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1198
resultados
Última actualización
20/08/2025 [07:27:00]
Resultados 225 a 250 de 1198
Resumen de: US2025260071A1
A power storage module includes a first active material layer and a second active material layer, a separator disposed between the first active material layer and the second active material layer, and a gas discharge restricting portion. The second active material layer includes a main surface positioned toward the first active material layer. The main surface includes an opposite region that is opposite the first active material layer. The gas discharge restricting portion is provided on the main surface and is provided in a position being outside the opposite region and adjoining the opposite region.
Resumen de: US2025260067A1
A method of manufacturing a solid-state secondary battery according to one embodiment of the present invention includes a first joining step of press-joining a positive electrode active material layer and a solid electrolyte layer to obtain a positive electrode layer-solid electrolyte layer assembly, a second joining step of press-joining the solid electrolyte layer and an intermediate layer in the positive electrode layer-solid electrolyte layer assembly to obtain a positive electrode layer-solid electrolyte layer-intermediate layer assembly, a densifying step of press-molding the positive electrode layer-solid electrolyte layer-intermediate layer assembly in a thickness direction so that a porosity of each of the positive electrode active material layer and the solid electrolyte layer is 5% or less, and a third joining step of press-joining the intermediate layer in the positive electrode layer-solid electrolyte layer-intermediate layer assembly, and the negative electrode layer to obtain an electrode laminate.
Resumen de: US2025260089A1
A battery housing for an electric vehicle battery includes a housing wall comprised of a plastic. The battery housing comprises a fluid conduit for a temperature-regulating means. The fluid conduit is at least partially embedded in the housing wall.
Resumen de: US2025260092A1
A cooling assembly for a battery system includes an inlet system. The inlet system includes an inlet manifold, an inlet connecting tube, a first inlet connecting member defining a first surface and at least one first inlet fluid port, and a second inlet connecting member defining at least one second inlet fluid port in fluid communication with the at least one first inlet fluid port of the first inlet connecting member. The cooling assembly also includes an outlet system in fluid communication with the inlet system. The outlet system includes an outlet manifold, a first outlet connecting member defining at least one first outlet fluid port, an outlet connecting tube, and a second outlet connecting member defining at least one second outlet fluid port.
Resumen de: US2025260063A1
The disclosure aims to provide an electrolytic solution with which an electrochemical device exhibiting excellent battery characteristics even with a negative electrode containing an alkali metal-containing material can be obtained. Provided is an electrolytic solution which is for use in a battery including a negative electrode containing an alkali metal-containing material, the electrolytic solution containing a solvent, the solvent including a compound (1) represented by the following formula (1):wherein R101 and R102 are each independently a C1-C3 non-fluorinated alkyl group, R103 to R106 are each independently a hydrogen atom or a halogen atom, and at least one selected from R103 to R106 is a halogen atom.
Resumen de: US2025260003A1
The coated active material includes an electrode active material and a coating layer covering the electrode active material, wherein the coating layer includes an oxide solid electrolyte containing a Li element, a P element, and an O element, and a particle size (D50) of the coated active material is 5.5 μm or less.
Resumen de: US2025259989A1
An anode for a lithium secondary battery according to embodiments of the present disclosure includes an anode current collector, and an anode active material layer which is disposed on at least one surface of the anode current collector, includes a silicon-based active material, and has a Li/Si ratio of 0.03 to 0.06.
Resumen de: US2025260081A1
A thermal management system for battery, a battery, and an electric apparatus are provided, where the thermal management system includes a thermal management system body and a monitoring tube. The thermal management system body includes a medium pipe for circulating a heat exchange medium, where the medium pipe is provided with an inlet end and an outlet end, and the detachable monitoring tube is disposed on at least one of the inlet end and the outlet end.
Resumen de: US2025260053A1
Provided is a non-aqueous electrolyte including a lithium salt, an organic solvent, a compound represented by Formula 1 as a first additive, and a compound represented by Formula 2 as a second additive:wherein in Formulae 1 and 2, all the variables are described herein.
Resumen de: US2025257277A1
Processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Pyrolysis in the presence of an inert gas is employed to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu/lb, 13,000 Btu/lb, 14,000 Btu/lb, or 14,500 Btu/lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and/or strength that derive from the feedstock, heat rate, and additives.
