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1601
resultados
Última actualización
20/03/2026 [07:15:00]
Resultados 1525 a 1550 de 1601
Resumen de: WO2026045140A1
Provided in the present application are a battery cover plate assembly, a battery and an electric device. The battery cover plate assembly is configured to be mounted to a battery housing of a battery. The battery cover plate assembly comprises a connecting ring, an insulation ring, a cover plate and a limiting structure, wherein the connecting ring is configured to be connected to the battery housing; the insulation ring is connected to the battery housing by means of the connecting ring, and has an annular cavity; the cover plate is connected to the insulation ring, and at least part of the cover plate passes through the annular cavity and is then connected to a tab of the battery; and the limiting structure is located within the battery housing and forms an opening through which the tab passes. The connecting ring is used to reduce the difficulty of connection between the battery housing and the insulation ring; the insulation ring is used to achieve insulation and connection between the cover plate and the battery housing; the cover plate is used to form a positive electrode and a negative electrode of the battery; and the limiting structure is used to guide the mounting of the tab. Moreover, the battery cover plate assembly is easy to mount and has high processing efficiency and high safety, and can solve the problem of a cover plate having many parts and a complex structure and being thus difficult to process and low in processing efficiency.
Resumen de: WO2026045109A1
The present disclosure relates to the technical field of batteries, and specifically discloses an electrode core, a battery, a battery pack, and an electrical device. The electrode core comprises a main body region and a thinned region connected to each other. The thinned region is arranged on at least one side of the main body region along a first direction, the first direction being the length direction or the width direction of the electrode core. The electrode core further comprises a first adhesive layer. The first adhesive layer is provided on at least a portion of the surface of the thinned region. The first adhesive layer comprises a plurality of sub-adhesive layers, and the plurality of sub-adhesive layers are sequentially stacked along the thickness direction of the first adhesive layer to fill and level a depression in the thinned region. In the present disclosure, the first adhesive layer is provided on the surface of the thinned region, and comprises a plurality of sub-adhesive layers sequentially stacked along the thickness direction of the first adhesive layer to fill and level a depression in the thinned region, thereby achieving perfect fitting between the first adhesive layer and the thinned region of the electrode core.
Resumen de: WO2026045099A1
An energy storage cabinet body and an energy storage cabinet. The energy storage cabinet body comprises: a bottom plate; a plurality of first side plates, which are arranged on the periphery of the bottom plate, wherein the plurality of first side plates and the bottom plate jointly define an accommodating cavity, and the accommodating cavity is used for accommodating an electrical element; a bearing member, which is arranged in the accommodating cavity, wherein one side of the bearing member is used for being fixedly connected to the bottom plate, and the other side of the bearing member is used for mounting the electrical element; and a plurality of connecting members, which are arranged on the bottom plate, wherein the bearing member is connected to the bottom plate by means of the connecting members.
Resumen de: WO2026049236A1
Disclosed is an all-solid-state secondary battery comprising a positive electrode layer, a negative electrode layer, and a solid electrolyte layer between the positive electrode layer and the negative electrode layer. The negative electrode layer comprises amorphous carbon and any one material selected from the group consisting of gold, platinum, palladium, silicon, silver, aluminum, bismuth, tin, and zinc. The solid electrolyte layer comprises a first solid electrolyte, a second solid electrolyte, and a binder. The first solid electrolyte is a lithium-containing sulfide solid electrolyte, the second solid electrolyte is a molecular crystal, and the molecular crystal comprises: a lithium salt including at least one selected from the group consisting of lithium bis(fluorosulfonyl)imide (LiFSI), and lithium bis(trifluoromethanesulfonyl)imide (LiTFSI); and a ligand including at least one selected from the group consisting of tetramethylethylenediamine (TMEDA), tetraethylethylenediamine (TEEDA), and tetramethylpropylenediamine (TMPDA).
