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1314
resultados
Última actualización
10/09/2025 [07:16:00]
Resultados 300 a 325 de 1314
Resumen de: WO2025179721A1
Disclosed are a cell winding apparatus and method. The cell winding apparatus comprises an unwinding mechanism, a winding needle assembly, and an electrode sheet cutting-off device. The unwinding mechanism is configured to be capable of unwinding a first electrode sheet, a second electrode sheet, and a separator. The winding needle assembly is configured to be capable of overlapping the first electrode sheet, the second electrode sheet and the separator which are unwound by the unwinding mechanism and winding same into a wound structure, and at least one layer of separator is sandwiched between a first electrode sheet and a second electrode sheet adjacent to each other. The electrode sheet cutting-off device comprises a cutter and an adjusting mechanism; the adjusting mechanism and the cutter edge side of the cutter are provided with a path for the first electrode sheet to pass through; the adjusting mechanism is configured to enable a demarcated region to be cut off of the first electrode sheet to be opposite to the cutter edge of the cutter; and the cutter is configured to be capable of cutting off the first electrode sheet at said demarcated region. The adjusting mechanism of the cell winding apparatus can adjust a demarcated region to be cut off to be opposite to the cutter edge of the cutter, and the cutter can accurately cut off a first electrode sheet, thereby improving the consistency of bare cells, and improving the use performance of batteries.
Resumen de: WO2025180005A1
An electric device (2000), comprising a battery pack (1000). The battery pack (1000) comprises a battery cell (100). The battery cell (100) comprises a cover plate assembly (20), a casing (10), an electrode core (30), a spacer ring (40), and a monitoring module (50), wherein the electrode core (30) is fixed in an inner cavity enclosed by the cover plate assembly (20) and the casing (10); the spacer ring (40) is fixed to the side of the electrode core (30) facing the cover plate assembly (20); the electrode core (30) is provided with a tab (31), the tab (31) passing through the spacer ring (40) and being fixed to the cover plate assembly (20); and the monitoring module (50) is fixed to the cover plate assembly (20) or the spacer ring (40), and the monitoring module (50) is electrically connected to the tab (31) so as to supply power to the monitoring module (50).
Resumen de: WO2025179978A1
The present application discloses a battery and an electric device. The battery comprises battery packs and compression assemblies. A plurality of rows of battery packs are sequentially arranged in a first direction; and each row of battery packs comprises a plurality of battery cells which are sequentially arranged and are electrically connected to each other in a second direction, wherein the first direction and the second direction intersect with each other. The compression assemblies are arranged on end covers of the battery cells of the battery packs; each compression assembly covers two adjacent rows of battery packs, and a heat exchange medium is provided in the compression assembly. The compression assemblies can enhance the mechanical strength of the battery, thereby improving the stability of the battery. In addition, heat exchange can be performed on the battery cells by means of the heat exchange medium, so that the battery cells can operate at an appropriate temperature, thereby improving the cycle performance of the battery, simplifying the structure, saving the space, and improving the energy density of the battery.
Resumen de: WO2025182926A1
The present invention addresses the problem of providing a method for easily manufacturing a solid-state battery in which the charging rate and initial characteristics are improved. The method comprises: a first processing step for causing a current to pass through a solid-state battery before initial charging, at a temperature of 25-90°C and at a rate of 0.001-0.5C; a holding step for holding the solid-state battery at a temperature of 25-90°C after the first processing step; and a second processing step that is performed after the holding step as an initial charging step for charging the solid-state battery to a depth of charge of 50-100% in SOC and then discharging the same. Preferably, the holding time in the holding step is at least 10 minutes. Further preferably, in the first processing step, a current is passed through the solid-state battery to a depth of charge of 1-105% in SOC.
Resumen de: WO2025182914A1
A secondary battery comprising: a positive electrode; a negative electrode; a separator disposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte. The separator includes a sheet-shaped first base material, a sheet-shaped second base material, and a spacer disposed between the first base material and the second base material. One of the first base material and the second base material is disposed on the positive electrode side, and the other is disposed on the negative electrode side.
Resumen de: WO2025182900A1
In this invention, a solid-state battery before initial charging is subjected to a first preliminary treatment step for energizing same at a current density of 0.005 mA/cm2 or more at a temperature of 20°C or higher. It is preferable to perform, on the solid-state battery, a second preliminary treatment step for discharging a current at a current density of 0.005 mA/cm2 or more at a temperature of 20°C or higher after the first preliminary treatment step and before the initial charging. It is also preferable that the energization time in the first preliminary treatment step is 10 minutes or more. It is also preferable to perform the first preliminary treatment step at a temperature of 100°C or lower.
