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1724
resultados
Última actualización
24/03/2026 [07:20:00]
Resultados 1250 a 1275 de 1724
Resumen de: EP4708504A1
The present invention provides a structure of a battery module including: a cell stack wherein a plurality of battery cells are stacked in widthwise direction, each of the plurality of battery cells having a pair of electrode leads protruding in upward direction; a frame having an open upper portion and accommodating the cell stack; and a resin having an insulating property and filling at least a portion of a space between the cell stack and the frame, and also provides a method of manufacturing the same.
Resumen de: EP4708503A1
The present invention provides: a structure of a battery module comprising: a plurality of battery cells stacked in widthwise direction, each of the plurality of battery cells having a pair of electrode leads protruding in upward direction; a frame having an open upper portion and accommodating the cell stack; and a resin having an insulating property and filling at least a portion of a space between the cell stack and the frame; and a method of manufacturing the same.
Resumen de: EP4708489A1
The present application provides a button battery. The button battery comprises: a first substrate, a first annular wall, and a sealing member. The first annular wall is arranged around a periphery of the first substrate and forms an accommodating cavity with the first substrate, and at least a part of the sealing member is located on a side, away from the accommodating cavity, of the first annular wall. A second housing includes a second substrate and a second annular wall. The second substrate is configured to cover and seal the accommodating cavity, and the second annular wall is connected to a periphery of the second substrate.
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: EP4708387A1
The present invention relates to a positive electrode active material including a lithium composite transition metal oxide in a form of a single particle; and a coating portion formed on a surface of the lithium composite transition metal oxide, wherein the coating portion includes a first coating portion; and a second coating portion, wherein the first coating portion is in a form of a discontinuously formed island, and the second coating portion is in a form of a continuously formed coating layer, wherein the first coating portion has a concentration gradient in which an amount of boron (B) decreases and an amount of cobalt (Co) increases from a surface thereof toward a center of a positive electrode active material particle, and the amount of the boron (B) among total metals excluding lithium in the positive electrode active material is in a range of 0.1 mol% to 1.25 mol%, and a positive electrode and a lithium secondary battery which include the same.
Resumen de: EP4708386A1
The present invention relates to a positive electrode active material capable of improving performance of a lithium secondary battery, the positive electrode active material including a lithium composite transition metal oxide in a form of a single particle; and a coating portion provided on the lithium composite transition metal oxide, wherein the coating portion comprises a first coating portion and a second coating portion, wherein the first coating portion is in a form of a discontinuously formed island, and the second coating portion is in a form of a continuously formed coating layer, wherein the first coating portion comprises boron (B) and optionally comprises at least one coating element selected from the group consisting of Co, Al, Ba, Ce, Cr, F, Mg, V, Ti, Fe, Zr, Zn, Si, Y, Nb, Ga, Sn, Mo, W, P, S, Sr, Ta, La, and Hf, the second coating portion comprises a compound having a composition represented by Formula 1 or 2 set forth in the specification, and an amount of boron (B) among total metals excluding lithium in the positive electrode active material is 0.1 mol% to 1.25 mol%, a method for preparing the positive electrode active material, and a positive electrode and lithium secondary battery including the positive electrode active material.
Resumen de: EP4708374A1
The present invention relates to a positive electrode active material capable of improving performance of a lithium secondary battery, the positive electrode active material including: a first lithium composite transition metal oxide in a form of a single particle; and optionally a second lithium composite transition metal oxide in a form of a single particle, wherein the first lithium composite transition metal oxide in the form of a single particle includes 30 or less disk-type primary particles, wherein each of the disk-type primary particles is a primary particle observed from a scanning electron microscope (SEM) image of a surface or cross section of the positive electrode active material, wherein, when an imaginary tangent line with the most contact points is drawn to each of two boundary lines of the primary particle present within an angle of 45° or less based on a long diameter direction and one imaginary line crossing the two tangent lines is drawn, interior angles of same side are at least 150° and at most 210°, and an aspect ratio of (major axis/minor axis) is 1.5 or more, wherein the positive electrode active material includes the first lithium composite transition metal oxide in an amount of 20 vol% to 100 vol% based on a total volume of the positive electrode active material, a method for preparing the positive electrode active material, and a positive electrode and lithium secondary battery including the positive electrode active material.
Resumen de: CN121039819A
The invention relates to a method for preparing a positive electrode undercoat layer, which combines two polyacrylic acid binders of different molecular weights and carbon particles. The invention also relates to a composition suitable for use in said method and to a positive electrode useful in the manufacture of a rechargeable battery cell.
Resumen de: WO2024231297A1
The present invention pertains to a binder for Li-ion battery positive electrode, to a method of preparation of said electrode and to its use in a Li-ion battery. The invention also relates to the Li-ion batteries manufactured by incorporating said electrode.
