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1893
resultados
Última actualización
04/10/2025 [08:24:00]
Resultados 775 a 800 de 1893
Resumen de: EP4625666A1
A device of the present disclosure includes: a battery pack including a lower frame in which a battery module is accommodated and an upper cover for covering the lower frame; a device housing positioned on the battery pack; and a smoke control boundary wall disposed between the battery pack and the device housing.
Resumen de: EP4625682A1
Disclosed is an easily removable battery pack, and more particularly a battery pack including a battery cell having a first electrode and a second electrode; a first connector extending from the first electrode, and one side of the first connector being electrically connected to the first electrode; a first terminal connected to another side of the first connector; a second connector extending from the second electrode, and one side of the second connector being electrically connected to the second electrode; a second terminal connected to another side of the second connector; a third connector extending from the first connector, and one side of the third connector being connected to a part of the first connector; and a third terminal connected to another side of the third connector, wherein the third connector includes an electrostatic force load element.
Resumen de: EP4625578A2
The present invention provides an electrode assembly in which a negative electrode coated with a negative electrode active material on a surface of a negative electrode collector, a separator, and a positive electrode coated with a positive electrode active material on a surface of a positive electrode collector are repeatedly laminated, the electrode assembly comprising: monocells in which the positive electrode, the separator, the negative electrode, and the separator are laminated, wherein at least two or more monocells are laminated, wherein, in any one of the monocells, an expansion part extending lengthily to one side is formed on the separators, and the expansion part of the separator surrounds the monocells laminated to be disposed at the outermost layers to fix the laminated monocells.Furthermore, the present invention provides an electrode assembly in which a negative electrode coated with a negative electrode active material on a surface of a negative electrode collector, a separator, and a positive electrode coated with a positive electrode active material on a surface of a positive electrode collector are repeatedly laminated, the electrode assembly comprising: monocells in which the positive electrode, the separator, the negative electrode, and the separator are sequentially laminated, wherein at least two or more monocells are laminated, wherein each of the two or more monocells of the monocells comprises a positive electrode extension part, in which a positive
Resumen de: EP4625629A1
A secondary battery packaging film (10) includes a composite layer (11), a metal layer (14), and a protective layer (15). The metal layer (14) is disposed on a surface of the composite layer (11), and the protective layer (15) is disposed on a side of the metal layer (14) facing away from the composite layer (11). The composite layer (11) includes a first insulation layer (12) and a second insulation layer (13), along a thickness direction of the composite layer (11), the second insulation layer (13) is located between the metal layer (14) and the first insulation layer (12). A melting point of the second insulation layer (13) is greater than or equal to 250°C, and a thickness of the second insulation layer (13) is greater than or equal to 2 µm. A melting point of the first insulation layer (12) is less than or equal to 200°C.
Resumen de: EP4625667A1
The present application discloses a separator, a battery cell, a battery, and an electric device. The separator comprises a porous base material and a ferroelectric coating located on at least one surface of the porous base material. The ferroelectric coating comprises a ferroelectric material. The ferroelectric material comprises an inorganic ferroelectric and a ferroelectric polymer. The ferroelectric polymer comprises polyvinylidene fluoride and a copolymer thereof, the ferroelectric polymer comprises β-phase polyvinylidene fluoride, and the content of the β-phase polyvinylidene fluoride in the ferroelectric polymer is greater than or equal to 60%. The separator can slow the continuous growth of dendrites in a direction perpendicular to an electrode sheet, reduce internal short circuits of the battery and improve the reliability of the battery, and can further improve the coulombic efficiency and rate performance of the battery.
Resumen de: EP4624889A1
The present invention provides a battery pack moisture detection module including a case having a predetermined space inside thereof, a first dielectric formed on at least a part of an inner surface of the case, a second dielectric formed inside the case at a predetermined height from a lower surface of the case, and a moisture detection unit electrically connected to the second dielectric to detect moisture infiltrating into the case, a moisture detection device using the same, and a method of protecting the battery pack.
