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1601
resultados
Última actualización
20/03/2026 [07:15:00]
Resultados 150 a 175 de 1601
Resumen de: EP4712222A1
The disclosure provides a cylindrical battery (100), a pack (1002), and an electronic device (1000). The cylindrical battery (100) includes a housing (200) having an opening (205) at one end in a height direction (Hd) of the cylindrical battery (100); an electrode assembly (120) located in the housing (200) and having a winding center hole (120c); a cover plate (220) covering the opening of the housing (200) and having an explosion-proof valve region (222) formed by being surrounded by explosion-proof valves (350). The winding center hole (120c) is located within a range of an orthogonal projection of the explosion-proof valve region (222) of the cover plate (220) in the height direction (Hd). The winding center hole (120c) has a diameter D1, a partial region of the cover plate (220) has a diameter D2, and 35%≥D1/D2≥10%.
Resumen de: EP4712173A1
Provided is a composite substrate for a rechargeable lithium battery that includes a support layer including a polymer film, and a metal layer disposed on the support layer and including at least any one of copper, copper oxide, or a combination thereof, wherein the metal layer includes a first metal layer disposed on a surface of the support layer and including an adhesion enhancer and a first copper, and a second metal layer disposed on the first metal layer and including a second copper, and the adhesion enhancer includes a first moiety chemically bonded to the surface of the support layer and including a hydroxyalkylene group, and a second moiety including an amine group configured to adsorb the first copper.
Resumen de: EP4712169A1
An electrolyte for a lithium secondary battery according to exemplary embodiments includes an additive including a compound having a specific structure, an organic solvent and a lithium salt. Accordingly, a lithium secondary battery including the electrolyte for a lithium secondary battery exhibits improved low-temperature properties and high-temperature stability.
Resumen de: EP4712153A1
Examples of the disclosure include an electrode substrate for a rechargeable lithium battery, an electrode and a rechargeable lithium battery including the electrode substrate, and a method for manufacturing the electrode. The electrode substrate for a rechargeable lithium battery includes a first metal layer including a first metal; an insulating layer on the first metal layer and including a polymer; and a second metal layer on the insulating layer and including a second metal. The insulating layer has an interconnected pore structure and is divided into a first region and a second region, and the first region further includes a third metal that substantially fills the interconnected pore structure within the insulating layer.
Resumen de: EP4712158A1
A solid-state battery (100) has a first collector (110), a first electrode layer (111), an electrolyte layer (120), a second electrode layer (131) and a second collector (130), in that order, wherein the first collector (110) includes a resin layer (112) that contacts the first electrode layer (111), the first electrode layer (111) contains an electrode active material, and the electrode active material has an active material resin.
Resumen de: EP4712184A2
An apparatus (10) for forming an electrode plate tab pattern includes a conveying portion (100) configured to convey, in a first direction, an electrode plate (20) coated with an active material, a first pattern forming portion (200) configured to form a first tab pattern (211) on the electrode plate (20), and a second pattern forming portion (300) configured to form a second tab pattern (311) on the electrode plate (20). The first tab pattern (211) and the second tab pattern (311) are configured to be spaced apart from each other by a preset first distance.
Resumen de: EP4712233A1
A battery cell holder for accommodating a battery cell includes: an upper cover configured to extend around an upper portion of a battery cell while exposing a first electrode terminal of the battery cell; and a lower cover configured to extend around a lower portion of the battery cell while exposing a second electrode terminal of the battery cell, the lower cover and the upper cover being coupled to each other. A pair of parting sides of the upper cover and the lower cover that contact each other when the upper cover and the lower cover are coupled together extend diagonally.
Resumen de: EP4711339A2
Disclosed are a positive electrode for a rechargeable lithium battery including a positive active material including a small particle diameter monolith particles having a particle diameter of about 1 µm to about 8 µm as a nickel-based lithium metal oxide, and a large particle diameter secondary particles having a particle diameter of about 10 µm to about 20 µm as a nickel-based lithium metal oxide, wherein an X-ray diffraction peak intensity ratio (I(003)/I(104)) of the positive electrodeis greater than or equal to about 3, a method of preparing the same, and a rechargeable lithium battery including the positive electrode.
