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1532
resultados
Última actualización
18/03/2026 [07:26:00]
Resultados 575 a 600 de 1532
Resumen de: EP4708393A1
An anode active material for a lithium secondary battery based on some embodiments of the disclosed technology includes composite particles that include: carbon-based particles including pores; and a silicon-containing coating formed on a surface of the carbon-based particles, wherein a weight increase start temperature of the composite particle, measured by thermogravimetric analysis (TGA) at a heating rate of 10 °C/min, is from 440 °C to 580 °C.
Resumen de: EP4707031A1
A battery system includes: a battery stack (150); a housing (101) that houses the battery stack (150) and that is installed in a vehicle; a first thermistor (102 to 112) that detects a first temperature of the housing (101); a second thermistor (114 to 120) that detects a second temperature in the housing (101); and a battery ECU (304) that compares a result of detection by the first thermistor (102 to 112) with a result of detection by the second thermistor (114 to 120) to determine whether a temperature increase in the battery stack is due to a change in an external environment of a battery pack (100) or due to a malfunction in a battery cell.
Resumen de: EP4708449A1
The present disclosure relates to a battery box having a structure that provides fire safety and enables multi-layer stacking. The battery box according to the present disclosure includes a first enclosure configured to accommodate a plurality of battery modules therein, a deflagration panel configured to rupture to allow flammable to be discharged from the first enclosure, when the flammable gas is generated in the first enclosure and pressure inside the first enclosure increases to a value greater than or equal to a threshold pressure, a first duct which has a lower end connected to the deflagration panel and an upper end connected to an exhaust port spaced a distance apart from the battery box and which guides the flammable gas discharged from the deflagration panel to the exhaust port, and a stacking support positioned on the first enclosure and configured to support a second enclosure stacked on the first enclosure.
Resumen de: EP4707052A1
Embodiments of the present disclosure provide an energy storage charging pile thermal management system and an energy storage charging pile. The system includes: a first liquid cooling loop in which a first cooling pipeline passes through a battery and a heat exchange module, where a first coolant in the first cooling pipeline is an insulating liquid or a non-insulating liquid; and a second liquid cooling loop in which a second cooling pipeline passes through a charging module and the heat exchange module, where a second coolant in the second cooling pipeline is an insulating liquid. The first cooling pipeline and the second cooling pipeline perform heat exchange through the heat exchange module. A charging converter is electrically connected to the battery, and a charging gun is electrically connected to the charging converter through a charging wiring harness. The charging module includes the charging gun and the charging wiring harness, the charging gun being electrically connected to the battery through the charging wiring harness; and the second cooling pipeline is disposed along the charging wiring harness and passes through the charging gun. In this way, in the event of coolant leakage caused by damage to the charging wiring harness, the use of insulating second coolant for cooling can reduce the occurrence of electrical leakage.
Resumen de: EP4707834A1
A battery diagnosis apparatus includes a voltage obtaining unit configured to obtain voltage information of each of a plurality of battery units included in each of a plurality of vehicles and a controller configured to calculate a cumulative voltage variance of each of the plurality of battery units, based on the voltage information, calculate at least one deviation that is deviation of cumulative voltage variances for each of the plurality of vehicles, and manage the plurality of battery units based on a distribution of the at least one deviation of the plurality of vehicles.
Resumen de: EP4708498A2
A battery pack includes a plurality of battery cells arranged adjacent to one another, ribs arranged respectively between battery cells of the plurality of battery cells, a frame connected to opposite end portions of the ribs and accommodating the plurality of battery cells together with the ribs, and an upper label attached to an upper surface of the frame, and the upper label includes at least one opening that is recessed from the frame in a direction toward the ribs, and the ribs each include a first region overlapping with the upper label, a second region located to correspond to the opening and having a thickness greater than a thickness of the first region, and a connection portion connecting the first region and the second region to each other.
Resumen de: EP4708492A1
A battery rack according to an embodiment of the present disclosure is for housing a battery, the battery rack comprising: a first sub-rack that includes a first column that is vertically erected, and includes a plurality of battery housing spaces formed along the first column, and a second sub-rack that includes a second column that is vertically erected, and includes a plurality of battery housing spaces formed along the second column, wherein the first sub-rack and the second sub-rack are arranged along the longitudinal direction of the battery rack, and wherein the first sub-rack and the second sub-rack have a structure with an opened upper end.
Resumen de: CN121079268A
The invention relates to a solid material obtainable by melt quenching a mixture of lithium sulfide, boron sulfide, boron oxide and a lithium halide to form a glassy solid suitable for use as a lithium ion conductive electrolyte. These sulfide-based lithium ion conductive solid electrolytes exhibit high ionic conductivity.
Resumen de: EP4706478A1
The present disclosure relates to a cleaner, more particularly, to a battery including a protrusion protruding toward one side from the battery body; and a button configured to selectively fix the battery body to the battery receiving part, and is capable of allowing easy operation of the button to release the handle, and allowing the button to be formed compact without protruding outward.