Resumen de: EP4625736A1
An energy storage system includes a battery, a first battery terminal and a second battery terminal to which the battery is connected, a first inverter terminal and a second inverter terminal to which an inverter is connected, a switch connected between the second battery terminal and the second inverter terminal, and protection circuitry configured to determine whether to open the switch based on a difference between a first voltage detected at the first inverter terminal and a second voltage detected at the second inverter terminal, the first voltage, and the second voltage.
Resumen de: EP4625664A1
Disclosed is a battery module and a vehicle including the same. The battery module includes a plurality of battery cells; and a module case configured to accommodate the plurality of battery cells and having a module venting portion for venting flame or gas, a cell venting portion is formed in the battery cell itself, and when the cell venting portion of the battery cell is ruptured, the cell venting portion and the module venting portion of the module case are communicated.
Resumen de: EP4625550A1
A negative electrode current collector and a preparation method therefor, a negative electrode plate, a lithium metal battery, and an electrical apparatus. The negative electrode current collector comprises a copper substrate and a plating layer arranged on the copper substrate, wherein the plating layer comprises a lithium-philic metal and a lithium-philic metal-copper alloy. The negative electrode current collector has good cycling stability, and can help to improve the cycling performance of the lithium metal battery when applied to the lithium metal battery.
Resumen de: EP4625317A1
The present application provides a method for determining an installation deviation of a camera and a visual detection compensation method. The camera is configured to capture an image of an object to be detected. When a deviation exists in the installation of the camera, the deviation will eventually be reflected in a captured image. In order to effectively determine the installation deviation of the camera relative to the object to be detected, the method for determining the installation deviation of the camera includes: fixing a calibration part onto the object to be detected, where the calibration part includes a base portion and a protruding portion protruding from the base portion, the base portion has a calibration plane adjacent to a root of the protruding portion, and the calibration plane has a first width; capturing an image of the calibration part by using the camera; determining a second width of a portion not blocked by the protruding portion of the calibration plane of the base portion in the image of the calibration part; and determining the installation deviation of the camera relative to the object to be detected according to the first width, the second width, and a height of the protruding portion protruding from the base portion.
Resumen de: EP4625715A1
Provided are a battery pack, a power tool, and a connection apparatus. The battery pack includes a battery pack body and a battery connection apparatus. The battery connection apparatus includes a device body and multiple battery connection terminals disposed on the device body and capable of at least transmitting electrical energy. Each of the multiple battery connection terminals is configured to have a cylindrical structure and is configured to withstand a maximum current of less than or equal to 400 A.
Resumen de: EP4625529A1
Disclosed is a positive electrode and a lithium secondary battery including the positive electrode, the positive electrode including a positive electrode active material and a carbonate-containing compound containing a fluorine-containing functional group in an active material layer. In a C 1s spectrum by X-ray photoelectron spectroscopy (XPS) analysis, intensities of peaks satisfy a certain ratio, and, since the positive electrode has excellent resistance characteristics and suppresses degradation, life characteristics may be improved. The lithium secondary battery has improved resistance characteristics, and since degradation of the positive electrode and negative electrode may be suppressed to prevent a sudden drop in capacity, life characteristics may also be improved.
Resumen de: EP4625661A1
This application discloses a battery pack cover, a battery pack, and a vehicle. The battery pack cover (100) includes: a first substrate (10), where a thickness of the first substrate (10) is a1, in mm, and a yield strength of the first substrate (10) is b1, in MPa; and a second substrate (20), where the second substrate (20) is a composite material plate, the second substrate (20) is located on a surface on a side of the first substrate (10), a thickness of the second substrate (20) is a2, in mm, and a tensile strength of the second substrate (20) is b2, in MPa, where the first substrate (10) and the second substrate (20) satisfy the following condition: 290 ≤ a1·b1 + a2·b2·c1 ≤ 1200, where c1 is a constant.
