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873
resultados
Última actualización
23/08/2025 [07:30:00]
Resultados 100 a 125 de 873
Resumen de: EP4604214A1
A blend of cathode active materials for a cathode of an electrochemical cell, consisting of:i) from 10% to 90% by weight of a NMX active material in relation to the total weight of the cathode active material, said NMX active material of formula Li<sub>a</sub>Ni<sub>b</sub>Mn<sub>c</sub>X<sub>d</sub>O<sub>2</sub>; andii) from 10% to 90% by weight of a LFMP active material in relation to the total weight of the cathode active material, of formula Li<sub>e</sub>Fe<sub>f</sub>Mn<sub>g</sub>D<sub>h</sub>(PO<sub>4</sub>).
Resumen de: EP4603262A1
A sealing tool according to one aspect of the present disclosure includes a first sealing block and a second sealing block facing each other, wherein the first sealing block includes a first fixing part; and a first replacement part configured to be coupled to and detachable from the first fixing part; and the second sealing block includes a second fixing part; and a second replacement part configured to be coupled to and detachable from the second fixing part; wherein at least one of the first and second replacement parts is formed with a groove for an electrode lead to be received in a position corresponding to the electrode lead.
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: EP4604245A1
The present disclosure relates to a halide solid electrolyte that exhibits a more improved ionic conductivity, excellent stability and flexibility, and the like, a method for producing the same, and a secondary battery comprising the same. The halide solid electrolyte may be represented by the Formula: Li<sub>(6-4a+b)</sub>M<sub>a</sub>X<sub>6-b</sub>S<sub>b</sub>.
Resumen de: EP4604350A1
A battery swapping station according to an embodiment disclosed herein includes N slots into each of which a battery pack is insertable, an electrode plate electrically connected to a battery pack inserted into each of M slots being less than N, and a power supply configured to charge a battery pack provided in each of the M slots through the electrode plate, in which center point of each of the N slots, when viewed in a first direction, is spaced apart from a first point at equal intervals, the electrode plate is rotatable in the first direction as an axis, and the electrode plate is electrically connected to the battery pack inserted into each of the M slots among the N slots due to the rotation.
Resumen de: EP4604304A1
The present invention relates to a battery module in which terminals of two secondary batteries are directly coupled by welding, and which thus does not require a separate component for electrical connection and can reduce electrical contact resistance. Disclosed as an embodiment of the present invention is a battery module comprising a first secondary battery and a second secondary battery having the same structure as the first secondary battery, the first secondary battery comprising: an electrode assembly having a first electrode tab and a second electrode tab respectively exposed on both sides thereof; a case accommodating the electrode assembly and having two open sides; a first cap plate sealing one open side of the case; a first terminal electrically connected to the first electrode tab and exposed to the outside of the first cap plate; a second cap plate sealing the other open side of the case; and a second terminal electrically connected to the second electrode tab and exposed to the outside of the second cap plate, wherein a first protrusion portion protruding outwardly from the first terminal of the first secondary battery is coupled to and connected in series, by welding, with a second recessed portion recessed into the second terminal of the second secondary battery.
Resumen de: EP4604288A1
This all-solid-state battery is provided with a solid electrolyte and a resin film for all-solid-state batteries, the resin film being disposed so as to be in contact with at least a part of the solid electrolyte; and the resin film for all-solid-state batteries contains at least one of a water absorbent and a gas absorbent.
Resumen de: EP4604281A1
This resin film for a power storage device is constituted of two or more layers, and said two or more layers comprise: at least one layer of a layer A having a content of a water absorbent of at least 5 mass%; and at least one layer of a layer B having a content of water absorbent of less than 5 mass%.
Resumen de: EP4604282A1
This power storage device comprises an electrode body, an electrode terminal connected to the electrode body, and an exterior body that seals the electrode body. The exterior body is configured from a film-like exterior member and includes a first sealing portion joined to the exterior member in a state where the exterior member envelops the electrode body. The exterior member includes a barrier layer. The power storage device has a resin film for a power storage device disposed at least partially inwards of the barrier layer. The resin film for a power storage device includes at least one among a water absorbent and a gas absorbent.
Resumen de: EP4604314A1
An electrolyte injection device according to one embodiment of the present disclosure is an electrolyte injection device for injecting an electrolyte into a cell case, the device comprising: an upper plate with a built-in hopper for injecting an electrolyte into the cell case at the upper side of the cell case, a lower plate with a mounting hole through which the lower surface of the cell case is seated, and an elastic part that is located at a position corresponding to the mounting hole on the lower side of the lower plate and is compressed according to the pressure applied to the lower surface of the cell case, wherein a sensor unit for measuring a pressure applied to the lower surface of the cell case is located on an upper part of the elastic part.
Resumen de: EP4604298A1
Disclosed herein relates to a battery pack in which a cell assembly is accommodated, including: a pack case in which a cell assembly is seated; and an upper case coupled to the pack case to cover an upper part of a cell assembly seated inside the pack case, wherein the upper case includes a protruding part at a lower end that presses against the upper part of a cell assembly seated in the pack case.
Resumen de: EP4604303A1
A busbar assembly according to one embodiment of the present disclosure comprises: a busbar that is connected to battery modules inside the battery pack to guide an electrical connection of the battery modules, a first insulating layer that surrounds an outer peripheral surface of the busbar and has grooves formed at both ends, a second insulating layer that surrounds the first insulating layer, and a cap that including a main body that surrounds both ends of the busbar and a fixing part that is inserted into the groove.
