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1408
resultados
Última actualización
17/12/2025 [07:14:00]
Resultados 25 a 50 de 1408
Resumen de: WO2025253075A1
The present invention relates generally to the field of storing electrical energy in rechargeable secondary Na-ion or K-ion batteries. More precisely, the invention relates to an anode coating for an all-solid-state Na-ion or K-ion battery. The invention also relates to a method for preparing said coating. The invention further relates to an anode coated with this coating, to the method for producing such an anode, and to secondary Na-ion or K-ion batteries comprising such an anode.
Resumen de: WO2025253077A1
The present invention relates to an anode coating composition comprising a polymer and an alkali metal salt having a mass ratio of 0.1 or more.
Resumen de: WO2025253078A1
The present invention relates generally to the field of storing electrical energy in rechargeable Na-ion or K-ion secondary batteries. More specifically, the invention relates to a cathode coating for an all-solid-state Na-ion or K-ion battery. The invention also relates to a method for preparing said coating. The invention also relates to a cathode coated with this coating, to a method for manufacturing such a cathode, and to the Na-ion or K-ion secondary batteries comprising such a cathode.
Resumen de: WO2025253076A1
The present invention relates to an anode coating composition comprising a polymer and an alkali metal salt, the mass ratio of which is 0.6 or more.
Resumen de: WO2025253068A1
The invention relates to a cooling device for an electric battery, comprising: - a flexible casing (32) made of two sheets (36) of flexible material extending next to each other, the casing (32) having weld regions (38) in which the sheets (36) are secured to each other and separation regions (40) in which the sheets (36) can extend away from each other, - at least one fluid circulation channel (52) extending between the sheets (36) through at least one of the separation regions (40), characterized in that the cooling device (30) further comprises: - a support structure fastened to the casing (32), the support structure comprising a semi-rigid plate (54) in contact with the casing (32) in a fastening direction, the semi-rigid plate (54) extending perpendicularly in relation to the fastening direction, the semi-rigid plate (54) being capable of deforming in compression in the fastening direction in order to compensate for a deformation of the casing (32) under the effect of an internal fluid-circulation pressure in the at least one channel (52).
Resumen de: WO2025254551A1
This disclosure provides an improved universal interchangeable battery for electric vehicles forming part of a battery swapping ecosystem that includes electric vehicles, swappable batteries, a charging/swap station, a battery adaptor for reliable charging and communication, and a mobile application for managing battery swapping within a fleet and a network of charging stations, enabling efficient and user-friendly battery exchanges.
Resumen de: WO2025252384A1
A method of production of layered composite material packs for use as an electrode by a material bonding process, comprises: stacking multiple material layers to be bonded forming a pack, assembling several packs for forming a stack, with placing inert interface plates between adjacent packs (3) to separate the packs by the inert interface plates, placing inert interface plates on top and bottom of the stack, placing the stack in between a top and a bottom plate and connecting the top and bottom plates with constraining fixtures for forming a rack, whereas the material of the constraining fixtures is so chosen that their thermal expansion coefficient is smaller than a value of thermal expansion for the total of the stack, pressing towards each other the top and bottom plates to apply an initial pressing force, placing the rack into a furnace, heating up the furnace to a bonding temperature with a heating rate between 0.1K/min and 35K/min and applying a connecting pressure due to the difference in thermal expansion coefficients of the stack material and the constraining fixtures, holding the bonding temperature for a predetermined time to form a bond via material diffusion in between the material layers, cooling down the furnace, disassembling the stack and removing the bonded packs.
Resumen de: WO2025252356A1
The battery comprises a cup-shaped container (8) closed off by a lid comprising an inner conductive portion (1), an insulating portion (2) around the inner portion, and a peripheral conductive portion (3, 4) that is fixed to the upper edge of the container by a conductive and sealing connection. The container houses an electrode assembly (100) comprising alternately stacked electrodes of a first and second polarity. The electrodes are coupled together by interconnected tabs (13, 12). A non-coated side of an electrode (11'') of the second polarity is connected to the base (40) of the container. A top insulating sheet (18) lies on top of a conductive sheet (16, 32) that is connected to the tabs (13) of the first polarity type. The top insulating sheet is provided with an opening (19), thereby exposing a portion of the conductive sheet. This exposed portion is electrically connected to the inner portion (1) of the lid. Said inner portion thereby forms the first polarity contact of the battery, while at least the base of the container forms the second polarity contact.
