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1058
resultados
Última actualización
22/11/2025 [07:55:00]
Resultados 975 a 1000 de 1058
Resumen de: AU2023432067A1
Embodiments are disclosed related to a current collector comprising a porous, freestanding, three-dimensional structure and at least one current collector tab. The at least one tab and the three-dimensional structure are connected. The three- dimensional structure comprises at least one layer that is formed of a one-dimensional (1D) nanomaterial, a two-dimensional (2D) nanomaterial, or mixtures thereof, and wherein the nanomaterial in said layer is aligned towards the at least one tab.
Resumen de: EP4648153A1
Disclosed are an integrated terminal, a secondary battery including the same, and a method of manufacturing the same. The integrated terminal may include a terminal assembly including a terminal member disposed to adjoin a sub-plate electrically connected to an electrode assembly of a secondary battery and a terminal insulator surrounding a side of the terminal member and a cap insulator formed along a through hole in a cap plate coupled to a case accommodating the electrode assembly and in which the through hole into which the terminal assembly is inserted is formed. When the terminal assembly is inserted into the through hole, the terminal insulator and the cap insulator may adjoin one another. A welding groove may be formed in a portion at which the terminal insulator and the cap insulator adjoin each other. The terminal insulator and the cap insulator may be welded and coupled along the welding groove.
Resumen de: EP4648211A1
An integrated terminal includes: a terminal assembly including a terminal member configured to adjoin a sub-plate electrically connected to an electrode assembly of a secondary battery and a terminal insulator that surrounds a side of the terminal member; and a cap insulator extending along a through hole in a cap plate that is coupled to a case that accommodates the electrode assembly and in which the through hole into which the terminal assembly is inserted is formed. When the terminal assembly is inserted into the through hole, the terminal insulator and the cap insulator adjoin each other, and a reinforced material is inserted into at least one of the terminal insulator and the cap insulator.
Resumen de: EP4648164A1
A gel polymer secondary battery that can selectively permeate only lithium ions within a cell and maintain a state in which a heterogenous electrolyte is isolated. Thegel polymer secondary battery includes: a cathode impregnated with a catholyte containing a first gel polymer; an anode impregnated with an anolyte containing a second gel polymer; and an electrolyte layer interposed between the cathode and anode and including a third gel polymer. The third gel polymer content of the electrolyte layer is larger than the first gel polymer content of the cathode and the second gel polymer content of the anode.
Resumen de: EP4648194A1
A tamper-resistant battery pack, comprising: an edge beam (1); a cover body (2); and a bottom plate (3). A maintenance cover (4) is assembled on the bottom plate (3); first connecting structures (5) used for preventing the cover body (2) from being disassembled, a second connecting structure (6) used for preventing the bottom plate (3) from being disassembled, and a third connecting structure (7) used for preventing the maintenance cover (4) from being disassembled are provided on the inner side of the edge beam (1); the third connecting structure (7) is provided with an unlocking part (73); when the unlocking part (73) is not operated for unlocking, the maintenance cover (4) is locked by means of the third connecting structure (7), the cover body (2) is locked by means of the first connecting structures (5), and the bottom plate (3) is locked by means of the second connecting structure (6); and when the unlocking part (73) is operated for unlocking, the maintenance cover (4) is unlocked, so that the second connecting structure (6) in the edge beam (1) is operated to unlock the bottom plate (3), and the first connecting structures (5) in the edge beam (1) are operated to unlock the cover body (2).
Resumen de: EP4648199A1
A battery pack according to an aspect of the present disclosure includes: a plurality of battery cells; and a pack housing having an accommodation space configured to accommodate the plurality of battery cells, wherein the pack housing comprises: a side frame constituting a side wall of the accommodation space, having a gas passage therein, and having at least one window, which communicates with the gas passage, provided on a surface adjacent to the accommodation space; and a base frame constituting the bottom of the accommodation space and having at least one pocket configured to collect particles emitted from the plurality battery cells accommodated in the accommodation space.
Resumen de: CN120476511A
A battery housing is provided comprising a housing wall comprising an impermeable substrate and at least one aperture disposed in the impermeable substrate, the or each aperture extending from a first side of the impermeable substrate to a second side of the impermeable substrate, and the maximum width of the or each hole is 0.1 mu m to 100 mu m, and wherein the ratio of the carbon dioxide (CO2) transmission rate to the water vapor (moisture) transmission rate of the housing wall is at least 2 using the test method described herein.
Resumen de: EP4648172A1
The present invention relates to a cell test jig, and more particularly, to a cell test jig, which is capable of simulating an environment that is identical or similar to that in a battery module or a battery pack, so that even when testing one cell, results that are identical or similar to those obtained by testing the battery module or the battery pack may be obtained.A cell test jig used for testing a cell according to the present invention includes a first plate configured to cover one surface of the cell, a second plate configured to cover the other surface that is a surface opposite to the one surface of the cell, a heating pad disposed between the first plate and the second plate and disposed adjacent to one side surface of the cell, which is configured to connect the one surface and the other surface of the cell to each other, and a cooling plate disposed between the first plate and the second plate and disposed adjacent to the other side surface of the cell, which is a surface opposite to the one side surface of the cell.