Resumen de: EP4603460A1
A cathode active material for a lithium secondary battery according to embodiments of the present disclosure includes lithium-transition metal oxide particles which have a crystal grain size of 350 nm to 450 nm measured through X-ray diffraction (XRD) analysis and an XRD peak intensity ratio of 10% to 11%.
Resumen de: EP4604219A1
A carbon material, an anode material and a battery provided. The carbon material has a total pore volume of 0.5 cm<3>/g to 1.6 cm<3>/g. The carbon material has a crush strength of U1 kN/cm<2>, where 0.05≤U1≤0.3. The carbon material has appropriate pores providing sufficient storage space for the silicon material, relieving volume expansion of the silicon material. Moreover, crush strength of the carbon material is controlled within an appropriate range, allowing the carbon material to have an excellent structure stability. Thus, collapse and crush of structure of the carbon material caused by volume expansion during lithiation and delithiation are reduced, and occurrence of a side reaction is reduced, thereby improving capacity and cycling performance of the anode material.
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: 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.
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.
Resumen de: EP4604310A1
The present invention relates to a battery module. The battery module includes a pouch-type cell provided with an electrode assembly, a pouch-type exterior configured to accommodate the electrode assembly, and an electrode lead electrically connected to the electrode assembly to extend to the outside of the pouch-type exterior, and a support frame provided with a lower plate disposed to correspond to a bottom surface of the pouch-type cell, and a pair of side plates extending upward from both ends of the lower plate in a width direction, respectively, to define an accommodate space for accommodating at least a portion of the pouch-type cell together with the lower plate, wherein the electrode lead is disposed on an upper portion of the pouch-type exterior so as to be exposed to the outside of the support fame through an upper opening of the support frame.
Resumen de: EP4604286A1
A battery module according to an embodiment of the present invention may include: a module frame; a plurality of pouch-type battery cells disposed parallel to each other within the module frame; and a plurality of vent holes defined to pass through one surface of the module frame. Each of pouch-type battery cells may include: an electrode assembly provided with an electrode lead; a battery case comprising an accommodation part configured to accommodate the electrode assembly, a short-side sealing part which is disposed on a portion of a circumference of the accommodation part and from which the electrode lead protrudes, and a long-side sealing part disposed on the other portion of the circumference of the accommodation part and folded toward the accommodation part; and a plurality of fixing members attached to the battery case to fix the long-side sealing part in a folded state and arranged to be spaced apart from each other in a longitudinal direction of the long-side sealing part. In each of the vent holes, an area that does not overlap the fixing member may be wider than an area that overlaps the fixing member.
Resumen de: EP4604225A1
Disclosed is a winding device in the present disclosure. The winding device includes a material-placing mechanism, a mounting table, a winding member and a restraining member, wherein the material-placing mechanism is configured to convey a material strip; the winding member includes a winding needle base and a plurality of winding needles provided on the winding needle base, the winding needle base is rotatably provided on the mounting table, with a winding needle gap formed between the plurality of winding needles and configured to allow the material strip to pass through; the restraining member is provided outside the winding needle gap and configured to fix the material strip protruding from the winding needle gap with a preset force F1, a winding tension applied to the material strip when the winding needle base drives the winding needle to rotate is F2, and F1 is less than F2 so as to wind both a preset length of the material strip and the material strip protruding from the winding needle gap onto the winding needle when the winding needle base drives the winding needle to rotate. The winding device provided by the present disclosure can ensure the winding performance for small-sized cells.
Resumen de: EP4604267A1
The present application discloses a heat exchange assembly, a battery and an electrical device. The heat exchange assembly includes a current collecting piece and a plurality of heat exchange pieces. The heat exchange piece is constructed with a first flow channel and a first joint portion communicating with the first flow channel. The current collecting piece is constructed with a second flow channel and a plurality of second joint portions. The plurality of second joint portions each communicate with the second flow channel and are configured to be connected to the first joint portions of the plurality of heat exchange pieces respectively, such that the second flow channel of the current collecting piece communicates with the first flow channels of the plurality of heat exchange pieces. When the heat exchange assembly and battery units form a group, the assembly procedure is simple, and the assembly and fabrication efficiency is high.
Resumen de: EP4603854A1
A battery information generating method according to an embodiment of the present disclosure includes a profile obtaining step (S100) of obtaining a differential profile representing a correspondence relationship between a voltage and a differential capacity of a battery; a peak detecting step (S200) of detecting a peak in the differential profile; a voltage comparing step (S300) of comparing a peak voltage corresponding to the peak with a preset reference voltage; a resistance determining step (S400) of determining a resistance for a predetermined time from a discharge start point as a measured resistance by discharging the battery; and a diagnostic resistance determining step (S500) of determining a diagnostic resistance of the battery based on the measured resistance according to a comparison result of the voltage comparing step.
Nº publicación: EP4604297A1 20/08/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4604297A1
A battery pack according to an embodiment of the present disclosure includes: a pack frame in which a plurality of battery modules are respectively mounted on a plurality of module sections that are partitioned from each other; a flow path frame located at a lower part of the pack frame; and at least one first discharge part located on one side surface of the pack frame, wherein the plurality of module sections includes a first module section and a second module section that are arranged side by side in one direction, with the second module section being located more adjacent to the first discharge part than the first module section, wherein the flow path frame includes a first flow path part located at a lower part of the first module section and a second flow path part located at a lower part of the second module section, and wherein the second lower venting flow path formed in the second flow path part is formed to be longer than the first lower venting flow path formed in the first flow path part.
BOPI
Sede Electrónica
