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1263
results.
Updated on
26/12/2025 [07:11:00]
Results 1175 to 1200 of 1263
Absstract of: US2025379327A1
The present disclosure provides a battery pack, etc. that can ensure excellent safety when a thermal event occurs. A battery pack according to one aspect of the present disclosure may include a plurality of battery cells each having an electrode lead; a cell cover configured to at least partially surround at least some of the plurality of battery cells; and a busbar frame assembly configured to be electrically connected to the electrode lead and coupled to at least one side of a cell cover, thereby blocking flame discharge in a particular direction.
Absstract of: US2025379210A1
A powder for use in a negative electrode of a battery, said powder comprising particles, wherein the particles comprise a carbonaceous matrix material and silicon-based domains dispersed in the carbonaceous matrix material, wherein the particles further comprise pores wherein at least 1000 cross-sections of pores comprised in a cross-section of the powder satisfy optimized conditions of size and size distribution, allowing the battery containing such a powder to achieve a superior cycle life and a production method of such a powder.
Absstract of: US2025379305A1
The present disclosure is directed to a battery including an asymmetrical tab sealant, which includes a stronger seal portion around a tab in a tab opening of an enclosure (e.g., pouch) of the battery towards a cup side of the battery, and a weaker seal portion around the tab in the tab opening of the enclosure towards a non-cup side of the enclosure. Various characteristics may be employed to generate the stronger seal portion and the weaker seal portion, such as material characteristics, melting temperature characteristics, thickness characteristics, and so on.
Absstract of: US2025379219A1
Disclosed are a negative active material, a method of preparing the same, and a rechargeable lithium battery including the same. The negative active material includes a core including a carbonaceous material; and a metal-including nitride on a surface of the core and having lower lithium adsorption energy and lower lithium ion diffusion energy than the core.
Absstract of: US2025379341A1
An energy storage device includes a first electrode assembly, a second electrode assembly, and a first current collector. The first electrode assembly includes a first body and a first tab extending from an end of the first body in a first direction. The second electrode assembly includes a second body and a second tab extending from an end of the second body in the first direction. The first tab and the second tab are superimposed in the first direction and are joined to the first current collector at a first junction. The first tab is located between the second tab and the first current collector at the first junction. A length of the first tab is shorter than a length of the second tab.
Absstract of: US2025379308A1
The present disclosure relates to battery cabinets and other power or electronic apparatuses comprising batteries, more particularly, to a modular tray enclosure. The modular tray enclosure comprises a primary base, a first sidewall, a second sidewall, a back wall, and a top wall. Each of the aforementioned components can comprise fire-proof material. A modular tray is contained within the modular tray enclosure and configured to house at least one battery.
Absstract of: US2025379211A1
A negative electrode includes a current collector layer, a first active material layer, and a second active material layer. The first active material layer includes a first graphite and a silicon simple substance or silicon compound, the second active material layer includes a second graphite having a smaller average particle diameter, a surface of the first active material layer is covered with the second active material layer, and an average thickness between an upper end face of the second active material layer in a shorter direction and an upper end face of the first active material layer in the shorter direction and/or an average thickness between a lower end face of the second active material layer in the shorter direction and a lower end face of the first active material layer in the shorter direction is larger than an average thickness in a laminating direction.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: US2025379004A1
An apparatus is disclosed that includes an active storage layer including: a network of carbon nanotubes defining void spaces; and a carbonaceous material located in the void spaces and bound by the network of carbon nanotubes. In some cases, the active layer provides energy storage, e.g., in an ultracapacitor device.
Absstract of: US2025379325A1
A venting cover for a battery module, the venting cover configured to be coupled to one side surface of the battery module and cover the battery module. The venting cover includes venting channels. Each venting channel includes a channel shape extending in a longitudinal direction, an inflow hole configured to be directed toward a battery cell embedded in the battery module, a discharge hole located at an end of the each venting channel, each venting channel being configured such that a venting material vented from the battery cell is introduced into the inflow holes, flows in the longitudinal direction, and is discharged through the discharge holes, and a support channel located between adjacent venting channels of the plurality of venting channels, each support channel extending in the longitudinal direction, and having a closed cross-section, each support channel being configured to support the venting channels.
Absstract of: US2025379326A1
Thermal suppression containers are provided for use within traction battery packs. An exemplary thermal suppression container may include an outer pouch and a thermal suppression agent releasably contained within the outer pouch. The thermal suppression container may be configured to release the thermal suppression agent when a temperature near the outer pouch exceeds a predefined temperature threshold. The thermal suppression agent may capture or trap particles associated with battery vent byproducts, thereby managing or even preventing the transfer of thermal energy to nearby structures. The outer pouch of the thermal suppression container may include one or more flag seals that are configured to position the thermal suppression container relative to surrounding structures.