Resumen de: EP4648195A1
A box assembly (11), which relates to the technical field of batteries. The box assembly (11) is used to accommodate a battery cell (12), the box assembly (11) comprising a box body (111), a bottom protective plate (112) and a thermal management component (113), and the box body (111) comprising a bottom plate (1113) used to support the battery cell (12). The bottom protective plate (112) is connected to the bottom plate (1113). At least a portion of the thermal management component (113) is disposed between the bottom plate (1113) and the bottom protective plate (112), the thermal management component (113) being used to adjust the temperature of the battery cell (12) by means of the bottom plate (1113). In this design, the thermal management component (113) is located outside the box body (111); when liquid leakage or corrosion perforation occurs to the thermal management component (113), this reduces the risk of thermal runaway of the battery cell (12) caused by contact between leaked liquid and the battery cell (12) when the thermal management component (113) is located in the box body (111), which causes insulation failure of the battery cell (12). Accordingly, the reliability of the battery during use is increased.
Resumen de: GB2640975A
smart cooling of a battery energy storage system (BESS). An example smart cooling controller (675) may include a weather forecaster (655), an energy cost forecaster (665), a state of charge forecaster (670), and a battery usage forecaster (660). The example smart cooling controller (675) may be configured to determine one or more times to cool the battery energy storage system based on a weather forecast, an energy cost forecast, a state of charge, and a battery usage forecast, and to control a cooling system to cool the battery energy storage system at the one or more times.
Resumen de: EP4647190A1
The present disclosure relates to a crimping apparatus for a battery cell, and the technical object to be achieved is to provide a crimping apparatus for a battery cell capable of improving the formation quality of a battery cell. To this end, the present disclosure provides a crimping apparatus for a battery cell, which includes a lower jig disposed around a circumference of a battery can, a first upper jig which descends to come into contact with the lower jig above the battery can and presses and moves the lower jig toward the battery can, and a second upper jig which is disposed inside the first upper jig, descends along with the first upper jig, and presses an end portion of the battery can downward to bend the end portion toward a cap assembly.
Resumen de: EP4648181A1
The present disclosure includes a battery module and a battery pack including the same. A battery module according to an embodiment of the present disclosure includes: a first sub-module and a second sub-module each including a battery cell stack in which a plurality of battery cells are stacked, and a busbar assembly including a busbar electrically connected to the battery cell stack and a busbar frame covering the battery cell stack on at least one side; a module frame in which the first sub-module and the second sub-module are housed; and a flame preventing member located between the first sub-module and the second sub-module, wherein one end of the first sub-module and the other end of the second sub-module are electrically connected to each other.
Resumen de: EP4648139A1
The present invention relates to: a conductive material dispersion comprising single-walled carbon nanotube (SWCNT) clusters, wherein the number average length of the SWCNT clusters is 0.8 µm to 8.0 µm, the number of the SWCNT clusters having a length exceeding 10 µm is no more than 15% of the total number of SWCNT clusters, the number average diameter of the SWCNT clusters is 5 nm to 30 nm, the number of the SWCNT clusters having a diameter exceeding 30 nm is no more than 15% of the total number of the SWCNT clusters, and the length and diameter of the SWCNT clusters are measured using atomic force microscopy (AFM); and an electrode comprising the SWCNT clusters. The present invention has the advantages of forming a conductive network well due to having excellent dispersibility, and thus being able to achieve excellent conductivity even in small amounts, having excellent processability due to the low viscosity of the dispersion, and being able to contribute to improved battery performance when the conductive material dispersion is applied to the electrode.
Resumen de: EP4648180A1
A heat exchanger (A), through which a fluid to be heat-exchanged with a battery mounted on a vehicle flows, includes: a plurality of heat exchange modules (1) each having a heat exchange flow path formed inside by overlapping and joining a plurality of metal plates, a supply port through which the fluid is sent to the heat exchange flow path, and a discharge port through which the fluid is sent out from the heat exchange flow path; a supply flow path module (2) joined to each of the plurality of heat exchange modules and configured to supply the fluid from the supply port of each of the plurality of heat exchange modules; and a discharge flow path module (3) joined to each of the plurality of heat exchange modules and configured to discharge the fluid from the discharge port of each of the plurality of heat exchange modules. In at least one of the supply flow path module and the discharge flow path module, a flow path through which the fluid flows is formed inside by overlapping and joining a plurality of metal plates.
Resumen de: EP4648173A1
A composition for insulating coating according to the present disclosure includes inorganic particles; a rubber-based binder; a fluorine-based binder; a dispersant; and a solvent, wherein the fluorine-based binder is included in an amount of 7 parts by weight or less with respect to 100 parts by weight of solid content excluding the solvent.The composition for insulating coating according to the present disclosure when applied to the current collector, has a thicker wet thickness, thereby suppressing the sliding phenomenon in which the slurry for electrode flows down, and has the effect of significantly reducing the sliding length of the electrode active material layer.