Resumen de: EP4712159A2
This application provides a composite positive-electrode material and a preparation method thereof, a positive-electrode plate, a secondary battery (5), and a battery module (4), a battery pack (1), and an apparatus containing such secondary battery (5). The composite positive-electrode material includes a core and a coating layer covering at least part of a surface of the core, where the core includes a positive-electrode pre-lithiation material, the positive-electrode pre-lithiation material includes a lithium-rich metal oxide, and the coating layer includes a positive-electrode active material.
Resumen de: EP4711034A1
A mixing device (10) includes a supply module (100) configured to provide an active material, a binder, and/or a conductive material to a mixing module (200), the mixing module (200) configured to form an electrode slurry including the active material, the binder, and/or the conductive material, and a discharge module (300) configured to discharge the electrode slurry. The mixing module (200) includes a pair of screws (211, 212) having threads formed on an outer surface in along a longitudinal direction of the mixing module (200), the pair of screws (211, 212) configured to rotate, and a barrel (220) including a hole (230) configured to accommodate the pair of screws (211, 212), the barrel (220) including an embossed pattern (271) or a debossed pattern (281) formed on an inner surface of the hole (230).
Resumen de: EP4711108A1
A notching apparatus includes a base, a die coupled to the base and including an electrode plate insert protruding in an upward direction, the die configured to accommodate an electrode plate comprising a substrate and an active material on an upper surface of the die; and a cutter configured to cut the electrode plate while the electrode plate insert is penetrated into at least a portion of the active material in the upward direction.
Resumen de: EP4712221A1
Disclosed is a battery, comprising battery components including an electrode assembly; an inflatable pouch case enclosing the battery components inside, the inflatable pouch case having an inner surface and an outer surface opposite to the inner surface; and at least one electrode lead electrically connected to the electrode assembly and extending through the inflatable pouch case from the inside of the inflatable pouch case to an outside of the inflatable pouch case. The outer surface of the inflatable pouch case is sealingly bonded to a surface of the at least one electrode lead.
Resumen de: EP4712186A1
An electrode assembly, and a battery cell and a power source including the same are provided. The electrode assembly includes a first electrode plate wound about a winding axis and including a first uncoated portion without a first electrode active material coated thereon, a second electrode plate wound about the winding axis and including a second uncoated portion without a second electrode active material coated thereon, a separator disposed between the first electrode plate and the second electrode plate, and a plurality of segments formed on at least one of the first uncoated portion or the second uncoated portion. The plurality of segments are arranged such that at least one bottom angle is changed in a winding direction.
Resumen de: EP4712206A1
Disclosed are a system and method for preventing the reuse of a battery monitoring system (BMS) and a system and method for preventing an unauthenticated private company from reusing a BMS only when a cell is replaced in a battery pack. The system for preventing the reuse of a BMS includes a battery monitoring unit configured to monitor specifications of a battery, a cell replacement determination unit configured to determine whether a cell has been replaced in a battery pack based on results of the monitoring of the specifications of the battery, and a permanent failure mode entry unit configured to determine whether to enter a permanent failure mode for the battery pack based on the results of the determination of whether the cell has been replaced.
Resumen de: EP4712209A1
Provided is a battery pack including: a battery module comprising a module frame; a pack frame having a bottom plate where the battery module is placed; and a thermally conductive resin interposed between a bottom plate of the battery module and the bottom plate of the pack frame, wherein a hole-shaped or groove-shaped receptor is provided in the bottom plate of the module frame, and the thermally conductive resin comprises an extension extending in upward direction and filling the anchor.
Resumen de: EP4712244A1
Disclosed is a battery assembly. A battery assembly according to an embodiment of the present disclosure may include a frame providing a space therein and having an opening formed at the rear; a battery cell positioned inside the frame; a rear end cover coupled to the opening and having a venting hole; and a venting channel that has a body providing a space therein, an inlet hole formed in the body and communicating with the venting hole, and an outlet hole formed in the body and configured to be openable.
Resumen de: EP4712234A1
A battery pack is provided. The battery pack includes a housing (1), a battery cell group (2), and a plurality of reinforcing plates (3). Each of the plurality of reinforcing plates (3) includes a foam adhesive layer and a fiberglass cloth layer. The foam adhesive layer encapsulates the fiberglass cloth layer. The battery cell group (2) is arranged in the housing (1). Each of two side walls of the battery cell group (2) along a length direction of the battery cell group (2) is arranged with a corresponding one of the plurality of reinforcing plates (3). The foam adhesive layer is attached to a corresponding one of the two side walls of the battery cell group (2).
