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1424
resultados
Última actualización
17/09/2025 [07:28:00]
Resultados 25 a 50 de 1424
Resumen de: WO2025188056A1
The technical idea of the present invention provides an electrode assembly comprising: a separator sheet including a folding part folded in a zigzag shape to define a plurality of accommodation spaces separated in the vertical direction, and a cover part extending from the folding part; and a cell structure accommodated in the plurality of accommodation spaces of the separator sheet and including a first electrode and a second electrode, wherein the cover part of the separator sheet includes a first side cover part covering a first side surface of the cell structure, and the first side cover part includes a first through-hole communicating with at least one of the plurality of accommodation spaces of the separator sheet.
Resumen de: WO2025188108A1
The present invention relates to a hydrogenated nitrile-based latex comprising a hydrogenated nitrile-based copolymer having low molecular weight characteristics, excellent processability, and superb wettability and dispersibility with respect to a conductive material, a manufacturing method therefor, and a conductive material dispersion, and provides a hydrogenated nitrile-based latex comprising a hydrogenated nitrile-based copolymer having an oxime content of 0.1 wt% to 6.5 wt%, a manufacturing method therefor, and a conductive material pre-dispersion.
Resumen de: WO2025185281A1
A method for preparing a cobalt-free layered positive electrode material. The method comprises the following steps: adding a metal sulfate solution, a precipitant solution and a complexing agent solution dropwise into an ammonia solution for a precipitation and complexation reaction, so as to obtain a precursor; and mixing the precursor and a lithium source, and sequentially performing first calcination and second calcination, so as to obtain a cobalt-free layered positive electrode material, wherein the temperature of the first calcination is lower than the temperature of the second calcination, and metal sulfates in the metal sulfate solution are at least two non-cobalt transition metal sulfates. Low-temperature pre-calcination is performed to fully exchange a hydrogen-oxygen precursor with a lithium source, so as to form a metastable intermediate, thereby laying the foundation for forming a good cobalt-free layered structure.
Resumen de: WO2025185130A1
A secondary battery, a battery pack, and an electrical device, relating to the technical field of batteries. The secondary battery comprises a casing, an electrode assembly, and a top cover assembly. The casing has an accommodating cavity, and the electrode assembly is arranged in the accommodating cavity. The top cover assembly comprises a body (1), a pole (2), a clamping portion (3), and a plastic member (4). The body (1) is connected to the casing and seals the accommodating cavity, and the body (1) has a through hole (11). The pole (2) is inserted in the through hole (11), and the pole (2) comprises a first portion (21) and a second portion (22) which are arranged in a first direction. The first portion (21) comprises a first body portion (211), and the second portion (22) comprises a second body portion (221) and a flange (222) arranged around the second body portion (221). The first body portion (211) is at least connected to the second body portion (221). The clamping portion (3) is arranged around the first body portion (221) and is connected to the flange (222). A portion of the plastic member (4) is located in a mounting space (14), and the plastic member (4) is located between the clamping portion (3) and the body (1) and is separately connected to the clamping portion (3) and the body (1). By means of providing the clamping portion (3) connected to the first portion (21), the connection area of the first portion (21) is increased, and the possibility of separation
Resumen de: WO2025185256A1
The present application discloses a power battery cooling apparatus, a power battery assembly, a thermal management system, and a vehicle. The power battery cooling apparatus comprises a liquid cooling assembly and a refrigerant direct cooling assembly. The liquid cooling assembly comprises a left cooling plate, a right cooling plate, a front-end cooling plate, and a rear cooling plate. The left cooling plate, the right cooling plate, the front-end cooling plate, and the rear cooling plate enclose to form a frame for placing a battery cell, and liquid cooling flow channels are arranged in each of the left cooling plate, the right cooling plate, the front-end cooling plate, and the rear cooling plate. The refrigerant direct cooling assembly is connected to a bottom portion of the liquid cooling assembly, and a direct cooling flow channel is arranged on the refrigerant direct cooling assembly. According to the cooling apparatus, cooling methods of liquid cooling and direct cooling are combined, a side surface of the battery cell is cooled by means of the liquid cooling, and a bottom surface of the battery cell is cooled by means of the refrigerant direct cooling assembly. As a result, the cooling efficiency of a battery can be rapidly improved, thereby prolonging the service life and improving the use safety of the battery.
