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1408
resultados
Última actualización
17/12/2025 [07:14:00]
Resultados 1100 a 1125 de 1408
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: 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: 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: US2025372610A1
A positive electrode plate, a battery, and an electric apparatus. The positive electrode plate includes at least two positive electrode active material layers; two adjacent layers of the positive electrode active material layers respectively include a first positive electrode active material and a second positive electrode active material; an average particle size of the first positive electrode active material is denoted as R1; an average particle size of the second positive electrode active material is denoted as R2; and R1 and R2 satisfy the following relationship: R1≥ 5R2. When R1 and R2 of the first positive electrode active material and the second positive electrode active material satisfy R1≥5R2, the positive electrode plate is configured to include at least two positive electrode active material layers.
Resumen de: US2025372617A1
A positive electrode active composite material, a preparation method therefor, a positive electrode plate, a secondary battery, and a power consuming apparatus are disclosed. The positive electrode active composite material includes a carbon material, a transition metal M and a polyanionic compound. The positive electrode active composite material has a good degree of graphitization and good processability, and the compaction density of the positive electrode active composite material and the compaction density of a positive electrode film layer are increased, improving the performance of batteries.
Resumen de: US2025372613A1
An electrochemical device includes a positive electrode plate. The positive electrode plate includes a positive active material layer. The positive active material layer includes a positive active material. After the electrochemical device is discharged, a molar fraction of an M1 element in the positive active material included in the positive electrode plate in a fully discharged state is a. The M1 element includes Ni, Co, and Mn. A molar fraction of Ni in the positive active material is b. A molar fraction of Mn in the positive active material is c. A molar fraction of an M2 element in the positive active material is d. The M2 element includes at least one of Na, K, or Mg. The value of b/a is 0.4 to 0.6, the value of c/a is 0.4 to 0.6, and the value of d/a is 0.04 to 0.06.
Resumen de: US2025372760A1
The invention relates to a heat exchange plate for thermal management of a battery pack, having first and second plates, at least the first plate having at least one channel, the first and second plates adjoining one another such that the channel partially delimits at least one duct of a circuit for circulation of a heat-transfer fluid. The first plate is made of a first material and the second plate is made of a second material that is different from the first material and confers a structural function on the second plate.
Resumen de: US2025373034A1
The present disclosure provides a battery pack capable of normal release of an over-discharge prevention mode and an operating method thereof. When it is determined that an over-discharge condition is satisfied, the battery pack is controlled to the over-discharge prevention mode, and when operating in the over-discharge prevention mode, if a preset over-discharge prevention release condition is satisfied, it is possible to re-determine whether the battery module satisfies an over-discharge condition and determine whether to release the over-discharge prevention mode.
Resumen de: US2025373029A1
An apparatus for controlling a battery and a method thereof are disclosed. The apparatus includes a battery having a plurality of battery packs, a converter, a memory, and a processor. The processor distinguishes a plurality of state of charge (SOC) regions for using each of the plurality of battery packs. The processor further identifies a voltage difference between a first battery pack among the plurality of battery packs and a second battery pack among the plurality of battery packs when an SOC of each of the plurality of battery packs is included in an operation region in which each of the plurality of battery packs is usable among the plurality of SOC regions. The processor also adjusts the voltage difference between the first battery pack and the second battery pack.
Resumen de: US2025372767A1
Discussed is a battery pack including a plurality of battery modules including a plurality of battery cells and cooling tubes configured to cool the plurality of battery cells; a pack case providing an inner space to accommodate the plurality of battery modules therein; and a pipe assembly provided inside the pack case and configured to connect the cooling tubes of the plurality of battery modules on one side thereof.
Resumen de: US2025372688A1
A laser welding apparatus for a secondary battery is provided, with the laser welding apparatus being configured such that a fixing force for a current collector of a secondary battery is improved. The laser welding apparatus reduces the likelihood of human errors and defects in a process of welding the current collector of the secondary battery.
Resumen de: US2025372711A1
Disclosed are an electrolyte solution for a rechargeable lithium battery, and a rechargeable lithium battery including the electrolyte solution. The electrolyte solution for the rechargeable lithium battery includes a non-aqueous organic solvent, a lithium salt, a first compound and a second compound.
Resumen de: US2025372704A1
The present invention relates to a sulfide-based solid electrolyte and an all-solid-state battery including the same. According to one aspect of the present invention, the sulfide-based solid electrolyte includes at least one sulfide-based solid particle, and, in a scanning electron microscope (SEM) image of the at least one sulfide-based solid particle, a parameter value (C) defined by the following Mathematical Formula 1 is 0.8 or greater. Mathematical Formula 1 C=4πA/P2, wherein A is the area of a region defined along the outline of the at least one sulfide-based solid particle in the SEM image, and P means the length of the perimeter of the region.
