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1863
resultados
Última actualización
28/06/2025 [08:26:00]
Resultados 225 a 250 de 1863
Resumen de: US2025210815A1
Embodiments of the present disclosure relate to a separator having pore diameters D10, D50, and D90 satisfies all of 180 nm≤D10≤350 nm, 380 nm≤D50≤650 nm, and 670 nm≤D90≤1000 nm. The separator according to an embodiment has improved heat resistance by satisfying the predetermined pore diameter ranges, and a battery comprising the separator may have improved performance.
Resumen de: US2025210813A1
Provided are a spacer for a battery cell, a battery cell, a battery pack, and a vehicle. The spacer includes a spacer body having an accommodation groove. The accommodation groove has a gap formed at a bottom wall of the accommodation groove. The gap is in communication with the accommodation groove. The gap is adapted for a tab of the battery cell to pass through the gap to enable the tab to be partially accommodated in the accommodation groove. The spacer body has a width D, and the gap has a width d, where 3*d≤2*D.
Resumen de: US2025210809A1
The present invention relates to the technical field of separators, and in particular to a composite oil-based separator and a preparation method therefor. The composite oil-based separator comprises a base film and a moisture retention coating applied on at least one side surface of the base film, wherein the moisture retention coating comprises an inorganic filler, a bonding polymer, and a moisture retention polymer. The composite oil based separator in the present invention is provided with the moisture retention coating, so that a layer structure having moisture can be formed on the surface of the base film, thereby reducing the electrostatic intensity of the composite oil based separator; thus, when the separator is applied to a battery cell and wound, wrinkling would not occur.
Resumen de: US2025210812A1
A battery has a protection member applied between an electrode assembly and a beading portion. The battery includes an electrode assembly; a battery housing having an opening formed on one side to accommodate the electrode assembly through the opening and including a beading portion formed by press-fitting the perimeter of an outer circumference at the opening; a top cap configured to cover the opening; and a first protection member interposed between the beading portion and the electrode assembly.
Resumen de: US2025210727A1
A power storage device disclosed herein includes at least one first electrode in layer form, at least one second electrode in layer form, and at least one solid electrolyte layer disposed between the first electrode and the second electrode and including a first solid electrolyte. The electric storage device further includes a composite layer including a carbon material and a second solid electrolyte, at least one boundary selected from the group consisting of a first boundary between the first electrode and the solid electrolyte layer and a second boundary between the second electrode and the solid electrolyte layer.
Resumen de: US2025210721A1
A method for producing a solid electrolyte-based electrochemical cell by dry laminating the solid electrolyte layers to active material layers to form composite components, contacting composite components, and packaging the contacted composite components to form a solid electrolyte-based electrochemical cell.
Resumen de: US2025210735A1
There are provided an intelligent cell, a battery module (100) containing the intelligent cell, and a battery pack (600) containing the battery module (100). The intelligent cell contains a cell unit (110), an internal switch circuit (120) and a local controller (130), wherein the internal switch circuit (120) is coupled to a positive electrode or a negative electrode of the cell unit (110). The local controller (130) comprises an internal detection unit (131), a communication unit (132) and a processing unit (133), wherein the internal detection unit (131) is configured to detect a state parameter of the cell unit (110), and the state parameter comprises at least one of an input voltage, an output voltage, and a temperature. The communication unit (132) is configured to establish a communication connection with a device external to the intelligent cell, and the processing unit (133) is coupled to the internal switch circuit (120), the internal detection unit (131) and the communication unit (132), and the processing unit (133) is configured to control on-off of the internal switch circuit (120) based on the state parameter or in response to a control command received by the communication unit (132).
Resumen de: US2025210719A1
A metal battery comprising an anode, an anode current collector, a cathode, a cathode current collector and a compound of formula (I) disposed between the anode and cathode wherein X is Al or B; R1 in each occurrence is independently a substituent; and two R1 groups may be linked to form a ring; and M+ is a metal cation, and wherein the anode current collector comprises zinc.
