Resumen de: US20260018758A1
An end cover assembly, an energy storage device and electricity-consumption equipment. The end cover assembly includes an end plate, a pole and a connecting member. The end plate has a first surface and a second surface disposed opposite to each other along a thickness direction thereof. The end plate further has a first pole hole penetrating the end plate. The pole has a first pole section and a second pole section. An outer circumferential surface of the first pole section is connected with the outer circumferential surface of the second pole section through an annular stepped surface. The first pole section is inserted into the first pole hole. The connecting member is located at a side where the annular stepped surface of the pole is located, and has a second pole hole coaxially arranged with the first pole hole.
Resumen de: US20260018745A1
An energy storage apparatus and an energy storage system, where the energy storage apparatus includes a box, at least two mutually insulated input-output terminals, and at least two mutually independent high-voltage circuits; and each high-voltage circuit includes at least one battery, a plurality of batteries are accommodated in the box, and the high-voltage circuits are electrically connected to the input-output terminals in a one-to-one correspondence.
Resumen de: US20260018742A1
A secondary battery includes: an electrode assembly including a cathode, an anode, and a separator between the cathode and the anode; a case accommodating the electrode assembly in an internal space, and including a vent portion; a cap plate covering an upper portion of the case to seal the case; and an insulator between the electrode assembly and the case within the case. The vent portion is located at a side of the case opposite to the cap plate, and at least an area of the insulator overlapping with the vent portion includes a mesh area having a mesh shape.
Resumen de: US20260018677A1
A lithium secondary battery includes a positive electrode layer composed of a sintered body of lithium complex oxide, a negative electrode layer, a separator interposed between the positive electrode layer and the negative electrode layer, an electrolytic solution containing an electrolyte and a solvent and impregnated into the positive electrode layer, the negative electrode layer, and the separator, and an exterior body including a closed space in which the positive electrode layer, the negative electrode layer, the separator, and the electrolytic solution are accommodated. In a thickness direction of the positive electrode layer, a ratio of a thickness of the exterior body at a temperature of 80° C. and a pressure of 100 Pa to a thickness of the exterior body at a temperature of 25° C. and a pressure of 101325 Pa is 1.05 or more and 2.63 or less.
Resumen de: US20260018674A1
Provided is a secondary battery that makes it possible to achieve a superior battery characteristic. The secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The negative electrode includes lithium metal. The electrolytic solution includes a solvent. The solvent includes an orthocarbonic acid ester compound represented by Formula (1). A content of the orthocarbonic acid ester compound in the solvent is greater than or equal to 40 wt %.
Resumen de: US20260018671A1
A secondary battery includes a positive electrode plate, a negative electrode plate, and an electrolyte. The electrolyte includes vinylene carbonate, and based on a total mass of the electrolyte, a mass percentage a of the vinylene carbonate is 0.1% to 3%. The positive electrode plate includes a positive electrode active material, the positive electrode active material includes carbon element, and based on a total mass of the positive electrode active material, a mass percentage b of the carbon element is 0.5% to 6%.
Resumen de: US20260018668A1
An additive combination for an electrolyte for a secondary battery is provided. The additive combination comprises a thiol compound and an aromatic Schiff base. An electrolyte for a secondary battery comprising a salt and this additive combination is also provided together with a method of manufacturing this electrolyte. A secondary battery comprising an anode, a cathode, and this electrolyte between the anode and the cathode is provided together with a method of manufacturing this battery. In this battery, at least one electrode surface bears a layer comprising the thiol compound and the aromatic Schiff base. Finally, an electrode having a surface layer comprising the thiol compound and the aromatic Schiff base is also provided together with a method for manufacturing such electrode.
Resumen de: US20260018669A1
According to exemplary embodiments, an electrolyte for a lithium secondary battery which includes an additive including a compound represented by a specific formula; an organic solvent; and a lithium salt may be provided. Thereby, the lithium secondary battery including the electrolyte for a lithium secondary battery may provide excellent high-temperature characteristics and other performances (e.g., initial resistance, rapid charge performance, room-temperature capacity characteristics, etc.).
Resumen de: US20260018667A1
A solid electrolyte composition for an all-solid-state battery includes a solid electrolyte, a binder, a solvent, and a dispersant, wherein the dispersant is a carboxylic acid compound with a weight-average molecular weight of 1,000 to 5,000, a solid electrolyte membrane made therefrom, and an all-solid-state battery comprising the same.
Resumen de: US20260016431A1
A method of evaluating a convective heat transfer amount using a device for evaluating a convective heat transfer amount, the method including providing the device for evaluating a convective heat transfer amount, the device including a first cell, a second cell, a heater, and an upper plate, performing operation (a) of igniting the first cell and calculating a conductive heat transfer rate from the first cell to the second cell, and performing operation (b) of igniting the first cell, measuring a heat propagation time, the heat propagation time being a time from ignition of the first cell to a time when the second cell reaches a limit heat quantity, and calculating the convective heat transfer amount from the first cell to the second cell based on the second heat propagation time and the conductive heat transfer rate.