Resumen de: EP4708523A2
A battery module (100) includes: a plurality of battery cells (110) arranged in parallel in a first direction; a housing (130, 135, 170) accommodating the plurality of battery cells; and a fire-extinguishing pipe (120) in the housing and extending in the first direction. The fire-extinguishing pipe includes a plurality of metal knitting yarns (125) between an inner surface (121) and an outer surface (123) of the fire-extinguishing pipe, and the plurality of metal knitting yarns extend in the first direction and are spaced apart from one another in a circumferential direction of the fire-extinguishing pipe.
Resumen de: EP4708453A2
A battery recycling system (1) includes: a discharging device (11) configured to discharge a secondary battery (TG) to be recycled; a primary crushing device (12) configured to crush a case of the secondary battery that has been discharged to cause an electrode material of the secondary battery to be exposed; an electrolytic solution recovery device (13) configured to heat the secondary battery under a reduced-pressure environment to recover an electrolytic solution contained in the electrode material; a secondary crushing device (14) configured to further crush the secondary battery whose electrolytic solution has been recovered; a sorting device (15) configured to sort crushed objects of the secondary battery crushed by the secondary crushing device (14); and an adjustment device (16) configured to adjust an atmosphere in each of the primary crushing device, the electrolytic solution recovery device, the secondary crushing device, and the sorting device to an N2 atmosphere.
Resumen de: EP4708556A1
Problem A technique is disclosed that enables prevention of a problem in which an electrolytic solution leaks out from an injection hole.Solution A cell container 11A of a battery cell 10A of the present embodiment includes: an injection hole 22 including a check valve mechanism 20A configured to allow injection of an electrolytic solution 91 into the cell container 11A and prevent outflow; and a valve-opening operation portion 27 provided in the check valve mechanism 20A and configured to bring the check valve mechanism 20A into an open state by applying an external force other than a fluid pressure.
Resumen de: EP4708530A1
The present application provides a battery cell, a battery and an electrical device. The battery cell includes a shell and a pressure relief component; the shell includes a first wall portion; the pressure relief component is arranged on the first wall portion, and includes a first surface and a second surface which are oppositely arranged in the thickness direction of the first wall portion; the pressure relief component is provided with a first groove which is recessed from the first surface toward the second surface, the first groove defines at least one predetermined pressure relief region, and the pressure relief component is configured to be capable of rupturing along at least part of the first groove when the battery cell is subjected to pressure relief; and the width of the first wall portion is W, the sum of the areas of all predetermined pressure relief regions is S, and W and S meet: 10mm≤W≤100mm, 300mm<2>≤S≤1500mm<2>, which is conducive to prolonging the service life of the battery cell and improving the operational reliability of the battery cell.
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: EP4708521A1
A battery cell (20), a battery, and an electric apparatus are provided. The battery cell (20) includes: a housing (22), where the housing (22) forms an accommodating space; an electrode assembly (21), where the electrode assembly (21) is disposed within the accommodating space; a top cover (23), where the top cover (23) is connected to the housing (22) and covers the accommodating space, the top cover (23) is provided with a protrusion (231), the protrusion (231) is located within the accommodating space, and the protrusion (231) is configured to shield between the electrode assembly (21) and at least a portion of the connection at which the top cover (23) is connected to the housing (22). By providing the protrusion (231) on the top cover (23), cooperation between the protrusion (231) and the housing (22) can block laser or falling particles during welding, and prevent laser or particles from entering the accommodating space and thus causing damage to the electrode assembly (21).
Resumen de: EP4708384A1
The present invention relates to a method of preparing a positive electrode slurry composition, which includes steps of (S1) adding a positive electrode active material, a conductive agent, a binder, and a non-aqueous solvent to a mixer and mixing to prepare a mixture having a solid content of greater than 60 wt% and a temperature of -20°C to 45°C; (S2) cooling the mixture to -30°C to 15°C to prepare a positive electrode slurry composition precursor; and (S3) maintaining a temperature of the positive electrode slurry composition precursor to prepare a positive electrode slurry composition having a V<sub>72</sub> of 0% to 50%, wherein V<sub>n</sub> is a viscosity increase rate when the temperature of the positive electrode slurry composition precursor is maintained for n hours, and the viscosity increase rate is represented by Equation 1 described in the present specification, and a method of preparing a positive electrode.
Resumen de: EP4708383A1
The present invention relates to a method of preparing a positive electrode slurry composition, which includes steps of (S1) mixing a positive electrode active material, a conductive agent, and a binder in a non-aqueous solvent to prepare a mixture having a solid content of greater than 60 wt%; (S2) cooling the mixture to -30°C to 15°C to prepare a positive electrode slurry composition precursor; and (S3) maintaining a temperature of the positive electrode slurry composition precursor to prepare a positive electrode slurry composition having a V<sub>72</sub> of 0% to 50%, wherein V<sub>n</sub> is a viscosity increase rate when the temperature of the positive electrode slurry composition precursor is maintained for n hours, and the viscosity increase rate is represented by Equation 1, and a method of preparing a positive electrode.
