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1718
resultados
Última actualización
03/10/2025 [07:23:00]
Resultados 1450 a 1475 de 1718
Resumen de: US2025293249A1
In general, according to one embodiment, a secondary battery including a positive electrode, a negative electrode, and a nonaqueous electrolyte. The negative electrode includes at least one selected from the group consisting of lithium metal, a lithium alloy, and a compound capable of allowing Li to be inserted and extracted. The nonaqueous electrolyte includes an ionic liquid and 0.5 wt % or more and 30 wt % or less of a urea compound.
Resumen de: US2025293346A1
A system for circulating coolant comprises a fluid transfer manifold having at least a first inlet port and one or more fluid ports. The fluid ports are connected to one or more coolant circuits. A fluid pump connected to a heat generating component and to the first inlet port circulates the coolant in the coolant circuits. A valve mechanism attached to the fluid transfer mechanism is operable to fluidically connect the first inlet port to one or more of the fluid ports and circulate coolant in the coolant circuits.
Resumen de: US2025293309A1
An exemplary all-solid-state battery includes a positive electrode in which a positive electrode layer may be provided on both surfaces of a positive electrode current collector layer, a pair of solid electrolyte layers disposed on the both surfaces of the positive electrode, and a negative electrode disposed in each of the solid electrolyte layers and provided with a negative electrode layer on both surfaces of a negative electrode current collector layer, where an outer end portion of the solid electrolyte layer and an outer end portion of the negative electrode disposed on the same line in a thickness direction, where an outer end portion of the positive electrode have a first distance difference shorter than the outer end portion of the solid electrolyte layer, and where a gap of outer end portions of the pair of solid electrolyte layers and a side surface of the outer end portion of the positive electrode form a space between each other in which a gasket is interposed.
Resumen de: US2025293310A1
The electrode stack of the present disclosure includes a first current collector layer, a first electrode active material layer, a solid electrolyte layer, a second electrode active material layer, and a second current collector layer in this order. The electrode stack of the present disclosure has a side surface cut in a direction that is not the stacking direction of the electrode stack. The method of the present disclosure for manufacturing an electrode stack includes the following steps: (a) providing a preliminary stack 20 in which a first current collector layer, a first electrode active material layer, a solid electrolyte layer, a second electrode active material layer, and a second current collector layer are stacked in this order; and (b) cutting the side of the preliminary stack in a direction that is not the stacking direction of the electrode stack.
Resumen de: US2025293308A1
For an electrode assembly having an optimized irregularity structure, an all-solid state battery including the same, a manufacturing method of the electrode assembly, and a manufacturing method of the all-solid state battery, the electrode assembly is manufactured through a wet-wet coating method and has an appropriate irregularity. Thus, exposure of a solid electrolyte contained in an electrode active material layer to moisture is minimized. As a binder migrates to a solid electrolyte layer, a binder distribution within the electrode active material layer is uniform, resulting in excellent durability and electrochemical performance.
Resumen de: US2025293306A1
Electrolyte compositions for secondary batteries having a metal anode are provided. The compositions include an electrolyte salt of an alkali metal, an alkaline earth metal, zinc, or aluminum; at least one solvent which solubilizes the electrolyte salt; and up to 25 wt. % of a selected non-polar additive. The solvent is selected from cyclic sulfones, cyclic sultones, cyclic ethers, partially fluorinated sulfonamides, fluorinated solvents and glymes. The nonpolar additive is selected from aromatic hydrocarbons, partially fluorinated aromatic hydrocarbons, fluorinated monoethers, partly fluorinated polyethers, fluorinated phosphate esters and fluorinated linear sulfones. Multiple combinations of metal salts, solvents and nonpolar additives having a coulombic efficiency of with respect to plating and stripping of the metal of at least 90% are provided.
Resumen de: US2025293304A1
A positive electrode, a negative electrode, a separator, and an electrolytic solution are included, and the electrolytic solution contains an acetamide derivative represented by Formula (1) and lithium bis(fluorosulfonyl)imide:In Formula (1), R1 and R2 each independently represent an alkyl group or alkoxy group having one to five carbon atoms and optionally having a substituent, or a trimethylsilyl group, and R1 and R2 may be bonded to each other to form a fused ring.