Resumen de: US20260015919A1
A plugging device includes a wrapping body, the wrapping body includes a flexible outer wall and a rigid body located inside the wrapping body, a filler is arranged in a remaining space, other than a space occupied by the rigid body, in the wrapping body; and the filler has fluidity. The plugging device can better cover, fill and plug special-shaped holes, and the deformed wrapping body will fill an inlet of a perforation hole and will not easily fall off without a pressure difference.
Resumen de: US20260015767A1
A cathode material, a preparation method thereof and a battery. The cathode material has a chemical formula of LinNi1-x-yMxMnyO2, where 0.9≤n≤1.2, 0
Resumen de: US20260015760A1
Disclosed herein are systems and methods for synthesis of submicron-scale or micron-scale single crystal cathode (SCC) material, such as NMC, using a feedstock and microwave plasma processing. Microwave plasma processing of these SCC materials provides a low cost, scalable approach. In some embodiments, advanced SCC materials may be synthesized through microwave plasma processing of feedstock materials, wherein the SCC materials may comprise at least 80% nickel. In some embodiments, the microwave plasma processing may enable synthesis of SCC materials with very short calcination.
Resumen de: US20260015703A1
A method includes: providing a cold-rolled alloy foil material; carrying out recrystallization annealing treatment on the alloy foil material, and then carrying out first cooling treatment to obtain an alloy foil material having a first component phase; carrying out phase separation thermal treatment on the alloy foil material, and then carrying out second cooling treatment to separate out a second component phase and obtain an alloy foil material having both the first and second component phase, where the temperature of the phase separation thermal treatment is smaller than the temperature of the recrystallization annealing treatment, and an average cooling rate of the second cooling treatment is smaller than an average cooling rate of the first cooling treatment; and carrying out dealloying treatment on the alloy foil material, carrying out reduction annealing treatment in a reducing gas atmosphere, and carrying out third cooling treatment to obtain a porous metal structure.
Resumen de: WO2026012067A1
Disclosed in the present application are a battery, a battery case and an electric device. The battery comprises a battery case and battery cells. The battery case forms an accommodating space, the battery case comprising a main body and a heat exchange member, wherein the main body comprises a first metal layer and a second metal layer which are stacked, the main body serving as a wall of the accommodating space, and the heat exchange member is welded to the second metal layer; the first metal layer is made of a first material, and the second metal layer and the heat exchange member are made of a second material. The battery cells are arranged in the accommodating space. The first metal layer includes a steel plate layer, the second metal layer includes an aluminum plate layer, and the heat exchange member includes an aluminum heat exchange member; alternatively, the first metal layer includes an aluminum plate layer, the second metal layer includes a steel plate layer, and the heat exchange member includes a steel heat exchange member. The main body is provided with a first aluminum-removed area; the main body further comprises a support beam, which is located in the accommodating space and is welded to the steel plate layer corresponding to the first aluminum-removed area. The present application can simplify the assembly process, improve the stability between the heat exchange member and the main body, and improve the thermal management efficiency of the battery.
Resumen de: WO2026012087A1
A power system (100), comprising power batteries (10), controllers (20) and drive motors (30). The power batteries comprise a first power battery (11) and a second power battery (12), a negative electrode of the first power battery being connected to a positive electrode of the second power battery, and a negative electrode of the second power battery being adapted to be connected to a negative electrode of a charging port. The controllers comprise a first controller (21) and a second controller (22), the first controller and the second controller being selectively connected between a positive electrode of the first power battery and the negative electrode of the second power battery, the first controller being adapted to be connected between a positive electrode of the charging port and the negative electrode of the charging port, and the second controller being adapted to be connected between the positive electrode of the charging port and the negative electrode of the charging port. The drive motors comprise a first drive motor (31) and a second drive motor (32), wherein one end of the first drive motor is selectively connected to the positive electrode of the first power battery, or is selectively connected to the negative electrode of the first power battery and the positive electrode of the second power battery; and one end of the second drive motor is selectively connected to the negative electrode of the first power battery and the positive electrode of the second pow
Resumen de: WO2026013689A1
A process for synthesizing carbon coated sodium vanadium phosphate and product thereof is provided. The process involves producing in-situ carbon coated sodium vanadium phosphate (Na3V2(PO4)3) via additive-assisted high energy milling. The process offers significant advantages, including reduced synthesis time, energy efficiency, scalability, and cost-effectiveness. The resultant in-situ carbon coated sodium vanadium phosphate exhibits uniform particle size and improved conductivity and stability, making it suitable for various energy storage applications, such as sodium-ion batteries, sodium-ion symmetric cells, and hybrid supercapacitors. The process provides a commercially viable route for producing high- performance electrode materials with superior cycling stability and specific energy.
