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1110
resultados
Última actualización
01/09/2024 [07:42:00]
Resultados 150 a 175 de 1110
Resumen de: WO2024177328A1
A doctor blade, according to an embodiment of the present invention, comprises: a first blade having a first tip comprising an inclined flat surface; and a second blade having a second tip comprising a curved surface, wherein the first blade and the second blade are in contact with each other, can integrally move toward a traveling electrode on which an active material has been provided on a current collector, or can move in the opposite direction, or can individually move.
Resumen de: WO2024177327A1
A method for forming patterns on a traveling electrode by providing an active material on a current collector, according to an embodiment of the present invention, comprises the steps of: (A) moving a doctor blade to a traveling electrode so that the tip of the doctor blade faces a current collector; (B) maintaining a state in which the doctor blade has been moved to the traveling electrode for a first predetermined period; and (C) moving the doctor blade in the opposite direction from the electrode.
Resumen de: WO2024174466A1
A battery box cooling, explosion prevention and battery swapping system consisting of annular batteries and a chiller. An annular battery cell and coolant exchanger combination provided in an electric vehicle battery box is characterized by explosion prevention, cooling and heat dissipation and easy replacement. A thermal expansion and cold contraction prevention exhaust port is provided in the top of a battery casing of an annular battery cell; a third nut is provided above the thermal expansion and cold contraction prevention exhaust port and a pressure relief air cylinder is screwed onto the third nut, so that an annular battery cell explosion prevention device is formed. The annular battery cell and coolant exchanger combination enables heat dissipation for a hollow part of the annular battery cell. The system can rapidly cool and heat battery packs, and can quickly disassemble batteries inside the battery packs without the need to completely discard the entire battery packs, thereby greatly reducing electric vehicle battery costs.
Resumen de: WO2024174057A1
The present application relates to a non-aqueous electrolyte, comprising at least one additive of general formula I and Na and/or K ions. Use of the non-aqueous electrolyte in the preparation of a lithium secondary battery can prolong the cycle life of the lithium secondary battery at a high temperature and reduce the battery volume expansion rate of the lithium secondary battery after long-term storage at a high temperature, so as to increase the capacity retention rate of the lithium secondary battery after long-term storage at a high temperature. The present application further relates to a lithium secondary battery comprising the non-aqueous electrolyte and an electrical device comprising the lithium secondary battery.
Resumen de: WO2024174552A1
Provided in the present application are a liquid cooling system and a battery pack. The liquid cooling system comprises a plurality of combined liquid cooling modules, a liquid intake pipeline assembly and a liquid output pipeline assembly, wherein each combined liquid cooling module comprises a plurality of liquid cooling units which are arranged in a stacked manner; the liquid intake pipeline assembly comprises a plurality of liquid intake pipe main lines which are connected in series, and the plurality of liquid cooling units are respectively in communication with the corresponding liquid intake pipe main lines; and the liquid output pipeline assembly comprises a plurality of liquid output pipe main lines which are connected in series, and the plurality of liquid cooling units are respectively in communication with the corresponding liquid output pipe main lines.
Resumen de: WO2024174093A1
The present application provides a separator, a preparation method therefor, and a secondary battery and a powered device related thereto. The separator comprises a porous substrate and a coating arranged on at least one surface of the porous substrate, the coating comprises a three-dimensional framework structure and organosilicon particles, and the three-dimensional framework structure is filled with at least a part of the organosilicon particles.
Resumen de: US2024288025A1
An insert nut insertion structure includes an insert nut having a bolt fastening portion having threads on an inner circumference into which a bolt is configured to be screwed, and a flange portion on an outer circumference of the bolt fastening portion and extended in a circumferential direction of the bolt fastening portion; and a nut fixing groove into which the insert nut is inserted in a direction perpendicular to a direction in which the bolt is screwed. The nut fixing groove includes a flange receiving portion having an internal space conforming to a shape of the flange portion with the flange portion disposed in the flange receiving portion; and a pair of fingers having a cantilever shape that surrounds, in part, a periphery of the bolt fastening portion.
Resumen de: US2024288178A1
A thermoelectric battery system includes a heat pump configured to generate heat. A buffer tank is thermally coupled to the heat pump and configured to store the generated heat in boiler water. A thermal battery is thermally coupled to the buffer tank. The thermal battery provides at least one of hot water for domestic use, hydro-heating, or hydro-cooling. The first thermal battery includes: an inner tank configured to contain a portion of boiler water and an outer tank containing a phase change material. The outer tank surrounds the inner tank and is separated therefrom by a thermally conductive wall. The outer tank is configured to supply heat to the inner tank. A heat exchanger disposed in the inner tank is configured to heat potable water flowing therethrough to enable potable water to be heated by boiler water to produce domestic hot water.