Resumen de: US2025293248A1
A secondary battery has a high capacity and little deterioration can be provided. Alternatively, a novel power storage device is provided. The secondary battery includes a positive electrode and a negative electrode. The negative electrode includes a first active material, a second active material, and a graphene compound. At least part of a surface of the first active material includes a region covered with the second active material. A surface of the second active material and at least part of the surface of the first active material each include a region covered with the graphene compound. The first active material includes graphite. The second active material includes silicon. The capacity of the positive electrode is greater than or equal to 50% and less than 100% of the capacity of the negative electrode.
Resumen de: US2025293328A1
The system for dismantling the spent lithium-ion battery pack includes: a transfer section including transfer rails and a gantry robot on the transfer rails; a discharge processing section including an index table on which a discharging task of discharging a battery pack is performed; a battery disassembly section including a worktable on which a disassembly task is performed to cut connections of the battery pack, disassembly robots, and first transfer trolleys; and a cell extraction section including an extraction robot, a second transfer trolley configured to carry out battery cells, of which the connections have been cut by the disassembly task, to the outside, and a third transfer trolley configured to carry out a tray on which the battery cells are placed to the outside. The index table, the worktable, the second transfer trolley, and the third transfer trolley are arranged directly below the transfer rail.
Resumen de: US2025293281A1
Disclosed herein relates to a sealing device for a pouch-type secondary battery, the sealing device including a light source part for irradiating light and a pressurizing part for heating and pressurizing a sealing part of a pouch-type case using light irradiated by the light source part, wherein, by applying a first light transmitting material having a high thermal conductivity and a high light refractive index to the sealing unit of the pressurizing part that contacts the sealing part of the pouch-type case, not only can the sealing part of the pouch-type case be uniformly sealed, but also can prevent damage to the sealing unit heated to a high temperature during sealing, so that the quality of the secondary battery can be improved, and at the same time, processability and economy can be improved.
Resumen de: US2025293244A1
A negative active material, a method of preparing the same, a negative electrode including the same, and a rechargeable lithium battery including the same are provided. The negative active material has a peak intensity ratio (I(110)/I(002)) of a peak intensity at a (110) plane relative to a peak intensity at a (002) plane of about 30 to about 70, as measured by X-ray diffraction using a CuKα ray, and including an aggregate where spherical graphite and non-spherical artificial graphite are aggregated (e.g., agglomerated).
Resumen de: US2025293245A1
A main object of the present disclosure is to provide a composite active material capable of suppressing an increase in battery resistance. The present disclosure achieves the object by providing a composite active material comprising: an active material particle having a core particle and a first coating layer coating the core particle, and a second coating layer coating the active material particle, wherein the first coating layer contains a first solid electrolyte, the second coating layer contains a carbon-based conductive material and a second solid electrolyte, and in the active material particle, a ratio (conductive material coverage) of a part in contact with the carbon-based conductive material of the second coating layer is 0.9% or more and less than 5.0%.
Resumen de: US2025290209A1
A method for producing a CNM product includes: heating an electrolyte media to obtain a molten electrolyte media; positioning the molten electrolyte media between an anode and a cathode of an electrolytic cell; introducing a source of carbon into the electrolytic cell; introducing an iron-free, chromium-containing additive into the electrolyte media before the step of heating or introducing the iron-free additive into the molten electrolyte media, in which the iron-free, chromium-containing additive is added in an amount of between about 0.05 wt % to about 2 wt %, relative to the amount of the electrolyte media or the molten electrolyte media; applying an electrical current to the cathode and the anode in the electrolytic cell; and collecting the CNM product from the cathode.
Resumen de: US2025288078A1
A system and method for an intelligent hair dryer with capabilities to transmit information to/from an external device. The hair dryer houses control circuitry, such as a processor and control circuit board to control the hair dryer. The hair dryer may include one or more sensors configured to provide information to the control circuitry to perform various functions. The control circuitry may communicate the information to the external device.
