Resumen de: WO2025035421A1
Battery management systems (32), removable battery assemblies (30) with the integrated battery management systems (32), and vehicles (100) comprising the same are provided for implementing various runtime calculations disclosed herein. A materials handling vehicle (100) is provided comprising a drive subsystem (20), a removable battery assembly (30), and vehicle control hardware. The removable battery assembly (30) comprises a battery management system (32) that is programmed to (i) input or generate a state of charge signal representing a state of charge SOC of the removable battery assembly (30), (ii) implement a first EWMA signal filter F 1 to calculate a succession ( 0I C, 1I C, 2I C, …) of contemporary current calculations I C, (iii) implement a second EWMA signal filter F 2 to calculate a runtime current I R, wherein the runtime current calculation I R comprises the contemporary current calculations I C from the first EWMA signal filter F 1, and (iv) implement a remaining runtime calculation such that the vehicle control hardware is programmed to respond functionally to a runtime calculation R. The battery-powered materials handling vehicle (100) is programmed to implement a forward-looking remaining runtime calculation R of the onboard battery assembly (30), and respond functionally to the runtime calculation R to create a technical operational effect in the materials handling vehicle (100).
Resumen de: US20260066284A1
Disclosed is an electrode precursor composition suitable for preparing a gel electrode, the composition containing an organic solvent, an alkali metal salt, and two or more polymers, the two or more polymers including at least an electronically insulating polymer and an electronically conductive polymer, wherein the electronically conductive polymer is present in a smaller volume fraction than the electronically insulating polymer.
Resumen de: US20260066274A1
This invention relates to particulate electroactive materials consisting of a plurality of composite particles, wherein the composite particles comprise: (a) a porous conductive particle framework including micropores and/or mesopores having a total volume of at least 0.4 to 2.2 cm3/g; (b) an electroactive material disposed within the porous conductive particle framework; and (c) a lithium-ion permeable filler penetrating the pores of the porous conductive particle framework and disposed intermediate the nanoscale silicon domains and the exterior of the composite particles.
Resumen de: WO2026044981A1
A molten-salt-assisted valence-gradient-doped modified single-crystal positive electrode material, and a preparation method therefor and a use thereof. The preparation method comprises the following steps: mixing a transition metal source, a lithium source, a manganese source and a molten salt additive, sequentially performing first sintering and second sintering, and removing the molten salt additive to obtain a doped modified single-crystal positive electrode material precursor; performing tempering treatment on the doped modified single-crystal positive electrode material precursor to obtain a molten salt-assisted valence-gradient-doped modified single-crystal positive electrode material. The prepared doped modified single-crystal positive electrode material can effectively avoid capacity loss of the material, significantly reduce lattice mismatch during lithium deintercalation/intercalation, and alleviate volume strain during charging and discharging. Moreover, the formed M-O bond can enhance the structural stability of the material and inhibit the formation of micro-cracks in the material. The preparation method for the positive electrode material facilitates industrial application, and provides an idea for commercial modified positive electrode materials.
Resumen de: WO2026045155A1
The present application discloses a battery cover, a battery, a battery pack, and an electric device. The battery cover comprises a cover body, the cover body comprises a metal cover plate and an insulating ring, the metal cover plate is connected to one end of the insulating ring, and the other end of the insulating ring is used for being connected to a case of a battery. In the extension direction of a battery cell of the battery, the insulating ring is provided with a first protrusion, and the first protrusion is used for insulating a tab from the case. The first protrusion on the insulating ring effectively provides an insulating barrier to prevent a potential short circuit between the tab and the case, further enhancing the safety performance of the battery.
Resumen de: WO2026045138A1
An electric device, comprising a battery assembly. The battery assembly is provided with a heat-absorbing member between any two adjacent battery units, wherein each battery unit includes N cells arranged in sequence, N≥1, the heat-absorbing member includes a heat-absorbing main material, and the mass of the heat-absorbing main material satisfies a relational expression defined in the present application, thereby ensuring that the heat-absorbing member can effectively suppress thermal diffusion from a cell undergoing thermal runaway, without significantly reducing the space utilization rate of the battery assembly.
Resumen de: WO2026045108A1
A battery pack, comprising a battery module, an upper cover portion, a lower cover portion, and a reinforcing plate. The upper cover portion and the lower cover portion define an accommodating cavity; in a first direction, at least one side of the upper cover portion is provided with a first connecting edge, and at least one side of the lower cover portion is provided with a second connecting edge; the reinforcing plate is provided with a third connecting edge, and the second connecting edge is sandwiched between the first connecting edge and the third connecting edge to form a connection mating portion; and a crushing space is provided between the battery pack and the connection mating portion.
Resumen de: US20260066341A1
The present invention relates to a sulfide-based solid electrolyte having excellent moisture stability and ionic conductivity, a method of preparing the same, and an all-solid-state battery including the sulfide-based solid electrolyte, wherein the present invention provides a solid electrolyte which includes a core portion including sulfide-based solid electrolyte particles; and a surface portion which is formed on the core portion and includes fluorine-doped sulfide-based solid electrolyte particles, wherein the surface portion includes a concentration gradient region in which a concentration of a fluorine (F) atom is decreased from a surface of the surface portion toward the core portion, a method of preparing the same, and an all-solid-state battery including the solid electrolyte.