Resumen de: WO2026049228A1
The present invention provides a battery pack comprising: a battery frame for accommodating battery modules; a cooling module which is disposed on one surface of the battery frame, and which cools the battery modules; a first cover which is disposed, with the battery frame therebetween, so as to be opposite to the cooling module, and which protects the battery frame and the cooling module; and a second cover which is disposed, with the cooling module therebetween, so as to be opposite to the battery frame, and which protects the battery frame and the cooling module, wherein the cooling module includes a cooling plate, which includes a channel through which a coolant flows, and a support plate for supporting the battery modules, each of the cooling plate and the support plate comprising 0.1-0.2 wt% of carbon (C), 1.8-2.9 wt% of manganese (Mn), 0.5-1.0 wt% of silicon (Si), phosphorus (P) in an amount greater than or equal to 0 wt% and less than 0.05 wt%, sulfur (S) in an amount greater than or equal to 0 wt% and less than 0.01 wt%, and the balance of iron (Fe) and other inevitable impurities.
Resumen de: WO2026049308A1
A battery module according to one embodiment of the present invention comprises: a battery cell stack in which a plurality of battery cells are stacked; a module case in which the battery cell stack is accommodated, and which has an opening formed on one surface thereof; and a cell diagnosis assembly mounted on the module case so as to be positioned in the opening, wherein the cell diagnosis assembly can be coupled to the module case such that at least a portion thereof can move.
Resumen de: WO2026049294A1
The present invention relates to a cathode active material for a lithium secondary battery, comprising: a lithium metal oxide particle; and zirconium having a concentration gradient increasing from the center portion of the lithium metal oxide particle toward the surface portion thereof, wherein the slope value of the change in zirconium concentration increasing from the center portion of the lithium metal oxide particle toward the surface portion thereof is 0.001-0.2.
Resumen de: WO2026049318A1
The present invention relates to a battery module comprising: a plurality of battery cells; a pack case accommodating the plurality of battery cells; and a shield member attached to the pack case, extending in at least one direction.
Resumen de: WO2026045635A1
The present application discloses a mobile energy storage device and an energy storage system. The mobile energy storage device comprises a battery, a case assembly, and fasteners; the case assembly comprises a bottom case and a top case; the battery is arranged in the bottom case; first connecting columns extending in the height direction of the case assembly are arranged inside the top case; a threaded connecting hole is formed on the surface of each first connecting column facing the bottom case; first reinforcing ribs are arranged on the periphery of each first connecting column; the first reinforcing ribs extend in the height direction of the case assembly to be connected to the top case; second connecting columns extending in the height direction of the case assembly are arranged inside the bottom case; a connecting through hole is formed in each second connecting column, and the connecting through hole runs through the second connecting column and the bottom case in the height direction of the case assembly; second reinforcing ribs are arranged on the periphery of each second connecting column; the second reinforcing ribs extend in the height direction of the case assembly to be connected to the bottom case; and the fasteners pass through the connecting through holes in the height direction of the case assembly and are connected to the threaded connecting holes.
Resumen de: WO2026045628A1
Disclosed in the present application are a secondary battery, an irreversible additive for a positive electrode and a preparation method therefor, a positive electrode sheet, and an electric device. The secondary battery comprises a positive electrode sheet, wherein the positive electrode sheet comprises a positive electrode active material and an irreversible additive for a positive electrode; the irreversible additive for a positive electrode comprises an active metal ion supplement and a catalyst; and the catalyst comprises AM2O4, where A comprises a metal element having a charge of +2, M comprises a metal element having a charge of +3, and A and M are different. The irreversible additive for a positive electrode of the present application can improve the first-cycle specific charge capacity of a battery containing same and prolong the cycle life thereof.