Resumen de: WO2025184787A1
The present application provides an electrolyte prepolymer solution, a solid-state electrolyte, and a use. The electrolyte prepolymer solution comprises the following components in percentage by weight: 0.2％-0.6％ of LiNO3, 5％-10％ of LiPF6, 0.5％-1.5％ of LiDFOB, 2%-22% of a monomer, 0.03%-1% of an initiator, and 72%-92.27% of a solvent, and can be used for preparing a solid-state electrolyte of a solid-state battery.
Resumen de: WO2025185086A1
A cell insertion device. The cell insertion device comprises a control device, a feeding station, a transfer station and a transfer mechanism. The feeding station is used for storing a case to be detected. The transfer station is used for storing a case that has passed the detection. The transfer mechanism comprises a manipulator provided with a suction member and a detection mechanism arranged on the manipulator. The control device controls the suction member to suction a case on the feeding station and controls the detection mechanism to detect the state of the case on the suction member. The state of the case comprises a first state and a second state that are different. When the case is in the first state, the control device controls the manipulator to transfer the case to the transfer station.
Resumen de: WO2025185081A1
The present application relates to a battery cell, a battery, and an electric device. The battery cell comprises an electrolyte and a positive electrode sheet. The electrolyte contains an electrolyte salt, the electrolyte salt comprises a salt capable of releasing free halogen ions during use of the battery cell, and the concentration A of the electrolyte salt in the electrolyte is 0.5 mol/L to 2 mol/L; the positive electrode sheet comprises a composite current collector and a positive electrode film layer arranged on at least one side of the composite current collector, the composite current collector comprises a supporting layer and a metal layer arranged on at least one side of the supporting layer, and the thickness B of the metal layer is 500 nm to 4000 nm. The battery cell can ensure both high quality energy density and good cycle performance.
Resumen de: WO2025184771A1
Disclosed in the present invention is an energy storage system, comprising at least one energy storage device, wherein each energy storage device comprises an energy storage case and a heat exchange member arranged in the energy storage case, at least one battery is stored in the energy storage case, and the heat exchange member is used for exchanging heat with the battery; and a heat exchange device, comprising a first heat exchange assembly and a second heat exchange assembly, wherein the first heat exchange assembly comprises a first circulation loop, the second heat exchange assembly is communicated with heat exchange members to form a second circulation loop, and the second circulation loop exchanges heat with the first circulation loop.
Resumen de: WO2025187694A1
The present invention addresses the problem of providing a method for producing a solid electrolyte-electrode assembly capable of reducing interface resistance by making it unlikely for a gap to exist at the interface between a solid electrolyte and an electrode. This method for producing a solid electrolyte-electrode assembly according to the present invention involves incorporating a lithium-ion compound into an amorphous metal oxide-forming composition when forming a solid electrolyte, and comprises: a step for preparing an amorphous metal oxide-forming composition by reacting a metal compound containing a titanium atom and an acid compound selected from the group consisting of peroxo acids, and preparing a metal oxide precursor solution which has an acid as a ligand; and a solid electrolyte-electrode assembly-forming step for contacting mist or vapor comprising the amorphous metal oxide-forming composition to the surface of a substrate heated to 150-700°C, and forming a solid electrolyte-electrode assembly comprising the amorphous metal oxide on the surface of the substrate.
Resumen de: WO2025187908A1
A battery pack is disclosed. The battery pack according to an embodiment of the present invention may comprise: a base plate; a lower battery module located on the upper surface of the base plate; an inner cover covering the upper surface of the lower battery module and including a top part having a flow path therein; and an upper battery module installed on the upper surface of the inner cover.
Resumen de: WO2025187914A1
A battery pack is disclosed. The battery pack according to an embodiment of the present invention may comprise: a base plate; battery assemblies, each including a case installed on the upper surface of the base plate, and a plurality of battery cells positioned inside the case; partition walls installed on the upper surface of the base plate; and a heat-resistant member provided on one surface of each partition wall.
Resumen de: WO2025187975A1
The disclosed residual gas discharge device for a pouch-type secondary battery comprises a gas discharge member. The gas discharge member comprises a gas discharge pipe, a gas discharge cylinder, and a gas discharge piston. Therefore, it is possible to remove residual gas remaining in the pouch of a pouch-type secondary battery without being equipped with a vacuum chamber and a vacuum pump.
Resumen de: WO2025187888A1
The present invention relates to a negative electrode for an all solid-state battery and an all solid-state battery including same. The negative electrode comprises: a current collector; a first layer positioned on the current collector and including a Si-C composite; and a second layer positioned on the first layer and including a carbon-based material and a metal, wherein the all solid-state battery has a ratio (N/P ratio) of negative electrode capacity/positive electrode capacity of 0.5 to 2.
