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1482
resultados
Última actualización
03/04/2026 [07:26:00]
Resultados 550 a 575 de 1482
Resumen de: US20260088472A1
This application provides a battery and an electrical device. The battery includes a battery cell, a busbar, and an insulation piece. The battery cell includes a shell and an electrode terminal. The shell includes a first wall. The electrode terminal is disposed on the first wall. The busbar is electrically connected to the electrode terminal. The insulation piece is disposed on one side, facing the electrode terminal, of the busbar and covers at least a part of the first wall. The insulation piece includes a first groove recessed along a direction facing away from the first wall. In the battery and electrical device, the first groove is available for accommodating an electrolyte solution leaking from a battery cell.
Resumen de: US20260088470A1
Electrolyte compositions comprising electrolyte additives and/or solvents for reduction of thermal propagation in lithium-ion batteries are disclosed. Energy storage devices comprising the electrolyte compositions comprise a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode may be a Si-based electrode, a separator between the first electrode and the second electrode, and the electrolyte composition.
Resumen de: US20260088467A1
The present application provides a battery cell, a method and system for manufacturing the battery cell, a battery, and a power consuming device. The battery cell according to an embodiment of the present application comprises: an electrode assembly comprising a first tab, wherein the first tab is arranged around a central axis of the electrode assembly; a housing configured to accommodate the electrode assembly, wherein the housing comprises a barrel and a cover connected to the barrel, the barrel is arranged around a periphery of the electrode assembly, the cover is provided with an electrode lead-out hole, the central axis extends in a first direction and passes through the electrode lead-out hole, the first tab comprises a first annular portion, the first annular portion is arranged opposite to the cover.
Resumen de: WO2026063713A1
The present disclosure relates to an electrolyte and a lithium secondary battery comprising same. The electrolyte according to the present disclosure comprises a copolymer of an acrylic monomer and a fluoroacrylic monomer, wherein the fluoroacrylic monomer contains 7 or more fluorine atoms. The lithium secondary battery may comprise a positive electrode, a negative electrode including a negative electrode current collector, and the electrolyte according to the present disclosure disposed between the positive electrode and the negative electrode.
Resumen de: WO2026063664A1
The present invention relates to a battery pack comprising: a plurality of battery cells; and a pack case which has an accommodation space for accommodating the plurality of battery cells, and has a cooling flow path configured to allow a cooling medium to flow and at least one communication hole configured to communicate the cooling flow path and the accommodation space and allowing the cooling medium to be directly injected into the accommodation space from the cooling flow path.
Resumen de: WO2026063695A1
The present invention relates to a negative electrode for an aqueous battery, the negative electrode comprising, as an active material, a powder aggregate having a 3D nanoparticle form, wherein the powder comprises: a core part comprising zinc; and a shell part formed on the core part and comprising silver.
Resumen de: WO2026063662A2
According to exemplary embodiments of the present invention, a secondary battery is provided. The secondary battery may comprise: an electrode assembly in which a positive electrode and a negative electrode are stacked in a first direction; a case comprising an accommodation part for accommodating the electrode assembly; an electrode terminal protruding from a first edge part of the case; and a coating layer on the first edge part, wherein the first edge part comprises a first surface and a second surface opposite to each other in the first direction, the coating layer is disposed on the first surface, the coating layer comprises a thermal resin, and the coating layer overlaps the electrode assembly and does not overlap the electrode terminal.
Resumen de: WO2026063637A1
The present invention may comprise: an electrode assembly in which a first electrode, a second electrode, and a separator interposed therebetween are wound with respect to a winding axis; a battery housing configured to accommodate the electrode assembly via an open end formed at one side thereof; a cap covering the open end and having an injection hole formed at the center thereof; an injection plug configured to be inserted into the injection hole and configured to seal the injection hole; and a gasket interposed between the injection plug and the cap, at least three surfaces of the gasket being in contact with a peripheral portion of the injection hole surrounding the injection hole of the cap.
Resumen de: WO2026062668A1
The present subject matter relates generally to an energy storage unit (200) and an overcurrent protection unit (203). The energy storage unit (200) comprises a plurality of energy storage cells (201), at least one interconnector (202), and the overcurrent protection unit (203). Each of the plurality of energy storage cells (201) comprising a plurality of terminals. The at least one interconnector (202) is configured to connect each of the plurality of energy storage cells (201). The overcurrent protection unit (203) forms an interface to connect the at least one interconnector (202) with each of the plurality of energy storage cells (201). The overcurrent protection unit (203) comprises a cross-sectional area that is directly proportional to a surface area of at least one of the plurality of terminals of one of the plurality of energy storage cells (201).
