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1718
resultados
Última actualización
03/10/2025 [07:23:00]
Resultados 800 a 825 de 1718
Resumen de: US2025296840A1
Systems and methods using a plasma source and molten sulfur produce a homogeneous mixture of reactants and powder product devoid of a carbon residue. The systems and methods are used to form materials for use in a solid-state electrochemical cell without using organic solvents, which may form a chemical residue or may carbonize during high-temperature heat treatment.
Resumen de: US2025296185A1
A power tool includes a housing, a motor positioned substantially within the housing, a drive mechanism supported by the housing and coupled to the motor, a battery pack electrically coupled to the motor, and an isolation system. The isolation system includes an interface member positioned substantially within the housing. The interface member receives a portion of the battery pack to electrically couple the battery pack to the motor. The isolation system also includes a plurality of isolators coupled between the housing and the interface member to isolate the battery pack from the housing during operation of the power tool.
Resumen de: US2025295167A1
The present disclosure relates to an aerosol delivery device. In some implementations, the aerosol delivery device may comprise a control device and a cartridge having a mouthpiece portion and a tank portion with respective proximal and distal ends, the tank portion being configured to contain a liquid composition, and the cartridge further including a liquid transport element and an atomizing member. At least a portion of the liquid transport element may be positioned proximate the atomizing member, and at least a portion of the atomizing member may be positioned proximate the distal end of the mouthpiece portion. In other implementations, at least a portion of the atomizing member may be positioned above the proximal end of the tank portion. In still other implementations, at least a portion of the atomizing member may be positioned between the proximal end of the tank portion and the distal end of the tank portion.
Resumen de: AU2023437151A1
A subterranean energy storage and retrieval system, having a wellbore; an energy storage cell placed in the wellbore; and an electrical connection attached to the energy storage cell to a surface of the wellbore. The energy storage system is managed and regulated by a power management system coupled to rechargeable power cells. A bypass circuit is utilized to remove specific energy storage cells from the circuit. Temperature regulation is managed geothermally through the energy storage housing.
Resumen de: WO2025194564A1
The present application relates to the technical field of battery materials, and discloses a lithium-rich manganese-based positive electrode material and a preparation method therefor, a positive electrode and a battery. The preparation method comprises: mixing and sintering a lithium source and a lithium-rich manganese-based precursor, with a ratio of the molar amount of lithium to the total molar amount of metals in the precursor being (1-1.05)+x:1, wherein the lithium-rich manganese-based precursor is at least one of MnxM1-x(OH)a, MnxM1-xOb and MnxM1-x(CO3)c, where 0.05≤x＜0.50; the lithium source is diffused to form lithium-rich Li2MnO3 during the sintering process, and the remaining metal M forms a high-ion-conductivity channel structure in an Mn-deficient state; and the metal M is selected from at least one of Ni, Co, Al, Ti, Mg, Zr, Nb, Cr, Fe, Se, Ru, Sb, Ir, Sn, Y, Sr, W, Mo and V. The preparation method is simple, and can prepare a positive electrode material with a good rate capability and a high charging and discharging rate.
Resumen de: WO2025194585A1
A composite current collector and a lithium ion battery, relating to the technical field of battery materials. The composite current collector comprises a modified high molecular polymer film, and a conductive layer and a protective layer that are stacked on at least one side surface of the modified high molecular polymer film; the modified high molecular polymer film comprises a high molecular polymer and a modified material; the modified material comprises a carbon nanotube-grafted carbon fiber material. According to the composite current collector, the high molecular polymer film having improved mechanical properties is prepared by compounding the high molecular polymer and the carbon nanotube-grafted carbon fiber material, and the high molecular polymer film and the conductive layer have excellent cohesiveness, so that the mechanical properties of the composite current collector are significantly improved, the defect rate of a product is reduced, and the popularization of the composite current collector at an application end is promoted.
Resumen de: WO2025194584A1
An electrode sheet of a battery. The electrode sheet comprises a metal layer (1), wherein an attenuated-transport layer (2) is provided at the edge of a first end of the metal layer (1); an active material layer (3) is provided on the surface of the attenuated-transport layer (2) away from the metal layer (1); and the resistivity of the attenuated-transport layer (2) is at least 1.1 to 2 times that of the active material layer (3). The attenuated-transport layer (2) disposed between the metal layer (1) and the active material layer (3) reduces the transport rate of electrons, suppresses the deintercalation rate of lithium ions, can solve safety problems such as lithium plating at the edge of the electrode sheet and excessive thickness at the head and tail of the electrode sheet, and ensures that lithium plating does not occur at the head and tail of the electrode sheet, thereby facilitating the improvement of the charging and discharging safety of a battery. In addition, further disclosed in the present invention are a preparation method for an electrode sheet, and a battery.
Resumen de: US2025300277A1
The power storage device includes a power storage module including a power storage cell, a cooler disposed above the power storage module, and a thermally insulating member. The power storage cell has a short side surface and a short side surface, a positive electrode terminal disposed on the short side surface, and a negative electrode terminal disposed on the short side surface. The thermally insulating member is provided below the cooler and above each of the positive electrode terminal and the negative electrode terminal.
