion of the edge of the battery case is hidden inward; and at least one exposing part through which a distal end of the other portion of the edge of the battery case is exposed to the outside
Resumen de: US20260260981A1
The present disclosure relates to the technical field of lead-acid batteries, and in particular, to a terminal side-mounted starting lead-acid battery, including a body and two sets of wiring terminals. The two sets of wiring terminals are symmetrically arranged on any two opposite end faces of the body. An extension sleeve and a sealing cover are sequentially connected along an extension direction of each of the wiring terminals. The extension sleeve is arranged concentrically with a mounting hole of the wiring terminal, a cavity is provided in the extension sleeve, a rotating shaft is rotatably connected in the cavity, a torsion spring is connected to the rotating shaft, and the other end of the torsion spring is connected to an inner wall of the cavity. The sealing cover covers an end face of the extension sleeve to close the extension sleeve.
Resumen de: US20260260933A1
A polymer composition having improved ionic conduction properties, the use of such a polymer composition for the preparation of a polymer electrolyte and/or a positive electrode of a rechargeable battery, a polymer electrolyte for a rechargeable battery including such a polymer composition, a positive electrode for a rechargeable battery including such a polymer composition, and a lithium or sodium rechargeable battery including such a polymer electrolyte and/or such a positive electrode.
Resumen de: US20260260938A1
The present application concerns a lithium-ion cell comprising: a silicon anode, the silicon anode comprising: a current collector layer; and a silicon layer, wherein the silicon layer comprising a plurality of columnar structures on a current collector; a cathode; a separator; and an electrolyte, the electrolyte comprising: 9 to 29 wt. %, with respect to the electrolyte, of a lithium salt; a non-aqueous solvent; and a diluent, wherein the electrolyte having a lithium salt-solvent-diluent molar ratio of 1:x:y, where 1.0≤x≤3 and 2.0≤y≤4.0.
Resumen de: US20260260937A1
0000 A nonaqueous electrolyte energy storage device according to one aspect of the present invention, in which a positive electrode potential at an end-of-discharge voltage in normal use is 3.5 V (vs. Li/Li<+>) or less, includes: a positive electrode containing a positive active material having a ratio of an average particle size to an average primary particle size of 5 or less; and a nonaqueous electrolyte containing a compound containing a sulfur element.
Resumen de: US20260257547A1
0000 A construction machine includes: a battery; at least one electric drive which is supplied by the battery; a hydraulic circuit in which hydraulic oil circulates; at least one hydraulic drive which is supplied by the hydraulic circuit, and a first coolant circuit for cooling the battery and the hydraulic oil, wherein a portion of the hydraulic oil circulates in the first coolant circuit as coolant.
Resumen de: US20260260903A1
A negative electrode for all-solid-state battery and a lithium secondary battery including the same are provided. The negative electrode includes a negative electrode current collector formed of an electrically conductive metal material, a coating layer formed on one surface or opposite surfaces of the negative electrode current collector, the coating layer including a lithiophilic material, and an ion transport layer formed on the coating layer, the ion transport layer including amorphous carbon configured to allow lithium ions to move therethrough.
Resumen de: US20260260780A1
A method of manufacturing a busbar is provided. The busbar can include a plurality of members that are platy and a welding area in which two of the members are welded, the welding area being linear and extending in a first direction. The method can include forming the welding area by application of a laser light including a plurality of beams.
Resumen de: US20260257938A1
0000 Provided is a cathode material, and a secondary lithium battery. The cathode material includes a metal element represented as M, where a total content of the M element is in a range from 500 ppm to 5000 ppm by weight based on weight of the cathode material; and where the M element is distributed in interior and surface of the cathode material, and a molar ratio of the M element in the interior to the M element in the surface is greater than 0.5 and less than 1.5, where when performing element line scan by a high-precision electron spectrometer along an approximate diameter direction in a cross-section of a particle of the cathode material cut by an ion beam cutter, the surface is defined as at an end of the diameter of the line analysis, and the interior is defined as at a center of the diameter.
Resumen de: US20260260885A1
Provided are methods of preparing an electrochemically active cathode material including the steps of combining an alkali metal-containing nickel oxide having a formula A1−aNi1+aO2, wherein A comprises an alkali metal and 0
Resumen de: US20260258279A1
0000 Disclosed herein is a composition comprising a thiol-terminated compound; an oxidant; and a thermally conductive filler package comprising thermally conductive, electrically insulative filler particles. The thermally conductive, electrically insulative filler particles have a thermal conductivity of at least 5 W/m·K (measured according to ASTM D7984) and a volume resistivity of at least 1 Ω·m (measured according to ASTM D257, C611, or B193) and may be present in an amount of at least 50% by volume based on total volume of the filler package. The thermally conductive filler package may be present in an amount of 15% by volume percent to 90% by volume based on total volume of the composition. The present invention also is directed to a method for treating a substrate and to substrates comprising a layer formed from a composition disclosed herein.
