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593
resultados
Última actualización
26/08/2026 [07:22:00]
Resultados 275 a 300 de 593
Resumen de: US20260245956A1
The present disclosure relates to a positive electrode for an all-solid-state battery that can improve the performance of the battery by physically optimizing the properties of the positive electrode that directly affect the lifetime and capacity expression of the battery, and an all-solid-state battery comprising same. The positive electrode for an all-solid-state battery comprises a positive electrode active material, a solid electrolyte and a binder, wherein the positive electrode active material is included in the positive electrode more than 70% by weight.
Resumen de: WO2026171578A1
Method (200) for post-treatment of a deposited solid electrolyte separator layer (102), wherein the solid electrolyte separator layer (102) is applied to a current collector (101) made of metal or metallized polymer film and exhibits mechanical stresses as well as crystallite stresses, the method comprising: heating (202) the solid electrolyte separator layer (102) by light absorption to a predetermined temperature above a material-dependent temperature threshold, whereby the mechanical stresses in the solid electrolyte separator layer (102) are reduced.
Resumen de: WO2026171295A1
The disclosure relates to an electrical energy store (1) for an electric vehicle having: a plurality of storage cells (2); an electronics unit for monitoring and controlling the storage cells (2); at least one switching element (6) which is electrically connected to the electronics unit and/or to the plurality of storage cells (2); at least one plug (4) for electrically and mechanically connecting the switching element (6) to the electronics unit and/or to the storage cells (2); and a cover cap (8) for covering the at least one plug (4) in order to protect it from the penetration of fluid, in particular structural foam.
Resumen de: WO2026173407A1
A secondary battery according to an aspect of the present invention comprises: a case; an electrode assembly which is accommodated in the case; a vent hole which is formed in the lower side of the case; separation members which protrude from the lower side to separate the electrode assembly from the vent hole; venting flow paths which are arranged on the sides of the separation members on the lower side; and a cap assembly which seals the case, wherein gas in the case is guided along the venting flow paths by the separation members and is discharged via the vent hole.
Resumen de: US20260245915A1
0000 A sodium-ion battery cell, a secondary battery, and an electric device are provided. The sodium-ion battery cell includes a cylindrical casing defining an accommodating cavity and an electrode assembly disposed within the accommodating cavity. The electrode assembly includes a negative electrode sheet comprising a negative electrode current collector and a negative electrode active layer disposed on at least one surface of the negative electrode current collector. The negative electrode current collector has a density less than or equal to 5.0 g/cm<3>. A group margin of the sodium-ion battery cell satisfies 0.95≤group margin<1, where the group margin is a ratio of a diameter of the electrode assembly to a diameter of the accommodating cavity.
Resumen de: WO2026171225A1
The present application relates to the technical field of batteries. Disclosed are an electrode plate and a battery. The electrode plate comprises: an electrode plate body, wherein in the direction of thickness of the electrode plate body, a corner of the electrode plate body is cut to form a recess, and a corner line is formed at the corner of the electrode plate body, the corner line comprising at least one rounded corner structure, and the radius of the rounded corner structure ranging from 0.3 mm to 10 mm. In the present application, the corner of the electrode plate body is cut, so as to remove a right angle at the corner of the electrode plate body, and form the corner line having the rounded corner structure at the corner of the electrode plate body, such that the corner line is relatively gentle and smooth, thereby avoiding puncturing of a separator, avoiding short circuits, and ensuring the safety performance of the battery during stacking and hot pressing.
Resumen de: US20260241410A1
A slot die coater includes a die block including a first block with a manifold accommodating a coating liquid, a second block on the first block, and a coater shim between the first block and the second block. The coater shim includes a master shim including a first guide plate and a second guide plate spaced apart from each other in a first direction with the manifold therebetween. The manifold is not covered with the first guide plate and the second guide plate. A first auxiliary shim is provided on one side of the first guide plate and includes a first inner region overlapping a first edge portion of the manifold. A second auxiliary shim is provided on one side of the second guide plate and includes a second inner region overlapping a second edge portion of the manifold.
Resumen de: US20260242231A1
0000 The present application provides a lithium fluoride, a preparation method therefor and use thereof, where a mass content of carbonate in the lithium fluoride is less than or equal to 1000 mg/kg; a D10 of the lithium fluoride is less than or equal to 10 μm, a D50 is less than or equal to 20 μm, and a bulk density ranges from 0.9 g/cm<3 >to 1.2 g/cm<3>.
Resumen de: US20260245861A1
0000 The electrode plate laminating apparatus includes: a first laminating roller assembly, including a first laminating roller and a second laminating roller. The first laminating roller and the second laminating roller face each other. The first laminating roller and the second laminating roller are configured to sequentially stack and laminate a first separator, a first electrode plate, and a second separator; and a side separator laminating assembly, configured to laminate a portion of the first separator extending beyond a side edge of the first electrode plate with a portion of the second separator extending beyond the side edge of the first electrode plate. Embodiments solve the problem of overlapping of a first electrode plate and a second electrode plate caused by separator folding during a winding process of a first separator, the first electrode plate, a second separator, and the second electrode plate for preparing a bare cell.