Resumen de: WO2025182903A1
A solid electrolyte according to the present invention includes lithium (Li), phosphorus (P), and sulfur (S). The solid electrolyte contains LixP (x being a number from 0 to 3, inclusive). It is preferable that the solid electrolyte also includes lithium sulfide. It is also preferable that the P2p spectrum measured by X-ray photoelectron spectroscopy has a peak at a binding energy of 124.5-129.0 eV. It is also preferable that the S2p spectrum measured by X-ray photoelectron spectroscopy has a peak at a binding energy of 159.0-160.8 eV.
Resumen de: WO2025179779A1
A box body beam (100), a battery pack box body (200) and a battery pack (300), which ameliorate the technical problem in the prior art that whole plate structures of box body beams result in long manufacturing periods. The box body beam (100) comprises a first main body (10) and a second main body (20), the second main body (20) being arranged to separate from the first main body (10); at least one of the cross section of the first main body (10) and the cross section of the second main body (20) is provided with an opening (K), the first main body (10) and the second main body (20) being connected at two sides of the opening (K) and sealing the opening (K).
Resumen de: WO2025179802A1
A battery (100) and an electric device. The battery (100) comprises a case (10), battery cells (20), a thermal management assembly (30), a conductive member (40), and a buffer structure (50). The case (10) is provided with an accommodating cavity (10a). The battery cells (20) are arranged in the accommodating cavity (10a). The thermal management assembly (30) is arranged in the accommodating cavity (10a) and is configured to perform heat exchange with the battery cells (20), and the thermal management assembly (30) comprises at least two heat exchange members (31). The conductive member (40) is electrically connected between each heat exchange member (31) and the case (10). The buffer structure (50) is arranged on at least one of the conductive member (40) and the heat exchange members (31), and the buffer structure (50) is configured to enable the conductive member (40) to always keep in contact with each heat exchange member (31) when the conductive member (40) is deformed. The structure can improve the safety performance of the battery (100).
Resumen de: WO2025179894A1
A positive electrode active material and a preparation method therefor, a positive electrode sheet, a battery, and an electric device. The positive electrode active material comprises a positive electrode active host material and a fluorine-phosphorus compound admixed in the positive electrode active host material, wherein the positive electrode active host material comprises lithium nickel cobalt manganese oxide or/and lithium nickel cobalt aluminum oxide. By admixing the fluorine-phosphorus compound with the positive electrode active material, the positive electrode active material is modified, the service life at a high temperature is prolonged, and the electrochemical performance of a battery is optimized.
Resumen de: WO2025179773A1
The present application discloses laser drying equipment. The laser drying equipment is used for drying battery electrode sheets; the laser drying equipment comprises a mounting box, a light source module, a transmission module, an exhaust module, and a measurement module; the light source module can emit laser and form laser coverage areas inside a closed cavity; the transmission module can drive battery electrode sheets to be dried to move to the laser coverage areas, so that laser beams can dry the battery electrode sheets; the exhaust module comprises an exhaust port; the measurement module comprises a first measurement part and a second measurement part; the first measurement part can measure the temperature of the battery electrode sheets in a drying process; and the second measurement part can measure the concentration of solvent vapor at the exhaust port. The technical solution of the present application prevents potential safety hazards caused by an excessively high concentration of solvent vapor, and improves the drying quality and the production safety.
Resumen de: WO2025182837A1
A battery comprises: an electrode body in which a long positive electrode, having a positive electrode core body and a positive electrode mixture layer, and a long negative electrode (12), having a negative electrode core body (41) and a negative electrode mixture layer (42), are wound with a separator therebetween; and an outer can that houses the electrode body. A negative electrode core body exposed part (41a) is provided to a winding outer surface (12a) on the outermost circumference of the electrode body where the negative electrode core body (41) is exposed. The tensile elongation of a first portion (51) in which the negative electrode core body exposed part (41a) of the negative electrode core body (41) is provided is higher than the tensile elongation of a second portion (52) in which the negative electrode mixture layer (42) is formed on both the winding outer surface (12a) and a winding inner surface (12b) of the negative electrode core body (41).