Resumen de: US2025300263A1
A heat management system is configured to perform heat management of a vehicle using a heat medium. The heat management system includes: a first flow passage in which a reserve tank is not provided; a second flow passage in which a reserve tank is provided; a switching device configured to switch between coupling and uncoupling of the first flow passage and the second flow passage to and from each other; and a control device configured to control the switching device. The control device is configured to, when coupling conditions including that the vehicle is stationary are met, make the heat medium flow through the first flow passage and the second flow passage that have been coupled to each other by the switching device.
Resumen de: US2025300241A1
A rechargeable lithium battery and a rechargeable lithium battery including an electrolyte, the electrolyte for a rechargeable lithium battery including 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:
Resumen de: US2025300265A1
A thermal management system includes a first flow path through which a heat medium flows, a second flow path through which the heat medium flows, a reserve tank provided in the second flow path, a water pump that circulates the heat medium, and a switching device. The thermal management system executes an air removal process for the second flow path and the first flow path by connecting the second flow path and the first flow path with the switching device and driving the water pump in a case where a temperature of a heat-exchanged device is lower than a specified temperature in a state where the second flow path and the first flow path are disconnected.
Resumen de: US2025300240A1
An electrolyte for a rechargeable lithium battery, the electrolyte including a non-aqueous organic solvent, a lithium salt, and an additive; wherein the additive includes a first additive represented by Chemical Formula 1 and a second additive represented by Chemical Formula 2:
Resumen de: US2025300250A1
Provided is a method. The method includes obtaining first information about an energy storage device and second information about an operating environment of the energy storage device, determining an amount of charge or an amount of discharge of the energy storage device from the first information and the second information based on a reinforcement learning model, charging or discharging the energy storage device based on the determined amount of charge or the determined amount of discharge, in which the reinforcement learning model is trained based on a first objective function that considers a possible charge-discharge range according to a real-time state of charge (SOC) of the energy storage device.
Resumen de: US2025300239A1
A power system including at least a lithium-sulfur (Li—S) battery module or pack and a second battery module or pack, different than the Li—S module or pack in composition, structure, or configuration, wherein (i) at least one of the Li—S module or pack and the second battery module or pack includes a first set of multiple bipolar electrodes internally connected in series; and (ii) the at least a lithium-sulfur (Li—S) battery module or pack and the second battery module or pack are internally or externally connected in parallel to form a power source. The power source May be connected in parallel to a supercapacitor, a fuel cell, a high-power battery, etc. The power system may further contain a controller, a DC/DC converter and/or a high-voltage bus electrically communicating with the controller. The power system may be used to power a vehicle or other device.
Resumen de: US2025300251A1
A method of switching a battery cell configuration for a head-worn extended-reality headset is described. The method includes, in accordance with a determination that a battery of the head-worn extended-reality headset is in a first state, operating at least two cells of the battery in series using a first control switch to produce a first voltage and, in accordance with a determination that the battery of the head-worn extended-reality headset is in a second state, operating the at least two cells of the battery in parallel using a second control switch to produce a second voltage, wherein the first and second voltages are within an operating voltage of the electrical components of the head-worn extended-reality headset. Switching the configuration in which the battery cells operate increases voltage headroom and decreases power losses by increasing the voltage of the battery cells and decreasing the current drawn by the battery cells.
Resumen de: US2025300166A1
The present invention relates to a method for lithiation of an intercalation-based anode or a non-reactive plating-capable foil or a reactive alloy capable anode, whereby utilization of said lithiated intercalation-based anode or a plating-capable foil or reactive alloy capable anode in a rechargeable battery or electrochemical cell results in an increased amount of lithium available for cycling, and an improved reversible capacity during charge and discharge.
Resumen de: US2025300271A1
A battery assembly includes a housing having a plurality of side walls that collectively define an interior zone. A plurality of battery cells is arranged in the interior zone. A support assembly connected to the housing supports the plurality of battery cells. The support assembly includes a support plate, an external structural plate, and a channeled cooling plate arranged between the support plate and the external structural plate, and a plurality of channeled cooling plate inflation ports that extend through the support plate towards the channeled cooling plate. The plurality of channeled cooling plate inflation ports introducing an amount of fluid into the support assembly to expand one or more portions of the channeled cooling plate.
Resumen de: WO2025194457A1
A battery cell (100), a battery (1000), and an electric device (2000). The battery cell (100) comprises: a jelly roll (10), which comprises electrode sheets and separators (13) which are wound, wherein the jelly roll (10) has a winding gap (103) and comprises a straight portion (101) and bent portions (102) connected to the end portions of the straight portion (101), the electrode sheets include a first electrode sheet (11), the first electrode sheet (11) is provided with a first straight section (111) and a second straight section (112) which are located at the straight portion (101), and the first straight section (111) and the second straight section (112) are located on two opposite sides of the winding gap (103); and a buffer pad (20), which is arranged in the winding gap (103), wherein at least part of the buffer pad (20) is located between the first straight segment (111) and the second straight segment (112).