Resumen de: EP4708438A1
A monomer for an electrolyte according to embodiments of the present disclosure may include a first monomer represented by Formula 1 and a second monomer represented by Formula 2. A lithium secondary battery according to embodiments of the present disclosure may include a cathode, an anode, and an electrolyte layer, wherein the electrolyte layer may include a polymer derived from a compound represented by Formula 1.
Resumen de: EP4708432A1
The present disclosure relates to a porous organic-inorganic composite electrolyte membrane, an organic-inorganic composite electrolyte comprising the porous organic-inorganic composite electrolyte membrane, a secondary battery comprising the porous organic-inorganic composite electrolyte membrane, and a method for manufacturing the porous organic-inorganic composite electrolyte membrane, the porous organic-inorganic composite electrolyte membrane comprising an oxide-based inorganic electrolyte and a fluorine-based polymer matrix, wherein the oxide-based inorganic electrolyte is contained in the fluorine-based polymer matrix, and, in the X-ray photoelectron spectroscopy (XPS) analysis result of the surface, the ratio (S<sub>CO3</sub>/S<sub>Zr</sub>) of the area (SCO<sub>3</sub>) of a peak corresponding to CO3 in the C1s spectrum to the area (S<sub>Zr</sub>) of a peak corresponding to Zr3d<sub>5/2</sub> in the Zr3d spectrum is greater than 0 and less than or equal to 5.0.
Resumen de: US20260048671A1
A battery system for powering an electric vehicle can comprise a plurality of battery modules, each of the plurality of battery modules comprising a housing and a plurality of cells disposed within the housing. A plumbing arrangement include a straight tube disposed between adjacent modules in the plurality of modules. An anchor arrangement for each of the plurality of battery modules can facilitate various mounting configurations for each respective battery module. An exhaust system for the battery system can be reconfigurable with a 1:1 vent tube to module ratio. Custom adapters can be configured for mounting airframer exhaust systems to each of the plurality of battery modules.
Resumen de: TW202512562A
Provided herein are devices, systems, and methods for improving performance and lifetime of energy devices. In some embodiments, the present disclosure provides an acoustic module for improving energy device performance, the acoustic module comprising: at least one acoustic device configured to be operably coupled to an energy device, wherein the at least one acoustic device comprises (1) an acoustic wave generator configured to generate acoustic waves and (2) a housing enclosing the acoustic wave generator, wherein the housing is configured to be attached to an external surface of the energy device in a configuration that permits the acoustic waves to be streamed into the energy device; and at least one controller configured to control the at least one acoustic device to stream the acoustic waves into the energy device.
Resumen de: EP4708473A1
A secondary battery (1), battery pack (8), and an electronic apparatus (9) are provided. The secondary battery (1) includes an electrode assembly (20), a casing (101), an electrode post (40), a sealing rivet (411), and a welding mark (60). The electrode assembly (20) is accommodated in the casing (101), and one end of the casing (101) has an opening portion (107). An end portion (407) of the electrode post (40) away from the electrode assembly (20) protrudes from the casing (101) through the opening portion (107), and the end portion (407) of the electrode post (40) is provided with a groove (409). The sealing rivet (411) is matched and embedded in the groove (409). The sealing rivet (411) is welded and fixed to the electrode post (40) through the welding mark (60) located on a connection portion of the sealing rivet (411) and the end portion (407).
Resumen de: EP4708446A1
The present disclosure provides a battery cell detection system and a detection method thereof. The battery cell detection system includes: a conveying device (1) used to convey a battery cell to a gripping station; a first transfer device (2) disposed opposite to the conveying device (1) in a vertical direction, where the first transfer device (2) includes a first gripping mechanism (21) and a first moving mechanism (22) connected to each other, the first gripping mechanism (21) is used to grip the battery cell, and the first moving mechanism (22) is used to transfer the battery cell from the gripping station to a detection station and configured to move a portion to be detected of the battery cell to a predetermined position; and a detection device (3) disposed at the detection station, where the detection device (3) is used to detect the portion to be detected of the battery cell.
Nº publicación: EP4708419A1 11/03/2026
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Resumen de: EP4708419A1
The invention relates to device (400) and a method for manufacturing a secondary battery (100). The resulting secondary battery (100) includes an electrode assembly (110) including a side that extends in a first direction, a case (150) accommodating the electrode assembly (110), a lead tab (132_1, 134_1) protruding from the side of the electrode assembly (110), and a strip terminal (142, 144) connected to the lead tab (132_1, 134_1). The lead tab (132_1, 134_1) is bent in the first direction. The strip terminal (240) includes a first section (242) connected to the lead tab (230) and extending in the first direction, and a second section (244) connected to the first section (242) and bent in a second direction that intersects the first direction. An angle between the first section (242) and the second section (244) is 90 degrees or less.
BOPI
Sede Electrónica