Resumen de: US2024287647A1
The present disclosure relates to a system for recovering valuable materials from a crucible used in the production of a positive electrode active material. The system includes: a crucible input unit provided such that used positive electrode firing crucibles containing positive electrode material residue and lithium; steam injection unit defining a chamber and configured to inject high-pressure to inside and outside of the crucibles to separately collect slurry; a solid-liquid separation unit configured to separate the slurry into solid and liquid, to discharge waste positive electrode material residue, and to separately collect a low-concentration lithium liquid phase; a lithium concentration unit configured to recover a high-concentration lithium liquid phase and to separately discharge steam; and a steam supply unit configured to collect and reheat the discharged steam to a target temperature, and to supply high-pressure steam to the steam injection unit.
Resumen de: US2024287648A1
A method for extracting lithium metal ions from glass includes contacting the glass with a molten salt bath for a duration of time, wherein the glass includes lithium and the contacting the glass with the molten salt bath for the duration of time extracts at least 40% of the lithium metal ions from the glass. The method further includes removing residual solids from the molten salt bath, wherein the residual solids include residual glass having a reduced concentration of lithium. The method further includes precipitating lithium metal ions from the molten salt bath to produce a solid precipitated lithium salt and separating the precipitated lithium salt from the molten salt bath.
Resumen de: WO2024177333A1
The objective of the present invention is to provide: a sulfide-based solid electrolyte having improved ionic conductivity; a method for preparing the sulfide-based solid electrolyte; and an all-solid-state battery including the sulfide-based solid electrolyte. The present invention provides a sulfide-based solid electrolyte containing a Group 13 element and having an argyrodite-type crystal structure, the sulfide-based solid electrolyte being represented by chemical formula Li7-x-2yMyPS6-xHax, where M is at least one element selected from the Group 13 elements, Ha is at least one element selected from the halogen elements and comprises Br, 0＜x＜2.5, and 0＜y＜0.2.
Resumen de: WO2024177351A1
The present invention relates to a lithium metal secondary battery comprising an electrolyte-swellable polymer thin film that inhibits the high reactivity of lithium metal, the formation of lithium dendrites and dead lithium by forming a special polymer film capable of swelling in a liquid electrolyte, to increase the cycle life of lithium metal symmetrical batteries and secondary batteries.
Resumen de: WO2024177344A1
The present invention relates to a battery pack comprising a pack frame, and a plurality of battery modules arranged to be spaced apart from each other in the width direction inside the pack frame, wherein the pack frame includes: a bottom plate; a side plate; a cavity part which is provided inside the bottom plate and in which a coolant is filled and stored without empty space; and an outlet by which the inside of the cavity part communicates with the outside of the pack frame.
Resumen de: WO2024177133A1
The present invention relates to manganese dioxide suitable as a raw material of an electrode material for a polyvalent metal ion secondary battery. The manganese dioxide according to the present invention has an α-type crystal structure. Ammonium ions are incorporated in the α-type crystal structure. The manganese dioxide according to the present invention has an average crystallite size of at most 5.0 nm, as measured using the Halder-Wagner method based on X-ray diffraction, and a BET specific surface area of at least 100 m2/g.
Resumen de: US2024291025A1
In a method of recovering a sulfide solid electrolyte, the sulfide solid electrolyte includes lithium, phosphorus, sulfur, and an M element, the M element includes at least one element selected from a group consisting of germanium, tin, and silicon, and the sulfide solid electrolyte is heated at a temperature of 100° C. or more under an environment with a dew point temperature of −70° C. or less.
Resumen de: US2024291013A1
The present invention relates to a pouch-type battery cell, a device for bending a pouch wing in the battery cell, and a method for bending a pouch wing in the battery cell, and specifically, relates to a pouch-type battery cell capable of improving insulation resistance performance of the battery cell by bending a pouch wing while heat-treating a sealing part of the pouch wing in the battery cell, thereby preventing and removing cracks in the sealing part, a device for bending a pouch wing in the battery cell, and a method for bending a pouch wing in the battery cell.
Resumen de: US2024291018A1
The present disclosure provides a lithium secondary battery comprising a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, a separator disposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte solution, wherein the positive electrode active material includes a core including a lithium cobalt-based oxide represented by Formula 1; and a shell including a lithium cobalt-based oxide represented by Formula 2 which is disposed on a surface of the core, and the non-aqueous electrolyte solution may include a lithium salt, an organic solvent, lithium difluorophosphate, and a dinitrile-based compound represented by Formula 3:wherein all the variables are described herein.
