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1480
resultados
Última actualización
17/01/2026 [07:31:00]
Resultados 275 a 300 de 1480
Resumen de: WO2026015308A1
A method for forming a multiple-layer dielectric coating on a substrate includes (a) providing a coating composition having: (i) an actinic radiation curable material including at least one of a monomer and an oligomer, and (ii) a thermally conductive filler; (b) applying a first layer of the coating composition to the substrate; (c) exposing the first layer to a first dose of actinic radiation sufficient to partially cure the actinic radiation curable material of the first layer to a monomer conversion of between about 60% and about 95%; (d) applying a second layer of the coating composition to the partially-cured first layer; and (e) exposing the second layer of the coating composition to a second dose of actinic radiation sufficient to bond the first and second layers together and to cure the actinic radiation curable material of the second layer to a monomer conversion of at least 60%.
Resumen de: WO2026014890A1
The present invention relates to a method for preparing a lithium iron phosphate-based cathode active material, the method comprising the steps of: dry-pulverizing iron phosphate (FePO4) and a carbon-containing coating raw material, separately; mixing a lithium-containing raw material, the pulverized iron phosphate, the pulverized carbon-containing coating raw material, and distilled water to prepare a reaction mixture; compressing the reaction mixture to process same into a pellet form; and firing the pellet-shaped reaction mixture to prepare a fired product, wherein the distilled water is mixed in an amount of 20 parts by weight or less with respect to 100 parts by weight of the total weight of the lithium-containing raw material, the pulverized iron phosphate, and the pulverized carbon-containing coating raw material.
Resumen de: WO2026011929A1
The present application relates to the technical field of terminals, and provides a charging method, an electronic device, a computer program product, and a readable storage medium. The electronic device comprises a first battery management chip, a second battery management chip, and a battery, the first battery management chip and the second battery management chip being respectively connected to the battery. The first battery management chip and the second battery management chip can be wiredly connected to a charger by means of a charging interface, and can also be wirelessly connected to the charger. The charging power of the first battery management chip is greater than that of the second battery management chip. When connected to the charger and in a screen-off state, the electronic device controls the first battery management chip and the second battery management chip to charge the battery. When a display screen is off, the electronic device controls the second battery management chip to turn on, enabling the first battery management chip and the second battery management chip to simultaneously charge the battery. In this way, higher charging efficiency can be achieved, and battery heat generation can be reduced.
Resumen de: WO2026011919A1
An upset-pressing and welding mechanism (100) and a battery production device. The upset-pressing and welding mechanism (100) is provided with a welding station (101) and a standby station (102). The upset-pressing and welding mechanism (100) comprises: a base (10); a welding press head (20), wherein the welding press head (20) is arranged on the base (10), the welding press head (20) is capable of moving between the welding station (101) and the standby station (102) in a first direction, a suctioning surface (21) is arranged on one side of the welding press head (20), the suctioning surface (21) is used for suctioning a current collecting disc (300) and upset-pressing the current collecting disc (300) against an end portion of a battery cell (200), the suctioning surface (21) is provided with a through hole (22), and the through hole (22) passes through the welding press head (20) in the first direction; and a welding head (91), wherein the welding head (91) is arranged on the other side of the welding press head (20), and the welding head (91) is used for welding the current collecting disc (300) to the end portion of the battery cell (200).
Resumen de: WO2026012355A1
An electric device. The electric device comprises a battery apparatus or a battery; the battery apparatus comprises the battery; the battery comprises an electrode core, a first current collector, and a second current collector; the electrode core comprises a tab; the first current collector is welded to the tab; the first current collector is disposed between the tab and the second current collector; the first current collector is electrically connected to the second current collector; and the second current collector is adapted to be electrically connected to a conductive terminal to lead out an electrode.
Resumen de: WO2026014933A1
The present invention relates to a positive electrode active material and a manufacturing method therefor, the positive electrode active material comprising: a lithium nickel-based oxide; and a coating layer formed on the lithium nickel-based oxide and comprising a compound represented by chemical formula 2 below. Chemical formula 2 LixMnyM4 zOw. In chemical formula 2, M4 is Al or Mo, x is an integer from 2 to 8, y is an integer from 2 to 8, z is an integer from 1 to 12, and w is an integer from 8 to 48.
Resumen de: WO2026014863A1
A battery image analysis device according to an embodiment disclosed in the present document comprises: an acquisition unit that acquires a first image of a battery including an electrode assembly and a case that protects the electrode assembly; a target extraction unit that extracts a target image corresponding to a target configuration among configurations of the battery included in the first image, on the basis of pixel values of a plurality of pixels included in the first image; a center line extraction unit that extracts a center line of the target configuration included in the target image; and a calculation unit that extracts coordinate data of each of the center line and the case, and calculates a proportion occupied by the electrode assembly inside the case on the basis of the coordinate data of the center line and the coordinate data of the case.
