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1422
resultados
Última actualización
28/06/2026 [07:11:00]
Resultados 875 a 900 de 1422
Resumen de: WO2026124142A1
The present application provides a sodium supplementing material and a preparation method therefor, a positive electrode sheet, and a sodium-ion battery. The sodium supplementing material comprises an organic sodium supplementing agent body, and a conductive agent and a composite catalyst which are at least partially coated by the organic sodium supplementing agent body. The composite catalyst has a core-shell structure. The core layer of the core-shell structure comprises a metal oxide catalyst, the shell layer of the core-shell structure comprises an electrochemically stable material, and the electrochemically stable material is a material having electrochemical stability under charge and discharge test conditions from a first-cycle charging voltage of 4.1 V to a first-cycle discharging voltage of 1.5 V and from a cyclic charging voltage of 3.5 V to a cyclic discharging voltage of 1.5 V.
Resumen de: WO2026123575A1
A cast-welding device for a pole terminal, comprising a bearing plate (1), and further comprising a cast-welding flux tank (2) on the top of the bearing plate (1). A molten tin tank (3) is further mounted on the top of the bearing plate (1), a dipping mechanism (4) is provided on the tops of the cast-welding flux tank (2) and the molten tin tank (3), a soaking mechanism (5) is provided on one side of the bearing plate (1), a discharging mechanism (6) is provided on one side of the soaking mechanism (5), and a filtering mechanism (7) is provided at the bottom of the discharging mechanism (6). The device can prevent a large number of gas pores from being generated in pole terminals during molten lead casting. The present invention also relates to an operating method for the cast-welding device for a pole terminal.
Resumen de: WO2026124205A1
The present application relates to the technical field of positive electrode materials of sodium-ion batteries, and provides a sodium iron phosphate-pyrophosphate positive electrode material, and a preparation method therefor and the use thereof. The D50 of the sodium iron phosphate-pyrophosphate positive electrode material is 2-10 μm, and the maximum particle size of the sodium iron phosphate-pyrophosphate positive electrode material is less than 25 μm; and the internal porosity of the sodium iron phosphate-pyrophosphate positive electrode material is less than 14%, and the compaction density thereof is greater than 2.17 g/cm3. The present application is conductive to improving the compaction density of the sodium iron phosphate-pyrophosphate positive electrode material.
Resumen de: WO2026123497A1
A production apparatus and method for a core-shell precursor having a normally distributed particle size. The production apparatus comprises a homogenization reactor (1), a stirring reactor (2), and a thickener (3) that are sequentially connected by means of pipes, and the thickener (3) is connected back to the stirring reactor (2) by means of a pipe, so as to form a material circulation loop. The production apparatus uses a continuous method to produce a core-shell precursor having a normally distributed particle size. In the production method, the homogenization reactor (1) and the stirring reactor (2) are used to synchronously perform a coprecipitation reaction, and the thickener (3) is used to achieve continuous reaction and particle size control, thereby obtaining the core-shell precursor having the normally distributed particle size.
Resumen de: WO2026123586A1
The present invention relates to the field of thermally conductive materials, and in particular, to a non‑silicone thermal pad and a preparation method therefor. The preparation raw materials of the non-silicone thermal pad comprise, in parts by mass, 5-10 parts of a non-silicone polymer, 180-200 parts of a thermally conductive filler, 0.3-0.5 parts of a treatment agent, 0.3-0.5 parts of an antioxidant, 0.4-1 parts of a cross-linking agent, and 0.03-0.2 parts of a catalyst, wherein the non-silicone polymer comprises a polyester polyol, and the thermally conductive filler comprises aluminum nitride and aluminum oxide. The thermal conductivity of the non-silicone thermal pad prepared by the present invention can reach 10 W/m K or more, the hardness thereof is not less than 50 shore 00, and the non-silicone thermal pad has an excellent thermal conductivity effect.
Resumen de: US20260171599A1
A battery module may include a cell assembly including multiple battery cells that are mutually stacked, a module case configured to accommodate the cell assembly in an internal space, and a cover portion that is coupled to an outer surface of the module case and has a blocking layer disposed between the module case and the cover portion to block an entry and exit of flames and reduce heat transfer. In addition, the blocking layer may be formed in a foam form, may be coupled to the cover portion and may be integrally formed with the cover portion.
