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1601
resultados
Última actualización
20/03/2026 [07:15:00]
Resultados 275 a 300 de 1601
Resumen de: WO2026053160A1
An article includes a first sheet of a first non-cellulosic paper having a first major surface and an opposing second major surface and a structured paper including non-cellulosic fibers. The structured paper has ridges and troughs each having an outer surface with land areas, and the land areas of at least a portion of the ridges are joined to at least a portion of the first major surface of the first sheet. A battery module that includes a plurality of battery cells electrically connected to one another and the article is also described. Processes for making and using the article are also described.
Resumen de: WO2026053165A1
The invention provides a flexible lithium-ion battery 100 comprising a cathode 110, an anode 112 and an electrolyte 120 comprising lithium ions contained within a flexible casing 118, wherein each of the cathode 110 and the anode 112 independently comprises: a flexible current collector 122, 126 comprising a carbon-based fabric comprising a porous network of graphitic carbon fibre, wherein the graphitic carbon fibre comprises at least 85 wt.% carbon; and an electroactive composition 124, 128 supported on the flexible current collector 122, 126, the electroactive composition 124, 128 comprising an electrode material and a polymeric binder, wherein the electrode material of the cathode is a lithium- intercalating cathode material and the electrode material of the anode is a lithium- intercalating anode material, wherein the electroactive composition at least partially infiltrated through the porosity of the porous network of graphitic carbon fibre.
Resumen de: WO2026052510A1
The invention relates to a temperature control device, in particular for cooling, this device comprising an upper plate and a lower plate (3) joined to the upper plate such that together they form a plurality of flow channels (5) for a heat-transfer fluid, in which temperature control device: - at least two pairs of channels share a common channel (15), and the two interconnection bridges (16) are connected to this common channel (15), at two connection points which are separated from one another by a non-zero distance in the length direction of the channel, or - at least two pairs of channels (15) are formed by four separate channels, and the two interconnection bridges (16) are then separated from one another by the gap between the two pairs of channels (15).
Resumen de: WO2026052809A1
The subject matter of the invention provides a viable solvent treatment method for manufacturing surface-modified alkali metal sulfides or alkali metal thiophosphates, especially surface-modified lithium thiophosphates, e.g. Li6PS5Cl (mLi6PS5Cl). Utilizing nonpolar organic solvents to reduce the concentration of additives with Lewis-basic activity, the surface of, for example Li6PS5Cl, is modified to improve the ionic conductivity of electrolytes of type Li6PS5Cl or other lithium thiophosphates.
Resumen de: WO2026052516A1
The invention relates to a method of producing a separator for electrochemical elements, comprising the following steps A to E: A - providing an aqueous suspension comprising fibrillatable fibres of regenerated cellulose, B - treating the fibrillatable fibres of regenerated cellulose in the aqueous suspension from step A in a colloid mill with a grinding gap of at least 1.0 mm and at most 3.0 mm, an edge speed of at least 30 m/s and at most 50 m/s, and a discharge pressure of at least 0.4 MPa and at most 1.5 MPa, C - providing the aqueous suspension from step B in a headbox, D - dewatering the aqueous suspension from step C from the headbox at a revolving screen, in order to obtain a fibre web, and E - drying the fibre web by mechanical pressure and supply of heat, wherein at least 80% of the mass of the separator produced in steps A to E is formed by fibrillated fibers of regenerated cellulose, and the separator produced in steps A to E has a surface energy, determined by inverse gas chromatography, of at least 80 mJ/g, which is formed by the sum total of disperse and specific surface energy, and wherein the polarity of the separator is at least 0.06 and at most 0.20, wherein the polarity is the proportion of the specific surface energy in mJ/g of the surface energy in mJ/g.
