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1659
resultados
Última actualización
18/12/2025 [07:24:00]
Resultados 975 a 1000 de 1659
Resumen de: US2025369706A1
The method for producing a heat exchanger includes: a before-joining step in which prepared is a stack in which a surface sheet, a solid joining material comprising, as a main component, an amorphous thermoplastic resin which is at least one resin selected from among thermoplastic epoxy resins and phenoxy resins, and a channel formation sheet having a channel in a surface thereof facing the surface sheet have been arranged in this order; and a joining step in which the stack is heated and pressed to melt the solid joining material and join the surface sheet to the channel formation sheet. The amorphous thermoplastic resin has an epoxy equivalent of 1,600 or greater, or the amorphous thermoplastic resin contains no epoxy group and has a heat of fusion of 15 J/g or less.
Resumen de: US2025368536A1
The cathode active material includes secondary particles. The secondary particle includes a plurality of crystallites. Each of the plurality of crystallites includes a lithium metal composite oxide. A structure of the lithium metal composite oxide is a layered-rocksalt structure. In the cross section of the secondary particle, “2.5≤dL/dS≤15”, “0.051≤dL/D≤0.124”, and “θ≤45°” are satisfied. “dL” indicates the major axis diameter of the crystallite. “dS” indicates the minor axis diameter of the crystallite. “D” indicates the maximum Feret diameter of the secondary particles. “θ” represents an angle formed between the first straight line and the second straight line. The first straight line is an extension of the major axis diameter of the crystallite. The second straight line passes through the intersection of the circumscribed circle of the secondary particle and the extension line and the center of the circumscribed circle.
Resumen de: US2025368512A1
A method for producing lithium manganese iron phosphate, the method comprising: obtaining first precursor particles by mixing metal powder containing iron and manganese with a phosphate compound, and stirring and pulverizing; obtaining second precursor particles by mixing the first precursor particles with a lithium source, and stirring and pulverizing; and calcining the second precursor particles to obtain lithium manganese iron phosphate.
Resumen de: US2025368538A1
The present disclosure relates to a metal composite compound including at least nickel (Ni) and boron (B), wherein, at a molar ratio of lithium (Li) to a metal element (M) in the metal composite compound (Li/M) of 1.01, a calcined product of the metal composite compound, maintained for a predetermined time at a calcination temperature of 730° C. in an oxygen atmosphere, exhibits a β value of 300.0 or less in a fitting function Y=α×log10 X +β that is a semi-logarithmic graph of time T and a crystallite size S1, with the common logarithm of the time T (unit: minutes) for maintaining the metal composite compound at a calcination temperature of 730° C. on the X-axis and the crystallite size S1 of the (003) plane (unit: Å) on the Y-axis.
Resumen de: US2025368537A1
A method of producing a positive electrode active material includes: obtaining a mixture by mixing a nickel-containing compound and a lithium compound, the nickel-containing compound being at least one of a nickel-containing hydroxide and a nickel-containing oxide; obtaining a molded body by molding the mixture; and calcinating the molded body at 750 to 1000° C. under an oxygen atmosphere using a rotary kiln having a furnace having an inner wall composed of an alloy including Cr. A maximum diameter of the molded body is 18 to 50 mm, and a density of the molded body is 1.5 to 4 g/cm3.
Resumen de: US2025368028A1
A heat exchanger that is for raising a temperature of a battery of a plug-in hybrid electric vehicle is disposed away from a vehicle-upper side of an engine mount. Further, the first bracket is disposed on the front side in the vehicle front-rear direction with respect to the heat exchanger in the vehicle plan view to couple the heat exchanger and the engine mount, the second bracket is disposed on the rear side in the vehicle front-rear direction with respect to the heat exchanger in the vehicle plan view to couple the heat exchanger and the engine mount.
Resumen de: US2025368864A1
An electroconductive pressure-sensitive adhesive tape includes at least an electroconductive pressure-sensitive adhesive layer containing at least a rubber component and electroconductive particles. The rubber component contains a polyisobutylene (A) having a viscosity average molecular weight of 400,000 or more and 800,000 or less and a polyisobutylene (B) having a viscosity average molecular weight of 100,000 or less. The electroconductive pressure-sensitive adhesive tape achieves both a superior adhesive property and a high swelling resistance to an electrolyte layer, especially, a high swelling resistance to an electrolyte layer containing dimethyl carbonate.
Resumen de: US2025367886A1
A method for manufacturing a connecting member consisting of a first connecting body and a second connecting body connected together, in which the first connecting body has a first member at one end and the second connecting body has a second member extending along the first member at one end, the method including: a pre-joining step for preparing a laminate formed of the first member, a solid joining agent mainly comprising an amorphous thermoplastic resin which is at least one selected from a thermoplastic epoxy resin and a phenoxy resin, and the second member, arranged in this order; and a joining step for heating and pressurizing the laminate to melt the solid joining agent and join the first member and the second member.