Resumen de: US2025257228A1
An aspect of the present disclosure relates to a dispersant composition for an electrode of a power storage device. The dispersant composition contains an acrylic polymer (A), an amine compound (B) with a boiling point of 200° C. or less, and an organic solvent (C). The acrylic polymer (A) contains a constitutional unit a represented by the following formula (1). The compound (B) is at least one amine compound selected from the group consisting of a secondary aliphatic amine, a tertiary aliphatic amine, an aromatic amine, and a heterocyclic amine.
Resumen de: US2025256976A1
Provided are a method for preparing a lithium carbonate, a lithium carbonate prepared using the same, and a rechargeable lithium battery including a positive electrode active material prepared using the same, and more particularly, to a method for preparing a lithium carbonate, including mixing a lithium nickel-based composite oxide and a coating solution to form a first mixture where the coating solution includes a coating raw material, a precipitant, and a solvent, filtering the first mixture to recover a washing solution containing at least 1000 ppm of lithium, filtering the washing solution, mixing and heating the filtered washing solution and sodium carbonate to form a second mixture, and filtering, washing, and drying the second mixture, wherein the heating is performed at a temperature of about 50° C. to about 80° C.
Resumen de: US2025256966A1
The present invention is directed to method for producing a carbon material having a sulfur content of less than 0.8 wt %, a BET specific surface area of less than 20 m2/g and an average crystallite size in the direction of the c axis (Lc) of less than 10 Å, as determined using X-ray diffraction. The method comprises the steps of providing a biobased carbon precursor, having a sulfur content in the range of from 1.0 to 5.0 wt %; subjecting the biobased carbon precursor to heat treatment in an inert atmosphere to obtain a carbon material; and subjecting the carbon material to a de-sulfurization treatment in an inert atmosphere comprising a hydrogen gas and/or at least one carbon-containing gas, so as to remove sulfur from the carbon material and obtain a carbon material having a sulfur content of less than 0.8 wt %.
Resumen de: US2025260144A1
An electrode assembly comprises a positive electrode plate, a negative electrode plate, and a separator, where the separator is disposed between the positive electrode plate and the negative electrode plate; the expansion layer is disposed between the positive electrode plate and the negative electrode plate, and the expansion layer is used for expansion in response to a preset condition to cut off an electrical connection between the positive electrode plate and the negative electrode plate.
Resumen de: US2025260248A1
Systems, methods, and articles for a portable power case are disclosed. The portable power case is comprised of at least one battery and at least one PCB. The portable power case has at least two access ports, at least two leads, or at least one access port and at least one lead and at least one USB port. The portable power case is operable to supply power to an amplifier, a radio, a wearable battery, a mobile phone, and a tablet. The portable power case is operable to be charged using solar panels, vehicle batteries, AC adapters, non-rechargeable batteries, and generators. The portable power case provides for modularity that allows the user to disassemble and selectively remove the batteries installed within the portable power case housing.
Resumen de: US2025260128A1
Provided is a technique that does not inhibit an intrusion of the electrolytic solution from outside to inside of the electrode assembly, and that can suppress the electrolytic solution from outflowing to the outside from the inside of the electrode assembly. A herein disclosed electric storage device includes the electrode assembly including a positive electrode, a negative electrode, and a separator, includes an electrolytic solution, and includes a case configured to accommodate the electrode assembly and the electrolytic solution. The electric storage device includes a reverse flow inhibiting groove on a surface of the separator. The reverse flow inhibiting groove is a groove in which the electrolytic solution flows from the outside to the inside of the electrode assembly, and is a groove which is in a pattern for inhibiting the electrolytic solution from flowing to the outside from the inside of the electrode assembly.
Resumen de: US2025260244A1
A power supply device includes a first power source, a second power source, a switch circuit including a first switch to a third switch, a first reactor, a second reactor, and a control device configured to control the switch circuit and to alternately switch between a first state in which the first power source is connected between the first node and the fourth node via the first reactor and the second power source is connected to both ends of the second reactor and a second state in which the second power source is connected between the first node and the fourth node via the second reactor and the first power source is connected to both ends of the first reactor.
Resumen de: US2025260084A1
An immersion cooling system for a battery of an electric vehicle. The immersion cooling system includes an incompatible fluid detection system configured to detect a presence of an incompatible fluid within a fluid circuit of the immersion cooling system. The incompatible fluid can include a non-dielectric fluid that has entered or accumulated within the fluid circuit, as well as a dielectric fluid that has been contaminated or is reaching, if not already attained, an end-of-life for the dielectric fluid. In response to a determination of a presence of the incompatible fluid in the fluid circuit, a notification can be generated to alert an operator of the detection of the incompatible fluid. Additionally, the system can take actions, including closing a valve(s), deactivating a pump, and/or opening a bypass circuit(s), among other actions, to isolate at least the battery from the incompatible fluid.