Resumen de: WO2026052752A1
The present invention relates to a liquid electrolyte comprising: (i) at least one fluorinated ether of formula (I) wherein R1 is selected from -CHF2, -CF3, -CH2CHF2, -CH2CF3, -CF2CHF2, -CF2CF3, - CHFCHF2 and -CHFCF3; R3 is selected from -CHF2, -CF3, -CH2CHF2, -CH2CF3, -CF2CHF2, -CF2CF3, - CHFCHF2, -CHFCF3, -CH3, -CH2CH3 and (II); R2 is selected from -CH2-, -OCH2CH2-, -OCH2CH2CH2- and - OCH2CH2CH2CH2-; n is an integer from 0 to 10; and (ii) at least two lithium salts; and (iii) optionally, at least one co-solvent, wherein the at least one fluorinated ether represents from 50 to 80 wt.% with respect to the total weight of the electrolyte. The invention also relates to an electrochemical cell or battery comprising said liquid electrolyte, as well as to a method for preparing the electrolyte of the invention and to a method for preparing the electrochemical cell or battery comprising the electrolyte of the invention.
Resumen de: US20260074183A1
A method of making silicon-carbon composite particles is disclosed. The method includes: (A1) carrying out metallothermic reduction on initial particles comprising silicon oxide in the presence of a metal to form first intermediate particles comprising (1) an oxide of the metal and (2) silicon; (A2) forming a termination material on and in the first intermediate particles to form second intermediate particles; (A3) selectively removing the oxide of the metal from the second intermediate particles to form third intermediate particles; and (A4) forming a protective material on and in the third intermediate particles to form the silicon-carbon composite particles. In some implementations, the metal comprises magnesium or a magnesium-aluminum alloy. Silicon-carbon composite particles, lithium-ion rechargeable batteries, and other related processes and components are also disclosed.
Resumen de: US20260074185A1
A non-aqueous electrolyte secondary battery comprises an electrode body and an exterior body, and has a volumetric energy density of 600 Wh/L or more. The positive electrode includes: a positive electrode core body; and a positive electrode mixture layer containing a positive electrode active material. The positive electrode active material contains: a lithium-containing composite oxide having a layered rock-salt structure; and a surface modification layer that is present on particle surfaces of the composite oxide. The surface modification layer contains: at least one element of Ca and Sr; and at least one element selected from the group consisting of W, Mo, Ti, Si, Nb, and Zr. The positive electrode mixture layer has a base weight amount of 250 g/m2 or more. At least three positive electrode leads are connected to the positive electrode.
Resumen de: US20260074186A1
A positive electrode for a rechargeable lithium battery includes: a current collector; a first positive electrode active material layer on a first surface of the current collector; and a second positive electrode active material layer on a second surface of the current collector, wherein the first positive electrode active material layer includes a 1a layer in contact with the current collector and a 1b layer on a surface of the 1a layer, the 1a layer and the 1b layer each include a positive electrode active material and a binder, the 1a layer and the 1b layer have pores, a ratio of a porosity of the 1b layer to a porosity of the 1a layer is about 0.9 to about 1.1, and a thickness ratio of the first positive electrode active material layer to the second positive electrode active material layer is about 1.3:1 to about 3:1.
Resumen de: US20260074338A1
Disclosed is a secondary battery module, and a secondary battery pack and a vehicle including the same. The secondary battery module includes a plurality of secondary battery cells; a frame member coupled to the plurality of secondary battery cells to support the plurality of secondary battery cells and configured to divide the plurality of secondary battery cells into a first region and a second region by the coupling; and a cover configured to accommodate the plurality of secondary battery cells and the frame member, wherein the plurality of secondary battery cells have a water proofing structure, and wherein the water proofing structure prevents a coolant of the first region from flowing to the second region.
Resumen de: US20260074327A1
An automatic spindle adjustment apparatus includes a base frame, a spindle adjuster on the base frame, the spindle adjuster being configured to adjust an upper spindle mover to set a moving range of an upper spindle corresponding to a target occlusal thickness of a battery cell, a vertical mover on the base frame, the vertical mover being configured to move the spindle adjuster in an up-and-down direction, and a horizontal mover on the vertical mover, the horizontal mover being coupled to the spindle adjuster and configured to move the spindle adjuster in a forward-backward direction.