Resumen de: US20260242171A1
A winding mechanism and a winding device. The winding mechanism includes at least two sets of unwinding mechanisms and a first clamping assembly. The unwinding mechanism is configured to unwind and convey an electrode sheet and is capable of independently conveying the electrode sheet, and the unwinding mechanism includes an electrode sheet starting end and an electrode sheet free end. The first clamping assembly is configured to enable the electrode sheet free end of any of the unwinding mechanisms to be conveyed to a next process. Each set of unwinding mechanism of the winding mechanism is capable of operating independently, and the electrode sheet free end of each unwinding mechanism is conveyed to a next process through the first clamping assembly.
Resumen de: WO2026171310A1
Method for producing an electrical connection device (1) for a high-voltage storage unit, in particular a high-voltage storage unit for a motor vehicle, wherein the electrical connection device (1) has at least one contact region (2) for connecting the connection device (1) to at least one electrical terminal, at which contact region a fuse region (4) is arranged or formed, by means of which the contact region (2) is electrically connected to the at least one electrical terminal, wherein a carrier device (5) having a separating agent (6) is arranged at least in sections on the fuse region (4).
Resumen de: WO2026171722A1
The present invention refers to a nonwoven mat for thermal insulation and protection from fire, a method for the preparation of said nonwoven mat, a partition member, a battery housing and a battery pack; and to the use of the nonwoven mat, the partition member and the battery housing for thermal insulation and protection from fire.
Resumen de: US20260245880A1
0000 A positive electrode material is presented for a rechargeable electrochemical cell that comprises a negative electrode, a positive electrode, and an electrolyte. The positive electrode material comprises a compound with the general formula ζ-A
Resumen de: US20260241592A1
0000 An electrode processing device includes an electrode cutting unit including a first cutter that cuts an electrode; and a deburring unit including a second cutter that cuts a burr protruding from the cut electrode cutting surface in a cutting direction of the first cutter. Also provided is an electrode assembly including an electrode and a separator, where at least one of the electrode and the separator is stacked and wound. The electrode includes a current collector and an electrode active material coated on an inner surface and an outer surface of the current collector. The electrode active material located on an outer surface of an end of the electrode has a higher density than an adjacent region.
Resumen de: US20260245912A1
Provided is a sodium-ion battery, comprising a non-aqueous electrolyte, a positive electrode, and a negative electrode. The non-aqueous electrolyte includes an additive comprising a sodium salt additive. The positive electrode includes a positive electrode active substance layer containing a sodium-supplementing additive and a positive electrode active material. The sodium-supplementing additive is a sodium-rich transition metal oxide. The negative electrode includes a negative electrode active material. The sodium-ion battery satisfies the following relationship: 0.3≤a/(b+c)≤1.5, 5≤a≤10, 1≤b≤10, and 2≤c≤12. A total mass of the sodium-supplementing additive and the positive electrode active material is 100%, a represents a mass content of the sodium-supplementing additive, in %; b represents a mass content of the sodium salt additive in the non-aqueous electrolyte, in %; c represents a particle size of the negative electrode active material, in μm. The sodium-ion battery reduces the internal resistance of the battery and improves initial coulombic efficiency and cycle performance.
Resumen de: US20260241441A1
0000 A method for producing a steel strip for a battery case is provided. The steel strip for a battery case includes the following chemical composition in percentage by mass: carbon: 0.003-0.006%, silicon: ≤0.03%, manganese: 0.35-0.45%, titanium: 0.040-0.050%, aluminum: 0.040-0.060%, phosphorus: ≤0.020%, sulfur: ≤0.012%, nitrogen: ≤0.0040%, and the balance of iron and other inevitable impurities, wherein 7>Ti/(C+N)>5. The process flow of the production is as follows: hot metal pretreatment→converter smelting→LF refining→RH treatment→continuous pouring→hot rolling→acid pickling→cold rolling→continuous annealing→finishing. By means of designing the chemical composition, the Δr value of strip steel is reduced, and the isotropy and processability of the strip steel are improved; and by means of the process, precise control over steel composition and effective control over the amount and size of inclusions in the steel are achieved, the amount of inclusions in a shallow surface layer of a slab is reduced, the peeling depth is reduced or peeling is avoided, and the yield is increased.
Resumen de: US20260246123A1
A battery module includes a cell stack including a plurality of a battery cell, a module case at least partially accommodating the cell stack, and a cooling unit disposed at one side of the cell stack. The battery cell includes a cell case, an electrode assembly and an electrolyte accommodated in the cell case, and an electrolyte storage unit inserted into the cell case to supply a supplementary electrolyte. The electrolyte storage unit is disposed between the electrode assembly and the cooling unit in a cross-sectional view.