Resumen de: US2025367721A1
An electrode sheet fabrication device includes a support roll that supports an electrode sheet, a pressing roll which faces the support roll with the electrode sheet sandwiched between the pressing roll and the support roll and at least whose outer circumference surface is made of rubber, and a controller. In the controller, a movement controller moves the pressing roll from a first position at which the pressing roll is separated from the electrode sheet toward a second position at which the pressing roll contacts the electrode sheet before conveyance of the electrode sheet starts. The conveyance controller conveys the electrode sheet after the pressing roll has moved to the second position. The pressing controller presses the pressing roll against the electrode sheet from the second position when conveyance of the electrode sheet is started or when a reference time has elapsed since conveyance of the electrode sheet was started.
Resumen de: US2025368514A1
Provided are a carbon sheet having excellent performance in terms of inhibiting lithium dendrite growth and a method of producing this carbon sheet. Also provided are a laminate and an electrical storage device that include a carbon sheet having excellent performance in terms of inhibiting lithium dendrite growth. The carbon sheet is a carbon sheet containing carbon nanotubes, wherein the carbon nanotubes and the carbon sheet each have pores, and the distribution states of these pores satisfy specific requirements.
Resumen de: US2025367770A1
An ultrasonic welding device includes an anvil provided so that an overlapping surface of an electrode tab and an electrode lead, which are provided in an electrode assembly, are configured to be disposed thereon; a horn configured to weld the overlapping surface disposed on the anvil; and an inspection member configured to inspect a horizontal level of an opposing member with respect to the overlapping surface, based on an overlapping surface horizontal value that is a horizontal value of the overlapping surface with respect to a predetermined reference surface and an opposing horizontal value that is a horizontal value of the opposing member, which is one of a welding part of the horn configured to face the overlapping surface and a disposing part of the anvil, on which the overlapping surface is configured to be disposed, with respect to the predetermined reference surface.
Resumen de: US2025367435A1
A method for fabricating a segmented electrode is provided. The method includes performing a series of progressive die stamping operations on a foil sheet of material to form an initial electrode, and removing portions of the initial electrode using a centerless grinding process to form a segmented electrode including a plurality of circumferentially spaced contacts.
Resumen de: US2025367680A1
Systems and methods are provided for separating mixed metals from one another out of batteries (e.g., lithium ion batteries (LIBs)). Magnetic field gradients can be used to separate mixed metals from one another, and the products of the separation (e.g., lithium (Li), nickel (Ni), manganese (Mn), and/or cobalt (Co)) can be used again in other manufacturing processes, such as to manufacture new LIBs.
Resumen de: US2025370054A1
The present invention relates to a battery diagnosis system and method, and disclosed is a battery diagnosis system including a receiving unit that receives information on a high voltage battery and charge state information of the high voltage battery of a vehicle being charged; a control unit that controls a current of the high voltage battery; a measurement unit that measures a voltage change amount of the high voltage battery in which the current is controlled; and a determination unit that determines the battery having the voltage change amount of an abnormal battery among the voltage change amounts of the battery measured in the measurement unit.
Resumen de: US2025370061A1
A battery swapping apparatus, an apparatus for diagnosing a battery condition, a method for diagnosing a battery condition, and a battery exchange system including the battery swapping apparatus and the apparatus for diagnosing a battery condition with high-efficiency and high-reliability are disclosed. The battery exchange system may discharge a battery pack in which charging has been stopped, calculate at least one state information of the discharged battery pack, resume charging of the battery pack, calculate the impedance information from the at least one state information of the discharged battery pack, and determine a state of health (SoH) of the battery pack and whether the battery pack is defective.
Resumen de: US2025367613A1
In various aspects, methods of preparing mesoporous polyimide membranes are provided. The polyimide membranes are useful as separators in various electrochemical devices, in particular in alkali metal batteries where the controllable pore size and high modulus of the membranes can prevent or suppress dendrite formation in alkali metal batteries. Electrochemical devices, and in particular alkali metal batteries, incorporating the polyimide membranes as separators are also provided.