Resumen de: WO2026014833A1
A battery cell manufacturing apparatus according to an embodiment of the present invention may comprise: a vacuum chamber in which a battery cell semi-finished product that includes an accommodation part accommodating an electrolyte and an electrode assembly and a gas pocket part connected to the accommodation part and positioned above the accommodation part is disposed; a piercing unit for perforating a degassing hole in the gas pocket part; a sealing tool for forming a temporary sealing part that crosses between the degassing hole and the accommodation part, and forming a sealing area that includes the temporary sealing part while rising in contact with the gas pocket part; a cutting unit for forming an opening by cutting a portion of the upper end of the gas pocket part after the temporary sealing part is formed; and an injection unit for injecting gas into the opening.
Resumen de: WO2026014815A1
The technical concept of the present invention provides a battery device comprising: a plurality of cell assemblies each including a plurality of battery cells; a housing including a base frame supporting the plurality of cell assemblies and a side frame surrounding the plurality of cell assemblies; and a first heat absorption structure connected to the base frame so as to overlap the plurality of cell assemblies in the vertical direction, and including a phase change material.
Resumen de: WO2026014814A1
Disclosed is an automatic pressure adjustment pressing jig comprising: a reaction plate and a driving plate facing each other; and a plurality of pressing plates arranged so as to be linearly movable between the reaction plate and the driving plate, wherein pouch batteries inserted between the pressing plates are pressed by the pressure exerted by the driving plate as same moves toward the reaction plate, and in response to a torque increase corresponding to the pressure increase caused by the expansion of the pressed pouch batteries, the driving plate may be made to retreat a certain distance by a torque-sensitive adjustment device that automatically attenuates the increased torque.
Resumen de: WO2026012356A1
Embodiments of the present application relate to the technical field of batteries, and in particular disclose an electrode sheet, a battery cell, and an electric device. The electrode sheet comprises a current collector, a first transition layer, and a second transition layer, and the electrode sheet is provided with a welding portion. The current collector comprises a first metal layer, a support layer and a second metal layer that are arranged in a first direction. The first transition layer and the second transition layer are respectively connected to two sides of the current collector. The welding portion is located at the junction of the first transition layer and the first metal layer, and the welding portion is located at the junction of the second transition layer and the second metal layer; along the first direction, on one side of the first transition layer, the welding portion is embedded in the support layer to a depth of D1, on one side of the second transition layer, the welding portion is embedded in the support layer to a depth of D2, and the thickness of the support layer is H1; the ratios of D1 and D2 to the thickness of the support layer satisfy: 0.1≤(D1+D2)/H1≤0.8, D1/H1≥0.05, and D2/H1≥0.05. By means of the described structure, the range of the embedment depths of the welding portion in the support layer is optimized, reducing insufficient welding or over-welding of the welding portion.
Resumen de: WO2026012321A1
A lithium-ion battery, comprising a negative electrode and an electrolyte, wherein the electrolyte comprises an additive and a lithium salt, the additive comprises an additive A, the negative electrode comprises a negative electrode active material, and the negative electrode active material comprises a silicon-based negative electrode material and a carbon-based negative electrode material; and the average particle size Dv50M μm of the silicon-based negative electrode material and the average particle size Dv50N μm of the carbon-based negative electrode material satisfy 0.5≤M/N≤1.7. The lithium-ion battery can significantly improve the high-temperature stability of a negative electrode interface and alleviate the side reactions on the surface of the negative electrode, thereby improving the cyclic volume expansion of the silicon-based negative electrode material in the negative electrode, and further improving the long cycle performance, fast charging performance and energy density of the silicon-doped lithium-ion battery.
Resumen de: WO2026012254A1
Disclosed in the present application are a battery tray, a battery apparatus and an electric device. The battery tray comprises: a first side beam, which encloses a battery accommodating cavity, a mounting hole being formed in the first side beam for mounting a connector; and a first protective member, which is connected to the side of the first side beam away from the battery accommodating cavity and is arranged around the periphery of the mounting hole, wherein the first protective member extends in a direction away from the battery accommodating cavity. The first protective member can protect the connector arranged in the mounting hole, thereby improving the reliability of the battery tray and prolonging the service life thereof.
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.
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.