Resumen de: US20260245884A1
0000 A nickel-free and cobalt-free cathode material for a lithium (Li) battery is provided. The cathode material includes, LiAl<1-x-y-z>Fe
Resumen de: US20260246110A1
0000 A method for manufacturing a cylindrical secondary battery including a jelly roll-type electrode assembly, in which an electrode and a separator are wound, ; includes placing a current collector, in which a through-hole is formed, on an end of a jelly roll-type electrode assembly in a direction of a winding center axis, and welding and bonding the jelly roll-type electrode assembly to the current collector. The jelly roll-type electrode assembly and an edge of the current collector through-hole are welded in a circumferential direction. Precision of a welding process position are improved when there is no welding defect, a wide area is contacted with lower energy compared to an existing secondary battery, and low resistance is generated to maximize not only welding processibility.
Resumen de: US20260242225A1
0000 The present invention relates to a carbon nanotube dispersion exhibiting low viscosity and little change in viscosity over time, which includes carbon nanotubes, a dispersant, and a dispersion medium, wherein the dispersant contains a first dispersant and a second dispersant in a weight ratio of 100:10 to 90, the first dispersant is a dispersant containing an N atom, the second dispersant is a compound containing a sulfonic group, a hydroxyl group, and an aromatic ring in a molecular structure, and the carbon nanotubes and the dispersant are present in a weight ratio of 100:25 to 500.
Resumen de: US20260245995A1
0000 A measuring apparatus for a secondary battery includes a sensing unit configured to measures an object, and a housing configured to houses the object therein, and defining an opening so that the object can be detected by the sensing unit, wherein the sensing unit is disposed outside the housing to reduce or prevent foreign matters inside the housing from being transferred to the sensing unit.
Resumen de: US20260242972A1
A surface-treated steel sheet according to one aspect of the present invention is a surface-treated steel sheet including: a base steel sheet; a Ni-containing layer disposed on a surface of the base steel sheet; and a Ni—W alloy layer disposed on a surface of the Ni-containing layer, wherein the Ni-containing layer includes an Fe-diffused alloy layer, and the surface-treated steel sheet includes a W depletion layer in a range from a surface of the Ni—W alloy layer to a depth of 10 nm. In a method for manufacturing a surface-treated steel sheet according to another aspect of the present invention, an atmospheric dew point in annealing is set to −25 to 5° C., a soaking time in the annealing is set to 10 to 180 seconds, and a maximum temperature in the annealing is set to 630 to 860° C.
Resumen de: US20260246088A1
0000 A separator for an alkaline dry battery is disposed between a positive electrode and a negative electrode containing zinc in the alkaline dry battery which includes the positive electrode, the negative electrode, and an electrolytic solution. The separator includes a sulfate salt within a range of 0.08 mg or more and 1.7 mg or less in terms of sulfate ions per 1 cm<2 >of a facing area of the positive electrode and the negative electrode.
Resumen de: US20260246029A1
0000 A forming method for a battery housing structure includes: providing a flat plate, wherein four notch grooves are formed on the flat plate, each notch groove having a groove opening facing outward; folding a periphery of the flat plate outward to form a flange; respectively bending two ends of the flat plate outward to form two housing side plates, and completely closing the notch grooves by welding to form weld seams; forming a U-shaped housing, where a U-shaped cavity opening is defined by the flange; and providing a top cover including a U-shaped cover plate, placing the cover plate into an accommodating cavity through the cavity opening to close the cavity opening, where the cover plate is held between the two housing side plates.
Nº publicación: US20260240256A1 20/08/2026
Solicitante:
SHENZHEN HUABAO COLLABORATIVE INNOVATION TECHNOLOGY RESEARCH INST CO LTD [CN]
SHENZHEN HUABAO COLLABORATIVE INNOVATION TECHNOLOGY RESEARCH INSTITUTE CO., LTD
Resumen de: US20260240256A1
An aerosol generation system and a heating control method thereof is provided. The method comprises: detecting an initial temperature of a heating module; acquiring a first pre-stored parameter according to the initial temperature, and acquiring a second pre-stored parameter according to a preset heat preservation duration; acquiring a first temperature according to the first pre-stored parameter and a preset expected temperature; acquiring a second temperature according to the first temperature and the second pre-stored parameter; and controlling the heating module to work, and controlling the temperature of the heating module to gradually decrease when the temperature of the heating module reaches the first temperature, enabling the temperature of the heating module to reach the second temperature after the heat preservation duration. Controlling the heating module can prevent temperature change hysteresis, maintaining a consistent air temperature at the end of cigarette body, thereby enhancing the taste when inhaled by the user.
BOPI
Sede Electrónica
