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1323
resultados
Última actualización
25/04/2025 [07:36:00]
Resultados 1075 a 1100 de 1323
Resumen de: WO2025075341A1
Disclosed are a battery diagnosis method and a battery diagnosis apparatus. The battery diagnosis method according to the present invention comprises the steps of: executing a procedure of intermittent application of electrical stimulation to a battery cell; acquiring state history data of the battery cell corresponding to a state change period until the electrical state of the battery cell reaches a second state from a first state by the procedure of intermittent application; on the basis of the state history data, generating a measured full cell profile indicating the correspondence between the capacity and voltage of the battery cell; and analyzing the measured full cell profile to generate first diagnosis information including at least one diagnosis factor associated with the charge/discharge performance of the target cell.
Resumen de: WO2025075336A1
Disclosed are a battery diagnosis apparatus and a battery diagnosis method. The battery diagnosis apparatus according to the present invention comprises: a processor for controlling a stimulus applying device to intermittently apply a second electrical stimulus greater than a first electrical stimulus to a target cell during a state change period; and a communication unit for acquiring current time-series data during the state change period and voltage time-series data indicating a change history of a full cell voltage of the target cell at rest periods of the second electrical stimulus applied during the state change period. The processor generates a measured full cell profile on the basis of the current time-series data and the voltage time-series data, and analyzes the measured full cell profile to estimate a negative electrode participation start point.
Resumen de: WO2025075320A1
The present invention provides a lithium metal battery comprising: a positive electrode; a lithium metal negative electrode; and a separator provided between the positive electrode and the lithium metal negative electrode, wherein the separator has a coating layer provided on at least one surface thereof, the coating layer including: a binder containing PAN and a fluorinated polymer; and inorganic particles.
Resumen de: WO2025075347A1
The present invention relates to a battery pack and, more particularly, to a battery pack which can effectively absorb heat when thermal runaway occurs in the battery pack due to an event (impact, internal or external short circuit, etc.) in the battery pack and can block a heat transfer path in the battery pack to prevent the thermal runaway starting from one battery module from being transferred to another battery module. According to the present invention, the battery pack comprises: multiple battery modules; a pack housing in which the multiple battery modules are accommodated; a crossbeam disposed between the battery modules in the pack housing, the crossbeam having a hollow portion formed therein; and an absorption material positioned in the hollow portion of the cross beam to absorb heat emitted from the battery modules.
Resumen de: WO2025075337A1
Disclosed are a battery diagnosis apparatus and a battery diagnosis method. The battery diagnosis apparatus according to the present invention comprises: a processor for controlling a stimulus application device to intermittently apply a second electrical stimulus greater than a first electrical stimulus to a target cell during a state change period; and a communication unit configured to obtain current time series data during the state change period and voltage time series data indicating a change history of a full cell voltage of the target cell at rest periods of the second electrical stimulus assigned to the state change period. The processor generates a measured full cell profile of the target cell on the basis of the current time series data and the voltage time series data, and analyzes the measured full cell profile to estimate a positive electrode loading amount of the target cell.
Resumen de: US2025118734A1
A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the negative electrode are provided. The negative electrode includes a first negative active material including a crystalline carbon negative active material, a second negative active material including a silicon-carbon composite; and a current collector between the first negative active material layer and the second negative active material layer.
Resumen de: US2025118731A1
An anode material, a preparation method thereof, and a lithium ion battery provided. The anode material includes a core and a coating layer arranged on at least part of a surface of the core, where the core includes porous carbon and active material filling in pore structure of the porous carbon, the porous carbon has a first pore structure with a pore size less than or equal to 2 nm and a second pore structure with a pore size greater than 2 nm, a ratio of a pore volume of the first pore structure to a total pore volume of the porous carbon is greater than or equal to 40%, and the second pore structure has a filling ratio greater than or equal to 95%. The anode material can effectively inhibit volume expansion and have advantages of high rate performance, a high capacity, and good cycling performance.
Resumen de: WO2025074693A1
Provided are a slit die head and a coating device which reduce thickness unevenness in a cross coating part extending in a crossing direction crossing a coating direction. This slit die head 20 for coating cross coating parts 71, 74 extending in a crossing direction B crossing a coating direction A by means of a coating liquid P discharged from a slit-like discharge port 24 comprises: a storage part 22 which is formed inside the slit die head 20 and stores the coating liquid P; and a roll 30 extending in the crossing direction B. The roll 30 includes: a trunk part 31 rotatably disposed in the storage part 22; an intersection groove 36 formed on a trunk surface 33 of the trunk part 31, extending in the intersection direction B, and having a shape corresponding to the cross coating parts 71, 74; an introduction port 34 which is formed on the trunk surface 33 and introduces the coating liquid P stored in the storage part 22; and a communication part 35 communicating the intersection groove 36 and the introduction port 34.
