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71
resultados
Última actualización
31/03/2026 [07:47:00]
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: 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.
Resumen de: EP4712214A1
A battery assembly according to certain embodiments of the present disclosure includes: a battery cell stack in which a plurality of battery cells are stacked; a frame that houses the battery cell stack and includes a first side surface part, a second side surface part, a ceiling part, and a bottom part; and an inlet and an outlet for circulating a coolant inside the frame. The coolant is flowed into the inside of the frame through the inlet, and discharged through the outlet. Pad members are disposed on at least at one place between the battery cells, and at least one of the pad members extends from the ceiling part to the bottom part of the frame.
Resumen de: EP4712225A1
The present disclosure is directed to providing a secondary battery with fewer limitations on shape and improved battery capacity, and for preventing problems caused by gas produced during charging and discharging. The secondary battery according to an embodiment of the present disclosure includes an electrode assembly including a plurality of electrodes and a separator stacked parallel to each other, a sheet-type outer packaging having an internal space for accommodating the electrode assembly, and an outer packaging opening configured to communicate the internal space with an outside, and a cap configured to cover the outer packaging opening of the sheet-type outer packaging, wherein a height of the cap in a stack direction of the electrodes and the separator is larger than a height of the electrode assembly.
Resumen de: EP4712246A1
A battery pack according to certain embodiments of the present disclosure comprises: at least one battery assembly including a plurality of battery cells; and a pack housing that houses the at least one battery assembly, wherein a plurality of venting channels extending along one direction are formed inside a bottom frame of the pack housing, wherein a venting hole communicating with the venting channel is formed on a lower surface of the battery assembly, and wherein the venting channels each have independent venting flow paths that are not shared with each other.
Resumen de: EP4712193A1
Provided in the present application are an electrolyte and the use thereof. The electrolyte comprises a first additive as shown in formula 1, vinylene carbonate and a boron-containing compound. Applying the electrolyte to a battery can not only reduce the content of PF<sub>5</sub> and HF in the electrolyte, but can also improve the electrochemical performance of the lithium-ion battery.
Resumen de: EP4712249A1
An implantable medical device, comprising: a device housing comprising a first enclosure and a second enclosure coupled to the first enclosure; a circuit board fixed within the first enclosure of the device housing and having a first terminal; a battery that has a battery housing positioned within the second disclosure of the device housing, and having a battery terminal, a battery connector (208) positioned within the second enclosure of the device housing and comprising a battery connector body (220) that is affixed directly to the device housing; and at least one electrical conductor affixed directly to the battery connector body (220), the at least one electrical conductor electrically couples the battery terminal to the first power terminal and has a pin portion that forms a conductive pin (226, 228) that extends beyond the battery connector body and electrically couples to the first power terminal, and a plate portion forming a conductive plate (222, 224) electrically coupled to the battery terminal.
Resumen de: EP4712195A1
Disclosed are an electrode assembly having an insulating tape attached thereto, the electrode assembly including an electrode stack constituted by a plurality of positive electrodes and a plurality of negative electrodes stacked alternately with a separator disposed therebetween, a positive electrode lead coupled to a positive electrode tab bundle constituted by positive electrode tabs protruding respectively from outer peripheries of the plurality of positive electrodes and overlapping each other, a negative electrode lead coupled to a negative electrode tab bundle constituted by negative electrode tabs protruding respectively from outer peripheries of the plurality of negative electrodes and overlapping each other, a first insulating tape attached to at least a part of an upper surface of the electrode stack, to an upper surface of a positive electrode coupling portion where the positive electrode tab bundle and the positive electrode lead are coupled to each other, and to an upper surface of a negative electrode coupling portion where the negative electrode tab bundle and the negative electrode lead are coupled to each other, and a second insulating tape attached to at least a part of a lower surface of the electrode stack, to a lower surface of the positive electrode coupling portion where the positive electrode tab bundle and the positive electrode lead are coupled to each other, and to a lower surface of the negative electrode coupling portion where the negative electro
Resumen de: 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.
Resumen de: EP4712220A2
Aspects of embodiments of the present disclosure relate to pouch-type secondary batteries (100), press devices (150) for secondary batteries (100), and manufacturing methods (180) of secondary batteries (100). A pouch-type secondary battery (100) includes: an electrode assembly (110) including a stack of unit cells (112) including: a first electrode plate (114); a first electrode tab (116) on the first electrode plate (114); a second electrode plate (120); a second electrode tab (122) on the second electrode plate (120); and a separator (118) between the first electrode plate (114) and the second electrode plate (120); and a first tape (130, 132) attached to a front side of the electrode assembly (110) perpendicular to a stacking direction of the stack of unit cells (112). The first tape (130, 132) is located at a corner portion (138) of the electrode assembly (110) where the first electrode tab (116) or the second electrode tab (122) is located, and the corner portion (138) is located at an inclined area (128, A, A') where a thickness of the electrode assembly (110) decreases.
Resumen de: EP4712164A1
The present application relates to a negative electrode active material, a method for preparing the negative electrode active material, a negative electrode composition, a negative electrode for a lithium secondary battery including the same, and a lithium secondary battery including the negative electrode.
