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1468
resultados
Última actualización
02/04/2026 [07:26:00]
Resultados 975 a 1000 de 1468
Resumen de: WO2026059222A1
A battery cell according to the present invention comprises: an electrode assembly provided by being wound around the central axis of a winding central hole in a state in which a separator is interposed between electrodes having different polarities; a cell housing accommodating the electrode assembly and having an opening at one side thereof; and a can lead coupled to one end of the cell housing, wherein the can lead comprises a plurality of electrode coupling portions coupled to the electrode assembly, the electrode coupling portions being disposed at positions relatively closer to the electrode assembly than the peripheral portion of the can lead, and at least two of the plurality of electrode coupling portions are not disposed to face each other on respective sides with respect to the center of the can lead.
Resumen de: WO2026059216A1
The present disclosure provides a rivet fixing structure and a secondary battery comprising same. The rivet fixing structure may comprise: a case having a bottom unit of which one side is opened and the other side has a through-hole; a rivet unit arranged to penetrate the through-hole; and a gasket arranged between the rivet unit and the through-hole such that the surface area facing the inside of the case is formed to be larger than the sectional area between the rivet unit and the through-hole.
Resumen de: WO2026059213A1
A battery module according to an embodiment of the present invention includes a battery cell stack in which a plurality of battery cells are stacked; and a module case for accommodating the battery cell stack, the module case including a top plate disposed on the upper side of the battery cell stack. The top plate includes: a mounting hole; and a protruding wall disposed at the edge of one side of the mounting hole and protruding upward. Accordingly, the battery module according to the present embodiment can prevent bending of the top plate and prevent the loss of a wireless communication function of a cell monitoring unit.
Resumen de: WO2026055968A1
Disclosed in embodiments of the present application are a battery apparatus and an electrical apparatus. The battery apparatus comprises: a box body, the box body comprising: a first box body wall; multiple battery cells, the multiple battery cells being accommodated in the box body, a first housing wall of each battery cell being provided with an electrode terminal, and the first housing walls facing the first box body wall; multiple bus components, which are used for electrically connecting the multiple battery cells, the multiple bus components comprising a first bus component, the first bus component comprising a connecting portion and a fusing portion, the connecting portion being used for electrically connecting electrode terminals of the multiple battery cells, and at least part of the surface of the first bus component being disposed opposite to the first box body wall; and an insulating member, the insulating member being at least partially located between the first bus component and the first box body wall, and at least covering the surface of the fusing portion facing the first box body wall. The battery apparatus and the electrical apparatus in the embodiments of the present application can improve the stability and reliability of the battery apparatus.
Resumen de: WO2026056013A1
A carbon nanohorn inorganic filler composite solid-state electrolyte, a preparation method therefor, and a use thereof, relating to the technical field of solid-state batteries. The raw materials thereof comprise a polymer, carbon nanohorns, and an alkali metal salt; the carbon nanohorns are prepared by a DC arc plasma method; the polymer is poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP); and the alkali metal salt is sodium bis(fluorosulfonyl)imide or lithium bis(fluorosulfonyl)imide. Introducing carbon nanohorns, which have a high specific surface area, into the solid-state electrolyte aims to utilize high specific surface area and defect structure thereof to improve the ionic conductivity of a polymer solid-state electrolyte. The unique structural characteristics of carbon nanohorns can provide more ion transport channels in the composite material, enhancing lithium ion mobility. The carbon nanohorn inorganic filler composite solid-state electrolyte demonstrates good mechanical properties and a thickness as low as 15 μm, with an ionic conductivity of up to 0.87 mS/cm; when used in solid-state batteries, it exhibits excellent rate capability and cycle performance.
Resumen de: WO2026055938A1
A battery cell (7), a battery device (2), and an electric device. The battery cell (7) comprises an electrode assembly (30), a casing (20), an insulating coating (50), and an insulating film (40); the electrode assembly (30) is accommodated in the casing (20); a recess (201) is formed in the outer side of the casing (20); the insulating coating (50) is applied onto the outer surface of the casing (20), and at least part of the insulating coating (50) is accommodated in the recess (201); and the insulating film (40) is applied to the outer surface of the casing (20) and covers at least part of the recess (201). In the described structure, since the outer surface of the casing (20) is coated with the insulating coating (50) and at least part of the insulating coating (50) is accommodated in the recess (201), air in the recess (201) is not likely to come into direct contact with the casing (20), thereby improving the electric field distribution of the air in the recess (201), and reducing the risk of air breakdown in the recess (201).