Resumen de: EP4648137A1
A positive electrode active material includes a first particle containing a compound represented by Formula 1 below and having a first average particle diameter, wherein a total doping amount of Mg and Ti is about 500 ppm to about 3000 ppm, and a doping amount of Ti/a doping amount of Mg>1: Formula 1 LiaFexMgyTizPO4-cwhere, in Formula 1 above, 0.8
Resumen de: EP4648122A1
A positive electrode and a rechargeable lithium battery including the positive electrode are disclosed. The positive electrode includes a positive electrode current collector, a first positive electrode active material layer provided on the positive electrode current collector and including a first positive electrode active material, and a second positive electrode active material layer provided on the first positive electrode active material layer and including a second positive electrode active material, wherein the first positive electrode active material includes a lithium iron phosphate-based compound, the second positive electrode active material includes a lithium cobalt-based oxide, and a weight ratio of the second positive electrode active material to the first positive electrode active material is about 40 to about 55.
Resumen de: EP4648201A1
Aspects of the present invention relate to a battery enclosure gas management system. The battery enclosure gas management system comprises a gas displacer arranged to drive venting of gas that surrounds at least one of one or more battery cells in a battery enclosure. The venting is to outside of the battery enclosure via an exit vent of the battery enclosure. The gas displacer is selectively activatable to drive the venting.
Resumen de: EP4648124A1
A secondary battery includes a negative electrode, a positive electrode, and an electrolyte, where the negative electrode includes a negative electrode current collector and a negative electrode mixture layer disposed on at least one surface of the negative electrode current collector. A thickness of the negative electrode mixture layer is T µm, the negative electrode mixture layer contains carbon nanotubes and silicon-based particles, an average particle size of the silicon-based particles is D µm, and 3.7 ≤ 10T/D<2> ≤ 24.9. The electrolyte includes a dinitrile compound and a trinitrile compound.
Resumen de: EP4648204A1
A battery pack according to an embodiment of the present disclosure includes: a plurality of battery cells; a pack case configured to accommodate the plurality of battery cells and having a venting unit configured to discharge gas generated from the battery cells to the outside; and a composite blocking member configured to cover at least a portion of the venting unit and block flame generated inside the pack case from being exposed to the outside.
Resumen de: EP4648151A1
A curved cell produced in a curved cell production jig is produced in a rounded shape having a specific curvature, and deformation of the curved cell occurs as the curved cell is repeatedly charged and discharged in a device equipped with the curved cell, and a curved secondary battery including an electrode support formed in an electrode assembly to prevent the deformation of the curved cell such that the curved cell can be operated without damage in a device that requires energy and a method of manufacturing the same are disclosed, wherein the shape of the curved secondary battery is maintained even after repeated charging and discharging.
Resumen de: EP4648200A1
Disclosed is a battery cell and a vehicle including the same. The battery cell includes an electrode assembly including a first electrode plate with a first polarity, a second electrode plate with a second polarity, and a separator interposed between the first electrode plate and the second electrode plate; an electrode lead connected to the electrode assembly; and a cell case configured to accommodate the electrode assembly and support the electrode lead and having a sealing portion and a non-sealing portion, and a cell venting portion for venting flame or gas is formed in the non-sealing portion of the cell case.
Resumen de: EP4648132A1
An anode active material for a lithium secondary battery according to the embodiments of the present disclosure includes composite particles comprising carbon-based particles and silicon-containing particles including silicon and hydrogen disposed on the surface of the carbon-based particles and an H/Si ratio of the composite particles, defined by Equation 2, is 0.5% to 5.3%.
Resumen de: EP4648142A1
Disclosed are composite substrates, and rechargeable lithium batteries including the composite substrates. A composite substrate includes a support layer, a first metal layer on a top surface of the support layer, and a second metal layer on a bottom surface of the support layer. The support layer includes a first polymer and a second polymer that are different from each other. A tensile strength of the second polymer is greater than a tensile strength of the first polymer. An elongation of the first polymer is greater than an elongation of the second polymer.
Nº publicación: EP4646755A1 12/11/2025
Solicitante:
KAUTEX TEXTRON GMBH & CO KG [DE]
Kautex Textron GmbH & Co. KG
Resumen de: WO2025201950A1
The invention discloses a battery housing component (10) for a traction battery for cooling at least one battery component (11), wherein the battery housing component (10) has a base part (20), which comprises a first plastic, a fibre-reinforced connecting part (30), which has a connecting-part inner surface (31) and a connecting-part outer surface (32), and a multilayer film (40), wherein the multilayer film (40) has a connecting surface (41) and a contacting surface (42), wherein the contacting surface (42) is designed for at least indirectly contacting the at least one battery component (11), wherein the fibre-reinforced connecting part (30) is arranged in a sandwich-like manner between the base part (20) and the multilayer film (40), wherein a base-part inner surface (21) of the base part (20) is integrally bonded to the connecting-part inner surface (31), and wherein the connecting surface (41) of the multilayer film (40) is integrally bonded to the connecting-part outer surface (32) of the fibre-reinforced connecting part (30) so as to form at least one cooling fluid channel (50), arranged between the multilayer film (40) and the connecting part (30), for conducting a cooling fluid by means of a connecting layer (60) made of a fibre-free thermoplastic.
BOPI
Sede Electrónica