Resumen de: WO2025185128A1
A battery cell, a battery, an electrical apparatus, and an energy storage apparatus. The battery cell comprises: an electrode assembly, which comprises at least two layers of stacked electrode sheets; a casing, an accommodating space being formed in the interior of the casing, the electrode assembly being located in the accommodating space, the casing comprising a first side wall and a second side wall, the first side wall being located on one side of the electrode assembly in the layer thickness direction, the plane on which the first side wall is located intersecting the plane on which the second side wall is located, and the first side wall being connected to the second side wall by means of a transition portion; and an elastic pad, which is located between the electrode assembly and the first side wall. The elastic pad is arranged between the electrode assembly and the first side wall, the electrode assembly can avoid the transition portion during expansion of the electrode assembly, and the elastic pad can also absorb a compressive force during the expansion of the electrode assembly. As a result, the risk of active material detachment caused by mutual compression and abrasion between the electrode assembly and the transition portion of the casing is more effectively reduced, thereby mitigating the phenomenon of lithium plating and prolonging the service life of a battery.
Resumen de: WO2025185305A1
Disclosed in the present application are an electrolyte, a secondary battery and an electronic apparatus. The electrolyte comprises ethylene sulfate and vinylene carbonate, wherein on the basis of the mass of the electrolyte, the mass percentage content of the ethylene sulfate is A% and the mass percentage content of the vinylene carbonate is B%, 0.1≤A/B≤4; the electrolyte at least comprises ethyl propionate and propylene carbonate; the electrolyte further comprises a first substance, wherein the first substance is at least two selected from lithium difluorophosphate, lithium difluoro(oxalato)borate, lithium bis(trifluoromethanesulfonyl)imide or lithium hexafluorophosphate, and at least contains lithium difluorophosphate, and on the basis of the total mass of the electrolyte, the mass percentage content of the first substance is 0.3 wt%-1.2 wt%. In the process of charge and discharge of the secondary battery of the present application, the low-temperature cycle performance and the overcharge prevention capacity under a large current condition of the secondary battery and an electrochemical apparatus can be improved.
Resumen de: WO2025185302A1
The present application is suitable for the technical field of power batteries, and provides a box body (400), a battery (200) and an electrical device (100). The box body comprises: a lower box body (40), which comprises a box body steel layer and a box body aluminum layer; and a temperature control assembly (50), which is connected to the lower box body, the temperature control assembly comprising a temperature control aluminum layer, and the temperature control aluminum layer being welded to the box body aluminum layer. The box body of the present application enables the material of the side of the temperature control assembly connected to the lower box body to be same as the material of the side of the lower box body connected to the temperature control assembly, so that the temperature control assembly can be connected to the lower box body more stably, thus reducing the difficulty of connecting the temperature control assembly to the lower box body.
Resumen de: WO2025187924A1
One embodiment of the present invention provides a lithium secondary battery electrode comprising a current collector, and an electrode active material layer provided on the current collector, wherein, when a particle size distribution is measured on the upper side of the electrode active material layer, less than 24% of fractured particles having a particle size of less than 40% of the average particle size of electrode active material particles are present. One embodiment of the present invention provides a method for manufacturing a lithium secondary battery electrode and a device for manufacturing a lithium secondary battery electrode by using same, the method comprising the steps of: preparing a current collector; forming an electrode active material layer on the current collector so as to obtain a laminated electrode body; and rolling the electrode active material layer, wherein the rolling allows the laminated electrode body to be passed between a first rolling roller and a second rolling roller, and is performed so that at least a portion of the surface of the first rolling roller or the second rolling roller is coated with a buffer material, and the buffer material makes contact with the electrode active material layer.
Resumen de: WO2025187880A1
An all-solid-state battery disclosed includes: a laminate including a solid electrolyte layer, an electrode layer stacked in a first direction with the solid electrolyte layer interposed therebetween, and a margin layer in contact with the electrode layer in a second direction intersecting the first direction; and an external electrode disposed outside of the laminate and electrically connected to the electrode layer, in which the electrode layer may include a current collector having a first surface and a second surface opposing the first surface, a first active material layer disposed on the first surface of the current collector, and a second active material layer disposed on the second surface of the current collector, and outermost points in the second direction where the first active material layer, the current collector, and the second active material layer are in contact with the margin layer may be, in a listed order, farther from the external electrode.
