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1373
resultados
Última actualización
13/12/2025 [07:31:00]
Resultados 150 a 175 de 1373
Resumen de: US2025379465A1
A rapid charging control apparatus includes a measuring unit configured to measure a voltage of a battery, and a control unit configured to estimate a SOC of the battery based on the voltage of the battery, determine a charging C-RATE corresponding to the estimated SOC based on a charging profile preset to represent the corresponding relationship between SOC and charging C-RATE, and block charging of the battery for a predetermined time when the charging C-RATE corresponding to the estimated SOC changes.
Resumen de: US2025379459A1
A battery is electrically coupled to a bidirectional power converter (i) to output discharge current through a first electrical path between battery cells and the bidirectional power converter, and (ii) to receive charging current through the first electrical path from the bidirectional power converter. A battery management system is configured to monitor the battery cells, detect a fault condition of the battery cells, transmit a first control signal to the bidirectional power converter to control the bidirectional power converter to cease operating in response to detecting the fault condition of the one or more battery cells, and transmit a second control signal to a switching element to close the switching element to cause a short circuit between a positive side and a negative side of the battery to cause a first overcurrent protection device to open to prevent current from flowing into or out of the battery cells.
Resumen de: US2025379466A1
The charging and discharging operation method of a lithium-ion battery according to the present disclosure comprises measuring an overpotential for each discharge voltage while discharging the lithium-ion battery, determining a minimum discharge voltage for controlling charging and discharging based on a measurement result of the overpotential and controlling charging and discharging the lithium-ion battery according to the determined minimum discharge voltage.
Resumen de: US2025379261A1
A lithium ion battery comprises an electrolyte solution and a stacked electrode assembly. The stacked electrode assembly includes a positive electrode layer and a negative electrode layer. The positive electrode layer and the negative electrode layer are alternately stacked in a stacking direction. In the stacking direction, the stacked electrode assembly includes a first region, a second region, and a third region in this order. The second region includes an intermediate point in the stacking direction. The first region includes a first positive electrode active material having a first particle size. Each of the second region and the third region includes a second positive electrode active material having a second particle size and a third positive electrode active material having a third particle size. A relationship of “d2
Resumen de: US2025379257A1
An electrode assembly includes: a separator structure including a first separator and a second separator; a plurality of negative electrode plates spaced from each other along a first direction between the first separator and the second separator; and a plurality of positive electrode plates on the negative electrode plates with the first separator or the second separator therebetween. The separator structure includes a bending portion where the first separator and the second separator are bonded to each other, and the bending portion has a cutaway portion through which the first separator and the second separator are cut in a second direction perpendicular to the first direction.
Resumen de: US2025379259A1
A solid-state battery has an anode including a metal foil current collector and an anode composite on the metal foil current collector such that the metal foil current collector defines an exposed area free of the anode composite. The solid-state battery also has a separator laminated on the anode composite and a tape attached on both sides of the anode, covering the exposed area.
Resumen de: US2025379256A1
Embodiments of the invention are related to moderately solvating electrolytes (MSEs) and rechargeable metal-sulfur batteries containing such electrolytes. Electrolytes include a metal salt, a highly solvating solvent, a weakly or lowly solvating solvent, and a non-solvating solvent (or diluent). Example rechargeable batteries including such electrolytes are lithium-sulfur (Li—S), sodium-sulfur (Na—S), potassium-sulfur (K—S), magnesium-sulfur (Mg—S), and aluminum-sulfur (AI-S) batteries.
Resumen de: US2025379275A1
A computer system has processing circuitry to: acquire cell data from cell sensors of an electrical energy storage pack of an electrical energy storage system of a vehicle, determine at least two states of the cells based on evaluating the cell data; input the at least two states as input to a reinforcement learning algorithm configured to calculate control signals to balance the at least two states across the cells, and provide an output indicating the control signals.