Resumen de: US20260257918A1
The present invention relates to a method for preparing lithium difluorophosphate salt in high yield by using low-unit-cost raw materials. In particular, the present invention relates to a method for preparing lithium difluorophosphate salt with high purity and high yield by preparing same without using lithium hexafluorophosphate salt. Therefore, the lithium difluorophosphate salt prepared according to the present invention may be used in an electrolyte for a lithium secondary battery, and when used in an electrolyte for a lithium secondary battery, has electrochemical property, output, and gas reduction effects, and so on.
Resumen de: US20260261197A1
A battery module includes a battery pack, a DC/DC converter, a controller, and a voltage regulator circuit. The voltage regulator circuit includes a resistor, a capacitor, a first switch, and a second switch. A positive end of the DC/DC converter and one end of the capacitor are connected to a positive electrode of the battery pack through the first switch, a negative end of the DC/DC converter and the other end of the capacitor are connected to a negative electrode of the battery pack through the resistor, and the negative end and the other end of the battery-side capacitor are connected to the negative electrode of the battery pack through the second switch. The controller is configured to control the first switch to be turned on, control the second switch to be turned on after a preset condition is met.
Resumen de: US20260260977A1
0000 A battery pack includes a plurality of battery modules, each having at least one battery cell, a rack case configured to accommodate the plurality of battery modules, and a fire proof unit mounted to be spaced apart from each other by a predetermined distance along a vertical direction of the rack case and configured to support the battery modules and prevent flame and heat from propagating to adjacent battery modules when a fire occurs in at least one of the plurality of battery modules.
Resumen de: US20260260993A1
0000 An inspection device includes: a first inspection module and a second inspection module respectively configured to inspect different parts of a battery cell; a loading module configured to acquire and transfer the battery cell, the loading module being capable of driving the battery cell to pass through the first inspection module; a carrier assembly configured to receive the battery cell transferred from the loading module, the carrier assembly being configured to convey the battery cell to pass through the second inspection module; and an unloading module configured to acquire and transfer the battery cell transported by the carrier assembly.
Resumen de: US20260257239A1
The coating mechanism includes a coating head and a speed increasing mechanism. The coating head is provided with an accommodating cavity; a cavity wall of the accommodating cavity is provided with a feed inlet and a discharge outlet. At least a part of the speed increasing mechanism is located in the accommodating cavity; the speed increasing mechanism is configured to distribute a slurry entering from the feed inlet in a first direction, the first direction intersecting with a discharge direction of the discharge outlet. The slurry enters the accommodating cavity of the coating head via the feed inlet and is applied onto an electrode plate via the discharge outlet. Utilizing a part of the speed increasing mechanism located in the accommodating cavity can increase the flow velocity of the slurry in the accommodating cavity; so, the flow velocity of the slurry in the accommodating cavity is actively increased
Resumen de: US20260260951A1
0000 A battery cell includes a housing and an electrode coil inserted in the housing, wherein the electrode coil comprises a first electrode layer, a first separator layer, a second electrode layer and a second separator layer. The electrode coil also comprises a first region and a second region. A ratio of active material to non-active material in the first electrode layer is greater in the first region than in the second region. The active material can also comprise an expanding active material. Alternatively or additionally, a ratio of the expanding active material to a remaining active material is greater in the first region than in the second region. Alternatively or additionally, a density of the active material is higher in the first region than in the second region.
Resumen de: US20260260879A1
A negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer arranged on at least one side of the negative electrode current collector and comprising at least one negative electrode active material layer containing a negative electrode active material. One of the at least one negative electrode active material layer comprises first and second areas. In the thickness direction of the negative electrode sheet perpendicular to a first direction, the first area at least covers two ends of the negative electrode current collector in the first direction. The second and first areas are continuously arranged in the first direction. The second area is sandwiched in the first area and covers part of the negative electrode current collector in the thickness direction. The negative electrode active material has a greater compaction density in the first area than in the second area.