Resumen de: WO2026060762A1
Provided in the present application is a waterproof, ventilating, and pressure-relieving lock for a battery compartment cover plate of a water sports device, said lock being provided with: a lock pull ring, a lock shaft, a spring, a lock bolt, and a sealing pressure relief structure. The lock pull ring is eccentrically and pivotally connected to an eccentric rotary shaft at the top end of the lock shaft by means of an eccentric rotary shaft hole at one end. The spring is sleeved outside the lock shaft. The lock shaft comprises a movable lock shaft capable of moving up and down, the sealing pressure relief structure is provided on the movable lock shaft, and the sealing pressure relief structure can switch between a sealed state and a pressure relief state according to the up and down movement of the movable lock shaft, so that the gas inside and outside the battery compartment cover plate is blocked or communicated. The sealing pressure relief structure can be composed of a lock shaft central hole, a lock shaft side hole, and a sealing ring, or be composed of a vent hole and a vent hole plug that fit to each other. When the pull ring is laid flat or pulled up, the lock shaft moves up and down to drive the sealing pressure relief structure to switch between the sealed and pressure relief states, so that air can be released and pressure can be relieved before the lock is opened, thereby preventing the cover plate from being unable to be opened due to the pressure difference bet
Resumen de: WO2026060743A1
A fast-charging cell, a lithium-ion battery, and an electric product, which relate to the technical field of new energy. In the provided fast-charging cell, a positive electrode coating notch is disposed on a positive electrode and a negative electrode coating notch is disposed on a negative electrode. By means of optimizing the arrangement positions of the positive electrode coating notch and the negative electrode coating notch, the lithium-ion acceptance capability of the negative electrode is improved, the increase amplitude of side reactions is minimized, and the stress at a corner is alleviated, thereby ultimately enhancing the rate performance and cycling performance of the fast-charging cell. Further provided are a lithium-ion battery comprising the fast-charging cell, and an electric product.
Resumen de: US20260088372A1
A memory storage unit of a battery system separately stores separately storing a start-up program related to starting up of a measuring means, a measurement program related to a measurement, and a state calculation program related to calculating of a battery state of a battery cell. A controller executes a first secure boot for a first program including the start-up program and thereafter executes a process contained in the first program. While the controller is executing the process contained in the first program, the controller executes a second secure boot for a second program including the measurement program or the state calculation program. The controller executes a process contained in the second program after the process of the first program is executed and the second secure boot is executed.
Resumen de: US20260088299A1
An oxide particle coated with amino groups, which is a composite LLZO particle; the composite LLZO particle includes a first LLZO particle. A hydroxide ion layer is coated on an outer surface of the first LLZO particle. The hydroxide ion layer and the first LLZO particle form a second order LLZO composite particle. A dopamine layer is coated on an outer side of the second order LLZO composite particle. Dopamine molecules of the dopamine layer are hydrophobic to protect the first LLZO particle and to prevent the first LLZO particle from being dampened. A CTAB (cetyltrimethylammonium bromide) layer is coated on an outer side of the dopamine layer. A part of the CTAB molecules is mixed within the dopamine layer and the hydroxide ion layer.
Resumen de: US20260088296A1
A lithium-ion battery is provided, including a cathode with one or more nickel-rich ternary cathode materials, specifically LiNixMnyCozO2 or LiNixAlyCozO2, where x, y, and z sum to 1 and x is at least 0.8. The battery also includes an anode made from materials such as silicon, silicon oxide, carbon nanotubes, lithium metal, graphene, and graphite, and features a porous polymer separator with a porosity of 30% to 90%. An electrolyte is also included. A key aspect is the use of a gel-free binder, which is a modified polyvinylidene fluoride (PVDF) grafted with monomers containing at least one unsaturated carbon-carbon double bond and functional groups. This modification prevents defluorination and crosslinking of the PVDF when in contact with the nickel-rich cathode materials.
Resumen de: US20260088373A1
A method includes receiving, by a first device in a stack, a command from a controller. The stack includes multiple devices. The method also includes dissipating, by the first device, an amount of power responsive to a difference between a longest response time for the devices to respond to the command, and a device response time for the first device to respond to the command.
