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1369
resultados
Última actualización
21/08/2025 [07:15:00]
Resultados 50 a 75 de 1369
Resumen de: EP4604239A1
Provided is a non-aqueous electrolyte secondary battery provided with: a non-aqueous electrolytic liquid containing a sulfonylimide compound represented by General Formula (1) as an electrolyte salt and a carbonate-based solvent as an electrolyte solvent; a negative electrode containing, as a negative electrode active material, graphite having a peak area ratio (D/G ratio) of a D-band and a G-band analyzed by Raman spectroscopy of 0.7 or less, or graphite having a full-width at half-maximum of the G-band analyzed by Raman spectroscopy of 28 cm<sup>-1</sup> or less; and a positive electrode. (1): LiN(RSO<sub>2</sub>)(FSO<sub>2</sub>) (where R represents a fluorine atom, an alkyl group having 1-6 carbon atoms, or a fluoroalkyl group having 1-6 carbon atoms)
Resumen de: GB2638223A
A method for manufacturing a battery cell 16 comprises applying a carbon buffer layer 10 to a surface 13 of a current collector 24 as a coating process, wherein the current collector is an anode 22; and comprising interposing an electrolyte 12 between a cathode 14 and the anode, wherein the electrolyte is a solid electrolyte separator. A battery cell for a battery module manufactured according to the method is also claimed. The carbon buffer layer may be deposited on the current collector by Atomic Layer Deposition (ALD) or Physical Vapour Deposition (PVD). The carbon buffer layer may comprise carbon and a metal, preferably in the form of a Li-eutectic alloy, and may be amorphous. The carbon buffer layer is stated to enhance efficiency, reliability and lifespan of the battery cell by ensuring that lithium ions are deposited on the current collector uniformly by facilitating even distribution of the lithium ions.
Resumen de: EP4604194A1
The present application relates to an electrode assembly, a secondary battery, and an electrical apparatus. During the design process, the width of the negative electrode plate is designed to be greater than the width of the positive electrode plate. At the same time, the width difference between the negative electrode plate and the positive electrode plate is correlated with the extension ratio of the negative electrode plate, such that the upper limit value of the width difference between the negative electrode plate and the positive electrode plate does not exceed (4.5 - M1 × a). Thus, it can be seen that using the product of the extension ratio a and the width of the positive electrode plate as a subtractive term reduces the upper limit value of the width difference. Such a designed electrode assembly during cyclic charging and discharging will not experience excessive width of the portion of the negative electrode plate extending beyond the positive electrode plate due to extension of the negative electrode plate. This can effectively alleviate lithium plating within the overhang region between the negative electrode plate and the positive electrode plate, thereby enhancing the reliability of the secondary battery.
Resumen de: EP4604188A1
A secondary battery including a fine electrode pattern and a method of manufacturing the same. The secondary battery includes an electrode assembly having a positive electrode having a positive electrode active material coated on a positive electrode substrate, a negative electrode having a negative electrode active material coated on a negative electrode substrate, and a separator.
Resumen de: EP4604201A1
The present disclosure provides a positive electrode active material and a preparation method therefor, a positive electrode sheet, a battery and an electric device. The positive electrode active material comprises: a core; and a carbon coating layer which covers at least part of the surface of the core, the molar ratio of sp<sup>3</sup> hybridized carbon atoms to sp<sup>2</sup> hybridized carbon atoms in the carbon coating layer being not less than 0.5.
Resumen de: EP4603855A1
A battery diagnosis apparatus according to an embodiment disclosed herein includes an obtaining unit configured to obtain first voltage values of each of a plurality of battery units, an identifying unit configured to identify second voltage values in different idle periods from among the first voltage values, a determining unit configured to determine average voltage values of the different idle periods of each of the plurality of battery units, based on the second voltage values, and a diagnosing unit configured to diagnose an abnormality of each of the plurality of battery units, based on at least one deviation value among the average voltage values.
Resumen de: EP4604306A1
An electrode tab (30) includes a first tab body (310), a second tab body (320) facing the first tab body, a connection member (330) between the first tab body and the second tab body, and a buffer member (340) in at least one of the first tab body or the second tab body.
Resumen de: EP4604567A2
A camera calibration device includes a calibration board detachably mounted on an upper surface of a stack table (100) and to which a predefined calibration pattern is applied, a plurality of cameras (600) installed above the stack table (100), and a processor (700) connected to the plurality of cameras (600), wherein, if the calibration board is mounted, the processor (700) is configured to perform calibration on each of the plurality of cameras (600) based on calibration patterns of calibration board images obtained from each of the plurality of cameras (600).