Resumen de: EP4707833A1
A battery management apparatus according to an embodiment disclosed herein includes a voltage measurement unit configured to measure a voltage of each of a plurality of batteries and a controller configured to calculate a first deviation, which is a deviation between a long moving average and a short moving average of a battery voltage for each of the plurality of batteries, calculate a second deviation, which is a deviation between a long moving average and a short moving average of an average voltage of the plurality of battery cells, and calculate a first diagnosis deviation between the first deviation and the second deviation for each of the plurality of battery cells, calculate an accumulative deviation by accumulating the first diagnosis deviation when the first diagnosis deviation of at least one of the plurality of batteries exceeds a threshold value, and diagnose at least one of the plurality of batteries as an abnormal battery, based on the accumulative deviation.
Resumen de: EP4708540A1
A separator for an electrochemical device includes a porous polymer substrate; a coating layer provided on at least one surface of the porous polymer substrate and including a first polymer binder and inorganic particles; and an adhesive layer provided on the coating layer and including a second polymer binder, in which the first polymer binder is a solution type binder, and a content of the first polymer binder included in a portion of the coating layer adjacent to the porous polymer substrate is greater than a content of the first polymer binder included in another portion facing away from the porous polymer substrate.
Resumen de: EP4708454A1
This application discloses a battery module, a battery pack, and an electrical device. The battery module comprises a shell, a cell assembly, and a first heat dissipation element. The cell assembly is disposed in the shell. The cell assembly includes a plurality of battery cells. Each battery cell includes a cell housing and electrode terminals extends out of the cell housing. The first heat dissipation element is provided with a first heat dissipation channel. The first heat dissipation channel communicates with the outside. The first heat dissipation element is provided with a first heat dissipation recess. The first heat dissipation recess accommodates at least one cell housing. A part of each cell housing is disposed in the first heat dissipation recess. In this application, by disposing the first heat dissipation recess on the first heat dissipation element and disposing a part of the cell housing in the first heat dissipation recess, the heat of a battery cell can be directly conducted to the first heat dissipation element. The heat is taken away through the first heat dissipation channel, thereby shortening the heat dissipation path. The first heat dissipation recess can increase the heat dissipation area of the first heat dissipation element, thereby improving the heat dissipation efficiency, simplifying the structure of the battery module, and facilitating assembling.
Resumen de: CN120826806A
The invention relates to a method for producing a battery cell (10), wherein the battery cell (10) has a housing. The battery cell (10) has an electrochemical cell arranged inside a housing having a first housing part (12). An electrically insulating first coating (14) is applied to at least the first housing part (12) before the electrochemical cell is introduced into the housing.
Resumen de: EP4707661A1
A gas protection system, a gas protection method, and an energy storage system are provided. The gas protection system (10) includes: a gas transmission pipe (11) in communication with a sealed cabinet (1), where the gas transmission pipe is configured to input and output a protective gas to and from the sealed cabinet; a first detection module (12) disposed in the gas transmission pipe; and a gas supply module (13) configured to acquire gas parameters of the protective gas in the gas transmission pipe from the first detection module and supply a gas to the sealed cabinet based on the gas parameters. The gas protection system can mitigate the issue of thermal runaway in the sealed cabinet.
Resumen de: EP4708385A1
A secondary battery positive electrode material, relating to the field of battery materials. The secondary battery positive electrode material comprises large particles with a particle size greater than or equal to 2 µm and small particles with a particle size smaller than or equal to 1 µm. The surfaces of some of the small particles are provided with a carbon coating layer; and the surfaces of some of the large particles are not provided with a carbon coating layer. According to the positive electrode material, by means of gradation design of the large and small particles, the effect that the small particles fill gaps left by accumulation of the large particles can be achieved, and then the compaction density is improved. Moreover, the surfaces of the small particles are coated with a carbon layer to provide sufficient electron transport paths, so that a stable electron pathway for the large particles wrapped by the small particles can be maintained in a charge and discharge cycle. Additionally, the surfaces of the large particles with the particle size larger than or equal to 2 µm are not hindered by a carbon coating layer, so that the wetting capacity of an electrolyte to the electrode sheet can be improved, and faster transmission of lithium ions at an interface can be realized, thereby reducing the impedance in a charge and discharge process.
Resumen de: GB2643975A
A method of forming a thermal management sheet for a battery including cured polyurethane foam, the method including combining an active hydrogen-containing component including a polyol and an isocyanate component including a polyisocyanate to form an uncured polyurethane foam; and curing the uncured polyurethane foam to form the cured polyurethane foam, wherein the uncured polyurethane foam includes, based on a total weight of the uncured polyurethane foam, 3 to 68 weight percent of sodium borate, 0.1 to 7 weight percent of surfactant, and 0.001 to 9 weight percent of catalyst, wherein the cured polyurethane foam has a density of 12 to 35 pounds per cubic foot, and wherein the cured polyurethane foam has a thickness of 1 to 30 millimeters.