Resumen de: WO2026045625A1
The present application discloses a cylindrical battery and an electronic device. The cylindrical battery comprises a case and an electrode assembly. The electrode assembly is arranged in the case, and the electrode assembly comprises a first electrode sheet. The first electrode sheet comprises a first hollow foil portion; the first hollow foil portion consists of a first part and a second part; the first part extends in a winding direction of the electrode assembly; the second part is formed by bending part of the first hollow foil portion in a direction in which the tail end of the first electrode sheet is close to a first end wall; the second part is connected to the first part and the first end wall of the case; and the area where the second part is connected to the first end wall is a first area. A first edge is provided at the position where the first part is connected to the second part, the first part is provided with a second edge and a third edge, and the first edge intersects the third edge to form a first folding point. The minimum distance between the first end wall and a second end wall of the case is H, the inner radius of a surrounding wall of the case is R, and the minimum distance from the first folding point to the first area is L1, wherein H+R≤L1. The service life of the cylindrical battery is prolonged by providing the second part.
Resumen de: WO2026049105A1
The present invention relates to a secondary battery electrolyte additive comprising milled magnesium silicate, a secondary battery electrolyte comprising same, and a method for producing same and, more specifically, to magnesium silicate for a secondary battery electrolyte additive which is prepared by subjecting a mixture of magnesium silicate and a methyl ethyl ketone (MEK) solvent to primary milling using a bead mill and to secondary milling using a nano mill, as well as to a secondary battery electrolyte comprising same and a method for producing same. The present invention can provide an optimal content of the secondary battery electrolyte additive for enhancing capacity retention in a secondary battery electrolyte, and can provide a method for producing nano-sized magnesium silicate capable of reducing the process time through mechanical milling.
Resumen de: US20260066296A1
The present invention relates to an anode active material, a method of manufacturing the anode active material, and an anode and a secondary battery including the anode active material, the anode active material including secondary carbon particles formed by flocculation of a plurality of primary carbon particles having an average particle diameter (D50) in a range from 5 to 200 nm, wherein the secondary carbon particles have an average particle diameter (D50) in a range from 0.5 to 20 μm.
Resumen de: US20260062301A1
The present disclosure relates to a system (100) for manufacturing spheroidized graphite powder, the system includes a feeder (104) adapted to convey primarily crushed particles to a grinding section (106). A first classifier (108) is located at the top portion of the chamber and is configured to receive the milled particles and adapted to separate the milled particles into a first particle and a second particle. A controller (112) operatively coupled to the one or more motors (110), the controller configured to operate the one or more motors at progressively varying RPM, at higher RPM it cuts the rough edges of the particle to form the first fine graphite particle and second shaped graphite particle and when the it RPM decreased to lower level, the surface smoothening of shaped particle process occurs, which results smooth surfaced spherical graphite.
Resumen de: US20260066395A1
The present disclosure relates to a battery assembly comprising a plurality of battery cells, a receiving case configured to accommodate the plurality of battery cells, an insertion space formed between the plurality of battery cells and the receiving case, and a filler member disposed in the insertion space, wherein the filler member comprises a compressible material.
Resumen de: WO2026049676A1
The invention provides a flow battery, the battery comprising a catholyte section comprising a catholyte tank, having a cathode, a catholyte storage compartment and a catalytic column, an anolyte section comprising an anolyte tank, having an anode, and an anolyte storage compartment, an anion-exchange membrane and a current collector, wherein the flow battery suffers from irreversible side-reactions during charging or discharging in the anolyte section; and the catalytic column is configured to house a catalyst capable of catalysing oxygen production when brought into contact with a cathodic redox mediator in an oxidised state. The invention also provides a method of improving a cycling stability of a flow battery, the method comprising the steps of providing the flow battery, subjecting the battery to a plurality of charge and discharge cycles and restoring/preventing a loss of capacity by subjecting the liquid catholyte to an oxygen evolution reaction (OER).
Resumen de: WO2026049456A1
The present specification relates to a negative electrode active material, and a negative electrode and a secondary battery comprising same. According to an embodiment of the present invention, provided is a negative electrode active material comprising a silicon-based active material and a coating layer provided thereon, wherein the silicon-based active material comprises at least one selected from the group consisting of pure Si, SiOx (0
Resumen de: WO2026049476A1
A battery pack according to the present invention comprises: at least one battery assembly having a plurality of battery cells, and a venting hole in a first direction; a pack case having an accommodation space in which the battery assembly is accommodated; and a cooling venting member which is arranged in the first direction of the battery assembly, and which includes a venting part in which venting gas discharged from the venting hole flows and a cooling part for cooling the battery assembly.