Resumen de: US2025379273A1
Provided are a pressure relief valve and a battery pack. A pressure relief valve includes a valve body. The valve body is provided with a pressure relief hole penetrating through the valve body along a length direction of the valve body. At least one whistle hole is disposed at a side wall of the valve body. Each of the at least one whistle hole extends from an outer side surface of the valve body to an inner side surface of the valve body, to form an opening communicated with the pressure relief hole at the inner side surface. The whistle hole is configured to generate a sound when a portion of gas in the pressure relief hole is discharged through the whistle hole.
Resumen de: US2025379457A1
The invention is an energy storage system, comprising: a plurality of elongated compartments, each designed to house a string of energy storage cells; each compartment is equipped with accessible openings, engineered to facilitate the easy installation and removal of the storage cells; the compartments being architected to host two or more storage cells, positioned adjacently within its extremities; a retaining mechanism is also incorporated, which serves to hold the string of cells firmly pressed together, thereby forming a reliable current path; the system incorporates a balancing mechanism; this mechanism includes a balancing system that comprises electrical tabs connecting the junctions of adjacent cells and a mechanism capable of moving charge into and out of these tabs. This movement of charge facilitates charging or discharging of the cells, thereby maintaining balanced voltages across the system.
Resumen de: US2025379455A1
A battery pack comprising a battery stack and a controller electrically connected to the battery stack. The controller is configured to determine a state of health of the battery stack and adjust a state of charge (SOC) limit for the battery stack based on the determined state of health.
Resumen de: US2025379460A1
A power dolly includes a planar platform supported by at least three wheels, a battery mechanically coupled to the planar platform and located between the wheels, a mains input connector configured to receive mains power and to charge the battery, a battery charger electrically coupled to the mains input connector and configured to charge the battery using mains power received at the mains input connector, an inverter configured to receive direct current (DC) power from the battery and to provide alternating current (AC) power at an inverter output connector, and a wireless communication receiver configured to receive a control signal and to output the received control signal via a control output connector.
Resumen de: US2025379461A1
The disclosure relates to an intraoral scanner battery charger that includes two or more battery slots configured to receive an intraoral scanner battery, wherein each of the two or more battery slots includes a charging interface that is configured to an intraoral scanner battery interface of an intraoral scanner. The charging interface is configured to transfer a charging current to the intraoral scanner battery. The charger further includes a processor unit configured to control the charging current based on a prioritized charging algorithm. The prioritized charging algorithm includes transferring a first charging current to a first intraoral scanner battery and a second charging current to a second intraoral scanner battery, and wherein the first charging current is higher than the second charging current during a charging period, and during a subsequent charging period, the first charging current is lower than the second charging current.
Resumen de: US2025379456A1
A cell balancing device and method includes: obtaining a first minimum cell voltage value and a first maximum cell voltage value of a to-be-balanced battery module in a latest full-charging operation; determining a first charge capacity of a first target cell in the battery module in a corresponding first time period in response to a first charging operation by the battery module; and updating a balancing capacity of the first target cell based on the first charge capacity. The first target cell has a voltage value greater than or equal to the first minimum cell voltage value. The first time period corresponding to the first target cell is a period of time that begins when the voltage value of the first target cell reaches the first minimum cell voltage value for a first time and that ends when the first charging operation of the battery module is ended.
Resumen de: US2025379252A1
An electrolyte including a compound of Formula I-A and a compound of Formula I-B:where based on a mass of the electrolyte,a percentage of the compound of Formula I-A and a percentage of the compound of Formula I-B are each in a range of 0.12% to 5.1%.
Resumen de: US2025379250A1
Disclosed is a method of manufacturing an all-solid-state battery, the method including a mixture formation step of mixing positive electrode active material powder coated with a lubricating material and electrolyte powder with each other to form a mixture, an application step of applying the mixture to a positive electrode current collector, and a pressing step of pressing the mixture and the positive electrode current collector. Pores in a positive electrode composite layer formed in the pressing step may be reduced, whereby the performance of the all-solid-state battery may be improved.