Resumen de: US20260088303A1
The present disclosure discloses an anode for a lithium secondary battery capable of improving electrochemical performance while maintaining a basic structure of an anode active material by coating a solid superacid on the anode active material, a method for manufacturing the same, and a lithium secondary battery using the same. The anode according to the present disclosures includes a current collector; and an anode material disposed on at least one surface of the current collector and including an anode active material, wherein the anode active material includes a nano-sized solid superacid present on a surface thereof.
Resumen de: US20260088454A1
A secondary battery includes an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode, a spacer in contact with at least a portion of an outer surface of the electrode assembly, a case including a top opening and accommodating the electrode assembly and the spacer, and a cap assembly at the top opening to seal the electrode assembly.
Resumen de: US20260088457A1
A battery pack has a movable busbar assembly and a secondary battery including the same. More particularly, a battery pack has a movable busbar assembly configured such that at least one of a first busbar frame located at the front surface of a pack case, a second busbar frame located at the rear surface of the pack case, a first busbar connected to the first busbar frame, and a second busbar connected to the second busbar frame is movable in a direction toward a side plate of the pack case, whereby it is possible to minimize short circuit between leads, and a secondary battery including the same.
Resumen de: US20260088449A1
The present disclosure relates to a continuous process for coating microporous polyolefin webs with a ceramic composition or slurry, followed by drying at an elevated temperature while being restrained in the transverse direction. Such webs can be used to improve the manufacturability, performance, and safety of energy storage devices such as lithium batteries.
Resumen de: US20260088453A1
A secondary battery, including a case, an electrode assembly accommodated in the case, a cap assembly coupled to the case to seal the case, an insulator between the electrode assembly and the cap assembly, and a fixing member fixing the insulator to the electrode assembly, wherein the fixing member is in contact with the insulator, and wherein a first surface of the electrode assembly and a second surface of the electrode assembly are opposite each other.
Resumen de: US20260088434A1
The present application provides a battery pack. The battery pack includes a case; a separation mechanism provided in the case and dividing an inner space of the case into an electrical compartment and a battery compartment, wherein the separation mechanism includes a flexible separator; an electrical component disposed in the electrical compartment and including a collecting board and a collecting line, wherein the collecting line is plugged with the collecting board, and the collecting line passes through the flexible separator in the thickness direction of the flexible separator to the battery compartment; a battery module disposed in the battery compartment and including a battery core, wherein the collecting line enters the battery compartment and collects parameters of the battery core; foamed glue filling voids in the battery compartment.
Resumen de: US20260088455A1
A secondary battery includes: an electrode assembly including a negative electrode tab at a first end and a positive electrode tab at a second end; a case including a pair of first side portions facing each of a pair of long side portions of the electrode assembly, and a pair of second side portions facing each of a pair of short side portions of the electrode assembly, the case being open in directions of the negative electrode tab and the positive electrode tab; and a retainer between at least one of the second side portions and the electrode assembly and including a concave-convex structure.
Resumen de: WO2026063345A1
A secondary battery destruction method according to one embodiment of the present disclosure includes: a preparation step (S1) for preparing a housing in which a secondary battery is disposed and in which oil is stored such that at least a portion of the secondary battery is immersed; and a battery destruction step (S3) performed after the preparation step (S1), which is for, while at least a portion of the secondary battery is in a state of being immersed in the oil, destroying at least the portion of the secondary battery immersed in the oil.
Resumen de: WO2026063291A1
A sodium-ion secondary battery according to the present disclosure comprises: a positive electrode; a negative electrode; an electrolyte solution that contains a nonaqueous solvent and a sodium salt; and a separator that contains a resin having an amide bond. The sodium salt concentration of the electrolyte solution is 2.0 mol/L or higher.
Nº publicación: WO2026063292A1 26/03/2026
Solicitante:
NATIONAL UNIV CORPORATION YOKOHAMA NATIONAL UNIV [JP]
TEIJIN LTD [JP]
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Resumen de: WO2026063292A1
A sodium-ion secondary battery according to the present disclosure comprises: a positive electrode; a negative electrode; an electrolyte solution that contains a nonaqueous solvent and a sodium salt; and a separator. The separator has a polyolefin microporous film, a fibrous meta-type wholly aromatic polyamide that is provided in the pores of the polyolefin microporous film, and a porous layer that is provided on one surface or both surfaces of the polyolefin microporous film and contains the meta-type wholly aromatic polyamide.
BOPI
Sede Electrónica