Resumen de: US2025210716A1
A secondary battery includes a positive electrode, a negative electrode, a separator, and an electrolyte. The electrolyte includes a compound A represented by formula:R1 to R6 are each independently selected from a fluorine atom, a cyano group, a sulfo group, an aldehyde group, a substituted or unsubstituted C1-C6 alkoxy group, a substituted or unsubstituted C1-C6 alkyl group, a substituted or unsubstituted C2-C6 alkenyl group, a substituted or unsubstituted C2-C6 alkynyl group, a substituted or unsubstituted C6-C12 aryl group, and a substituted or unsubstituted C6-C12 aryloxy group. During substitution, substituents of the groups are each independently selected from a fluorine atom, a C1-C3 alkyl group, or a C2-C4 alkenyl group. The separator includes a base film and a porous coating, and a contact angle between the electrolyte and the surface of the porous coating of the separator is 0° to 36°.
Resumen de: US2025210741A1
A battery cell, a battery module, and a battery pack are provided. The battery cell includes a battery cell body and an optical fiber. A plurality of grating temperature measuring points are formed on the optical fiber. The optical fiber is arranged on the battery cell body.
Resumen de: US2025210687A1
An apparatus for manufacturing a battery cell includes an electrode reel, a separator reel, a table, a pair of separator guides, and a pair of upper nozzles. An electrode sheet on which a plurality of electrodes is formed is configured to be unwound from the electrode reel. A separator sheet is configured to be unwound from the separator reel. The separator sheet is configured to be folded when the electrode is placed, to cover the electrode and to being-stacked with the electrode. The electrode and the separator sheet are placed to overlie the table. The pair of separator guides are configured to guide a folding direction of the separator sheet. The pair of upper nozzles are configured to apply an adhesive to at least a part of the separator sheet passing between the pair of separator guides.
Resumen de: US2025210697A1
A composite solid-state electrolyte, a method of preparing the same, and a lithium battery including the same. The composite solid-state electrolyte includes a first solid-state electrolyte including a cubic garnet phase and a pyrochlore phase, and a second solid-state electrolyte including a glass phase, and a volume of the first solid-state electrolyte is greater than that of the second solid-state electrolyte, based on a total volume of the composite solid-state electrolyte.
Resumen de: US2025210751A1
This application provides a battery box, which includes: a heat exchange plate and a lower frame body located on the heat exchange plate. The lower frame body includes edge beams and internal beams, the edge beams forming a circumferential closure opened in an up-down direction, the edge beams and the heat exchange plate together forming an accommodating space with an upward opening, and the internal beams located inside the accommodating space and divide the accommodating space into sub-accommodating spaces for placing battery modules. The heat exchange plate is configured to support the battery modules and exchanges heat with batteries of the battery modules, and a bottom plane of an internal beam is partly in contact with a top plane of the heat exchange plate in the up-down direction.
Resumen de: US2025210700A1
An secondary battery includes a cathode layer, an anode layer having an anode current collector and an anode active material layer on the anode current collector,a lithium metal layer or a lithium alloy layer between the anode current collector and the anode active material layer, wherein the lithium metal layer or the lithium alloy layer has a thickness in a range of about 10 micrometers to about 60 micrometers, anda solid electrolyte layer between the cathode layer and the anode layer, wherein the solid electrolyte is an oxide, phosphate, borate, sulfate, an oxynitride, or a combination thereof.
Resumen de: US2025210806A1
An ion selective layer includes a water-soluble organic polymer, a cross-linker, a water-soluble inorganic salt or hydroxide, and water. A method of making the ion selective layer includes dissolving a water-soluble organic polymer in water, dissolving a water-soluble inorganic salt or hydroxide in water, dissolving a cross-linker in water, cross-linking the water-soluble polymer, forming a layer by casting onto a substrate, and drying the water solution to form a film. Another method of making the ion selective layer includes dissolving a water-soluble organic monomer in water, dissolving a water-soluble inorganic salt or hydroxide in water, dissolving a cross-linker in water, dissolving an initiator in water, polymerizing and cross-linking the water-soluble monomer, forming a layer by casting onto a substrate, and drying the water solution to form a film.
Resumen de: US2025210808A1
A slurry composition for a non-aqueous secondary battery functional layer contains a particulate polymer having a glass-transition temperature within a specific range and a binder A including an alkali metal salt group and either or both of a hydroxy group and an acidic functional group.
Resumen de: US2025210801A1
A rechargeable battery includes: an electrode assembly including an electrode; a case to accommodate the electrode assembly; a cap plate to seal an open area of the case; and one or more terminals electrically connected to the electrode, and coupled to the cap plate. The cap plate includes: a vent to expel gas generated from inside a cell outward; and a venting guide wall surrounding the vent, and protruding outward from a surface of the cap plate at a peripheral portion of the vent.