Resumen de: WO2025251093A1
The invention relates to a method for operating an electrical energy store for a battery-operated apparatus (1), for example an electrical device, an electric vehicle or the like, wherein the apparatus (1) is supplied with electrical energy by the electrical energy store (3), and to an associated energy management system, wherein the following steps are provided: - providing (S1) a plurality of separate battery modules (4), in particular connected or connectable in parallel, in the electrical energy store (3); supplying (S2) the apparatus with electrical energy from a battery module (Y); checking (S3) the state of charge of the battery module (Y) used for supplying the apparatus; and - switching (S4) to a further battery module, located in the electrical energy store (3), for supplying the apparatus (1) with electrical energy when a predefined supply quantity of the battery module (Y) used for supplying the apparatus is not met.
Resumen de: WO2025252359A1
The battery comprises a stack formed of multiple stacked pairs of a first and a second electrode (2, 5) and further formed of separator sheets (8, 9) arranged between adjacent electrodes of the stack, each electrode comprising a coated metal foil portion (3, 6) and a non-coated metal tab (4, 7), wherein the first electrode tabs are superposed and interconnected in a first tab stack and the second electrode tabs are superposed and interconnected in a second tab stack. The battery is characterized in that in at least one of the tab stacks, at least two of the stacked tabs have mutually different in-plane dimensions. The anode tabs (4a-4c) and/or the cathode tabs of the battery may for example be stacked in stepwise fashion starting from a larger tab (4a) at the bottom of the stack to a smaller tab (4c) at the top.
Resumen de: WO2025253147A1
A composite cathode active material includes: a first component, having a first formula of LixNiaCobR1 cR 2 dO2, where R1 is Mn or A1, R2 is selected from a group comprising A1, Ti, Zr, Nb, Ba, La, and Ag, 1≤x≤1.1, 0.5≤a≤0.8, 0
Resumen de: WO2025253146A1
The present disclosure provides an electrolyte, a secondary battery and an electronic device. The electrolyte includes a first additive selected from at least one of silane amides, and a second additive selected from at least one of fluorinated ethylene carbonates.
Resumen de: WO2025252341A1
One or more markers (15, 16) are produced on at least one of the tabs (4, 7) of the electrodes (2, 5) which form the basic components of the battery. The electrodes include at least one pair of a first electrode (2) and a second electrode (5), each having a coated foil portion (3, 6) and a non-coated tab (4, 7). The markers can be indicative of technical and/or reference information related to the electrode to which the marked tab is attached, or of information regarding required manipulations of the electrode to which the marked tab is attached, wherein the method includes reading a marker on the marked tab and performing a manipulation of the electrode based on information derived from said marker.
Resumen de: US2025379293A1
A power storage device includes: a rectangular cylindrical case body having openings at both ends in the length direction of the case body; an electrode body housed in the case body; a first lid attached to the opening at one end of the case body in the length direction; and a second lid attached to the opening at another end of the case body in the length direction. The case body includes a pair of opposed wide width surfaces and a pair of opposed narrow width surfaces continuous with the pair of wide width surfaces. A plurality of projections along the length direction of the case body are located on an inner side of at least a surface of the narrow width surfaces and the wide width surfaces of the case body.
Resumen de: US2025379271A1
A battery system may include a battery pack including a plurality of battery cells, a flexible printed circuit board (FPCB) located on an upper surface of the battery pack and including a first wiring connected to a terminal of the battery pack and a second wiring arranged along a path passing through upper portions of each of the plurality of battery cells, and a battery management system (BMS) including a logic gate that is driven by a first voltage provided from the battery pack through the first wiring and generates an output according to a second voltage provided through the second wiring. Further, the BMS may be configured to determine whether the battery pack is abnormal according to the output of the logic gate.
Resumen de: US2025379255A1
An electrolyte, a lithium-ion battery including the electrolyte, and an electric device including the lithium-ion battery, where the electrolyte includes metal ions, and the metal ions include at least one of K+, Rb+, and Cs+; where a molar concentration CM of the metal ions in the electrolyte satisfies: 0.03 M≤CM.
Resumen de: US2025379227A1
Electrodes having electrolyte additives and electrochemical cells that cycle lithium ions and include the electrodes are provided. The electrodes include a lithium-rich, manganese-rich layered oxide electroactive material, and an electrolyte including two or more electrolyte additives selected from the group consisting of: a lithium salt additive, a fluorinated ester-based additive, a silicon-based additive, and combinations thereof.