Resumen de: WO2026059211A1
The present invention relates to a positive electrode active material capable of improving the performance of a lithium secondary battery, and a positive electrode and a lithium secondary battery comprising same, wherein the positive electrode active material comprises a lithium iron manganese phosphate compound in which the content of manganese (Mn) is less than 50 mol% among all metals excluding lithium, and has an average particle diameter (D50) of 400 nm to 900 nm, the lithium iron manganese phosphate compound including magnesium (Mg) and a doping element (M), wherein the doping element (M) is one selected from the group consisting of aluminum (Al) and vanadium (V), and the content of magnesium (Mg) in the lithium iron manganese phosphate compound is 500 ppm to 1,500 ppm, with respect to the total weight of the lithium iron manganese phosphate compound.
Resumen de: WO2026059329A1
The present disclosure relates to a secondary battery and a battery pack comprising same. The technical problem is to be solved by providing a secondary battery and a battery pack comprising same, the secondary battery being capable of ensuring current-blocking performance under high current and reducing cell resistance. To this end, the present disclosure provides the secondary battery comprising: an electrode assembly; a case, which accommodates the electrode assembly and has an opening part and a closing part; a cap plate for sealing the opening part; a terminal, which passes through the closing part and is arranged to face the electrode assembly; and a first current collection member arranged between the electrode assembly and the terminal, wherein the first current collection member includes: a first plate, which is arranged to face the terminal and is connected to the terminal; a second plate, which is spaced apart from the first plate and is connected to the electrode assembly; a fuse hole arranged between the first plate and the second plate; and first and second bridges, which are arranged inside the fuse hole and are connected to the first and second plates.
Resumen de: WO2026059210A1
The present disclosure provides an electrode, an electrode assembly and a secondary battery comprising same. The electrode comprises: a substrate made of a metal material; and a mixture layer formed on a portion of the substrate so as to form an uncoated portion at an end portion of the substrate, wherein the uncoated portion can include: a first uncoated portion formed at the leading end of a winding; and a second uncoated portion, which extends from the first uncoated portion, is higher than the height of the first uncoated portion, and includes a plurality of bendable tabs.
Resumen de: WO2026059194A1
The present disclosure provides a secondary battery including a vent plate and a method for manufacturing the secondary battery. A secondary battery according to the present disclosure may comprise: an electrode assembly formed by winding a first electrode, a separator, and a second electrode; a case accommodating the electrode assembly; and a vent plate sealing an opening on one side of the case. The electrode assembly and the vent plate may be electrically insulated, and the center portion of the vent plate may protrude in a direction in which the electrode assembly accommodated in the case is located.
Resumen de: WO2026055981A1
Embodiments of the present application disclose a battery device and an electric device. The battery device comprises: a plurality of battery cells, and a plurality of busbar components used for being electrically connected to the plurality of battery cells, wherein the plurality of busbar components include a first busbar component; the first busbar component is electrically connected to the electrode terminals of at least two battery cells among the plurality of battery cells; the first busbar component comprises fusible portions; the fusible portions are located on a current flow path between the two electrode terminals connected to the first busbar component; each fusible portion comprises a first part and a second part that are connected, the melting point T1 of the first part and the melting point T2 of the second part satisfy that: 150°C≤T2
Resumen de: WO2026055929A1
The present application relates to an electrolytic copper foil and a preparation method therefor, a negative electrode sheet, and a secondary battery. The electrolytic copper foil comprises at least one copper layer, the ratio coefficient of columnar crystals to equiaxed crystals in a cross-section of the copper layer along the thickness direction being TJM, the maximum average value of grain boundary angles being KAMmax, and the grain size being R; the cross-section satisfies at least one of the following conditions (1)-(3): (1) 0.2≤TJM≤0.4; (2) KAMmax≤5.5°; and (3) the proportion of grains for which R≤0.3 μm is 40% -50%, the proportion of grains for which R≤0.4 μm is 70% -80%, and the proportion of grains for which R≤0.5 μm is greater than or equal to 95%. The described electrolytic copper foil has high tensile strength, high elongation, and high thermal stability.