Resumen de: US2024291022A1
A composite electrolyte membrane, comprises: a lithium salt compound, a polymer material, a solid electrolyte, and a plasticizer. The polymer material comprises polyvinylidene fluoride and polymethyl methacrylate. The present disclosure further discloses a lithium-sulfur battery using the composite electrolyte membrane. A method for preparing the composite electrolyte membrane is further provided.
Resumen de: US2024290947A1
A process for producing a solid powder mass of multiple individual Si-containing porous particulates, comprising (a) providing a solid powder mass comprising multiple porous host particles having a volume fraction of pores from 5% to 99.9%, wherein the porous host particles are selected from carbonaceous, graphitic, graphene, or metallic particles; (b) introducing a reactive liquid or solution into pores of the porous particles wherein the reactive liquid or solution comprises silane-type species selected from cyclohexasilane, hexasilane, cyclopentasilane, neo-pentasilane, tectrasilane, trisilane, disilane, monosilane, a chemical derivative thereof, or a combination thereof; and (c) exposing the silane-type species to heat, ultra-violet light, laser beam, high-energy radiation (e.g., Gamma radiation, X-ray, electron beam), or a combination thereof to chemically convert the silane-type species into Si particles residing in the pores or Si coating deposited on pore walls to obtain the solid powder mass of separate multiple Si-containing porous particulates.
Resumen de: US2024290985A1
A nonaqueous electrolyte energy storage device according to one aspect of the present invention is a nonaqueous electrolyte energy storage device including: a positive electrode containing lithium iron phosphate; a negative electrode containing at least one of graphite and non-graphitic carbon and carbon black; and a nonaqueous electrolyte containing a lithium salt, in which a concentration of the lithium salt in the nonaqueous electrolyte is 0.7 mol/dm3 or less.
Resumen de: US2024290939A1
A method of manufacturing a battery includes the steps of: weighing a plurality of electrode materials to respective predetermined weights and placing the plurality of electrode materials into a container; placing the plurality of electrode materials having been placed in the container into a feeder machine; feeding the plurality of electrode materials from the feeder machine to a twin-screw kneader; and kneading the plurality of electrode materials with the twin-screw kneader.
Resumen de: US2024291012A1
A secondary battery is provided for cycling between a charged and a discharged state, the secondary battery including a battery enclosure, an electrode assembly, carrier ions, a non-aqueous liquid electrolyte within the battery enclosure, and a set of electrode constraints. The set of electrode constraints includes a primary constraint system having first and second primary growth constraints and at least one primary connecting member, the first and second primary growth constraints separated from each other in the longitudinal direction, wherein the primary constraint array restrains growth of the electrode assembly in the longitudinal direction such that any increase in the Feret diameter of the electrode assembly in the longitudinal direction over 20 consecutive cycles of the secondary battery is less than 20%. The set of electrode constraints further includes a secondary constraint system having first and second secondary growth constraints connected by at least one secondary connecting member, wherein the secondary constraint system at least partially restrains growth of the electrode assembly in a second direction upon cycling of the secondary battery.
Resumen de: US2024291038A1
According to the present disclosure, an electrolyte solution for a lithium secondary battery and a lithium secondary battery including the electrolyte solution are provided. The electrolyte solution for a lithium secondary battery includes a lithium salt, an organic solvent including a linear carbonate-based compound represented by Chemical Formula 1, a linear ester-based compound represented by Chemical Formula 2, and a compound represented by Chemical Formula 3.
Resumen de: US2024291024A1
Provided is a method of producing a composite solid electrolyte. The method includes step S10 of producing an oxide-based solid electrolyte membrane by electrospinning a mixture including an oxide-based solid electrolyte precursor and a polymer, step S20 of producing an oxide-based solid electrolyte support by removing the polymer inside the oxide-based solid electrolyte membrane, and step S30 of causing the oxide-based solid electrolyte support to be impregnated with a sulfide-based solid electrolyte using a sulfide-based solid electrolyte precursor solution including a sulfide-based solid electrolyte precursor and a solvent.
Nº publicación: US2024291015A1 29/08/2024
Solicitante:
PANASONIC ENERGY CO LTD [JP]
PANASONIC ENERGY CO., LTD
Resumen de: US2024291015A1
A non-aqueous electrolyte secondary battery includes an electrode body in which a positive electrode and a negative electrode face each other across a separator. The positive electrode includes a positive electrode composite material layer containing a binder, and the negative electrode includes a negative electrode composite material layer containing a binder. The non-aqueous electrolyte secondary battery is characterized in that, in a case of use thereof in a fixed state, and the electrode body is equally divided into two of an upper half region and a lower half region with respect to a vertical direction in this fixed state, a swelling degree with an electrolyte is higher for the binder disposed in the upper half region than a swelling degree with the electrolyte for the binder disposed in the lower half region, in at least one of the positive electrode and the negative electrode.
BOPI
Sede Electrónica