Resumen de: EP4712157A1
A negative electrode may include a first negative electrode active layer and a second negative electrode active layer on a negative electrode current collector. An orientation index (O.I.) of each of the negative electrode active layers may satisfy a predetermined range, and thus adhesion of the negative electrode active layers to the negative electrode current collector is highly implemented, thereby having excellent lifespan characteristics. In addition, a secondary battery including the same has excellent output characteristics and can be charged in a short time even at a 1C-rate.
Resumen de: EP4712163A1
The present application relates to a negative electrode active material, a method for manufacturing a negative electrode active material, a negative electrode composition, a negative electrode for a lithium secondary battery including the same, and a lithium secondary battery including a negative electrode.
Resumen de: EP4711739A1
A measuring apparatus for an electrode and/or a separator for a secondary battery according to one embodiment of the present disclosure includes a container including a body in which a specimen and an electrolyte can be stored inside, and a measuring unit for measuring physical properties of the specimen, wherein the specimen is at least one of an electrode and a separator for a secondary battery, and the measurement is performed under a state where the specimen is immersed with the electrolyte.
Resumen de: EP4712168A1
An object of the present invention is to provide a positive electrode active material for a sodium ion secondary battery which has a large discharge capacity and a high average operating voltage in the sodium ion secondary battery to be obtained. The positive electrode active material for a sodium ion secondary battery according to the present invention is a positive electrode active material for a sodium ion secondary battery, the material including a composite oxide represented by particular Formula (1), a crystalline structure of the composite oxide belongs to a space group R-3m, and in a diffraction chart obtained by performing X-ray diffraction measurement, a ratio of a peak strength of 003 reflection of the composite oxide to a peak strength of 104 reflection of the composite oxide is not less than 1.00.
Resumen de: US2025006988A1
Described herein are slurries comprising a solid electrolyte material and an ester solvent, and methods of making the same.
Resumen de: EP4712243A1
Disclosed is a battery pack. The battery pack includes a base plate; a first battery module installed on an upper surface of the base plate; and a partition wall including a fixed wall installed on the upper surface of the base plate and having an opening facing the first battery module and a moving wall covering the opening and installed movably.
Resumen de: 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.
Resumen de: EP4712223A1
A battery of the present disclosure includes: an electrode body including a solid electrolyte; a case housing the electrode body; and a resin body provided in gaps between the case and end surfaces of the electrode body. The resin body includes a first layer laminated on the end surfaces of the electrode body and a second layer laminated on the first layer. A resin component of the first layer is a resin having a hydroxy group that is less than 100 ppm. The second layer is a layer that electrically insulates the electrode body and the case.
Resumen de: EP4712201A1
A battery pack according to an embodiment of the present disclosure includes a pack frame mounting a plurality of battery modules; at least one venting unit on at least one side surface of the pack frame; and at least one sonic fire extinguisher on an upper portion of the pack frame, wherein the sonic fire extinguisher is configured to generate a low frequency in a direction toward the venting unit inside of the pack frame.
Resumen de: EP4712300A1
A battery management system (BMS) including a memory in which a resistance value of a wiring resistor of an electrical connection path between a battery cell and the BMS is stored, and a processor configured to measure a first cell voltage of the battery cell and to remove a voltage error due to the wiring resistor reflected in the measured first cell voltage based on the resistance value of the wiring resistor stored in the memory to estimate a second cell voltage that is an actual voltage of the battery cell.
Resumen de: EP4712218A1
A battery cell and a battery module including the same are disclosed. A battery cell includes an electrode assembly, a case accommodating the electrode assembly, a cap plate sealing the case, a pair of terminals protruding from the cap plate and spaced apart from each other in a first direction, a vent between the terminals, a first insulation sheet facing the cap plate, and a second insulation sheet extending from the first insulation sheet and facing the case.
Resumen de: EP4712245A1
Disclosed is a battery module with an improved safety by appropriately controlling venting when a thermal event occurs inside the battery module. The battery module includes a cell assembly having at least one battery cell; a module case configured to accommodate the cell assembly in an inner space thereof and having a venting hole formed therein to discharge a venting gas generated from the cell assembly; and a venting unit provided at an outer side of the module case and having a venting channel so that the venting gas discharged from the venting hole is introduced therein and discharged to the outside, the venting unit having a protrusion configured to protrude toward an outer surface of the module case from the inside of the venting channel.
Resumen de: EP4712305A1
A computer program product is provided according to some embodiments. The computer program product includes a non-transitory computer-readable storage medium storing a set of instructions, which, when executed by a computing device, causes the computing device to: (a) determine a discharge rate for a battery at a remote location based on a profile of the battery and a temperature value; (b) receive, at an initial time, a notification of the battery ceasing to be in communication with the computing system; (c) in response to receiving the notification, estimate an amount of time remaining until the battery self-discharges to a lower threshold state of charge (SoC); and (d) in response to elapsed time since the initial time reaching the estimated amount of time, output a signal from the computing system indicating a battery-discharge condition. A corresponding method, apparatus, and system are also provided.
Nº publicación: EP4712155A1 18/03/2026
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Resumen de: EP4712155A1
An electrode and a secondary battery are disclosed. An electrode includes a substrate, and a coating layer including a first coating layer coated on a side of the substrate in a first direction, and a second coating layer coated on another side of the substrate in a second direction, and the coating layer includes a first layer and a second layer located on the first layer and defining a step with the first layer.
BOPI
Sede Electrónica