Resumen de: US2025379292A1
A battery being as one aspect of a herein disclosed electricity storage device includes a case main body, an electrode assembly, a first lid body, and a second lid body. The case main body includes a pair of wide width surfaces being opposed to each other, and a pair of narrow width surfaces that are opposed to each other and that are configured to continue to the pair of wide width surfaces. A recessed part configured to elongate along a length direction of the case main body is present at an inner side of at least one narrow width surface of the pair of narrow width surfaces.
Resumen de: US2025379204A1
A paste coating system comprises a dispensing head assembly operatively connected to a coating frame, the dispensing head assembly including one or more dispensing heads configured to dispense paste (thixotropic and/or non-Newtonian) onto a grid with respect to the coating frame, and a ultrasonic transducer adjacent to the one or more dispensing heads configured to regulate viscosity of the paste such that the paste is coated onto the grid uniformly without risking material properties. The paste coating system also comprises a controller configured to automatically control operation of the dispensing head assembly and ultrasonic transducer during coating according to one or more coating profile.
Resumen de: US2025379212A1
A battery cell includes C cathode electrodes, A anode electrodes, and S separators, where A, C, and S are integers. Each of the A anode electrodes includes an annealed aluminum foil layer and a lithium aluminum layer arranged on one side of the annealed aluminum foil layer.
Resumen de: US2025379209A1
A drying method for a lithium battery and a lithium battery are provided, including: step 1: placing a cell to be dried in an oven; Step 2: performing the following drying processes for a plurality of rounds: adjusting a temperature and a vacuum level in the oven, where the temperature and vacuum level are readjusted in the oven when performing the drying processes for a next time, and compared to the drying processes in a previous time, the temperature in the oven is decreased in a stepwise manner, and the vacuum level in the oven is increased in a stepwise manner; and step 3: performing a moisture test on the cell to be dried.
Resumen de: US2025379205A1
The invention relates to lithiated mixed metal compositions having ultrathin film coatings of varying thicknesses on lithium ion sites and on metal oxide sites, wherein the thickness of the ultrathin film at least partially covering the metal oxide sites is greater than the thickness of the ultrathin film at least partially covering the lithium ion sites. Also disclosed is a method for forming the compositions, comprising selectively coating one area of a multi-component substrate. Materials such as mixed metal oxides, for use in lithium battery electrodes, may be improved by a coating which preferentially deposits onto one or more elements in the mixed material but not another.
Resumen de: US2025379003A1
An electrochemical device includes a positive electrode containing a positive electrode active material reversibly doped with anions, a negative electrode containing a negative electrode active material reversibly doped with lithium ions, and an electrolytic solution containing a solvent and a lithium salt. The lithium salt includes an imide-based lithium salt, and the positive electrode active material contains a porous carbon material. A total surface functional group amount F (meq/g) per unit weight of the porous carbon material and an area S (nm2) of a circle having an average pore diameter of the porous carbon material as a diameter thereof satisfy a relationship of 0.01≤F/S≤0.20.
Resumen de: WO2025251685A1
Provided in the present application are a battery case and a multi-layer battery system. The multi-layer battery system comprises a battery case, an electrically conductive assembly and a plurality of battery cell assemblies (20), wherein the battery case comprises a bottom protection plate (11), a case cover (13), and a case body, which is connected to the bottom protection plate (11) and the case cover (13), the case body comprising at least two stacked assembly cases (12), and openings being provided at the upper and lower ends of the assembly cases (12); the plurality of battery cell assemblies (20) are stacked, and the battery cell assemblies (20) are arranged in each of the assembly cases (12); and the electrically conductive assembly is arranged in the battery case, and is configured to electrically connect the plurality of battery cell assemblies (20).
Nº publicación: AU2023204056A1 11/12/2025
Solicitante:
RISCO RAUL IOAN
RISCO, Raul-Ioan
Resumen de: AU2023204056A1
The invention refers to a module/rack, for storing electrical energy, which is a device consisting of two or more cells/modules, put together by means of composite material plates, rods and connecting elements, resulting in a rigid assembly, having a cooling and/or forced heating system, at the battery cell level. Cooling and/or heating is done by convection and conduction, convection being ensured by a turbine fan and side radiators through which cooling liquid circulates, and conduction, at the cell level, by a heat exchanger made of copper wool or other thermally conductive materials, in direct contact with the surfaces of the battery cells, with controlled humidity. The module has an anti-fire system, consisting of a flammable gas exhaust system and the injection or spraying of inert gas and/or anti-fire liquid and from ampoules with anti-fire liquid.
BOPI
Sede Electrónica