Resumen de: WO2025187851A1
According to one embodiment of the present invention, a liquid or paste-phase secondary battery fire suppression agent and a method for producing same may be provided, the fire suppression agent comprising: a fire-extinguishing material that decomposes and spurts out at a decomposition initiation temperature; and a solvent that dissolves and converts the fire-extinguishing material to a liquid phase. The fire-extinguishing material includes: a first material including an ionic material that causes adsorption and conversion reactions of a flammable organic compound gas; and a second material including at least one selected from an alkali metal, an alkaline earth metal, a trivalent metal, and an ammonium-based material, and absorbing oxygen radicals, and thus prevents combustion reactions.
Resumen de: WO2025185124A1
Disclosed in the present application are a composite porous membrane, a preparation method therefor, a battery and an electrical device. The composite porous membrane comprises an organic polymer substrate and an inorganic electrolyte, the inorganic electrolyte being dispersed in the organic polymer substrate. A plurality of holes of different diameters are formed in the composite porous membrane, the ionic conductivity of the composite porous membrane being 1*10-4 S/cm-5*10-4 S/cm. Thus, the organic polymer substrate, the inorganic electrolyte and the holes in the composite porous membrane can all transport active metal ions, which increases transport paths of the active metal ions, thereby increasing the transport rate of the active metal ions and accordingly improving the power performance of batteries.
Resumen de: WO2025185149A1
A negative electrode material, and a preparation method therefor and the use thereof. The negative electrode material comprises a silicon-carbon core, wherein the silicon-carbon core comprises a porous silicon matrix and a carbon material arranged in pores of the porous silicon matrix, and the total pore volume of the silicon-carbon core is smaller than or equal to 0.0001 ml/g. The silicon-carbon core in the negative electrode material is of a compact structure, thereby reducing the specific surface area of the negative electrode material, improving the mechanical strength and specific capacity of the negative electrode material and facilitating the widespread use of the negative electrode material.
Resumen de: WO2025185069A1
A battery enclosure airtightness testing method, comprising: acquiring an internal real-time air pressure and an external real-time air pressure of a battery enclosure (S101); determining an internal and external real-time pressure difference of the battery enclosure on the basis of the internal real-time air pressure and the external real-time air pressure (S102); in response to the internal and external real-time pressure difference being less than or equal to a first preset pressure difference threshold, controlling a temperature control element to adjust an internal temperature of the battery enclosure, such that the internal and external real-time pressure difference is greater than or equal to a second preset pressure difference threshold, wherein the second preset pressure difference threshold is greater than the first preset pressure difference threshold; and determining the airtightness of the battery enclosure on the basis of a change relationship of the internal and external real-time pressure difference over time (S103). Further provided are a battery enclosure airtightness testing device, a computer-readable storage medium, a battery system and an electric apparatus.
Resumen de: WO2025187649A1
Provided is a method for manufacturing a battery, the method comprising: a step for obtaining a first electrode laminate that includes a first film; a step for obtaining a second electrode laminate that includes a second film; a step for arranging a first electrode layer that is included in the first electrode laminate, which is fixed by means of a first pallet, and a second electrode layer that is included in the second electrode laminate, which is fixed by means of a second pallet, in predetermined positions so as to face each other with a separator being interposed therebetween; a step for forming a battery laminate on the second pallet by releasing the fixation by means of the first pallet while maintaining the fixation by means of the second pallet; and a step for thermally fusing the first film and the second film. The area of the first film is larger than that of the first electrode, the area of the second film is larger than that of the second electrode layer, and the area of the first film is larger than the area of the second film.
Nº publicación: WO2025187372A1 12/09/2025
Solicitante:
MITSUBISHI JIDOSHA KOGYO KK [JP]
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Resumen de: WO2025187372A1
A battery pack for a hybrid vehicle having an engine, the battery pack comprising: a case for accommodating at least one battery cell; a metal cylindrical member fixed to the case so as to penetrate the case; an exhaust pipe part constituting a part of an exhaust pipe through which exhaust gas from the engine flows, and inserted into the cylindrical member so as not to come into contact with an inner peripheral surface of the cylindrical member; and two sealing members provided so as to close one end and the other end of the cylindrical member, and in which a first through hole into which the exhaust pipe part is inserted and at least one second through hole different from the first through hole are formed.
BOPI
Sede Electrónica