Resumen de: EP4712185A1
A tape attaching device (200) including: a lower support structure (210) to support a cylindrical electrode assembly (110); a plurality of compression jigs (220) to bend an insulating tape (120) attached to a side surface (112) of the electrode assembly (110) and protruding in a height direction along a circumference of an upper surface (114) of the electrode assembly (110), and attach the insulating tape (120) to the upper surface (114) of the electrode assembly (110); a pressing device (230) to flatten the upper surface (114) of the electrode assembly (110) to which the insulating tape (120) is attached; and a controller (240) to control the compression jigs (220) and the pressing device (230).
Resumen de: EP4711124A1
A pressing apparatus according to embodiments of the present disclosure may include a driver, a cylinder configured to move in response to driving of the driver, and a regulator configured to control an internal pressure of the cylinder, wherein the cylinder moves upwardly by a first distance in response to driving of the driver, and a portion of the cylinder is configured to move upwardly by a second distance in response to the internal pressure of the cylinder controlled by the regulator to provide a pressing force to at least a portion of a secondary battery.
Resumen de: EP4712183A1
An apparatus for transferring an electrode assembly includes a base, a support extending from the base, a gripper connected to the support, a driver configured to drive the gripper so that the gripper grips the electrode assembly, a transferer connected to the base and configured to move along a rail, and a controller configured to control the driver so that the gripper grips a side surface of the electrode assembly in a direction perpendicular to a long axis of the electrode assembly and to control the transferer so that the electrode assembly moves along the rail.
Resumen de: EP4712149A1
A method of manufacturing an electrode sheet and a coating device. The method of manufacturing an electrode sheet includes the following steps: coating a to-be-coated surface of a current collector with a first active material to form a first wide layer; coating the to-be-coated surface with a second active material to form a narrow layer; and coating the to-be-coated surface with a third active material to form a second wide layer. The first wide layer, the narrow layer, the second wide layer, and the to-be-coated surface jointly define a tab welding groove. According to the method, the tab welding groove is processed through coating without laser cleaning, which helps to reduce manufacturing costs of an electrode sheet.
Resumen de: EP4712207A1
Disclosed is a battery module, which includes: a plurality of battery cells stacked on one another and having electrode leads protruding therefrom; and at least one sensing assembly mounted to at least one side of the plurality of battery cells and configured to electrically connect the electrode leads, wherein the at least one sensing assembly includes: a sensing bus bar electrically connected to the electrode leads; and a plurality of sensing housing parts configured so that the sensing bus bar is mounted to a front surface thereof, the plurality of sensing housing parts allowing the electrode leads to pass therethrough toward the sensing bus bar, the plurality of sensing housing parts being detachably assembled with each other.
Resumen de: EP4712211A1
Provided is a battery pack that does not cause temperature deviations between battery cells depending on the location of the battery cells in the battery pack while directly cooling the battery cells by improving a conventional heat sink cooling method. A battery pack of the present disclosure includes a pack housing including a bottom plate, an outer frame, and a partition frame; and a plurality of battery cell assemblies accommodated in the pack housing, wherein inside the outer frame and the partition frame, a flow path where a cooling fluid is able to flow, and a distribution hole and a recovery hole communicating with the flow path are provided, and thus the cooling fluid is introduced toward the battery cell assembly to directly cool battery cells in the battery cell assembly.
Resumen de: EP4712197A1
A secondary battery includes an electrode assembly (100). The electrode assembly (100) is of a wound structure and includes a positive electrode plate (40), a negative electrode plate (30), a first separator (10), and a second separator (20). The negative electrode plate (30) is provided between the first separator (10) and the second separator (20). The first separator (10) includes an aqueous bonding layer (12), and the second separator (20) includes an oily bonding layer (22). The aqueous bonding layer (12) includes a first binder, and the oily bonding layer (22) includes a second binder.
Nº publicación: EP4711783A1 18/03/2026
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Resumen de: EP4711783A1
A method of predicting an electrical performance of a secondary battery. The method includes receiving design conditions of the secondary battery, receiving experiment data of the secondary battery, obtaining model parameters based on the experiment data and an electrochemical model, generating an electrochemical model library including the model parameters, and predicting the electrical performance of the secondary battery, having the design conditions, based on the electrochemical model library. The design conditions of the secondary battery include at least one of an electrode condition or an active material condition.
BOPI
Sede Electrónica