Resumen de: WO2025182755A1
Disclosed is a composite electrolyte which contains an inorganic solid electrolyte, a polymer, and an alkali metal salt, wherein the inorganic solid electrolyte contains an oxide having a NASICON type crystal structure, and the polymer does not substantially have a repeating unit represented by -(R1-O)- (wherein R1 is an alkylene group) in the main chain.
Resumen de: WO2025182753A1
Problem The present invention provides: a negative electrode for an alkaline secondary battery with which it is possible to achieve both improvement of low-temperature discharge characteristics and suppression of the occurrence of an internal short circuit; and an alkaline secondary battery which comprises the negative electrode. Solution A battery 2 is provided with an electrode group 22 that is composed of a positive electrode 24 and a negative electrode 26 that are overlapped with each other with a separator 28 being interposed therebetween. The negative electrode 26 includes a negative electrode core body 40 and a negative electrode mixture 42 that is press-bonded to the negative electrode core body 40. The negative electrode mixture 42 contains a hydrogen storage alloy powder which is an aggregate of hydrogen storage alloy particles. The hydrogen storage alloy particles include first hydrogen storage alloy particles and second hydrogen storage alloy particles. The volume average particle diameter of the second hydrogen storage alloy particles is not less than three times the volume average particle diameter of the first hydrogen storage alloy particles, and the ratio of the first hydrogen storage alloy particles to the total of the first hydrogen storage alloy particles and the second hydrogen storage alloy particles is 80 wt% to 95 wt% inclusive.
Resumen de: WO2025182726A1
Provided are a solid electrolyte (19) capable of improving conductivity, an ion conductor (10), a sheet (15), and a power storage device (11). The solid electrolyte has a garnet-type crystal structure containing Li, La, Zr, and O, wherein the sulfur mass concentration measured by carbon/sulfur analysis using a combustion infrared absorption method is at least 0.01%, and the sulfur abundance obtained from a peak intensity at a binding energy of 160-174 eV in spectra obtained by X-ray photoelectron spectroscopy is at most 30 times the Li-O-derived oxygen abundance obtained from a peak intensity at a binding energy of 528.5 eV. The ion conductor includes a solid electrolyte and an electrolytic solution obtained by dissolving a lithium salt in a non-aqueous solvent. The sheet includes an ion conductor and a binder for binding a solid electrolyte. The power storage device includes a solid electrolyte.
Resumen de: WO2025179770A1
The present application applies to the technical field of traction batteries. Provided are a heating device (100) and a battery processing system. The heating device comprises: a base plate (10) which has a first position and a second position that are staggered, the second position being configured to allow placement of a battery module (200); a bracket (30) which is movably connected to the base plate and configured to move between the first position and the second position; and a positioning assembly (40) which is movably arranged on the bracket, wherein when the bracket moves to the first position, the positioning assembly at least partially provides clearance above the second position, and when the bracket moves to the second position, the positioning assembly is located above the second position and can move closer to the base plate. The heating device provided in the present application enables the positioning assembly or the bracket to be located on one side of the first position, and provides clearance above the first position and on the other side of the first position, thereby reducing collisions between the battery module and the positioning assembly or the bracket during a transfer process.
Resumen de: WO2025179946A1
A nail pressing apparatus, an electrolyte injection device, and a battery production system. The nail pressing apparatus comprises a mounting frame (10), a pressure applying part (20), a first driving part (30) and an elastic part (40). The pressure applying part (20) is movably connected to the mounting frame (10) in a first direction. The first driving part (30) is connected to the mounting frame (10) and comprises a driver (31) and a cam (32), wherein the driver (31) is connected to the cam (32) and is used for driving the cam (32) to rotate. The elastic part (40) is connected to the mounting frame (10) and the pressure applying part (20), is used for applying an elastic force to the pressure applying part (20) so that the pressure applying part (20) abuts against the cam (32), and is configured to move in the first direction when the cam (32) rotates.
Resumen de: WO2025179627A1
A spraying device (104) for a battery electrode sheet, and a manufacturing device (100) for a battery electrode sheet. The spraying device (104) comprises: a spraying portion (204), wherein the spraying portion (204) comprises a cavity (304) used for accommodating a molten coating material (303) to be sprayed onto a battery electrode sheet, and a nozzle (207), the nozzle (207) being in fluid connection with the cavity (304), so that the molten coating material (303) can be sprayed onto the battery electrode sheet from the nozzle (207); and a deformation assembly, wherein the deformation assembly is arranged in the cavity (304), and when powered on, the deformation assembly deforms to change the volume of the cavity (304) used for accommodating the molten coating material (303).