Resumen de: EP4604247A1
The present invention provides a solid-state battery that more sufficiently suppresses an increase in interface resistance and a decrease in discharge capacity due to the use in a high-temperature environment. The present invention relates to a solid-state battery including: a positive electrode layer; a negative electrode layer; and a solid electrolyte layer disposed between the positive electrode layer and the negative electrode layer, in which the positive electrode layer includes a positive electrode active material having a layered rock salt type structure and an oxide having a garnet type structure, the positive electrode active material contains at least one of Mg (magnesium) or Al (aluminum), and the oxide does not contain Al (aluminum).
Resumen de: EP4604238A1
A battery material containing a solid electrolyte material and an ionic liquid, in which the solid electrolyte material contains an alkali metal element, a metal element or metalloid element except the alkali metal element, and a halogen element, and the ionic liquid contains an alkali metal ion as a cation.
Resumen de: EP4604246A1
A battery including a laminate composed of a positive electrode layer and a solid electrolyte layer, in which the positive electrode layer contains a positive electrode active material and a solid electrolyte material, the solid electrolyte material contains an alkali metal element, a metal element or metalloid element except the alkali metal element, and a halogen element, and when the laminate is punched into a cylindrical shape having a diameter of 10 mm to prepare a test piece and the test piece is sandwiched between two SUS plates and subjected to impedance measurement, a resistance value is 1000 Ω or less.
Resumen de: EP4604272A1
A heat exchange component, a box, a battery, and an electrical apparatus are provided. The heat exchange component applied to the battery includes a body. The body includes a plurality of chambers extending through the body in a second direction, the plurality of chambers being arranged along a first direction. The plurality of chambers comprise an edge chamber located at an end of the body in the first direction, and a non-edge chamber located at a side of the edge chamber toward a center of the body. A cross-sectional area of the edge chamber perpendicular to the second direction is smaller than that of the non-edge chamber perpendicular to the second direction, so as to reduce the capacity of a heat exchange medium in the edge chamber, thereby mitigating the problem that the reliability of the battery is reduced by short circuits in the battery caused by condensation of air moisture into droplets due to the excessively low temperature of the body at the edge chamber.
Resumen de: EP4604274A1
The present application relates to the technical field of batteries, and provides a battery and an electrical device. The battery comprises a battery pack, a first heat management component and a heat insulation member. The battery pack comprises a plurality of battery cells. In a first direction, the first heat management component is arranged on one side of the battery pack, and the first heat management component is configured to manage the temperature of the battery pack. In the first direction, the heat insulation member is arranged on the side of the first heat management component facing away from the battery pack. The heat insulation member is arranged on the first heat management component, and is located on the side of the first heat management component facing away from the battery pack in the first direction, so as to reduce heat exchange between the first heat management component and other components or the outside, such that the energy loss of the first heat management component can be reduced, thereby ensuring the heat management capability of the first heat management component on the battery cells; thus, the temperature of the battery cells can be effectively adjusted to reduce the temperature rise phenomenon of the battery cells, thereby improving the use performance of the battery and prolonging the service life of the battery.
Resumen de: EP4604265A1
A battery cell recycling device includes a workbench (101), an end surface tape processing module (102), and a termination tape processing module (103). The workbench is configured to carry the battery cell. The end surface tape processing module includes a first cutter assembly (2). The first driving member of the first cutter assembly is configured to drive the first cutter (21) to move to cut end surface tapes. The termination tape processing module includes a separator lifting assembly (3) configured to lift the large surface separator and a second cutter assembly (4). The second driving member (42) of the second cutter assembly is configured to drive the second cutter (41) to move in a first direction to cut off the large surface separator.
Resumen de: EP4603851A1
A self-discharge screening method for lithium-ion batteries, a self-discharge screening apparatus for lithium-ion batteries, and an electronic device. A single batch screening objects of the method include batteries to be screened placed in a plurality of trays. Each tray is placed with a plurality of the batteries to be screened. In a screening process, voltage drops per unit time of a plurality of batteries to be screened are measured (S101), and voltage drop screening thresholds of the plurality of trays are determined according to the voltage drops per unit time of the batteries to be screened in the tray (S102).