Resumen de: WO2026123663A1
An electrolyte for a high-nickel positive electrode, a lithium-ion battery, and a liquid injection method therefor, relating to the technical field of battery manufacturing. In the liquid injection method for the lithium-ion battery, a first liquid injection process and a second liquid injection process are used to respectively inject a first electrolyte having a high-concentration lithium salt and a second electrolyte having low viscosity. Accordingly, a dense CEI layer is formed on the surface of a high-nickel positive electrode, and a low-viscosity linear carbonate added via the second injection significantly reduces the overall viscosity of the electrolyte and increases the ion mobility of a battery cell during cycling so as to improve kinetic performance, thereby effectively alleviating the problem of increased internal resistance of the battery caused by the high viscosity resulting from the high-concentration lithium salt.
Resumen de: WO2026123414A1
The present application relates to the technical field of secondary batteries, and specifically relates to a composite material and a preparation method therefor, a negative electrode current collector, a metal battery, and an electrical apparatus. The composite material provided in the present application comprises: a MXene material, the MXene material comprising surface functional groups; silver nanoparticles, the silver nanoparticles being grown in situ on the surface of a sheet layer of the MXene material; and modified bacterial cellulose, the modified bacterial cellulose comprising bacterial cellulose and oxygen-containing functional groups modified on the surface of the bacterial cellulose. The modified bacterial cellulose is loaded on the surface of the MXene material, the manner of loading of the modified bacterial cellulose at least comprising: intermolecular interaction between the oxygen-containing functional groups of the modified bacterial cellulose and the surface functional groups of the MXene material. The composite material provided in the present application has excellent lithiophilic performance, and can delay the formation of lithium dendrites, thereby helping to improve the electrochemical performance of a metal battery.
Resumen de: WO2026123583A1
The present application discloses a battery, an electrochemical apparatus, and an electrical apparatus. The battery comprises a battery cell, the battery cell comprising an electrode sheet and a tab provided on the electrode sheet. A negative electrode active material layer of the electrode sheet contains silicon, and the percentage content of silicon in the negative electrode active material layer is b, the unit being %. The longest distance between the tab and an end portion of the electrode sheet in the length direction is d, the width of the connection position between the tab and the electrode sheet is m, and the units of d and m are the same; and b, d, and m satisfy the following relational expression (I). In the present application, by means of comprehensively controlling the values of formula (II), a battery having higher energy density can be obtained, and it can also be ensured that the battery has better battery fast charging performance.
Resumen de: US20260171598A1
0000 A battery includes: a case; a battery cell accommodated in the case, the battery cell being provided with a pressure relief mechanism; and a discharge channel, one end of the discharge channel being disposed around the pressure relief mechanism, and the discharge channel being configured to discharge emissions discharged from the pressure relief mechanism to an exterior of the case through the other end of the discharge channel.
Resumen de: US20260171391A1
0000 This application relates to the technology field of batteries, and provides a positive electrode sheet and a battery, including a positive electrode current collector and a positive electrode active material layer disposed on a surface of the positive electrode current collector. The positive electrode active material layer includes a positive electrode active material, and includes a concave-convex area including a plurality of concave portions and convex portions disposed corresponding to the concave portions. In a nitrogen environment, the positive electrode active material layer has a weight loss rate ρ in a temperature range from 35° C. to 450° C., and the ρ satisfies: 1.1%-6%.
Resumen de: US20260171626A1
0000 An electrode assembly includes a first electrode plate and a second electrode plate of opposite polarities. A first current collector includes a first conductive layer, a first insulation layer, and a second conductive layer. A first active material layer is provided with a first groove. A first surface is exposed in the first groove. A second surface is covered by a second active material layer. The second active material layer is provided with a second groove. The first surface is covered by the first active material layer. The second surface is exposed in the second groove. A first tab is at least partially accommodated in the first groove, and is bonded to the first single-side blank foil region by a first adhesive layer. A second tab is at least partially accommodated in the second groove, and is bonded to the second single-side blank foil region by a second adhesive layer.