Resumen de: US20260066703A1
The one or more specified settings associated with the one or more battery cells in the battery pack to facilitate power transfer between the one or more battery cells in the battery pack for a battery pack is configured. The one or more settings associated with the one or more battery cells in the battery pack are accessed. The configuration for the battery pack, until the configuration meets or exceeds the battery power requirements is optimized.
Resumen de: US20260066330A1
An electrode assembly includes a first electrode, a second electrode, and a separator located between the first electrode and the second electrode. The first electrode, the second electrode, and the separator are wound in a roll shape. The first electrode includes a first coated portion in which a first active material is coated on a first current collector, and a first uncoated portion adjacent to the first coated portion and formed at one side of the first current collector. The first uncoated portion includes a plurality of cut portions each open to an outside and a plurality of flags partitioned by the plurality of cut portions. A length of each of the plurality of cut portions increases in at least one or more sections in a radial direction from a winding center.
Resumen de: US20260066329A1
A system for manufacturing a secondary battery includes a reform pin insertable into a central hole of an electrode assembly, the electrode assembly including a wound stack of a first electrode, a separator, and a second electrode, a driver configured to move the reform pin and to insert the reform pin into the central hole, after the electrode assembly is embedded in a case, and a rotator configured to rotate the reform pin.
Resumen de: US20260066351A1
An electrolyte composition for batteries is provided. The electrolyte composition includes a solvent including one or more fluorinated carbonates. The electrolyte composition further includes a lithium-based salt and a lithium (oxalato)borate salt. Additionally, a battery including the electrolyte composition is provided. The battery includes an anode, a nickel-based cathode, and the electrolyte composition disposed between the anode and the nickel-based cathode.
Resumen de: US20260066377A1
A vehicle including a battery pack having a plurality of battery cells and a battery pack thermal management system configured to exchange heat with the plurality of battery cells. The battery pack thermal management system includes a plurality of cold-plates through which a coolant circulates therethrough for each of the plurality of battery cells, at least one pump for circulating the coolant through the plurality of cold-plates, and controller in communication with the pump. The battery pack includes at least one sensor is configured to generate and communicate to the controller a signal indicative of a change in resistance or capacitance when exposed to moisture, wherein upon receipt of the signal indicative of the change in resistance or capacitance from the at least one sensor, the controller is configured to cease operation of the at least one pump to cease circulation of the coolant through the plurality of cold-plates.
Resumen de: US20260066374A1
One aspect provides a battery cooling pouch including a first thin film sheet defined as a first cooling fin having a first major surface to contact a battery cell, a second thin film sheet defined as a second cooling fin having a first major surface, and a panel insert of a polymeric material, wherein perimeter edges of the first and second thin film sheets are sealed to confine the panel insert between the first and second thin film sheets, the panel insert having a major surface defining coolant flow grooves exposed to the first thin film sheet to form coolant flow channels. The cooling pouch includes at least one interior seal between at least a portion of the first thin film sheet and the major surface of the panel insert to direct a coolant fluid through the coolant flow channels.
Resumen de: US20260066373A1
An energy storage system includes a module unit comprising the plurality of battery modules. The plurality of battery modules each accommodates a plurality of cell units. Each of the plurality of cell units comprise a plurality of battery cells arranged in a first direction and are arranged in a second direction, perpendicular to the first direction. A pipe portion is connected to a fire extinguishing tank storing a fire extinguishing agent and extends into the module unit. The pipe portion includes a main pipe extending from the fire extinguishing tank and a sub-pipe branched from the main pipe. One end of the sub-pipe is connected to a first branch point of the main pipe, and another end of the sub-pipe is connected to a second branch point of the main pipe. The sub-pipe extends to pass through all the plurality of battery modules.
Resumen de: US20260066278A1
A cathode for a lithium secondary battery according to embodiments of the present disclosure includes a cathode current collector, a first cathode active material layer disposed on at least one surface of the cathode current collector and including lithium metal phosphate particles, and a second cathode active material layer disposed on the first cathode active material layer and including lithium-transition metal oxide particles, wherein the content of the lithium-transition metal oxide particles, based on the total weight of the lithium metal phosphate particles and the lithium-transition metal oxide particles, is 20 wt % to 70 wt %.
Resumen de: US20260066275A1
An electrode assembly includes a first electrode plate including a first substrate and a first composite portion on the first substrate, a second electrode plate including a second substrate, a second composite portion on the second substrate, and a lithium coating layer on the second substrate, and a separator between the first electrode plate and the second electrode plate.
Resumen de: US20260062294A1
A process of producing silicon-containing materials includes converting a gas to a super-heated state in which it is at least partly in plasma form, and contacting the superheated gas with a silicon-containing first starting material to form a mixture including the gas and silicon, where-in the silicon-containing materials are produced by adding to the gas or the mixture a second starting material that can enter into a chemical reaction directly with the silicon in the mixture, or breaks down thermally on contact with the superheated gas and/or the mixture, and steps a. and b. are effected spatially separately from one another.