Resumen de: EP4604312A1
A battery cell, a battery, and a power consuming device are provided. The battery cell includes: an electrode assembly (21); an electrode terminal (41), electrically connected to the electrode assembly (21); a housing (30), configured to accommodate the electrode assembly (21), where the housing (30) includes a wall portion (301) and a fixing structure (50), and the fixing structure (50) is fixedly arranged on the wall portion (301) and configured to fix the electrode terminal (41); an insulating member (42), arranged between the fixing structure (50) and the electrode terminal (41); and an insulating protection member (60), at least partially covering an outer surface of the fixing structure (50), where the insulating protection member (60) includes an insertion portion (62), and at least a part of the insertion portion (62) is inserted between the fixing structure (50) and the insulating member (42). By arranging the insulating protection member (60), the outer surface of the fixing structure (50) is insulated and protected; and the insertion portion (62) is inserted between the fixing structure (50) and the insulating member (42), so that a creepage distance between the electrode terminal (41) and the fixing structure (50) is increased, and an external conductive member can be better prevented from being inserted between the fixing structure (50) and the electrode terminal (41), thereby reducing a short circuit risk.
Resumen de: EP4604260A1
A method of manufacturing a cell test apparatus, the method comprising, determining by analyzing heat generated from a battery module including a plurality of cells, a thickness of a thermal-insulation layer of the cell test apparatus simulating the battery module and including one or more target cells therein, determining by analyzing a structure of the battery module, a thickness of an outer wall of the cell test apparatus; and determining a length of a spacer of the cell test apparatus.
Resumen de: EP4603786A1
A measuring jig for a battery module that includes a support for disposing across the battery module, a plurality of fastening parts for fastening with a measuring instrument, and fixing plates for connecting to the support and to support the measuring jig on the battery module.
Resumen de: EP4604218A1
The present application provides a polymer, electrode plate and related battery cell, battery and electrical device. The polymer satisfies: 5 ≤ m/n ≤ 1000, in which n represents a mass of the polymer, in grams, and m represents a mass, in grams, of the first substance that is obtained by steps of adding the polymer to a first solvent at a first temperature to form a polymer system, allowing the polymer system to stand for 8 hours at the first temperature and for ≥24 hours at a second temperature; and then filtering the polymer system through a 200-mesh screen, to obtain remains on the screen as the first substance and wherein the first temperature is higher than the second temperature. When polymer is applied to battery cells, it can improve the cycle performance of the battery cells.
Resumen de: EP4604294A1
A battery pack of the present disclosure includes at least one cell assembly including a plurality of battery cells; an enclosure that accommodates the cell assembly and has an insertion portion provided in a form where an outer surface thereof is recessed in an inward direction along a longitudinal direction; and a rod-shaped reinforcing member inserted into the insertion portion.
Resumen de: EP4603253A1
A molding apparatus according to an embodiment of the present invention may mold a cup part in a pouch film. A molding apparatus may include: a die in which a first opening is defined; a stripper disposed to fix the pouch film, above the die and having a second opening at a position corresponding to the first opening; an upper punch configured to press the pouch film through the second opening; and a lower punch configured to press the pouch film through the first opening between an outer circumference of the upper punch and an inner circumference of the second opening.
Resumen de: WO2025120538A1
The invention relates to a cooling device (10) for a pouch cell (100d) of an electric-battery module (100), the device (10) comprising an electrically insulating strip (11) equipped with slots (2a, 2b, 2c, 2d, 2e, 2f, 2g) traversed by an electrode (4d), the device (10) comprising at least one metal flange (1d) arranged between two of the slots (2d, 2e) and comprising a surface covered by a thermal interface material (3d) for thermally connecting the metal flange (1d) to a plate (110) of the electric-battery module (100), the plate being capable of being thermally regulated actively. The invention also relates to an electric-battery module (100) comprising the cooling device (10), an electric battery (100), an electric battery comprising the module (100) and a method for manufacturing the cooling device (10).
Resumen de: EP4604230A1
A secondary battery includes an electrode assembly, a subplate connected to the electrode assembly. The secondary battery also includes current collector having a planar portion coupled to the subplate, a protruding portion protruding from the planar portion, and a projection provided on a top surface of the protruding portion. A terminal plate is coupled to the current collector and a hole is formed in the terminal plate, wherein the projection extends through the hole.
Resumen de: EP4604277A1
A secondary battery comprises an electrode assembly, a case accommodating the electrode assembly, a subplate assembly coupled to a first side of the electrode assembly, and a cap assembly coupled to the subplate assembly. The subplate assembly comprises a subplate connected to the electrode assembly and a current collector coupled to the subplate, and the case comprises a bottom portion, a side portion connected to the bottom portion, and a cover facing the bottom portion. The cover is welded to the side portion of the case.
Nº publicación: EP4604308A1 20/08/2025
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Resumen de: EP4604308A1
A secondary battery comprises an electrode assembly, a subplate assembly including a subplate connected to the electrode assembly and a current collector coupled to a surface of the subplate, and a cap assembly coupled to the subplate assembly. The cap assembly comprises a cap plate and at least one open area is formed in the cap plate such that a portion of the subplate is uncovered by the cap plate.
BOPI
Sede Electrónica