Resumen de: WO2025194456A1
A battery cell (20), comprising: a casing (21); an electrode assembly (22), wherein the electrode assembly (22) is arranged in the casing (21) and comprises a separator (221) and electrode sheets (222), the separator (221) and the electrode sheets (222) being stacked and wound, and a central space (22a) being formed at the center of the electrode assembly (22); and a buffer member (23), which comprises a buffer portion (231) and an extension portion (232), the buffer portion (231) being arranged in the central space (22a), and the extension portion (232) being located outside the central space (22a) and arranged between the casing (21) and the electrode assembly (22). By means of the configuration of the buffer member (23) comprising the buffer portion (231) and the extension portion (232), the probability of brittle fracture during hot pressing of a winding structure is reduced, and the probability of bur formation is thus reduced; in addition, the spacing between the electrode sheets at the innermost corner of the electrode assembly (22) is reduced, the probability of a large gap occurring between the electrode sheets (222) at the innermost corner of the electrode assembly (22) is reduced, and the probability of lithium plating is reduced. By using the extension portion (232) to separate the electrode assembly (22) from the casing (21), the probability of the electrode assembly (22) colliding with the casing (21) when assembled into the casing (21) is reduced, thereby impro
Resumen de: WO2025194454A1
A battery cell, a battery, an electrical apparatus, a processing method, and a processing device, belonging to the technical field of batteries. The battery cell comprises an electrode assembly and an elastic pad. The electrode assembly comprises an electrode sheet and a separator, arranged in a wound manner. The elastic pad is disposed at a winding center of the electrode assembly. The separator comprises a winding portion stacked on the electrode sheet, and an extension part connected to a starting end of the winding portion, the extension part being connected to the elastic pad.
Resumen de: WO2025194450A1
A secondary battery and an electronic device. Specifically, the secondary battery comprises a positive electrode, a negative electrode and an electrolyte; the positive electrode comprises a lithium cobalt oxide, a binder and an inorganic additive; the electrolyte comprises lithium difluorophosphate, a dinitrile compound and a trinitrile compound. The positive electrode resistance can be reduced, warping can be suppressed, and the safety and high-temperature storage characteristics of the secondary battery can also be improved.
Resumen de: US2025300234A1
A bipolar battery includes a positive electrode current collector, a positive electrode mixture layer, a separator, a negative electrode mixture layer, and a negative electrode current collector, which are layered one on another. The bipolar battery further includes a resin sealing layer that includes a low rigidity material layer which has a tensile modulus of elasticity of less than 35.0 kgf/mm2 and which is joined to the positive electrode current collector or the negative electrode current collector, and a high rigidity material layer which has a tensile modulus of elasticity of 35.0 kgf/mm2 or more and which is disposed on a face of the low rigidity material layer that is opposite from a face thereof that is joined to the positive electrode current collector or the negative electrode current collector.
Resumen de: US2025300164A1
A dry electrode, a manufacturing method thereof, and a manufacturing apparatus thereof are disclosed. The manufacturing method includes: mixing an electrode active material, a first binder, and a first conductive material to form a dry mixture; allowing the dry mixture to be filmed to form an electrode active material layer; forming a composite layer on the electrode active material layer; and laminating on an electrode current collector the electrode active material layer on which the composite layer is formed. The step of forming the composite layer includes: coating on the electrode active material layer an adhesive solution including a second binder, a second conductive material, and an organic solvent; and drying the adhesive solution.
Resumen de: US2025300236A1
A jelly roll includes an electrode assembly having a structure in which a positive electrode, a separator, and a negative electrode are stacked and wound; and a tubing provided to surround at least a portion of a side surface of the electrode assembly and at least a portion of an end portion perpendicular to a winding axis of the electrode assembly. The tubing is provided to include a hole formed in a central portion of one end portion perpendicular to the winding axis of the electrode assembly, a secondary battery including the jelly roll, a battery pack, and a vehicle.
Nº publicación: US2025300210A1 25/09/2025
Solicitante:
SK ON CO LTD [KR]
SK ON CO., LTD
Resumen de: US2025300210A1
The electrode transfer apparatus according to an exemplary embodiment of the present disclosure may include: an electrode magazine configured to load electrodes; an alignment table positioned with a gap from the electrode magazine; a first transfer unit configured to reciprocate between the electrode magazine and the alignment table, and adsorb and transfer the electrode; a multi-sheet detection unit configured to detect whether an electrode placed on the alignment table is a multi-sheet electrode; a lower adsorption unit mounted on the alignment table and configured to adsorb the electrode from below; and a controller configured to control activation/deactivation (on/off) of the adsorption force of the first transfer unit based on detection results from the multi-sheet detection unit.
BOPI
Sede Electrónica