Resumen de: US20260018743A1
A voltage monitoring module includes a flexible printed circuit board and a support case supporting the flexible printed circuit board. The flexible printed circuit board includes a body and a branch branched from the body and having an extension extending in a first direction which is the longitudinal direction of the body. The branch has, at a tip end portion thereof, a connection terminal to be connected to a cell terminal of a battery cell. The support case includes a first case, a second case on which the body is to be mounted and which is provided movably in the first direction relative to the first case, and a movement restrictor that restricts movement of the second case after the second case has moved to a final set position.
Resumen de: US20260019295A1
A voltage level translator device for a data bus. The voltage level translator includes: a first data bus terminal; a first supply voltage terminal; a first reference voltage terminal; a second data bus terminal; a second supply voltage terminal; and a second reference voltage terminal. The voltage level translator also includes a first transceiver unit having a transmit line terminal and a receive line terminal, wherein the first transceiver unit is powered via the first supply voltage terminal and the first reference voltage terminal and is connected to the first data bus terminal. A first galvanically isolated signal transmission unit is connected to the transmit line terminal of the first transceiver unit, and a second galvanically isolated signal transmission unit is connected to the receive line terminal of the first transceiver unit. A second transceiver unit includes a transmit line terminal and a receive line terminal.
Resumen de: US20260018741A1
The invention provides a battery cell, semi-finished stacked battery cells structure and the positioning method thereof. The battery cell includes a positive and a negative current collector, which respectively includes an active material coating zone, a glue frame adhering zone, an electric output zone and a remaining zone considered as invalid zone. At least two through holes are located at the invalid zone. The battery cells will be positioned by positioning pins inserted into the through holes of a plurality of stacked battery cells. After welding the positive and the negative electric output zones, the invalid zones are cut to make the energy density be maximized for the stacked battery cells.
Resumen de: US20260018756A1
Provided are a pole, an upper cover assembly, an electrical adapter, a battery cell and a battery pack, mainly solving the problem of heat dissipation of batteries. A through groove is formed in the pole and the electrical adapter so as to mount a heat transfer tube, so that the temperatures of the pole, the electrical adapter and the battery may be effectively controlled after being transferred by the heat transfer tube.
Resumen de: US20260018663A1
A solid electrolyte includes an organic polymer represented by Chemical Formula 1. The polymer comprises a repeating unit having at least one of ester, thioester, or dithioester linkages, and may include alkyl, aryl, or heteroaryl substituents. The solid electrolyte exhibits enhanced ionic conductivity and thermal stability, making it suitable for application in a non-pressurized secondary battery. A method for preparing the solid electrolyte involves polymerizing a monomer containing functional groups defined in Chemical Formula 1 under controlled conditions. The secondary battery includes the solid electrolyte and demonstrates improved cycle characteristics and safety. The invention provides a solid electrolyte solution that enables safer battery designs for non-pressurized secondary batteries without compromising performance.
Resumen de: US20260018662A1
This invention relates to a lithium-deficient solid electrolyte substituted with zinc. The present inventors have surprisingly found that these zinc-substituted lithium-deficient solid electrolyte display an increased ionic conductivity. Moreover, these solid electrolyte compositions according to the invention display a reduced H2S gas evolution upon contact with moisture.
Resumen de: US20260018660A1
A solid electrolyte membrane for an all-solid-state battery, includes a first solid electrolyte particle and a second solid electrolyte particle, wherein the Young's modulus of the first solid electrolyte particle is higher than the Young's modulus of the second solid electrolyte particle, wherein the first solid electrolyte particle and the second solid electrolyte particle have an average particle size (D50) of 1 μm to 5 μm, wherein the first solid electrolyte particles and the second solid electrolyte particles are mixed in a weight ratio of less than 7:3 to 2:8, and an all-solid-state battery comprising the same.
Nº publicación: US20260018673A1 15/01/2026
Solicitante:
ENEVATE CORP [US]
Enevate Corporation
Resumen de: US20260018673A1
An energy storage device comprising a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode comprises a self-supporting composite material film, a separator between the first electrode and the second electrode, and an electrolyte in contact with the first electrode, the second electrode, and the separator, wherein the electrolyte comprises at least one of a fluorine-containing cyclic carbonate, a fluorine-containing linear carbonate, and a fluoroether. The composite material film having greater than 0% and less than about 90% by weight of silicon particles, and greater than 0% and less than about 90% by weight of one or more types of carbon phases. At least one of the one or more types of carbon phases can be a substantially continuous phase that holds the composite material film together such that the silicon particles are distributed throughout the composite material film.