Resumen de: US20260066507A1
A battery, including a cell, a protection board and an injection-molded plastic structure. The injection-molded plastic structure encloses at least a tab, a top sealing edge, a main board and a portion of a flexible printed circuit board, an output end of the flexible printed circuit board is located outside the injection-molded plastic structure, and a groove is formed on the injection-molded plastic structure at a position corresponding to where the output end extends, with at least a portion of the output end being located within the groove. The groove has a minimum groove width of not less than 2 mm in a first direction, and has a groove depth of not less than 0.5 mm in a second direction. In this way, the injection-molded plastic structure provides effective protection for elements such as the protection board, and ensures a sufficient space for movement of the flexible printed circuit board.
Resumen de: US20260068049A1
Disclosed are a flexible printed circuit and a battery pack. The flexible printed circuit comprises a flexible cable, wherein a window portion is formed in the middle of the flexible cable, and a flexible die-cutting circuit is electrically connected to the window portion. The flexible cable is a flexible flat cable. The flexible die-cutting circuit or a small flexible printed circuit is electrically connected to the window portion. The window portion is rectangular. The invention has the beneficial effect that an FCC manufactured by a new process is bendable while original FFCs and FDCs are non-bendable.
Resumen de: US20260062230A1
The invention relates to a device and a method for transferring blanks to a transfer line, in particular for transferring blanks (10) to a material track, a transport track (14), a rotating roller and/or to products (12) transported along a conveyor belt, the device (1) comprising a positioning system (2) with at least two, in particular three or more, carriages (20) movable along a circumferential track and with a drive system (24), wherein the carriages (20) each have a product holder (22) and are designed to pick up one blank (10) at a time on the product holder (22), transport the blank (10) in a fixed position on the product holder, and transfer the blank (10) to the transfer line, and wherein the drive system (24) is designed to move the carriages (20) along the circumferential track at least in sections independently of one another.
Resumen de: US20260066337A1
A separator for a sodium battery, and a sodium battery, a secondary battery, and an electric apparatus comprising the separator. The separator for the sodium battery has a first surface and a second surface along its thickness direction, and a porosity of the separator decreases gradually from the first surface to the second surface.
Resumen de: WO2026045065A1
A secondary battery separator and a secondary battery. The secondary battery separator comprises a base material and a covering layer. The base material comprises a polyolefin microporous membrane with a polyolefin as the main component. The covering layer is configured on at least one surface of the base material. The covering layer comprises inorganic particles and polymer particles, wherein the inorganic particles are consecutively distributed in the covering layer, and the polymer particles are discretely distributed among the inorganic particles and protrude out of the surface of the covering layer. The inorganic particles are accumulated as few as possible in the direction of the polymer particles to form a slope, such that the problem of the film surface being uneven after hot pressing can be mitigated.
Resumen de: WO2026045019A1
Provided in the present disclosure are a solid electrolyte with a carbon coated surface, a preparation method therefor, and the use thereof. The preparation method comprises the following steps: A) subjecting a solid-state electrolyte to alkaline washing in an alkaline solution, and then aging the alkaline-washed solid-state electrolyte in an air atmosphere to generate Li2CO3 on the surface, so as to obtain an aged solid-state electrolyte, the alkaline solution being an aqueous solution of lithium hydroxide and the concentration of the alkaline solution being less than 0.05 mol/L; B) subjecting the aged solid electrolyte to acid washing in a dilute acid solution, and drying same after the acid washing to obtain a dried powder; C) mixing the dried powder with a solution of an organic carbon source, and enables the carbon source to undergo surface adsorption or in-situ polymerization, so as to obtain an intermediate partially coated with the organic carbon source; and D) calcining the intermediate partially coated with the organic carbon source in an inert atmosphere, so as to obtain the solid electrolyte with a carbon coated surface. By means of the modes of alkaline washing and aging, the present disclosure achieves higher controllability over the carbon-coated surface area and is applicable to more types of electrolytes.
Nº publicación: WO2026044837A1 05/03/2026
Solicitante:
NANJING FIBERGLASS RES & DESIGN INSTITUTE CO LTD [CN]
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Resumen de: WO2026044837A1
The present invention belongs to the technical field of battery separators, and relates to a thin bag-type puncture-resistant AGM separator and a preparation method therefor. The thin bag-type puncture-resistant AGM separator comprises the following raw materials in percentages by mass: 50%-70% of high-alkali glass fibers and 30%-50% of reinforced fibers, wherein the high-alkali glass fibers comprise high-alkali glass fibers having a beating degree of 29-44°SR and high-alkali glass fibers having a beating degree of 19-29°SR; and the reinforced fibers are sheath-core-type fibers with dual melting points. In the present invention, a thin bag-type puncture-resistant AGM separator suitable for a barren-liquor-type lead-acid storage battery is prepared; and same has a bag-type structure, can completely cover a electrode sheet, and has high puncture resistance, thin and uniform thickness, high air permeability and low electrical resistance.