Resumen de: WO2026123756A1
A secondary battery and an electronic apparatus. A separator in the secondary battery comprises a base film layer. At least one surface of the base film layer is provided with a bonding layer, the bonding layer is composed of multiple bonding points, and the thickness of the bonding layer is 0.5 μm-5 μm. In the bonding layer, the longest diameter of a bonding point is 10 μm-400 μm, and the distance between adjacent bonding points is 100 μm-400 μm. An electrode sheet of the secondary battery comprises a current collector. At least one surface of the current collector is provided with an active layer, a partial region of a surface of the active layer is recessed inwards to form multiple scoring grooves, and the scoring grooves are arranged in the length direction of the electrode sheet. The width of each scoring groove is D1 mm, where 0.2≤D1≤1.5. The separator and the electrode sheet have good electrolyte transport capacity and storage capacity, and can enhance the cycle performance and fast charging performance of the secondary battery.
Resumen de: US20260167022A1
0000 A vehicle integrated domain controller architecture, a vehicle management system, and a vehicle. The vehicle integrated domain controller architecture includes: a low-voltage battery, a battery management module, a low-voltage power distribution module, and a thermal management module, where the low-voltage battery is electrically connected to the low-voltage power distribution module; the low-voltage power distribution module is configured with a low-voltage load access terminal configured to connect to a low-voltage load; the thermal management module is configured with a thermal management load access terminal configured to connect to a thermal management load; and the battery management module, and the low-voltage power distribution module, and the thermal management module share the same controller.
Resumen de: US20260171567A1
Embodiments of the present application provide a battery cell, a battery, and a power consuming apparatus. The battery cell includes: a housing, including a first wall, where the first wall is provided with a pressure relief mechanism; an electrode assembly, accommodated in the housing; and a support structure, disposed between the housing and the electrode assembly, where the support structure is used for forming, between the first wall and the electrode assembly, an exhaust channel in communication with the pressure relief mechanism. The embodiments of the present application provide a battery cell, a battery, and a power consuming apparatus, to reduce a probability that non-directional pressure relief occurs in the battery cell.
Resumen de: WO2026123811A1
The present application provides a binder, a positive electrode sheet, and a secondary battery. The binder of the present application comprises a fluorine-free polymer, and the fluorine-free polymer comprises a first structural unit and a second structural unit. In addition, the pH of the binder is 6-10. The binder of the present application not only has good bonding performance, but also has the effects of inhibiting collapse of a main material structure under high temperatures and high voltages and reducing heat production inside a secondary battery, such that a positive electrode sheet can have good safety performance and cohesion, thereby improving the thermal safety performance and energy density of the secondary battery.
Resumen de: WO2026123617A1
The present application provides a positive electrode slurry, a lithium-ion battery, and an electric device. The positive electrode slurry in the present application comprises a lithium iron phosphate main material, a binder, a conductive agent, and a porous additive, wherein the conductive agent comprises conductive carbon black having a high specific surface area, and the specific surface area of the conductive carbon black is greater than or equal to 130 m2/g. The porous additive having a medium pore size and the conductive carbon black having a small pore size and a high specific surface area fill the spaces between the lithium iron phosphate particles in the positive electrode slurry provided in the present application, so that a positive electrode sheet which uses the positive electrode slurry not only has a small pore spacing inside, but also forms a gradient pore structure that can reduce the tortuosity of lithium ion transport, thereby achieving the technical effects of improving the electrolyte wettability of an electrode and improving the properties such as a fast charge capability, cycle life, and low-temperature discharge capability of the battery.
Resumen de: WO2026123981A1
A cylindrical battery welding device, comprising: a rotating assembly (1) having a longitudinal central axis and adapted to rotate around the longitudinal central axis; a plurality of battery carriers (2) arranged around the rotating assembly, wherein the rotating assembly rotates so as to drive the plurality of battery carriers to rotate around the longitudinal central axis, each battery carrier is used for clamping a battery (5), and the axis line of the battery carrier has a return state in which the axis line is parallel to the longitudinal central axis and an inclined state in which the top of the battery is away from the longitudinal central axis relative to the bottom; and a welding module (3) adapted to weld the battery when the battery carrier is in the inclined state. According to the welding device, when the battery carrier is in the inclined state, on-the-fly welding can be achieved more easily; in addition, by means of rotation of the battery, it can be ensured that the welding trajectory of the welding module is an arc, and the trajectory is simple, thereby reducing the welding difficulty.
Resumen de: US20260171489A1
A solid electrolyte that includes: a first crystallite in a primary particle and having a first crystal structure; a second crystallite in the primary particle and having a second crystal structure that is different from the first crystal structure; and an amorphous phase, the first crystallite and the second crystallite each contain lithium, the first crystal structure is a hexagonal crystal, the second crystal structure is an orthorhombic crystal, and the crystallite size of the first crystallite and the crystallite size of the second crystallite are each 50 nm or less.