Resumen de: WO2025179932A1
A separator (10), a battery cell, and an electric device. The electric device comprises a battery cell. The battery cell comprises the separator (10). The separator (10) comprises a first region (11) and a second region (12). The second region (12) surrounds the first region (11), and at least a portion of the second region (12) is thinner than the first region (11) in thickness. Thus, the likelihood of lithium plating at the edge of an electrode sheet is reduced.
Resumen de: WO2025182714A1
Provided is a non-aqueous electrolyte secondary battery provided with an electrode body in which the flatness of an end face is improved. This non-aqueous electrolyte secondary battery comprises: an electrode body in which a first electrode and a second electrode having different polarities from each other are wound via a separator; a non-aqueous electrolyte; and an exterior can that accommodates the electrode body and the non-aqueous electrolyte. The first electrode has a first core body and a first mixture layer formed on the surface of the first core body. A first core body exposed part in which the first core body is exposed is disposed at one end part of the electrode body in a winding axis direction. The first core body exposed part has a recessed part thinner than the first core body in a region where the first mixture layer is formed. The position of the recessed part changes from the end part side of the first mixture layer to the end part side of the first core body from the winding outer side to the winding inner side along the winding direction of the electrode body.
Resumen de: WO2025182754A1
This composite electrolyte contains an inorganic solid electrolyte, a polymer, and an alkali metal salt. The polymer has a structure represented by formula (1), and the alkali metal salt is included in an amount of 5-250 mol% with respect to the total amount of ester groups in the polymer. In formula (1), R represents a hydrogen atom or an alkyl group. X and Y are the same or different and represent a hydrogen atom, a hydroxyl group, or an alkyl group. n represents an integer of 1 or more, and m represents an integer of 0-10.
Resumen de: WO2025182727A1
Provided are a powder (19) capable of reducing a change in the crystal structure thereof, an ion conductor (10), a sheet (12), and a power storage device (11). The powder is an oxide-based solid electrolyte having a garnet-type crystal structure, and satisfies an inequality y≤0.04x+0.05 where x represents the specific surface area (m2/g) and y represents the half-value width (°) of a peak regarding a surface index (042) in a powder X-ray diffraction pattern. The ion conductor contains the powder and an electrolytic solution (23) in which a lithium salt is dissolved in a solvent. The sheet includes the ion conductor and a binder for binding the solid electrolyte. The power storage device includes the powder.
Resumen de: WO2025182675A1
A first voltage detection device (300) is provided with a first holding body (310) and a plurality of first voltage detection lines (330) held by the first holding body (310). A portion, of the first holding body (310), overlapping the plurality of first voltage detection lines (330) that are bundled together has a heat resistance that is higher than the heat resistance of at least another portion of the first holding body (310) different from said portion.
Resumen de: WO2025179706A1
A housing (21), a casing (2) of a battery (100), a battery (100), an electrical apparatus, and a method for processing a housing (21), relating to the technical field of batteries. The housing (21) is formed with an accommodating cavity (21a) and a mounting port (21b) in communication with the accommodating cavity (21a), the accommodating cavity (21a) is used for accommodating a bare cell (1), a housing wall of the housing (21) comprises a side wall and an end wall, a first end of the side wall encloses to form the mounting port (21b), the end wall is arranged at a second end of the side wall, the end wall and the side wall jointly define the semi-closed accommodating cavity (21a), the side wall is formed with a first region (21c) and a second region (21d), and the hardness of the first region (21c) is lower than the hardness of the second region (21d).
Nº publicación: WO2025179701A1 04/09/2025
Solicitante:
EVE ENERGY CO LTD [CN]
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Resumen de: WO2025179701A1
A busbar and a battery module, relating to the technical field of batteries. The busbar (001) comprises a busbar strip (012) and a plurality of current guide members (011) arranged at intervals. The current guide members (011) each comprise a fuse part (112) and a current guide part (111). The melting point of the fuse parts (112) is lower than those of the busbar strip (012) and the current guide parts (111). Two ends of each fuse part (112) are respectively connected to a current guide part (111) and the busbar strip (012). Each current guide part (111) is used for connecting to a positive electrode or negative electrode of a battery cell.
BOPI
Sede Electrónica
