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1398
resultados
Última actualización
16/12/2025 [07:11:00]
Resultados 250 a 275 de 1398
Resumen de: AU2023204056A1
The invention refers to a module/rack, for storing electrical energy, which is a device consisting of two or more cells/modules, put together by means of composite material plates, rods and connecting elements, resulting in a rigid assembly, having a cooling and/or forced heating system, at the battery cell level. Cooling and/or heating is done by convection and conduction, convection being ensured by a turbine fan and side radiators through which cooling liquid circulates, and conduction, at the cell level, by a heat exchanger made of copper wool or other thermally conductive materials, in direct contact with the surfaces of the battery cells, with controlled humidity. The module has an anti-fire system, consisting of a flammable gas exhaust system and the injection or spraying of inert gas and/or anti-fire liquid and from ampoules with anti-fire liquid.
Resumen de: WO2025251474A1
The present application relates to the technical field of charging estimation. Provided are a method and apparatus for training a model, a method and apparatus for estimating a remaining charging time, and an electronic device. The method for training a model comprises: collecting historical charging data of a vehicle; dividing the overall charging process of a battery into a plurality of charging paths, performing feature extraction on the basis of the historical charging data and according to the charging paths obtained after division, and performing sorting to obtain charging sample data of each charging path; and using the charging sample data of each charging path to train a preset time estimation model, so as to obtain a trained remaining-charging-time estimation model. In the present application, by means of the superposition of a plurality of charging paths into which an overall charging process is divided, the charging time of each charging path can be dynamically calculated, thereby improving the estimation accuracy of the remaining charging time.
Resumen de: WO2025251421A1
A battery electrode sheet, a preparation method therefor and a use thereof, relating to the technical field of new energy. The battery electrode sheet comprises a current collector, and active coatings and insulating coatings arranged on the surfaces of the current collector, each active coating and the corresponding insulating coating are in contact with each other on at least one edge. A raw material for preparing the insulating coatings comprises an insulating filler satisfying the following parameters: Dv10≥0.5 μm; Dv50 ranges from 0.8 to 2 μm; Dv90≤4 μm; specific surface area BET≤6.5 m2/g; DSC endothermic peak position<600°C; and A=(Dv90-Dv10)/(Dv50×BET), and 0.22 g/m2≤A≤0.35 g/m2. The battery electrode sheet can effectively prevent burrs generated during laser die-cutting of pseudo-tabs and also avoids incomplete cutting problems in laser die-cutting. Also provided are the preparation method for the battery electrode sheet and the use of the battery electrode sheet.
Resumen de: WO2025251414A1
A feeding device (100) and a battery production apparatus. The feeding device (100) comprises: a glove box (10) used for accommodating materials to be fed; and a first negative-pressure assembly (20) connected to the glove box (10) and used for extracting air from the interior of the glove box (10) and controlling the interior of the glove box (10) to maintain a negative-pressure state, wherein the first negative-pressure assembly (20) comprises an inflation member and a control member; a vent is formed in the glove box (10); the inflation member is in communication with the vent; and the control member is connected to both the glove box (10) and the inflation member, and is used for adjusting the air extraction volume of the inflation member so as to control the interior of the glove box (10) to maintain the negative-pressure state. By means of the provision of the first negative-pressure assembly (20), the interior of the glove box (10) maintains the negative-pressure state, and when unpacking and feeding are operated in the glove box (10), the problem of powder overflow can be effectively reduced, making the operation process safer.
Resumen de: WO2025254470A1
The present invention relates to a method for recovering a positive electrode active material. A method for recovering a positive electrode active material according to the present invention comprises: a first step in which a positive electrode including a positive electrode current collector and a positive electrode mixture layer containing a positive electrode active material and a binder is immersed in an organic solvent capable of dissolving the binder, thereby separating the positive electrode mixture layer and the positive electrode current collector; a second step for removing the positive electrode current collector to obtain a first processing solution containing the positive electrode active material, the binder, and the organic solvent; a third step for removing at least a portion of the organic solvent contained in the first processing solution; a fourth step for adding water to the first processing solution to precipitate the binder, and separating the precipitated binder to obtain a second processing solution containing the positive electrode active material, the water, and the organic solvent; a fifth step for separating the positive electrode active material from the second processing solution to obtain a third processing solution containing the water and the organic solvent; and a sixth step for removing the water from the third processing solution and recovering the organic solvent.
Resumen de: WO2025254258A1
The present invention relates to a method for preparing a solid electrolyte, a solid electrolyte prepared thereby, and an all-solid-state battery comprising same. More specifically, the method comprises: providing particles including a sulfide-based solid electrolyte, wherein the sulfide-based solid electrolyte includes a first compound; providing onto the particles gas including a first fluorine-containing compound; and heat-treating the particles and the gas to form on the particles a shell including a second compound, wherein the second compound has a higher fluorine content than the first compound.
Resumen de: WO2025253965A1
An electrode material 1000 according to the present disclosure includes a particle group of a coated active material 100. Each particle of the coated active material 100 includes: a composite particle 130 which includes an active material 110 and a first coating layer 120 that covers at least a part of the surface of the active material 110; and a second coating layer 140 that covers at least a part of the surface of the composite particle 130. The electrode material 1000 satisfies at least one requirement that is selected from the group consisting of the requirements (i) to (v) described below with respect to the thickness distribution of the second coating layer 140. (i) The value Tc obtained by averaging the median values is 1.0-200.0 nm inclusive. (ii) The value Ta obtained by averaging the average values is 1.0-250.0 nm inclusive. (iii) The value Tq obtained by averaging the first quartiles is 1.0-80.0 nm inclusive. (iv) The value Tm obtained by averaging the maximum values is 50.0-1,000.0 nm inclusive. (v) The value CV obtained by averaging the coefficients of variation is 50.0-150.0% inclusive.