Resumen de: US20260171627A1
0000 A curved battery according to an embodiment of the disclosure may include a battery cell having a curved cross-section, and a housing disposed outside the battery cell. The battery cell may include a positive electrode plate, a negative electrode plate, a separator disposed between the positive electrode plate and the negative electrode plate, a first electrode tab electrically connected to at least a portion of the positive electrode plate, and a second electrode tab electrically connected to at least a portion of the negative electrode plate. The positive electrode plate, the negative electrode plate, and the separator may be wound and disposed. At least one of the first electrode tab and the second electrode tab may be arranged to correspond to the length of the battery cell. Various other embodiments may be possible.
Resumen de: US20260166581A1
0000 A slot die includes a first body, a second body, and a coater shim. The first body has a plurality of manifolds divided to independently accommodate an electrode slurry in isolation from each other. The second body is engaged to the first body to maintain a pressurized sealing of the plurality of manifolds, and the coater shim is tightly interposed between the first body and the second body to form a plurality of slits in communication with the plurality of manifolds between the coupling surfaces of the first body and the second body.
Resumen de: US20260171556A1
0000 A pressurization mechanism for an all-solid-state battery including an all-solid-state battery cell arranged inside a fluid chamber filled with fluid, and a pressurization part having the fluid chamber and applying a predetermined pressure to the all-solid-state battery cell via the fluid. The fluid may be oil. The predetermined pressure may be generated by applying pressure to the fluid chamber. The pressurization part may include an upper shell member, a lower shell member, and a metal bellows arranged in a space defined by the upper shell member and the lower shell member.
Resumen de: US20260171473A1
A jelly-roll electrode assembly may include a first separator, a negative electrode, a second separator, and a positive electrode, which are sequentially laminated and wound. A core portion of the jelly-roll electrode assembly includes a rigid film disposed between the first separator and the second separator. A length of the rigid film in a longitudinal direction may be from 100% to 150% of an inner circumference of the jelly-roll electrode assembly and a tensile strength of the rigid film may be from 18 kgf/mm2 to 25 kgf/mm2. A secondary batter may include the jelly-roll electrode assembly, and the jelly-roll electrode assembly may be manufactured by a method described herein.
Resumen de: US20260171557A1
An apparatus for shaping a pouch-shaped battery case includes a punch configured to press a laminate sheet to shape a cup portion for a pouch-shaped battery case, a die below the laminate sheet, the die including a recess configured to allow the punch to be inserted thereinto, and a stripper disposed above the die, the stripper being configured to fix the laminate sheet, the stripper having a through-hole configured to allow the punch to move therethrough, wherein the die includes an upper end portion and a lower end portion having different heights, and the upper end portion constitutes the inside of the die in the form of a quadrangular frame in plan while the lower end portion constitutes the outside of the die. A pouch-shaped battery case may be manufactured using the apparatus, and a method of shaping a cup portion of a pouch-shaped battery case may use the apparatus.
Nº publicación: WO2026124606A1 18/06/2026
Solicitante:
GONGYI VAN RES INNOVATION COMPOSITE MATERIALS CO LTD [CN]
\u5DE9\u4E49\u5E02\u6CDB\u9510\u71A0\u8F89\u590D\u5408\u6750\u6599\u80A1\u4EFD\u6709\u9650\u516C\u53F8
Resumen de: WO2026124606A1
Disclosed in the present application are a preparation method for a hydrophobic aerogel, a composite material and a preparation method therefor, and a battery device. The preparation method for the hydrophobic aerogel comprises: mixing a precursor hydrolysate, a catalyst and a hydrophobic agent to form a mixed prepolymer solution, and reacting the mixed prepolymer solution to obtain a prepolymer wet gel; and drying the prepolymer wet gel. In this way, by directly using the precursor hydrolysate, a precursor hydrolysis step is omitted. During the reaction with the hydrophobic agent, the hydrophobic agent no longer participates in the hydrolysis of the precursor, and participates more in the modification reaction, thereby reducing the consumption of the hydrophobic agent. In addition, in the present application, no separate operation step or device is required for hydrophobic modification, and therefore the preparation method for the hydrophobic aerogel provided in the present application is simpler in operation, more environmentally friendly, and more cost-saving.
BOPI
Sede Electrónica