Resumen de: EP4708436A2
Interfacial films, which are both electronic conducting and ion conducting, for anode films are provided. The one or more protective films described herein may be mixed conduction materials, which are both electronic conducting and ion-conducting. The one or more protective films described herein may include materials selected from lithium transition metal dichalcogenides, Li<sub>9</sub>Ti<sub>5</sub>O<sub>12</sub>, or a combination thereof. The lithium transition metal dichalcogenide includes a transition metal dichalcogenide having the formula MX<sub>2</sub>, wherein M is selected from Ti, Mo, or W and X is selected from S, Se, or Te. The transition metal dichalcogenide may be selected from TiS<sub>2</sub>, MoS<sub>2</sub>, WS<sub>2</sub>, or a combination thereof. The lithium transition metal dichalcogenide may be selected from lithium-titanium-disulfide (e.g., LiTiS<sub>2</sub>), lithium-tungsten-disulfide (e.g., LiWS<sub>2</sub>), lithium-molybdenum-disulfide (e.g., LiMoS<sub>2</sub>), or a combination thereof.
Resumen de: EP4708515A2
Disclosed is a battery module with reinforced safety. The battery module includes a plurality of battery cells stacked in at least one direction; a module case configured to accommodate the plurality of battery cells in an inner space; and a heat dissipation member interposed between at least some of the plurality of battery cells and configured to at least partially contact the module case and transfer heat generated from the plurality of battery cells to the module case.
Resumen de: EP4706785A2
A fire monitoring apparatus according to an embodiment of the present disclosure is a device for monitoring a fire in an energy storage system, and includes a fire level determination unit configured to receive a smoke detection signal from a smoke sensor provided inside the energy storage system and determine a fire level according to the number of smoke sensors that detect the smoke; and a control unit configured to control an operation of at least one of an air conditioning unit, a fire extinguishing unit, a watering unit and a ventilation unit for the energy storage system as a fire suppression measure corresponding to the determined fire level.
Resumen de: EP4708429A2
The present technology relates to a positive electrode for a lithium secondary battery, and the positive electrode includes: a first positive electrode mixture layer contacting a positive electrode current collector; and at least one second positive electrode mixture layer arranged on the first positive electrode mixture layer. Herein, the first positive electrode mixture layer includes a first positive electrode active material and a first binder, and the second positive electrode mixture layer includes a second positive electrode active material and a second binder. Further, an average particle diameter (D<sub>50</sub>) the first positive electrode active material is smaller than an average particle diameter (D<sub>50</sub>) of the second positive electrode active material and is equal to or less than 3µm, and a specific surface area(BET) of the first positive electrode active material is equal to or greater than 3m<sup>2</sup>/g.
Resumen de: EP4708491A2
A battery module includes a buffer pad for preventing a damage to a battery cell, and a battery pack including the battery module. It is possible to prevent a damage to the outermost battery cell at the time of the swelling of battery cells by including a buffer pad, where first and second regions having different physical properties are positioned, in a region contacting the outermost battery cell of the battery cell laminate.
Resumen de: EP4708423A1
A secondary battery (100) is provided, including an electrode assembly (120) which includes a negative pole sheet (11), a first separator (12), a positive pole sheet (13), and a second separator (14). The negative pole sheet (11) includes a negative coated area (211) and a negative tab (311) protruding from the negative coated area (211). The positive pole sheet (13) includes a positive coated area (213) and a positive tab (313) protruding from the positive coated area (213). A direction from the negative tab (311) to the positive tab (313) is a height direction (H). Along the height direction (H), an upper end of the negative coated area (211) overhangs an upper end of the positive coated area (213). Along a direction away from the height direction (H), a lower end of the negative coated area (211) overhangs a lower end of the positive coated area (213).
Resumen de: EP4708538A1
A separator includes a base film and a first coating disposed on a surface of the base film to face one side of a positive electrode. The first coating includes an organic cyanide with a first functional group. The first functional group includes at least one of a cyano group, an isocyano group, an isocyanate group, or a melamine compound. The first functional group of the first coating has a molar concentration of M fmol/µm<3>, where 0.1 ≤ M ≤ 30. The secondary battery provided by this application has a high energy density and also has good thermal safety, high-temperature cycle performance and high-temperature storage performance.
Resumen de: EP4708396A1
A solid electrolyte material (3) configured to suppress a decrease in ion conductivity, the solid electrolyte material comprising a polymer electrolyte, an inorganic filler and succinonitrile, the polymer electrolyte comprises an anionic polymer.
Nº publicación: EP4708433A1 11/03/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4708433A1
The present invention relates to a composite solid electrolyte membrane, a method of preparing same, and an all-solid-state battery comprising same. The composite solid electrolyte membrane comprising: a solid electrolyte membrane comprising a solid electrolyte and a binder; and an ionic liquid, wherein the solid electrolyte membrane comprises a plurality of pores, the ionic liquid is impregnated in the plurality of pores, and the anion of the ionic liquid is (CF<sub>3</sub>SO<sub>2</sub>)<sub>2</sub>N<sup>-</sup>.
BOPI
Sede Electrónica