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: US20260018736A1
The invention relates to a pressure equalization device (20) for equalizing an internal pressure in a receiving housing of an electrochemical or electrotechnical device, in particular a battery housing, having a housing (20.3) that has at least one gas passage opening (20.4), which forms a gas-permeable connection between an interior (20.1) and an exterior (20.2) of the housing (20.3), wherein the gas passage opening (20.4) is blocked by means of a gas-permeable or gas-tight diaphragm (40), wherein the diaphragm (40) is assigned a burst element (30), which is designed and positioned such that, when the diaphragm (40) is deformed in the direction of the exterior (20.2), the diaphragm is destroyed at least at one point under the action of the burst element (30) to establish a flow connection from the interior (20.1) to the exterior (20.2) through the gas passage opening (20.4). In order to be able to achieve a reproducible bursting behavior in such a pressure equalization device by simple means, according to the invention provision is made for the diaphragm (40), its inner face (42) facing the interior (20.1) of the housing (20.3), to be connected, in particular by a material bond, to the burst element (30).
Resumen de: US20260018740A1
A method for preparing a composite coating separator is disclosed. The method includes: mixing raw materials including an inorganic powder, a hollow latex microsphere emulsion, a binder, and a solvent to obtain a mixed slurry; applying the mixed slurry to a surface of a base film, and drying the mixed slurry on the surface of the base film to obtain the composite coating separator. A mass ratio of the inorganic powder in the mixed slurry is 20%-35%, and a mass ratio of the hollow latex microsphere emulsion in the mixed slurry is 5%-10%. A viscosity of the mixed slurry is 100 mPa·s-120 mPa·s. The hollow latex microsphere emulsion includes hollow microspheres, and a density of the hollow microspheres is 0.8 g/cm3-0.9 g/cm3.
Resumen de: US20260018738A1
A battery module includes: a pouch battery cell including a battery portion and an exterior member that covers the battery portion; and an explosion-proof member. The explosion-proof member includes: a plate portion facing the pouch battery cell; and a protruding portion that is provided to protrude from the plate portion to break through the exterior member when the pouch battery cell is expanded. In the explosion-proof member, a first air passage through which a gas discharged from an opening formed in the exterior member by the protruding portion flows is provided in a part of the protruding portion excluding a distal end.
Resumen de: US20260018922A1
Systems and methods for charging batteries of electric container handling equipment at container terminals comprising mobile batteries and chargers that can be transported to a location near the container handling equipment. The mobile batteries and chargers are configured for energy storage and capable of being recharged at one or more charging stations. Multiple mobile batteries and chargers can be included in the system and/or methods, and one or more or each mobile battery and charger can be configured to recharge one or more or several pieces of container handling equipment before the mobile battery and charger travels to the charging station to recharge. Included are systems for managing shipping equipment in a container terminal comprising one or more mobile battery and charger configured to deliver at least about 100 KW of power to any equipment configured for loading, unloading, and/or moving shipping containers, such as a shipping container crane.
Resumen de: US20260018750A1
A secondary battery and an electrode member thereof, a battery module, and a related apparatus are provided. The electrode member includes a current collector, an active material layer, an adapting sheet, and an electrode lead. The current collector includes an insulating substrate, a first conductive layer, and a second conductive layer. The first conductive layer and the second conductive layer each include a coated region and an uncoated region, the coated region is coated with an active material layer, and the uncoated region is not coated with an active material layer, a size of the current collector in a length direction is larger than that in a width direction, and the uncoated region is located on a side of the coated region in a length direction. The adapting sheet includes a first conductive member and a second conductive member.
Resumen de: US20260018751A1
An embodiment of the present disclosure provides a current collector, configured to electrically connect an electrode assembly and a terminal, and including: a terminal fixing part and an electrode assembly connecting part disposed around the terminal fixing part; and a first transition part, connected between the terminal fixing part and the electrode assembly connecting part. The current collector has an electrode assembly connecting side and a terminal connecting side distributed in opposite directions. The first transition part and the terminal fixing part respectively include a first surface and a first end surface located on the terminal connecting side, as well as a second surface and a second end surface located on the electrode assembly connecting side. The second surface protrudes in a direction away from the terminal connecting side compared with the second end surface.
Nº publicación: US20260018748A1 15/01/2026
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Resumen de: US20260018748A1
The present disclosure relates to a secondary battery, a secondary battery manufacturing method, and a battery pack, in which defects in bonding of an electrode can be prevented or substantially prevented and power efficiency is increased. To this end, the present disclosure provides a secondary battery including a case, an electrode assembly disposed inside the case and having a first electrode and a second electrode, a first tab member connected to the first electrode and having a first insertion hole, a cap plate coupled to the case and disposed to face the electrode assembly, a first inner current collector inserted into the first insertion hole, a first outer current collector disposed to face the first inner current collector with the first tab member interposed therebetween, and a first terminal connected to the first outer current collector and extending outward from the cap plate.
BOPI
Sede Electrónica