Resumen de: WO2026055816A1
Provided in the embodiments of the present application are an energy storage device and an energy storage system, enabling an increase in the electricity storage capacity per unit land area while achieving the goal of dissipating heat from the energy storage device. The energy storage device comprises: a top wall; and a ventilation structure, which is arranged on the top wall, the ventilation structure being used for discharging heat inside the energy storage device to the outside, wherein the top wall is the wall of the energy storage device perpendicular to the direction of height, and when the energy storage device is in use, the top wall is located at the top of the energy storage device.
Resumen de: WO2026059192A1
The present disclosure provides a cap assembly and a secondary battery comprising same. The cap assembly may comprise: a base plate having a through-hole; a terminal part having a diameter smaller than that of the through-hole and disposed in the through-hole; and an insulating part disposed between the outer circumferential surface of the terminal part and the inner circumferential surface of the through-hole and coupling the terminal part and the base plate.
Resumen de: WO2026059260A1
The present invention relates to a bipolar electrode, a manufacturing method therefor, and a bipolar secondary battery comprising same, the bipolar electrode incurring reduced damage to an anode mixture layer during a rolling process and including an anode and a cathode that have uniform porosity and are formed on each of two sides of a metal current collector.
Resumen de: WO2026059429A1
The present disclosure provides a secondary battery and a secondary battery manufacturing method. The secondary battery according to the disclosure comprises: an electrode assembly formed by winding a first electrode, a separator and a second electrode; and a case for accommodating the electrode assembly, wherein: an uncoated portion of the first electrode includes a first core-side cutting section, a first core-side bending section, a first outer-side bending section, and a first outer-side cutting section; and an uncoated portion of the first core-side bending section can be bent in the centrifugal direction of the electrode assembly.
Resumen de: WO2026059259A1
An objective of the present disclosure is to provide a secondary battery comprising a vent plate and a method for manufacturing the secondary battery. The secondary battery according to the present disclosure comprises: an electrode assembly formed by winding a first electrode, a separator, and a second electrode; a case having the electrode assembly embedded therein; and a vent plate sealing one side opening of the case, wherein the vent plate may comprise a welding portion where the outer boundary of the vent plate extends in a direction in which the case extends and is coupled to the opening; a first planarization portion connected to the welding portion and formed perpendicularly to the direction in which the case extends; and a second planarization portion which is located at the center of the vent plate and has a step with respect to the first planarization portion.
Resumen de: WO2026059243A1
Coating roll equipment related to an embodiment of the present invention may comprise: a traveling unit including a coating roll disposed to face a discharge port of a coater through which slurry is discharged, the traveling unit being provided to guide the traveling of a substrate; a roundness measurement unit provided to measure the roundness of the coating roll; and a correction unit including a correction roll provided to be in contact with the coating roll, the correction unit being provided to press the coating roll through the correction roll on the basis of a measurement value of the roundness measurement unit.