Resumen de: US2025374453A1
A shelf sub-assembly configured to accommodate a battery or power component upon installation is disclosed. The shelf sub-assembly comprises: a shelf body comprising a two-sided configuration where a first side of the shelf body is perpendicular to a second side of the shelf body and the first side is attachable to an interior of a power component and battery enclosure and where the second side extends horizontally relative to the first side when the first side is attached to the interior of the power component and battery enclosure and provides a level surface upon which a bottom surface of the battery or a bottom surface of a power component is placed when installed; and a leaf spring component attachable to the first side of the shelf body and comprising a radiused surface configured to apply a compressive force against the battery or power component when installed.
Resumen de: US2025372826A1
Busbar modules are provided for electrically connecting battery cells of a battery system for a traction battery pack. The busbar modules may include a scalable design for accommodating battery systems of all sizes and design requirements. An exemplary busbar module may include a busbar frame and a busbar system positionable relative to a grouping of battery cells by the busbar frame. The busbar system may include a negative terminal, a positive terminal, a plurality of short busbars, and a long busbar.
Resumen de: US2025372785A1
An energy storage enclosure includes a battery pack, a plurality of battery modules arranged within the battery pack, and a plurality of battery submodules arranged within each of the plurality of battery modules. Each of the plurality of submodules includes a tray, and a plurality of submodule cell stacks arranged within the tray. The tray includes a bottom portion adjacent to a bottom side of the plurality of submodule cell stacks and a wall portion extending upwardly from a perimeter of the bottom portion to a flange portion extending outwardly from the wall portion. A first cell expansion support is fixedly attached to an inside surface of the bottom portion of the tray. A second cell expansion support is fixedly attached to an inside surface of the bottom portion of the tray.
Resumen de: US2025368521A1
Disclosed are approaches for recycling LIBs where lithium is recovered before the other node metals in order to increase the amount of lithium recovered. For such approaches, the other node metals need not be further refined or recovered and, despite the small loss of these other node metals as impurities in the first-recovered lithium, the available alternative dispositions for these other node metals—such as in the form of multi-metal-oxides (MMO)—can render the recovery of lithium before the other node metals to be advantageous. Several such approaches may feature nitration, roasting, lithium trapping, and/or other innovative features to facilitate greater and purer recoveries of the target LIB components.
Resumen de: US2025372823A1
A battery has a housing, a cell pack supported within the housing, and a lid configured to close an open end of the housing. A first terminal is supported by the lid. A first busbar is configured to electrically couple the cell pack to the first terminal. A first electrical component is supported by the lid and electrically coupled between the first busbar and the first terminal.
Resumen de: US2025372616A1
The positive electrode sheet comprises a positive electrode film layer located on at least one side of a current collector The particle size distribution index of an active material in the first area of the positive electrode film layer is smaller than the particle size distribution index of an active material in the second area of the positive electrode film layer The particle size distribution index is the ratio of the standard deviation of the particle size of an active material to the average particle size thereof, the first area is an area where the positive electrode film layer extends vertically from the surface on the side close to the current collector to the positive electrode film layer within a distance h1, the second area is an area where the positive electrode film layer extends vertically from the surface on the side close to the current collector.
Resumen de: US2025370518A1
A low battery voltage protection method for a microcontroller system and a microcontroller system using the same are provided. The low battery protection method and the microcontroller system are used to prevent continuous battery drain by setting time thresholds and a count threshold. In an embodiment, when a low-voltage power-on reset voltage is not exceeded within a first preset time, the microcontroller system is forced to enter a sleep mode to prevent power consumption by an analog block. In another embodiment, when the low-voltage power-on reset voltage is exceeded, but a reset count of the microcontroller system exceeds a preset value within a second preset time, the microcontroller system is also forced to enter the sleep mode to prevent a digital block from continuously loading data, which could lead to battery failure.
Nº publicación: US2025370053A1 04/12/2025
Solicitante:
JOULWATT TECH CO LTD [CN]
Joulwatt Technology Co., Ltd
Resumen de: US2025370053A1
Disclosed is a detection circuit and a method for detecting an internal resistance of a battery unit. By controlling an operating frequency of a first switch, a disturbance current of a certain frequency is generated, causing a voltage disturbance. A first analog-to-digital converter converts the voltage disturbance into a first digital signal. The internal resistance of a corresponding sub-battery is detected based on the first digital signal, and a discharge current or a second digital signal converted from a current sampling signal of the discharge current. By sending a difference between a battery voltage and a reference voltage to the first analog-to-digital converter for conversion, compared with directly sending a battery voltage, the voltage range to be quantified by the first analog-to-digital converter is smaller, improving resolution, reducing quantization error, enhancing detection accuracy, eliminating a need for using a DC-blocking filter capacitor, saving space, facilitating integration and miniaturization.
BOPI
Sede Electrónica