Resumen de: US2025379248A1
An embodiment of the present disclosure can provide an electrode assembly, comprising: a first electrode wound about a winding axis and comprising a first uncoated portion a second electrode wound about the winding axis and comprising a second uncoated portion, and a separator disposed between the first electrode and the second electrode; wherein the first uncoated portion comprises a plurality of cutting portions, formed at a predetermined depth from an end of the first electrode, and a plurality of cross-cutting portions, extending from the cutting portions and formed in a winding direction.
Resumen de: US2025379249A1
An apparatus for pressurizing a battery includes: a plurality of pressurization plates configured to pressurize a plurality of battery cells interposed between the pressurization plates; a buffering pad interposed between one of the pressurization plates and one of the battery cells, the buffering pad comprising foamed silicon; and a pressure adjustment part configured to adjust pressure between the pressurization plates by adjusting a distance between the pressurization plates.
Resumen de: US2025379251A1
A main object of the present disclosure is to provide a mixture with which an electrode layer and an electrolyte layer with excellent ion conductivity are obtained. The present disclosure achieves the object by providing a mixture including a first solid electrolyte and a second solid electrolyte, wherein the first solid electrolyte and the second solid electrolyte contain Li, P, and S, and have an argyrodite type crystal structure; the first solid electrolyte includes an anion component including B; and the second solid electrolyte does not include an anion component including B.
Resumen de: US2025379244A1
A thermal management control apparatus for a fuel cell electric vehicle includes: a stack cooling line configured to cool a fuel cell stack of the fuel cell electric vehicle; a battery cooling line configured to cool a battery of the fuel cell electric vehicle; a valve configured to control an inflow of the stack coolant; and a control apparatus configured to diagnose whether a component of the valve or the battery cooling line has failed based on the battery having overheated, and configured to cool the battery based on a failure of the valve or a component failure of the battery cooling line having occurred.
Resumen de: US2025379312A1
A battery and a vehicle. The battery comprises: a battery box and at least one battery cell. The battery box comprises a box body and a top cover, the top cover is arranged on the top of the box body, and an accommodation cavity is defined between the top cover and the box body. All the battery cells are arranged in the accommodation cavity, and the upper part of at least some of the battery cells is fixedly connected to the top cover.
Resumen de: US2025379217A1
A negative electrode active material, a method for preparing the same, a negative electrode composition and a negative electrode including the same, and a lithium secondary battery including the negative electrode are provided. The negative electrode active material comprises a silicon-based active material comprising a (220) crystal plane and a (111) crystal plane, the silicon-based active material comprising Si and optionally SiOx (0
Resumen de: US2025379213A1
A positive electrode for a non-aqueous electrolyte secondary battery, including: a positive electrode current collector including a positive electrode current collector main body formed of a metal material; and a positive electrode active material layer provided on the positive electrode current collector, wherein: the positive electrode active material layer includes a positive electrode active material; the positive electrode active material has, on at least a part of its surface, an active material coating section including a conductive material; the positive electrode current collector main body has, on at least a part of its surface on a side of the positive electrode active material layer, a current collector coating layer including a conductive material; and a ratio of thickness of the current collector coating layer to thickness of the positive electrode active material layer is more than 0.000 and less than 0.020.
Resumen de: US2025379347A1
Disclosed are a battery pack case including a base plate forming one side of the battery pack case and having a through hole connecting an internal space of the battery pack case with outside of the battery pack case, and an outer plate spaced apart from an outer surface of the base plate and blocking the through hole from being exposed to the outside and forming a separation space between the base plate and the outer plate. Also disclosed are a battery pack including the same, and a vehicle.
Nº publicación: US2025379343A1 11/12/2025
Solicitante:
CIRRUS LOGIC INT SEMICONDUCTOR LTD [GB]
Cirrus Logic International Semiconductor Ltd
Resumen de: US2025379343A1
A system may include a battery, a protection field-effect transistor electrically coupled to a first terminal of the battery, such that when the protection field-effect transistor is deactivated, substantially zero electrical current flows to and from the battery, and a battery management system electrically coupled to the protection field-effect transistor and configured to sense a first voltage across the protection field-effect transistor and control the protection field-effect transistor based on the first voltage.
BOPI
Sede Electrónica