Resumen de: WO2025074835A1
A battery monitoring system (100) transmits/receives battery information by radio communication and thereby monitors a battery unit (20), said system comprising: radio devices (30, 40) for using a communication channel selected from among a plurality of communication channels to transmit/receive information by radio communication; and a storage device (44) for storing a channel map in which the availability of the plurality of communication channels is set. The radio devices are configured to update the channel map on the basis of communication results during radio communication, and store the updated channel map in the storage device. At the start of the radio communication, the radio device acquires the updated channel map stored in the storage device, and refers to the updated channel map to select the communication channel.
Resumen de: WO2025074694A1
A power storage module production method according to the present invention includes a step (S10) for preparing a module (1A) to be inspected and an inspection step (S20) for inspecting the airtightness of the module (1A) to be inspected. The inspection step (S20) includes a step (S201) for placing the module (1A) to be inspected in a vacuum chamber (CH), a step (S202) for reducing the pressure inside the vacuum chamber CH, and, after step (S202) or during step (S202), a step (S203, S204) for determining the airtightness of each of a plurality of power storage cells (C) on the basis of the deformation state of each of a plurality of frame sealing parts (41) of a film (40) of the module (1A) to be inspected.
Resumen de: WO2025074531A1
In a storage battery system 10 according to the present disclosure, a controller (140) compares the temperature of exhaust air supplied to an exhaust aisle, said temperature being outputted by an exhaust aisle temperature sensor (163), with an outside air temperature outputted by an outside air temperature sensor (160), determines whether to perform cooling with the exhaust air supplied to the exhaust aisle or to perform cooling by drawing in outside air, controls the amount of outside air from a cool aisle and the amount of exhaust air from the hot aisle by means of air conditioning equipment, and supplies the air to a power conversion unit (120).
Resumen de: WO2025075989A2
A method of processing a rocksalt material for δ phase transformation includes obtaining a synthesized disordered rocksalt (DRX) material; heating the DRX material to above a predetermined temperature; and electrochemically pulsing the DRX material over one or more predetermined voltage windows, and/or at one or more predetermined current density rates, for a predetermined duration.
Resumen de: US2025118820A1
The invention provides a method by which a valuable metal is recovered, in particular iron. A method for producing a valuable metal containing cobalt (Co), the method comprising: a preparation step in which a starting material that contains at least iron (Fe) and a valuable metal is prepared; a melting step in which a melt is obtained by heating and melting the starting material, and the melt is subsequently formed into a molten material that contains an alloy and slag; and a slag separation step in which the slag is separated from the molten material, thereby recovering the alloy containing the valuable metal. In the preparation step, the Fe/Co mass ratio in the starting material is controlled to 0.5 or less; and in the melting step, the Co content in the slag that is obtained by heating and melting the starting material is set to 1% by mass or less.
Resumen de: US2025118818A1
A battery charging system including a battery enclosure defining an interior space containing a battery storage medium, the interior space configured to house one or more battery cells; a charging terminal electrically coupled to the one or more battery cells and configured to receive electrical power from a power source to charge one or more battery cells; wherein the interior space is configured to be coupled to a pressurising device for applying pressure to the battery storage medium in the interior space; and wherein during charging of the one or more battery cells, the battery storage medium in the interior space is pressurised to cause an isostatic pressure to be applied to the one or more battery cells. A method of charging of charging one or more battery cells provided.
Resumen de: US2025118770A1
A system for a battery manufacturing process includes a housing defining a chamber adapted to receive an electrode substrate, a vacuum system fluidly coupled to the housing and operable to remove particles in the chamber via suction, and an induction dry-cool system including one or more coils provided in the chamber. The one or more coils are operable to heat the electrode substrate via induction during a dry operation and to reduce temperature of the electrode substrate during a cooling operation. The system further includes a control system configured to control the vacuum system and the induction dry-cool system during the dry operation and the cooling operation.
Resumen de: US2025118827A1
Disclosed in the present disclosure is an insulated battery pack, including a cell set, including a plurality of rows of cells; and an insulating member, provided with two insulating layers. The plurality of rows of the cells are provided on one of the insulating layers, the two insulating layers are provided opposite to each other, a hollow cavity is provided between the two insulating layers, the hollow cavity is filled with gas to form an air layer, so as to reduce thermal conduction between two opposite sides of the air layer.