Resumen de: US2025210804A1
A battery module includes a plurality of battery cells; a housing that houses a plurality of battery cells; a barrier that is arranged between the plurality of battery cells and partitions a compartment together with the housing; and a vent part for a battery cell that is provided in the housing and arranged in the compartment. The housing and the barrier are connected to each other to define the compartment.
Resumen de: US2025210807A1
A composite separator including an adhesive layer and a secondary battery including the same. In the composite separator, the adhesive layer contains a particulate organic binder having a glass transition temperature of 60 to 80° C., and when the adhesive layers are brought into contact with each other, pressurized at a temperature of 50° C. and a pressure of 1.7 MPa for 2 hours, and then peeled at a speed of 300 mm/min and an angle of 180°, blocking does not occur between the adhesive layers, and an adhesive strength to a positive electrode is 5 gf/cm or more.
Resumen de: US2025210803A1
An electrode assembly includes: a first current collector; a first composite material layer; a second current collector; a second composite material layer; and a separator. The first composite material layer is provided on the first current collector. The second composite material layer is provided on the second current collector. The separator is disposed between the first composite material layer and the second composite material layer. The second composite material layer includes a groove portion. The groove portion extends along a plane direction of the first composite material layer. A ventilation portion is formed at a position that is in contact with the groove portion.
Resumen de: US2025210766A1
The present disclosure provides a button cell and an electronic device. The button cell includes a case, a cell, a conductive member arranged on the case and connected to the case in an insulated manner, and a liquid injection port for injecting an electrolyte solution into an accommodating cavity. A cell is placed in an accommodating cavity of a bottom shell. A first tab is welded to an inner bottom wall of the bottom shell, and then the top cover having the conductive member is connected to the bottom shell in a sealed manner, with a second tab on the cell being electrically connected to the conductive member. Finally, an electrolyte solution is injected into the accommodating cavity. After the electrolyte solution is injected, a sealing member covers the liquid injection port, and the sealing member is connected to the liquid injection port in a sealed manner.
Resumen de: US2025210762A1
Embodiments of the present application provide a battery cell, a battery, and an electrical apparatus. For the battery cell of the present application, the volumetric energy density of the battery cell is E, the minimum thickness of the battery cell is T, and T and E meet: E≥600 Wh/L, and 6 Wh/(L·mm)≤E/T≤100 Wh/(L·mm). For the battery cell provided in the present application, the high-energy-density battery cell has a high gas production rate and heat release power when thermal runaway occurs, and therefore, the minimum thickness of the battery cell is adjusted to meet requirements of the high-energy battery cell, thereby ensuring the safety of the battery cell.
Resumen de: US2025210667A1
A cathode for a lithium secondary battery and a lithium secondary battery including the same are provided. The cathode includes a cathode active material layer including a cathode active material and a conductive material, and having a Raman R1 value represented by A1D/A1G and measured on a surface of the cathode active material layer in a range from 1.5 and 4.
Resumen de: US2025210761A1
A secondary battery is disclosed. The secondary battery includes an electrode assembly, an insulating casing accommodating the electrode assembly therein, and a case accommodating the insulating casing therein. The insulating casing includes an upper insulating casing having a first traverse overlapping portion, and a lower insulating casing having a second traverse overlapping portion overlapping the first traverse overlapping portion to form a traverse overlapping portion.
Nº publicación: US2025210779A1 26/06/2025
Solicitante:
CONTEMPORARY AMPEREX TECH HONG KONG LIMITED [CN]
Contemporary Amperex Technology (Hong Kong) Limited
Resumen de: US2025210779A1
A box includes a box body and a mounting structure. The box body is provided with an opening and an end wall arranged oppositely. The mounting structure is arranged on the end wall, and when viewed in the thickness direction of the end wall, the mounting structure overlaps with the end wall, and the mounting structure is configured to connect the box body and a device. The mounting structure is arranged on the end wall of the box, which can reduce the size of the part of the mounting structure extending to a side direction of the box body or prevent the mounting structure from extending to the side direction of the box body, thereby reducing the external space occupied by the mounting structure along the side direction of the box body or avoiding the mounting structure occupying the external space along the side direction of the box body.
BOPI
Sede Electrónica
