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1468
results.
Updated on
02/04/2026 [07:26:00]
Results 1350 to 1375 of 1468
Absstract of: EP4711745A1
According to an embodiment of the present disclosure, provided is a device for inspecting the dryness of an electrode, comprising:a transport unit that transports the electrode to an electrode drying zone,an irradiation unit including a collimating lens which is fixed in a state of being tilted by 10 to 20 degrees with respect to the direction perpendicular to the transport direction of the electrode at an upper part separated from the electrode, and an optical fiber that irradiates a light source through the collimating lens,a measurement unit including a spectrometer and a light source respectively connected to the irradiation unit, and a spectrometer hub connected to the spectrometer, anda control unit including a display device connected to the spectrometer hub, a method for inspecting the electrode dryness that predicts electrode dryness from the measured reflectance through the device for inspecting the dryness of an electrode, a method for manufacturing an electrode for a secondary battery to which the electrode dryness inspecting method is applied, and a method for manufacturing a secondary battery including the same.
Absstract of: EP4712196A1
The present disclosure provides an electrode assembly, a cylindrical battery, a battery pack and a vehicle. The electrode assembly is an electrode assembly in which a first electrode, a second electrode, and a separator interposed therebetween are wound around a winding axis to define a core and an outer circumference, wherein a winding start portion of the first electrode is positioned closer to the core than a winding start portion of the second electrode and extends further in a direction opposite to a winding direction, wherein a winding end portion of the first electrode is positioned closer to the outer circumference than a winding end portion of the second electrode and extends further in the winding direction, and wherein in a cross-section of the electrode assembly perpendicular to the winding axis, the winding end portion of the second electrode is included in a fan-shaped region having a circumferential angle corresponding to an angle of the winding direction between the winding start portion of the first electrode and the winding start portion of the second electrode.
Absstract of: 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%.
Absstract of: 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.
Absstract of: EP4712235A1
Disclosed herein relates to a battery pack including: a pack housing including a first support structure; and a battery assembly accommodated within the pack housing, wherein the battery assembly includes: a cell block comprising a plurality of battery cells stacked in a first direction; a frame including a first side cover and a second side cover spaced apart in the first direction with the cell block interposed therebetween; and a top cover including a central part coupled to the frame to cover the cell block and a first outer part protruding outwardly from the first side cover, wherein the first outer part is fastened to the first support structure, wherein a first buffer space extending in the first direction is provided between the first outer part of the top cover and the first side cover.
Absstract of: EP4711298A1
This application discloses a loading tray and a formation apparatus. The loading tray includes: a support frame; at least two mounting members, where the at least two mounting members are fixedly disposed side by side on the support frame to divide the support frame into at least one accommodating cavity, each mounting member is provided with at least two groups of limiting mounting positions, each group of limiting mounting positions includes at least one limiting mounting position distributed at intervals, and arrangement spacings between all groups of limiting mounting positions are not completely the same; and at least two limiting blocks, where the at least two limiting blocks are respectively detachably disposed corresponding to the limiting mounting positions on the at least two mounting members to define at least one accommodating groove in each accommodating cavity. This solution can improve the compatibility of loading trays and reduce model change costs of loading trays.
Absstract of: EP4712188A1
A secondary battery and a battery pack are disclosed. A secondary battery includes an electrode assembly including an electrode tab, a case in which the electrode assembly is accommodated, a connection member electrically connected to the electrode tab, a side terminal electrically connected to the connection member, a cap plate passing through the side terminal and coupled to an opening of the case, and an insulating part insulating the cap plate from the side terminal and insulating the cap plate from the electrode assembly.
Absstract of: EP4712216A1
A battery shell, a single battery cell, and a battery pack are provided. The battery shell includes: a battery shell body, wherein the battery shell body is provided with an opening; and a top cover body, wherein the top cover body is covered on the battery shell body at the opening, an end surface, facing the top cover body, of the battery shell body is defined as an upper end surface, and the upper end surface is divided into a first area and a second area located at an outer side of the first area towards an edge; the top cover body is assembled on the first area of the battery shell body, and a welding gap is formed between the second area of the battery shell body and an outer edge of the top cover body.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: EP4712227A1
A battery cell according to an embodiment of the present disclosure includes an electrode assembly, a battery housing configured to accommodate the electrode assembly through an opening provided on one side, a terminal configured to be electrically connected to the electrode assembly through a closed portion provided on an opposite side of the opening of the battery housing, and a gasket interposed between the terminal and the battery housing, configured to prevent electrical connection between the terminal and the battery housing, and including a ceramic filler.
Absstract of: EP4712217A1
A secondary battery, including a case, an electrode assembly in the case, a cap plate that seals the case, a tab member connected to the electrode assembly, the tab member extending toward the cap plate, a terminal body coupled to the cap plate, the terminal body facing the tab member, a guide plate extending from the terminal body, the guide plate being in the tab member, and a connection member in the terminal body, the connection member being connected to the tab member.