Resumen de: EP4625238A1
A process simulation system for a drying facility for drying an electrode plate of a rechargeable battery includes a process simulation device configured to perform a process simulation of the drying facility by using an artificial neural network-based simulation model. The simulation model may include a first artificial neural network configured to receive facility state data of the drying facility and predict fluid behavior in a fluid region of the drying facility from the facility state data, a second artificial neural network configured to receive the facility state data and predict a temperature in the fluid region, and a third artificial neural network configured to receive output from the first artificial neural network and the second artificial neural network, and predict a temperature on a boundary of the fluid region.
Resumen de: EP4625521A1
A positive electrode active material, a positive electrode, a sodium ion battery, a battery assembly, and an electric system are disclosed. The positive electrode active material meets the following conditions. The cross-section filling rate of the positive electrode active material ranges from 75% to 99%; the tap density of the positive electrode active material ranges from 1.5 g/cm<sup>3</sup> to 2.5 g/cm<sup>3</sup>; and the particle size discreteness K of the positive electrode active material ranging from 0.9 to 3.0, where K=(D90-D10)/D50. By defining the tap density, the cross-section filling rate, and the particle size distribution of the positive electrode active material in the above ranges, the compaction density of the positive electrode is improved, thus improving the volumetric energy density of the battery.
Resumen de: EP4624424A1
A positive electrode active material, a positive electrode, a sodium ion battery, a battery assembly, and an electric system are disclosed. The positive electrode active material meets the following condition. The compression resilience ε of the positive electrode active material ranges from 3% to 10%, where the compression resilience ε=1- (post-recovery compaction density/maximum compaction density). As a result, the material is promoted to maintain structural stability and integrity during the electrochemical process, thus greatly improving the cycle performance.
Resumen de: EP4625520A1
A positive electrode active material, a positive electrode, a sodium ion battery, a battery assembly, and an electric system are disclosed. The positive electrode active material meets the following conditions. The cross-section filling rate α of the positive electrode active material ranges from 75% to 99%; the compression resilience ε of the positive electrode active material ranges from 3% to 10%, where the compression resilience ε=1- (post-recovery compaction density/maximum compaction density); and the cross-section filling rate α and the compression resilience ε of the positive electrode active material meet 8≤α/ε≤30. The positive electrode active material provided in the present disclosure has high energy density and good cycle performance.
Resumen de: EP4625518A1
An electrode plate for rechargeable lithium batteries and a rechargeable lithium battery including the same are disclosed. The electrode plate for rechargeable lithium batteries includes a current collector and an active material layer on the current collector, wherein the active material layer includes an active material; and a crosslinked product of a binder and a crosslinking agent. The binder includes a polyimide based binder, and the crosslinking agent includes at least one of a diamine based compound, an amino alcohol based compound, and a dialcohol based compound.
Resumen de: EP4624126A1
ProblemTo provide a slitter device having a novel configuration that allows safe adjustment of a toe-in angle and can cut various sheet-like raw materials with high cut-edge quality.Solving MeansAn extension member 313 is pivotally attached to a raising/lowering body 316 of a knife holder 300 by a bolt 312. A helical gear 313A configured to mesh with a spur gear 314 is formed at a distal end portion of the extension member 313 opposite to a side where the extension member 313 is pivotally attached. The spur gear 314 is connected to an output shaft of a stepping motor 320 and is rotationally driven by the stepping motor 320. When the spur gear 314 is rotationally driven by the stepper motor 320, the extension member 313 and a knife cartridge attached thereto swing about a shaft of the bolt 312 via the helical gear 313A meshing with the spur gear 314. A rotation surface of the upper blade knife is rotated by this swinging, making it possible to change a toe-in angle.
Resumen de: EP4625510A1
The disclosure relates to an electrode assembly (100), a battery (200), and an electricity-consumption device (300). The electrode assembly (100) includes a negative electrode (110), a separator (120), and a positive electrode (130). The separator (120) is disposed on one side of the negative electrode (110), the separator (120) includes a substrate (121) and an adhesive layer (122), and the adhesive layer (122) is disposed on a surface of the substrate (121). The adhesive layer (122) includes first polymers (123), and the first polymers (123) are copolymers of vinylidene fluoride and hexafluoropropylene. The positive electrode (130) is disposed on one side of the separator (120) away from the negative electrode (110), and the positive electrode (130) includes a current collector layer (131) and an active material layer (132) that are stacked. The active material layer (132) is disposed on a surface of the current collector layer (131) and is disposed facing the adhesive layer (122). The active material layer (132) includes active particles (133) and second polymers (134). The second polymers (134) are particulate, the second polymers (134) are dispersed in the active particles (133), and the second polymers (134) are bonded with the first polymers (123).