Resumen de: US2025289947A1
A thermoplastic elastomer composition and an elastomer or elastomer-textile or metal composite article incorporating the composition. The composition includes (i) at least one elastomer, (ii) at least one polyolefin including a recycled polyolefin part and optionally a virgin polyolefin part, (iii) a reinforcing filler, (iv) a plasticising system, and (v) an antioxidant system. The composition includes, in mass fractions: more than 35% of the at least one polyolefin, and less than 30% of the plasticising system.
Resumen de: US2025290989A1
A system for performing electrochemical impedance spectroscopy for a battery, the system comprising: a switch operable to apply an AC stimulus signal to the battery; current monitor circuitry configured to be coupled to the battery and to provide a battery current signal indicative of a current through the battery; voltage monitor circuitry configured to be coupled to the battery and to output a battery voltage signal indicative of a voltage across at least one cell of the battery; a processing subsystem having a first input coupled to an output of the current monitoring circuitry and a second input coupled to an output of the voltage monitoring circuitry, wherein the processing subsystem is configured to determine an impedance of the at least one cell of the battery based on the battery current signal and the battery voltage signal while the AC stimulus signal is being applied to the battery.
Resumen de: US2025290986A1
A method of classifying a battery includes causing a computer to perform the following steps. Obtaining the manufacturing conditions of the plurality of batteries, predicting the durability performance of the plurality of batteries from the obtained manufacturing conditions based on the relationship between the manufacturing conditions of the batteries and the durability performance of the batteries, and classifying the plurality of batteries based on the similarity of the predicted durability performance. The method of the present disclosure for manufacturing a battery module includes connecting batteries having similar durability performance classified according to the method of the present disclosure for classifying batteries in parallel or in series.
Resumen de: WO2025190033A1
An electrochemical device and an electronic device. The electrochemical device comprises a positive electrode sheet, wherein the positive electrode sheet comprises a positive electrode current collector and a positive electrode active material layer arranged on at least one surface of the positive electrode current collector. The positive electrode active material layer comprises conductive particles, wherein the conductive particles comprise at least one of antimony-doped tin oxide (SnO)x1(Sb2O3)x2 or aluminum-doped zinc oxide (ZnO)y1(Al2O3)y2, with the ratio of x1:x2 ranging from 80:20 to 95:5, and the ratio of y1:y2 ranging from 85:15 to 99:1. The antimony-doped tin oxide (SnO)x1(Sb2O3)x2 and the aluminum-doped zinc oxide (ZnO)y1(Al2O3)y2 have good conductivity and a poor adsorption capacity, such that the conductivity of the conductive particles can be improved. The arrangement is beneficial for improving the conductivity of the conductive particles, thereby improving the cycle performance of the electrochemical device.
Resumen de: WO2025189938A1
The present application provides a secondary battery and an electric apparatus. The secondary battery comprises an electrode assembly, the electrode assembly being of a wound structure and comprising a positive electrode sheet, a negative electrode sheet, a first separator and a second separator; the first separator comprising a first base film and a first ceramic coating, the first ceramic coating being arranged on at least one side of the first base film, the first ceramic coating comprising first ceramic particles, and the first ceramic particles comprising at least one of aluminum oxide, zirconium dioxide, titanium dioxide, or silicon dioxide; the second separator comprising a second base film and a second ceramic coating, the second ceramic coating being arranged on at least one side of the second base film, the second ceramic coating comprising second ceramic particles, and the second ceramic particles comprising boehmite. The above arrangement enables a secondary battery to achieve a balance between energy density, cycle performance, and safety performance.
Resumen de: WO2025190025A1
Provided are an electrolyte, a battery, and an energy storage device, for use in solving the problem in existing batteries of poor high-voltage cycling stability and safety of electrolytes. The electrolyte comprises a lithium salt, a solvent, and additives. The additives include a first additive and a second additive. The first additive is one or more of compounds as shown in formula I, and the second additive is one or more of compounds as shown in formula II. R1-R6 are each independently selected from F, a C6-C26 fluoro-substituted phenoxy group, and a C1-C20 fluoro-substituted alkoxy group, R7-R12 are each independently selected from halogen, a C1-C20 fluoro-substituted alkyl group, a cyano group, and an amino group, at least one of R7-R12 is selected from the cyano group, and the halogen includes one or more of fluorine, chlorine, bromine and iodine.