Resumen de: US2025118814A1
A vehicle includes a battery management chip and a battery management system. The battery management chip comprises a battery cell data sampling module, a data processing module, a first communication module and a first power module. The battery cell data sampling module is used for acquiring battery cell data of a battery cell; the data processing module is connected to the battery cell data sampling module and used for processing the battery cell data; the first communication module is connected to the data processing module and used for sending the processed battery cell data to a control module; and the first power module is connected to the battery cell and the data processing module and used for receiving an initial voltage outputted by the battery cell, and performing boost processing on the initial voltage, so as to provide an operating voltage for the data processing module.
Resumen de: WO2025075339A1
A battery diagnosis apparatus and a battery diagnosis method are disclosed. The battery diagnosis apparatus according to the present invention comprises: a processor for controlling a stimulus application device to intermittently apply, to a target cell, a second electrical stimulus that is greater than a first electrical stimulus, during a state change period; and a communication unit for acquiring current time-series data during the state change period and voltage time-series data indicating a change history of a full cell voltage of the target cell in resting periods of the second electrical stimulus provided in the state change period. The processor generates a measurement full cell profile on the basis of the current time-series data and the voltage time-series data, and analyzes the measurement full cell profile so as to estimate a negative electrode participation end point.
Resumen de: WO2025075338A1
Disclosed are a battery diagnosis apparatus and a battery diagnosis method. The battery diagnosis apparatus according to the present invention comprises: a processor that controls a stimulus application apparatus to intermittently apply a second electrical stimulus, which is greater than a first electrical stimulus, to a target cell during a state change period; and a communication unit that obtains current time-series data during the state change period and voltage time-series data indicating a change history of a full cell voltage of the target cell during rest periods of the second electrical stimulus applied during the state change period. The processor generates a measured full cell profile on the basis of the current time-series data and the voltage time-series data and analyzes the measured full cell profile to estimate an anode loading amount.
Resumen de: WO2025075350A1
A degassing apparatus according to an embodiment of the present invention is an apparatus for degassing gas within a battery cell including an electrode assembly after an activation process of the battery cell, and may comprise: a degassing pretreatment unit provided to irradiate the battery cell with microwaves in order to vibrate and heat gas within the battery cell; and a degassing unit provided to, after the microwave irradiation, pierce a gas pocket of the battery cell and vacuum-suction the gas through the pierced portion.
Resumen de: WO2025075342A1
Disclosed are a battery diagnosis apparatus and a battery diagnosis method. The battery diagnosis apparatus according to the present invention comprises: a processor that controls a stimulus-applying device to intermittently apply a second electrical stimulus, greater than a first electrical stimulus, to a target cell during a state change period; and a communication unit that acquires time-series data of current during the state change period and time-series data of voltage indicating a history of changes in a full-cell voltage of the target cell during rest periods of the second electrical stimulus applied during the state change period. The processor generates a measured full-cell profile on the basis of the time-series data of current and the time-series data of voltage, and analyzes the measured full-cell profile to estimate an end point of positive electrode participation.
Resumen de: WO2025075592A2
The invention is a thermal management method for the effective cooling of vehicle batteries comprising multiple battery packs (60) in the outer housing (10) forming the case (C), characterized in that the temperature change in the case (C) is detected locally by at least one temperature sensor (30) under the control of at least one electronically operated control unit (20), and at least one cooling material (42) is moved in the magnetic field formed on multiple paths formed between the battery packs (60).
Resumen de: US2025114746A1
The present disclosure relates to systems and methods for electrically conductive membrane separation from a mixture solution via membrane nanofiltration, electro-filtration, or electro-extraction by: generating an electric field at the membrane filter, holding the membrane filter at a constant electric potential, or driving a constant current through the membrane filter; feeding a mixture solution through the membrane nanofiltration system; and separating a component from the mixture solution into a permeate solution.
Resumen de: US2025118767A1
A electrode and an electrochemical device comprising the same, and the electrode of the present disclosure comprises a current collector; a primer layer on all or some of at least one surface of the current collector; and an electrode active material layer on the current collector comprising the primer layer, wherein the electrode active material layer comprises granules, the primer layer comprises a binder and a conductive material, and a sum of amounts of the binder and the conductive material in the primer layer is 90 weight % or more.
Nº publicación: US2025113861A1 10/04/2025
Solicitante:
PHILIP MORRIS PRODUCTS S A [CH]
Philip Morris Products S.A
Resumen de: US2025113861A1
An aerosol-generating device is provided, including: a battery configured to supply power for heating, the battery including a cathode-anode, the cathode-anode including a cathode and an anode, the cathode and the anode being wound around a longitudinal direction to form a plurality of windings, at least one of the cathode and the anode being provided with at least two tabs, the at least two tabs being arranged in a distance from each other, and a number of the at least two tabs being less than a number of the windings. A method of operating an aerosol-generating device is also provided.
BOPI
Sede Electrónica