Resumen de: US2025379452A1
Embodiments of this application are applicable to the field of charging technologies, and provide a charging method and an electronic device. A to-be-charged apparatus sends first information including remaining electric quantity information of the to-be-charged apparatus to a charging apparatus. The charging apparatus determines a target charging policy from a plurality of candidate charging policies based on the first information. The charging apparatus outputs electric energy to the to-be-charged apparatus according to the target charging policy. In this way, the charging apparatus may flexibly determine the target charging policy from the plurality of candidate charging policies according to the remaining electric quantity information of the to-be-charged apparatus, and then output the electric energy to the to-be-charged apparatus according to the target charging policy. To be specific, charging policies of the to-be-charged apparatus are richer, and charging flexibility of the to-be-charged apparatus is improved.
Resumen de: US2025379438A1
An electric busbar (100) is provided, which is formed as a hollow profile (101), through the cavity (104) of which a coolant flows. The busbar has an inlet connection and an outlet connection, where the inlet connection is formed in such a way as to permit a coolant to flow into the cavity. The outlet connection is formed in such a way as to permit the coolant to flow out of the cavity. Contact pieces (107) are connected integrally and electrically conductively to the ends (106) of the busbar or the hollow profile and close the cavity tightly. A charging system is provided having such a busbar.
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: 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: 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: US2025379323A1
A cover assembly for a battery module including a cover frame configured to be coupled to one opened side of a battery module casing and to close the opened side of the battery module casing, the cover frame including a plurality of hollow portions extending in a longitudinal direction, and a plurality of venting holes at locations that overlap the plurality of hollow portions, the plurality of venting holes being configured to penetrate the cover frame in a direction toward an inside of the battery module casing, and at least one venting part inserted into a first hollow portion and configured to close a respective venting hole of the plurality of venting holes, each at least one venting part having a portion that corresponds to the respective venting hole, each at least one venting part being configured to be opened when gas or flame is generated in the battery module.
Resumen de: US2025379320A1
Provided are a battery module, and a battery pack and a vehicle including the same. The battery module includes a plurality of pouch-type battery cells, a module case in which the plurality of pouch-type battery cells are accommodated and a venting hole is formed, and a cell cover at least partially surrounding and supporting at least some of the plurality of pouch-type battery cells, in an inner space of the module case, wherein at least a portion of the cell cover is inserted into the venting hole.
Resumen de: US2025379222A1
A disclosed hydrogen-absorbing alloy has a composition represented by a formula LaaR(b-a)MgcZrdNixAlyMz, wherein R is at least one rare earth element including Y but not including La, 0.10≤a≤0.40, 0.67≤b≤0.96, 0.01≤c≤0.30, 0.01≤d≤0.05, and b+c+d=1.00 are satisfied, M is at least one element selected from the group consisting of Co, Mn, Ag, and Sn, 3.10≤x≤3.80, 0.03 ≤y≤0.25, 0≤z≤0.05, and 3.45≤x+y+z≤3.85 are satisfied, and the alloy includes, as crystal phases, four phases respectively having a Ce2Ni7 type structure, a Ce5Co19 type structure, a Pr5Co19 type structure, and a CaCu5 type structure, at specific proportions.
Resumen de: US2025379319A1
A battery module has a plurality of battery cells which are accommodated in the interior of a housing of the battery module. Power electronics are further accommodated in the interior of the housing of the battery module. The housing includes a projection which is configured to protrude beyond a remaining part of the housing, and the power electronics are at least partially accommodated within the interior of the projection.
Resumen de: US2025379220A1
A positive electrode plate and a manufacturing method therefor, a battery cell, a battery, and an electrical apparatus. The positive electrode plate includes: a positive electrode current collector; a first coating which is arranged on a surface of at least one side of the positive electrode current collector and includes a first active material; a second coating which includes a second active material that is different from the first active material; and a conductive layer which is arranged between the first coating and the second coating and is used for isolating the first coating from the second coating.
Resumen de: US2025379211A1
A negative electrode includes a current collector layer, a first active material layer, and a second active material layer. The first active material layer includes a first graphite and a silicon simple substance or silicon compound, the second active material layer includes a second graphite having a smaller average particle diameter, a surface of the first active material layer is covered with the second active material layer, and an average thickness between an upper end face of the second active material layer in a shorter direction and an upper end face of the first active material layer in the shorter direction and/or an average thickness between a lower end face of the second active material layer in the shorter direction and a lower end face of the first active material layer in the shorter direction is larger than an average thickness in a laminating direction.
Resumen de: US2025379310A1
A battery module prevents the movement of gas to an adjacent module, and more particularly a battery module capable of preventing the movement of gas to an adjacent module, the battery module including a module case and a unit module, wherein the module case is made of an insulative material, two or more unit modules are received in the module case, the two or more unit modules are located spaced apart from each other by a predetermined distance, and each of the unit modules includes one or more battery cells stacked in a vertical direction.
Nº publicación: US2025379286A1 11/12/2025
Solicitante:
FORTESCUE ZERO LTD [GB]
Fortescue Zero Limited
Resumen de: US2025379286A1
There is described a battery module comprising: an array of battery cells electrically coupled to provide electrical power to a load; a cell space housing the array of battery cells, the cell space arranged to receive flow of a coolant fluid past the battery cells; the battery cells mounted on a base of the cell space, the base comprising one or more flow paths for the coolant fluid; one or more inlets to receive the coolant flow into either the cell space or the base; one or more outlets to deliver the coolant flow out of the other of the cell space or the base; and one or more fluid flow couplings between the cell space and the base to direct flow of coolant fluid between the base and the cell space.
BOPI
Sede Electrónica