Resumen de: US20260074326A1
A cap assembly includes a terminal part to be electrically connected to an electrode plate of an electrode assembly, a laser-transmissive glass part arranged above an area at where a current collection member that electrically connects an electrode plate of the electrode assembly and the terminal part and the electrode assembly are combined, and a cap plate having a terminal opening with which the terminal part is combined and a glass opening with which the glass part is combined that is combined with a case that accommodates the electrode assembly.
Resumen de: US20260074321A1
A heat exchange system, a battery, and a control method. The heat exchange system includes a thermal management component, a throttling apparatus, a first temperature sensor, and a pressure sensor. The thermal management component includes a first medium inlet and a medium outlet. The throttling apparatus is communicated with the first medium inlet. The first temperature sensor is configured to detect the temperature of a first heat exchange medium at the medium outlet. The pressure sensor is configured to detect the pressure of the first heat exchange medium at the medium outlet. The throttling apparatus regulates the flow rate entering the first medium inlet in response to the first temperature sensor and the pressure sensor, to make the first heat exchange medium in the thermal management component in a gas-liquid mixed state.
Resumen de: US20260074317A1
A charge-discharge circuit, a method, a computing device, and a control apparatus thereof, where a regulation switch module is connected between a first energy storage element and a second switch module, utilizing an alternating current generated by a charge-discharge loop between a drive motor and a battery to achieve battery self-heating.
Resumen de: US20260074318A1
A battery module may include a plurality of battery cells, and a module case accommodating the plurality of battery cells. In addition, an outer surface of a lower frame of the module case may be formed with a plurality of engraved structures, and the plurality of engraved structures may include a space for accommodating a thermal resin.
Resumen de: WO2026051308A1
The present application relates to the technical field of batteries, and provides a battery cell, a manufacturing method, a manufacturing device, a battery apparatus, and an electric apparatus. The present application provides a battery cell. The battery cell comprises an electrode assembly, support spacers, and electrode terminals. The electrode assembly comprises a plurality of first tabs stacked in a first direction. The support spacers are stacked with the plurality of first tabs in the first direction, and the support spacers are connected to the plurality of first tabs by means of a first welding portion. The electrode terminals are connected to the plurality of first tabs and the support spacers by means of a second welding portion, wherein the projections of the first welding portion and the second welding portion on a plane perpendicular to the first direction at least partially overlap. In this way, the connection reliability of the tabs and the connection terminals can be improved, and the presence of the support spacers can provide support for the first tabs and improve the current-carrying capacity of the first tabs, thereby increasing the energy density of the battery.
Resumen de: WO2026051282A1
The present application relates to a cyclic aging test method, apparatus and system for a battery module, and to the technical field of energy storage tests. The method comprises: in a cyclic aging test, successively performing a charging operation and a discharging operation on a battery module; and, at the end of the discharging operation on the battery module, separately performing discharging operations on battery cells in the battery module. Using the solution of the present embodiment can reduce the test duration of cyclic aging, allowing for cyclic aging tests of short test duration for battery modules.
Resumen de: WO2026051309A1
The present application provides a positive electrode sheet and a preparation method therefor, and a battery. The positive electrode sheet comprises a positive electrode current collector, a first positive electrode active coating and a second positive electrode active coating, wherein in the first positive electrode active coating, the mass ratio of a first lithium manganese iron phosphate active material to a nickel cobalt manganese ternary active material is 80-90:8-15; and the second positive electrode active coating comprises a second lithium manganese iron phosphate active material. The areal density ρ1 of the first positive electrode active coating and the areal density ρ2 of the second positive electrode active coating satisfy: ρ1≥240 g/m2; ρ2≥240 g/m2; and |ρ1-ρ2|≤5 g/m2.