Resumen de: US20260260888A1
The invention relates to a process for the preparation of carbon-deposited alkali metal oxyanion and the use thereof as cathode material in lithium secondary batteries wherein the process comprises synthesis of partially reacted alkali metal oxyanion, a wet-based nanomilling step, a drying step and a subsequent carbon deposition step performed by a thermal CVD process. The invention also relates to carbon deposited alkali metal oxyanion with less than 80 ppm of sulfur impurities for the preparation of a cathode of lithium secondary batteries with exceptional high-temperature electrochemical properties.
Resumen de: US20260260935A1
According to exemplary embodiments, an electrolyte for a lithium secondary battery which includes an additive including a compound represented by a specific formula; an organic solvent; and a lithium salt may be provided. Thereby, the lithium secondary battery including the electrolyte for a lithium secondary battery may provide excellent high-temperature characteristics and other performances (e.g., initial resistance, rapid charge performance, room-temperature capacity characteristics, etc.).
Resumen de: US20260260889A1
0000 A secondary battery with an improved mechanical strength of an electrode active material layer includes a power generating element including an electrode including a current collector and an electrode active material layer disposed thereon, and a solid electrolyte layer containing a solid electrolyte. The secondary battery has a rectangular shape consisting of four sides in plan view, and is configured so that the electrode active material layer has a binder-oriented active material layer in which a fibrous binder is contained and the orientation rate of the fibrous binder for the direction parallel to one set of sides of the rectangular shape or the direction perpendicular to the set of sides is smaller than 45°.
Resumen de: US20260260962A1
The invention relates to a device for the thermal regulation of a vehicle battery pack, which includes: a housing including a circuit for circulating heat-transfer fluid, which housing is suitable for housing the pack, which pack includes at least two battery cells each having two large lateral faces, which cells are adjacent at one of their large lateral faces; a spacer installed between the cells and configured to contact the adjacent large lateral faces of the cells; the spacer includes: a perforated part situated opposite the large adjacent lateral faces and extending over most of the large faces; one or more ribs extending in the perforated part, the rib or ribs being arranged so as to form at least one forced-circulation circuit for the circulation of the heat-transfer fluid between the cells.
Resumen de: US20260257410A1
0000 Described herein is a multilayer microporous film or membrane that may exhibit improved properties, including improved dielectric break down and strength, compared to prior monolayer or tri-layer microporous membranes of the same thickness. The preferred multilayer microporous membrane comprises microlayers and one or more lamination barriers. Also disclosed is a battery separator or battery comprising one or more of the multilayer microporous films or membranes. The inventive battery and battery separator is preferably safer and more robust than batteries and battery separators using prior monolayer and tri-layer microporous membranes. Also, described herein is a method for making the multilayer microporous separators, membranes or films described herein.
Resumen de: US20260257327A1
0000 A high-strength lithium battery nail gun with a composite energy storage structure is provided, which includes a gun body (1) having a tail section provided with an energy storage structure. The energy storage structure includes a spring compressing mechanism (2) and a vacuum cylinder mechanism (3). The spring compressing mechanism (2) includes a compression cavity (21), a spring (22), a spring piston (23) and a working piston rod (24). The spring (22) and the spring piston (23) are mounted in the compression cavity (21). A front end of the spring piston (23) is connected to the working piston rod (24). The lower part of the working piston rod (24) is provided with an upper rack structure (241). The vacuum cylinder mechanism (3) includes a cylinder (31) and a cylinder piston (32). A completely sealed vacuum chamber (3a ) is formed by the cylinder piston (32) and a tail end part of the cylinder (31). The upper side of the vacuum cylinder piston rod (33) is provided with a lower rack structure (331). The lower rack structure (331) is in engaged transmission with the upper rack structure (241) through a transmission gear (5). Through the energy storage structure, the spring compressing mechanism (2) and the vacuum cylinder mechanism (3) are organically combined into a whole body, so that the energy storage strength can be multipled, and the axial and radial vibration at the end of nailing can be effectively reduced.
Nº publicación: US20260260902A1 03/09/2026
Solicitante:
BOARD OF REGENTS THE UNIV OF TEXAS SYSTEM [US]
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
Resumen de: US20260260902A1
Disclosed is an electrochemical cell comprising a conductive host material configured to sustain a plurality of plating/stripping cycles such that an active anode metal material is repeatedly plated and then stripped during the electrochemical cell operation and wherein the host material comprises a) a substrate; and b) a coating disposed on the substrate, where the coating comprises at least one chalcogen. Also disclosed are electrochemical cells comprising such templates and methods of making and using the same.
BOPI
Sede Electrónica