Resumen de: US2025260080A1
An inspection apparatus for inspecting at least one secondary cell includes a fixed support part; a movable part; and pressing parts that are installed between the support part and the movable part. The pressing parts are freely movable along the main axis, two adjacent pressing parts defining a space (120) for accommodating a secondary cell. Each pressing part that is in contact with the at least one secondary cell has a temperature sensor, the temperature sensor being intended to measure the temperature of the at least one secondary cell which is subjected to a pressure between the pressing parts. An inspection method for inspecting at least one secondary cell is related to the inspection apparatus.
Resumen de: US2025260086A1
A heat sink assembly including first and second heat sinks having a plurality of ribs integrally molded along a length direction by extrusion molding, the spaces between the ribs forming a flow path through which a coolant flows, the first and second surfaces at both ends of the length direction being open is provided. The first and second heat sinks have communication ports on one side wall adjacent to the second surface, and the first and second heat sinks are integrally formed by the side walls forming a bonding surface in a way that the communication ports align. The ribs of the first and second heat sinks have a lengths such that both ends thereof are spaced apart from the first and second surfaces by a predetermined distance, and the open first and second surfaces of both ends of the first and second heat sinks are closed by end plugs inserted into the first surface and the second surface and spaced apart from the ends of the ribs.
Resumen de: US2025260002A1
Provided is a positive electrode active material having low resistance and improved rate characteristics. This positive electrode active material contained in a positive electrode of a nonaqueous electrolyte secondary battery contains a lithium-transition metal composite oxide and a carbonaceous film formed on the surface of the lithium-transition metal composite oxide, wherein the carbonaceous film contains an alkali metal except Li and/or an alkali earth metal.
Resumen de: US2025260076A1
A battery pack can comprise a battery monitoring system that can monitor a battery metric of a battery cell of a battery system cluster board, in response to a determination that the battery metric satisfies a first bypass condition, enables a bypass mode applicable to the battery system cluster board, and in response to a determination that the battery metric no longer satisfies the first bypass condition, exits the bypass mode. A primary controller can in response to a determination that a second bypass condition applicable to the battery system cluster board has been satisfied, sends an instruction to the battery monitoring system to enter the bypass mode, and in response to a determination that the second bypass condition is no longer satisfied, sends an override instruction to the battery monitoring system to exit the bypass mode.
Resumen de: WO2025166897A1
A battery (1000) and an electrical device. The battery (1000) comprises a box body (300), a battery cell (201), and a heat exchange member (100). The box body (300) comprises a box main body (301), the box main body (301) having an accommodating cavity (3011), and a groove (3014) being formed in a wall body of the box main body (301). The battery cell (201) is disposed in the accommodating cavity (3011). The heat exchange member (100) is at least partially embedded in the groove (3014) and attached to the wall body, and is used for heat exchange with the battery cell (201).
Resumen de: US2025260250A1
a method for operating an energy storage module having multiple energy storage cells by: a) obtaining a cell lifetime for at least one energy storage cell, wherein the cell lifetime depends at least on thermal effects and voltage effects; and for each energy storage cell: b) determining a thermal cell aging factor, that is indicative of an aging process of the energy storage cell due to thermal effects; c) determining a voltage offset required to obtain the lifetime obtained in step a); and d) activating balancing of the respective energy storage cell based on the voltage offset obtained in step c).
Nº publicación: US2025259991A1 14/08/2025
Solicitante:
MURATA MFG CO LTD [JP]
MURATA MANUFACTURING CO., LTD
Resumen de: US2025259991A1
A positive electrode for a secondary battery and a secondary battery are provided. The secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode includes a positive electrode active material layer. The positive electrode active material layer includes positive electrode active material particles, a positive electrode binder, a positive electrode conductor, and a carboxymethyl cellulose salt. The positive electrode active material particles include a phosphoric acid compound having an olivine crystal structure. The positive electrode binder includes an acrylic acid ester polymer. The positive electrode conductor includes carbon black. The positive electrode active material layer has a volume resistivity of greater than or equal to 10 Ω·cm and less than or equal to 100 Ω·cm.
BOPI
Sede Electrónica