Resumen de: WO2026056476A1
An electrochemical device and an electronic device comprising same. The electrochemical device comprises a positive electrode sheet; the positive electrode sheet comprises a current collector and a positive electrode material layer located on at least one surface in the thickness direction of the current collector; the positive electrode material layer comprises a first positive electrode material layer and a second positive electrode material layer; the second positive electrode material layer is located between the first positive electrode material layer and the current collector; the positive electrode material layer comprises a positive electrode active material; the positive electrode active material comprises two or more lithium nickel manganese cobalt oxide ternary materials; the two or more lithium nickel manganese cobalt oxide ternary materials are divided into two groups; the chemical formula of the first group of lithium nickel manganese cobalt oxide ternary materials is Lin1Nix1Coy1Mnz1M1m1O2, wherein x1+y1+z1+m1=1, and 0.15≤y1≤0.60; the chemical formula of the second group of lithium nickel manganese cobalt oxide ternary materials is Lin2Nix2Coy2Mnz2M2m2O2, wherein x2+y2+z2+m2=1, and 0
Resumen de: WO2026056495A1
Disclosed in the present utility model is a detachable battery mounting assembly, comprising a machine housing and a battery compartment, wherein the battery compartment comprises a battery holder, and a battery cover which is openably and closably mounted on the battery holder. The battery holder is provided with a mounting space suitable for placing a battery, the machine housing is provided with a mounting position adapted to the battery holder, the front part of the battery holder is detachably and pivotably connected to the mounting position, and the rear part is detachably and fixedly connected to the mounting position. The present utility model allows for detachable assembly of the battery compartment and the machine housing. During packaging and transportation, the battery compartment and the machine proper are separated, and are later assembled directly by the user; this reduces the packaging height of the machine proper, thereby increasing the loading capacity and lowering the unit cost of transportation.
Resumen de: WO2026056466A1
The present application relates to the technical field of energy storage, and discloses an end cover assembly, an energy storage apparatus, and an electric device. The end cover assembly comprises: a cover plate; an electrode post, comprising a pressing block, a columnar body, and a flange, wherein the pressing block is located on a first side of the cover plate and has a first through hole, a first end portion of the columnar body passes through a mounting hole of the cover plate and is limited in the first through hole, the hole wall of the first through hole and/or the side wall of the first end portion has a gas guiding groove, and the gas guiding groove is in communication with the mounting hole and is in communication with the external environment on the first side of the cover plate; a first insulating member, located between the cover plate and the pressing block; and a sealing member, sleeved on the columnar body.
Resumen de: US20260077641A1
A frame assembly for an automobile includes a pair of front frame rails disposed in spaced relationship with a pair of rear frame rails. An upper cover is connected to and extends between the pair of front frame rails and the pair of rear frame rails to define a roof portion. The upper cover includes a pair of longitudinal sidewalls and a pair of cross sidewalls each extending downwardly from the roof portion to define an upper pocket bounded by each of the roof portion, the pair of longitudinal sidewalls and the pair of cross sidewalls. A base plate includes a plate portion for supporting at least one battery module. The base plate is disposed in abutting and connected relationship with the upper cover to dispose the at least one battery module within the upper pocket.
Resumen de: US20260077532A1
A notching apparatus includes a base, a die coupled to the base and including an electrode plate insert protruding in an upward direction, the die configured to accommodate an electrode plate comprising a substrate and an active material on an upper surface of the die; and a cutter configured to cut the electrode plate while the electrode plate insert is penetrated into at least a portion of the active material in the upward direction.
Resumen de: US20260077379A1
An apparatus for manufacturing a secondary battery. The apparatus includes a coating device configured to form a coating layer by applying a slurry to a substrate being transported in a transport direction, an air blower configured to blow air toward the coating layer, and a controller configured to control the coating device and the air blower. The air blower includes a first air blower disposed above the coating layer and configured to blow air toward a top surface of the coating layer and a second air blower disposed adjacent to opposite sides of the coating layer and configured to blow air toward opposite side surfaces of the coating layer. The controller is configured to adjust a temperature of the blown air based on at least one of a width of the coating layer or a thickness of the coating layer.
Nº publicación: US20260082455A1 19/03/2026
Solicitante:
SOLON CO LTD [KR]
SOLON CO., LTD
Resumen de: US20260082455A1
The present invention relates to an induction range and, particularly, to a rechargeable battery-integrated induction range which can keep a rechargeable battery at room temperature and minimize power consumption. The rechargeable battery-integrated induction range of the present invention comprises: an induction module for heating a top plate by induction heating; and a power module having a battery pack therein and coupled to the bottom side of the induction module and, the battery pack being capable of supplying the induction module with direct current power for induction heating, wherein the induction module and the power module are coupled to each other such that at least portions corresponding to the battery pack are spaced apart from each other.
BOPI
Sede Electrónica