Absstract of: EP4712253A1
Disclosed are a method for manufacturing a battery cell (20), a battery cell (20), a battery (100), and an electric apparatus. The method for manufacturing a battery cell (20) includes: connecting an electrode lead-out member (221) of a bare cell (22) to an electrode component (25); bending the connected electrode lead-out member (221) to allow the bare cell (22) to enter an accommodating space (212) of a housing (21) through an opening (2121), the opening (2121) of the housing (21) being a side with the largest area of the housing (21); and connecting a top cover (24) to the housing (21) to close the opening (2121). The bare cell (22) of the battery cell (20) can be conveniently installed in situations where the electrode component (25) is not disposed on the top cover (24).
Absstract of: 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.
Absstract of: 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.
Absstract of: EP4712236A1
The present application discloses a battery cell, a battery, and an electric apparatus. The battery cell includes: a housing, the housing including a first surface, a second surface, a third surface, and a flange, where the flange is disposed around the first surface and connected to the first surface, the first surface and the third surface are opposite each other, and the second surface is connected between the flange and the third surface; and an insulating film, wrapped around an exterior of the housing, the insulating film wrapping around at least a portion of the first surface, at least a portion of the flange, at least a portion of the third surface, and at least a portion of the second surface. The insulating film is folded from the flange to the second surface to form a first folded region, and the insulating film is folded from the third surface to the second surface to form a second folded region. Along a direction from the first surface to the third surface, a dimension of the first folded region is smaller than a dimension of the second folded region. The insulating film is also capable of sufficiently wrapping around the housing when the housing is provided with a flange.
Absstract of: EP4712254A1
A battery according to an embodiment of the present disclosure may include: an electrode assembly comprising an electrode tap having a vulnerable portion formed thereon; a battery housing configured to receive the electrode assembly through an opening formed on one side thereof; a current collector comprising a tap coupling portion electrically coupled to the electrode tap and a housing coupling portion electrically coupled to the battery housing; and a cap configured to cover the opening.
Absstract of: 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.
Absstract of: EP4712210A1
The battery module includes: a cell unit including at least one battery cell; at least two cooling plates tightly attached to two opposite surfaces of the cell unit, respectively; and a refractory material pad configured to surround the at least two cooling plates.
Absstract of: EP4712204A1
The present disclosure provides an energy release device and method for a power battery. The energy release method for a power battery comprises: acquiring a thermal runaway signal of battery cells in the power battery; and electrically communicating the power battery with a discharge element, so that the power battery is discharged to a maximum safe state of charge that satisfies a mild exothermic reaction under the condition of thermal runaway, or a state of charge below the maximum safe state of charge, wherein satisfying the mild exothermic reaction is that the temperature per unit volume of the battery cells in the power battery under the condition of thermal runaway does not exceed the temperature at which the thermal runaway is triggered. According to the solution provided by the present disclosure, the development of thermal runaway in a power battery pack can be effectively delayed, time is bought for passenger escape and subsequent thermal runaway control processing, meanwhile, the destructive power of thermal runaway is reduced, and the safety management capability of the power battery is improved.
Absstract of: EP4712180A1
Disclosed is an electrode assembly, a cylindrical battery, a battery pack and a vehicle. The electrode assembly has a structure in which a first electrode, a second electrode, and a separator interposed therebetween are wound. An outermost coated portion is the coated portion of the first electrode. A winding end of the separator extends further from the winding end of the coated portion of the first electrode. A fixing member is attached to the winding end of the separator along the axial direction from a point spaced apart from the axial end of the separator. When the winding end corner of the separator is folded as much as possible with the axial end of the fixing member acting as a folding bias point so that its outer surface faces the outer circumference, the winding end corner of the coated portion of the first electrode is not exposed to the outside.
Absstract of: EP4711433A1
Disclosed are a use of a refrigerant, a method, and an apparatus for thermal management of a vehicle battery. The refrigerant comprises at least one of a natural refrigerant; a hydrofluorocarbon (HFC)-based refrigerant; a hydrofluoroolefin (HFO)-based refrigerant; a hydrochlorofluorocarbon (HCFC)-based refrigerant; a hydrocarbon-based refrigerant that is not a natural refrigerant; and a halon or a perfluorocarbon (PFC)-based refrigerant, and can be used for thermal management of the vehicle battery by controlling a temperature of said vehicle battery.
Absstract of: EP4711419A1
Disclosed is a filler composition including a silicone polymer and at least one of a filling material and/or a catalyst. A battery assembly capable of delaying or preventing thermal runaway and/or thermal diffusion is also provided. The battery assembly can be a battery module or a battery pack. Further disclosed is a vehicle comprising at least one such battery module or battery pack.
Nº publicación: EP4711178A1 18/03/2026
Applicant:
SRAM LLC [US]
SRAM, LLC
Absstract of: EP4711178A1
A system for an electric bicycle (50) includes an energy storage device (102). The energy storage device (102) includes a housing that is mountable to a frame (52) of the electric bicycle (50), battery cells disposed within the housing, and output power terminals supported by the housing and electrically connectable to the battery cells. The energy storage device (102) includes a processor and a first wireless communication device. The system includes a human/machine interface (HMI) electrically connected to the energy storage device (102) via the output power terminals. The HMI includes a second wireless communication device. The processor is configured to change a mode of the energy storage device (102) based on a signal received by the first wireless communication device from the second wireless communication device.
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