Resumen de: US2025370051A1
A multi-stack battery management device is disclosed herein. In various embodiments, the multi-stack battery management device comprises an energy storage system comprising one or more stacks including, wherein the one or more connected stacks comprises one or more connected stacks and one or more disconnected stacks, wherein the connected stacks are connected to a shared DC bus, a measurement module comprising a voltage measurement device and a current measurement device, the voltage measurement device configured to measure a measured voltage associated with one of the one or more stacks and the current measurement device configured to measure a measured current associated with one of the one or more stacks; a stack estimation system for receiving the measured voltage and the measured current from the measurement module and for generating an estimated stack open circuit voltage and an estimated stack resistance for one or more of the stacks; and a multi-stack management module for receiving the estimated stack open circuit voltage and the estimated stack resistance and for determining an output signal based on the estimated stack open circuit voltage and the estimated stack resistance, wherein the output signal is used for determining whether to connect the one or more disconnected stacks to the shared DC bus.
Resumen de: US2025370291A1
A novel electronic device is provided. Alternatively an electronic device of a novel embodiment is provided. An electronic device includes a ring portion and a display portion. The display portion is flexible. The display portion has a top surface and a first side surface in contact with at least one side of the top surface. The first side surface has a curved surface. The top surface includes a first display region. The first side surface includes a second display region. The first display region and the second display region are continuously provided. The electronic device is mounted such that the ring portion is in contact with a user's finger.
Resumen de: US2025369906A1
An apparatus for testing a sample includes a fixture releasably holding the sample during a test, a first mixer having a first chamber and a first channel, the first chamber mixing compressed air with abrasive particles to form a first mixture having a first predetermined mixing ratio, the first channel projecting the first mixture at a spot of the sample during the test, a second mixer having a second chamber, an ignitor and a second channel, the second chamber mixing an oxidizer and a fuel to form a combustible mixture with a second predetermined mixing ratio, the ignitor adjacent to an outlet of or protruding into the second chamber and controllably igniting the combustible mixture to create a flame, the second channel projecting the flame at the spot during the test, and a first temperature sensor measuring a surface temperature of an unexposed side of the sample during the test.
Resumen de: US2025369907A1
A battery material containment device comprises a lid; a housing case that is constructed and arranged to hold a battery material during a thermal analysis operation, the housing case including a threaded region for receiving and removably coupling with the lid to form a gas-tight seal and securing the battery material in the housing case; at least one vent for providing a gas flow path for the release of gasses generated by the battery material in the housing case during the thermal analysis operation; and a heat flow pathway between the battery material and a sensor that is maintained during the thermal analysis operation.
Resumen de: US2025369147A1
Simple, material-efficient microgranulation methods are disclosed for aggregating precursor particles into larger product particles with improved properties and, in some instances, novel structures. The product particles are useful in applications requiring uniform, smooth, spherical, or rounded particles such as for electrode materials in lithium batteries and other applications.
Resumen de: US2025372790A1
A battery exchange system according to an aspect of the present disclosure includes: a dummy battery part including a positive electrode and a negative electrode, the dummy battery part being attachable to a circuit board battery holder of a circuit board of an electronic device, the circuit board battery holder being a battery holder for a button-type battery, of a circuit board of an electronic device; and a battery board including a battery board battery holder that is a battery holder for a button-type battery including a positive terminal connected to the positive electrode and a negative terminal connected to the negative electrode, the battery board being disposed in the electronic device so as to be insertable and removable from an outside of a housing of the electronic device.
Resumen de: US2025372797A1
What is provided is a partition member that partitions battery cells, the partition member having excellent shape stability even at a high temperature, and a battery assembly that uses the partition member. A layer for controlling heat transfer is retained in a retaining part having compressibility to form an inner enclosure body, and the inner enclosure body is encapsulated in an outer casing body to form a partition member. The retaining part is preferably formed in a tray shape, is provided to have a thickness larger than that of the layer for controlling heat transfer, and is configured such that an area of the outer casing body coming into contact with the inner enclosure body increases with an increase in an external pressure applied to the partition member.
Resumen de: US2025372784A1
A power storage device for a vehicle of a first aspect includes: a battery module group structured by a plurality of battery modules, in which a plurality of battery cells are accommodated, being disposed along one direction; and a mounting bracket extending in the one direction, connecting the plurality of battery modules, and fixed to a beam-shaped member extending in the one direction.
Nº publicación: US2025372824A1 04/12/2025
Solicitante:
YAZAKI CORP [JP]
Yazaki Corporation
Resumen de: US2025372824A1
A busbar module includes a circuit body formed of a flexible substrate, and busbars respectively connected to electrodes of a plurality of single cells. The circuit body includes a main line arranged to extend along a stacking direction of the plurality of single cells, a branch line branched from the main line and to extend toward the busbar, the branch line having a portion extending along the stacking direction as at least a part of the branch line, and a terminal portion provided at a location of the branch line which is closer to a distal end side than the portion, and to be attached to the busbar. The branch line has a shape in which at least a part of the branch line is folded back toward the main line to overlap the main line in a thickness direction of the main line.
BOPI
Sede Electrónica