Resumen de: EP4624271A1
Fixation system (7) for a battery pack (2) comprising a plurality of walls (2a, 2b, 2c) connected together to define a space (3) for housing at least one electrical battery (4), the space (3) extending along a longitudinal, transversal, vertical axis (A', B', C'),The fixation system (7) comprises a lever (8) provided with a first portion (8'), a second portion (8'') and a third portion (8‴) connecting together the first and second portions (8', 8''),the fixation system (7) comprising a releasable fixed connection (9) for connecting the second portion to one of said walls (2a, 2b, 2c) and a compensable length connection (15) for fixing the first portion (8') to an element (5) coupled to at least one electrical battery (4).
Resumen de: EP4625650A1
Battery pack for an electrically powered road vehicle; wherein the battery pack comprises: a plurality of planar electrochemical cells arranged in a pack along an axis A; a box-shaped support structure housing the cells; wherein each cell comprises two flat faces orthogonal to the axis A and a thickness s1 along the axis A progressively increasing during the life of the battery pack; wherein between each pair of adjacent cells there is a planar intermediate body in contact with the flat faces of the cells; wherein each planar intermediate body is configured to compress during the progressive increase in thickness s1 of the cells; wherein each planar intermediate body comprises a flat face orthogonal to the axis A contacting the flat face of a first cell of the pair of cells; wherein at least one of the planar intermediate bodies comprises portions with a differentiated thickness s2, s3 along the axis A.
Resumen de: EP4625649A2
A battery pack includes a battery cell stack in which a plurality of battery cells are stacked and battery cell junctions are disposed between the battery cells. Each of the battery cell junctions includes a first tape arranged to correspond to an edge of a surface of one of the battery cells and a second tape arranged to correspond to a central portion of the surface of the one of the battery cells. The first tape and the second tape form a single layer and are spaced apart from each other.
Resumen de: GB2639739A
battery charging system prevents or reduces deterioration of battery health due to fast charging. The battery charging system includes a battery 14 composed of one or more re-chargeable cells, a battery charging circuit 20 that controls a charging waveform supplied to the battery, and a detection circuit that detects a decrease in resistance of the battery at an AC signal frequency greater than or equal to 200Hz. The battery charging circuit controls the charging waveform responsive to an output of the detection circuit. In another battery charging system, the battery has multiple re-chargeable cells. The charging circuit apportions charging waveforms at the cells, and the detection circuit that detects a decrease in resistance of a cell at the AC signal frequency. The battery charging circuit and balancing circuit controls apportioning of the individual charging waveforms responsive to an output of the detection circuit.
Nº publicación: EP4625533A1 01/10/2025
Solicitante:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
Contemporary Amperex Technology Co., Limited
Resumen de: EP4625533A1
The present application relates to a positive electrode plate, a battery, and an electrical apparatus. The positive electrode plate comprises at least two active material layers, wherein two adjacent active material layers respectively comprise a first positive electrode active material and a second positive electrode active material; and under the same test condition, the maximum shrinkage rate of the first positive electrode active material during charging and discharging is T1, the maximum shrinkage rate of the second positive electrode active material during charging and discharging is T2, and T1 and T2 satisfy the following relationship: T1-T2≥0.3%. Compared with a single-layer positive electrode active material layer formed by directly physically mixing the first positive electrode active material and the second positive electrode active material, when T1-T2 of the first positive electrode active material and the second positive electrode active material is ≥ 0.3%, the positive electrode plate is provided to include at least two positive electrode active material layers, which can improve the deterioration of the conductive network of the active materials caused by the asynchronous changes of active materials with different shrinkage rates, thereby improving the dynamic performance of the battery.
BOPI
Sede Electrónica