Resumen de: WO2025190001A1
An electric device (2000) comprises an energy storage device (1000), wherein the energy storage device (1000) comprises a battery (200), the battery (200) comprises a chip assembly (100) for the battery (200), the chip assembly (100) comprises a chip (10), a positive electrode member (101) and a negative electrode member (102), the chip (10) comprises a circuit structure and a detection structure, there is an integrated circuit on the circuit structure, and the detection structure is electrically connected to the circuit structure; one end of the positive electrode member (101) is electrically connected to the circuit structure, and the other end of the positive electrode member (101) is suitable for being connected to a positive electrode of the battery (200); and one end of the negative electrode member (102) is electrically connected to the circuit structure, and the other end of the negative electrode member (102) is suitable for being connected to a negative electrode of the battery (200).
Resumen de: WO2025192501A1
This power storage element comprises: a container; a terminal including a terminal body and a shaft body extending in a first direction from the terminal body; and an insulation member disposed between the terminal body and a wall portion of the container. The shaft body penetrates the insulation member and the wall portion. The terminal body includes: a projecting portion projecting toward the wall portion; and an intermediate portion facing the wall portion and at least partly parallel to the wall portion. When viewed from the first direction, at least a part of the projecting portion is positioned at an end of the terminal body, the intermediate portion is positioned between the projecting portion and the shaft body, and the distance between the tip in the first direction of the projecting portion and the wall portion is shorter than a minimum distance between the intermediate portion and the wall portion.
Resumen de: WO2025192416A1
Disclosed is a positive electrode active material that comprises secondary particles which are each an aggregate of a plurality of primary particles, wherein: the plurality of primary particles each contain a lithium transition metal composite oxide; at least some of the plurality of primary particles are each covered with a coating film; the coating film contains a constituent element Mx that is an inorganic substance which has a vapor pressure of 1 atm or less at 400°C; and if R is the radius of the secondary particles, primary particles which are covered with a coating film that has a thickness T1 of 5 nm or less are present at a depth of 0.8R or more from the surfaces of the secondary particles.
Resumen de: WO2025192347A1
Provided is a laminate which comprises, in the following order, a base layer, a first adhesive layer, a metal foil layer, a second adhesive layer, and a sealant layer, wherein the sealant layer comprises a polypropylene-based resin and a polyethylene-based resin. When the composite modulus of a cross-section of the sealant layer at an indentation depth of 1,000 nm in a 25°C environment is referred to as a first composite modulus and the composite modulus of the cross-section of the sealant layer at an indentation depth of 1,000 nm in an 80°C environment is referred to as a second composite modulus, then a value obtained by dividing the second composite modulus by the first composite modulus is 0.20 or greater.
Nº publicación: WO2025191890A1 18/09/2025
Solicitante:
DOWA HOLDINGS CO LTD [JP]
AIST [JP]
\uFF24\uFF2F\uFF37\uFF21\u30DB\u30FC\u30EB\u30C7\u30A3\u30F3\u30B0\u30B9\u682A\u5F0F\u4F1A\u793E,
\u56FD\u7ACB\u7814\u7A76\u958B\u767A\u6CD5\u4EBA\u7523\u696D\u6280\u8853\u7DCF\u5408\u7814\u7A76\u6240
Resumen de: WO2025191890A1
Problem To provide a technology for synthesizing a lithium composite metal oxide having a garnet-type crystal structure and a high ion conductivity even when fired at a low temperature of 700ºC or lower. Solution An amorphous composite metal oxide powder containing La and Zr contains 40-62 mass% of La, 8-26 mass% of Zr, and 1-20 mass% of one or two of metal elements M that can take any oxidation number of 3-6, preferably, Ta and Nb, has a carbon content of at most 1.5 mass%, and contains a remainder consisting of oxygen and inevitable impurities. The amorphous composite metal oxide powder is used as a precursor for producing a single-phase garnet-type lithium composite metal oxide.
BOPI
Sede Electrónica