Resumen de: WO2026051275A1
The present application provides a separator and a preparation method therefor. The separator comprises a substrate layer and a heat-resistant layer located on at least one surface of the substrate layer, wherein the substrate layer comprises a polyolefin, and the heat-resistant layer comprises polymer fibers and inorganic ceramic particles; and the separator satisfies the following conditions: 1≤BL50/BW50≤6, 0.8≤Equation≤6, 0.1 μm≤BL50≤0.6 μm, and 0.04 μm≤TL50≤0.2 μm. According to the present application, adjusting dimensions of internal structural pores of a substrate layer and a heat-resistant layer reduces rigidity mismatch between the heat-resistant layer and the substrate layer, thereby increasing a rupture temperature of the separator, and mitigating the problem of separators easily fracturing when subjected to high-temperature treatment for an extended period of time. Moreover, this also greatly reduces the common occurrence of separator curling after heat-resistant layer coating, addresses the problem of separators being prone to powder shedding when stretched or subjected to external impact, and improves the thermal safety performance of the separator.
Resumen de: US20260070431A1
A shielding structure for a battery unit located above a panel and under in-vehicle equipment in a vehicle includes: a fibrous first sound-absorbing member located on the panel and in contact with a lower part of the battery unit; and a fibrous second sound-absorbing member surrounding an upper part and side parts of the battery unit. The battery unit is surrounded by the first sound-absorbing member and the second sound-absorbing member.
Resumen de: US20260070469A1
A system for optimizing an operating state of a battery by using a cloud includes: a cloud unit configured to receive battery data; a first data collection unit configured to collect first data; a first data transmitter configured to transmit the first data to the cloud unit; a second data receiver configured to receive second data from the cloud unit; and a controller configured to control an operating state of a battery based on the second data and to perform any one of an update of first deterioration state information and an adjustment of a learning speed.
Resumen de: US20260074259A1
Disclosed are an apparatus and a method for folding sides of a pouch-type battery and a die for the same. The apparatus for folding sides of a pouch-type battery includes a die including a folding formation space including an inlet through which a side of a pouch-type battery enters, an outlet through which the side of the pouch-type battery exits, and a side opening formed on one side of the die to guide side of the pouch-type battery to pass therethrough, and a transfer unit that transfers the pouch-type battery along a longitudinal direction of the die. A space between the inlet and the outlet of the folding formation space is formed so that the side of the pouch-shaped battery having entered the inlet is gradually folded while moving and finally the outlet has a final folding shape.
Resumen de: US20260074225A1
A positive electrode 13 for secondary battery of the present disclosure includes a positive electrode current collector 11 and a positive electrode active material layer 12 supported on the positive electrode current collector 11, where the positive electrode active material layer 12 includes a positive electrode active material and polyvinyl alcohol modified with a phosphorus compound. A method for manufacturing the positive electrode 13 for secondary battery includes: preparing a polymer solution including polyvinyl alcohol, a phosphorus compound, and a solvent; preparing a positive electrode slurry including the polymer solution and the positive electrode active material; and applying the positive electrode slurry to the positive electrode current collector 11 to form the positive electrode active material layer.
Resumen de: US20260074219A1
A cathode active material for lithium secondary batteries, a method of preparing the same, a cathode including the same, and a lithium secondary battery including the cathode are provided. The cathode active material includes nickel-based lithium metal oxide secondary particles each including a plurality of large primary particles, the nickel-based lithium metal oxide secondary particles having a hollow structure having pores therein, each of the plurality of large primary particles having a size of about 2 μm to about 6 μm, and each of the nickel-based lithium metal oxide secondary particles having a size of about 10 μm to about 18 μm; and a cobalt compound-containing coating layer on surfaces of the nickel-based lithium metal oxide secondary particles.
Nº publicación: US20260074190A1 12/03/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD
Resumen de: US20260074190A1
A negative electrode for a lithium secondary battery, a method for manufacturing a negative electrode for a lithium secondary battery, and a lithium secondary battery including a negative electrode, are provided. The negative electrode includes a negative electrode current collector layer, a first negative electrode active material layer provided on a surface of the negative electrode current collector layer, and a second negative electrode active material layer provided on a surface of the first negative electrode active material layer opposite to a surface of the first negative electrode active material layer facing the negative electrode current collector layer.
BOPI
Sede Electrónica