Resumen de: WO2026049373A1
The present invention may provide a battery pack including: cell arrays, each including a plurality of battery cells; and a pack case assembly in which a plurality of pack cases are arranged, each pack case accommodating at least one cell array, wherein the cell arrays are configured to be inserted into respective pack cases in a first direction, the pack cases are configured to be connected in a second direction perpendicular to the first direction, and the cell arrays are configured to slide within the pack case.
Resumen de: WO2026049366A1
According to exemplary embodiments, a pack housing is provided. The pack housing comprises: a base plate; a first cross beam on the base plate; a second cross beam spaced apart from the first cross beam in a first direction parallel to a mounting surface of the base plate; and a third cross beam spaced apart from the second cross beam in the first direction, wherein each of the first cross beam, the second cross beam, and the third cross beam extends in a second direction perpendicular to the first direction, and the base plate comprises first grooves disposed between the first cross beam and the second cross beam and second grooves disposed between the second cross beam and the third cross beam.
Resumen de: WO2026049372A1
The present invention may provide a battery pack including: cell arrays, each including a plurality of battery cells; and a pack case assembly in which a plurality of pack cases are arranged, each pack case accommodating at least one cell array, wherein the cell arrays are configured to be inserted into respective pack cases in a first direction, and the pack cases are configured to be connected in a second direction perpendicular to the first direction.
Resumen de: WO2026048684A1
Provided are: an inorganic solid electrolyte-containing composition; a sheet for all-solid-state secondary batteries; an all-solid-state secondary battery; a method for producing the sheet; and a method for producing the all-solid-state secondary battery. The inorganic solid electrolyte-containing composition contains an inorganic solid electrolyte, a polymer binder, and a dispersion medium, wherein the polymer binder contains a polymer having: a structural unit (A) derived from a disubstituted vinyl monomer having a homopolymer Tg of lower than 50°C; and at least one structural unit (B) selected from structural units derived from (meth)acrylamide having a homopolymer Tg of 50°C or higher, the total content of the structural unit (A) and the structural unit (B) being 80 mass% or more, and the polymer binder being soluble in the dispersion medium.
Resumen de: WO2026048484A1
A nonaqueous electrolyte power storage element according to an aspect of the present invention comprises: a positive electrode containing a lithium transition metal composite oxide; a negative electrode containing metallic lithium at least in a charged state; and a nonaqueous electrolyte containing an electrolyte salt and a fluorinated solvent, wherein the nonaqueous electrolyte contains or does not contain an ionic liquid, and the fluorinated solvent is at least one selected from the group consisting of fluorinated cyclic ethers and fluorinated chain diethers.
Resumen de: WO2026048510A1
A battery (10) comprises: an electrode body (14); an external can (20) that accommodates the electrode body (14); and a sealing body (19) that seals an opening positioned at an axial end of the external can (20), with a gasket (24) therebetween. The sealing body (19) has a rupture plate (22) and a plate member (21). The plate member (21) has an internal terminal part (41) which is electrically connected to a positive electrode (11) of the electrode body (14) and an insulation part (42) which is positioned at an outer edge side of the internal terminal part (41) and which is opposite from the rupture plate (22) in the axial direction. The rupture plate (22) and the internal terminal part (41) are joined by a joining part (43). The electrical connection between the rupture plate (22) and the internal terminal part (41) at the joining part (43) is cut off along with an increase in internal pressure.
Nº publicación: WO2026048500A1 05/03/2026
Solicitante:
GS YUASA INT LTD [JP]
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Resumen de: WO2026048500A1
The present invention is provided with a positive electrode containing an organic sulfur-based compound and a non-aqueous electrolyte containing an electrolyte salt and a liquid component. The liquid component contains a fluorinated cyclic ether. The content of the fluorinated cyclic ether in the liquid component is more than 30% by volume.
BOPI
Sede Electrónica