Absstract of: US2025379324A1
A battery, an electrical device, and an energy storage device. The battery includes: a battery cell, a first wall of the battery cell being provided with a pressure relief mechanism; an attachment component, a first surface of the attachment component being attached to the first wall by an adhesive; an isolation component connected to the attachment component and configured to prevent the adhesive from being applied between the attachment component and the pressure relief mechanism; and a protective component connected to a surface of the isolation component facing away from the pressure relief mechanism to protect the isolation component; where the attachment component is provided with a first through hole corresponding to the position of the pressure relief mechanism.
Absstract of: US2025379321A1
A prismatic power storage device includes a case having a case body and a rectangular plate-shaped lid, an electrode body housed in the case, a positive terminal member extending out through a positive-electrode insert hole provided in the lid, and a negative terminal member extending out through a negative-electrode insert hole. The lid includes a first safety valve provided in a center of the lid and to be opened at a first operating pressure, a second safety valve provided on one side relative to a central region and to be operated at a second operating pressure higher than the first operating pressure, and a third safety valve provided on the other side relative to the central region and to be operated at a third operating pressure higher than the first operating pressure.
Absstract of: US2025379307A1
A battery case and a bicycle pedal module using the same are provided, and the battery case includes a first housing and a second housing. The first housing includes a first conductive holder and a first insulating layer. The first conductive holder is partially covered with the first insulating layer, and a portion of the first conductive holder exposed outside the first insulating layer forms a first contact portion. The second housing includes a second conductive holder and a second insulating layer. The second conductive holder is partially covered with the second insulating layer, and a portion of the second conductive holder exposed outside the second insulating layer forms a second contact portion. The first housing and the second housing are connected with each other to receive a battery, and the first contact portion and the second contact portion are electrically connected with the battery.
Absstract of: US2025379310A1
A battery module prevents the movement of gas to an adjacent module, and more particularly a battery module capable of preventing the movement of gas to an adjacent module, the battery module including a module case and a unit module, wherein the module case is made of an insulative material, two or more unit modules are received in the module case, the two or more unit modules are located spaced apart from each other by a predetermined distance, and each of the unit modules includes one or more battery cells stacked in a vertical direction.
Absstract of: US2025379208A1
A method for manufacturing an anode electrode includes rolling a first aluminum foil layer; annealing the first aluminum foil layer to create a first annealed aluminum foil layer; mechanically bonding a first lithium metal foil layer between an anode current collector and the first annealed aluminum foil layer; and aging the anode electrode to prelithiate the first annealed aluminum foil layer.
Absstract of: US2025379286A1
There is described a battery module comprising: an array of battery cells electrically coupled to provide electrical power to a load; a cell space housing the array of battery cells, the cell space arranged to receive flow of a coolant fluid past the battery cells; the battery cells mounted on a base of the cell space, the base comprising one or more flow paths for the coolant fluid; one or more inlets to receive the coolant flow into either the cell space or the base; one or more outlets to deliver the coolant flow out of the other of the cell space or the base; and one or more fluid flow couplings between the cell space and the base to direct flow of coolant fluid between the base and the cell space.
Absstract of: US2025379336A1
This sealed battery comprises a bottomed and cylindrical exterior can with an opening portion, a seal assembly closing the opening portion, and a wound electrode assembly housed in the exterior can. The bottom portion of the exterior can or the seal assembly is provided with an exhaust valve. Of the end portions in the winding-axis direction of an outer-most peripheral end of the electrode assembly, the one closer to the exhaust valve is fixed by a first fixing member, and the one farther from the exhaust valve is fixed by a second fixing member. A value obtained by dividing the heat conductivity in the thickness direction of the first fixing member by the volume of the first fixing member is smaller than a value obtained by dividing the heat conductivity in the thickness direction of the second fixing member by the volume of the second fixing member.
Absstract of: 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).
Absstract of: US2025379323A1
A cover assembly for a battery module including a cover frame configured to be coupled to one opened side of a battery module casing and to close the opened side of the battery module casing, the cover frame including a plurality of hollow portions extending in a longitudinal direction, and a plurality of venting holes at locations that overlap the plurality of hollow portions, the plurality of venting holes being configured to penetrate the cover frame in a direction toward an inside of the battery module casing, and at least one venting part inserted into a first hollow portion and configured to close a respective venting hole of the plurality of venting holes, each at least one venting part having a portion that corresponds to the respective venting hole, each at least one venting part being configured to be opened when gas or flame is generated in the battery module.
Nº publicación: WO2025254997A1 11/12/2025
Applicant:
NORTH CAROLINA STATE UNIV [US]
THE UNIV OF BRITISH COLUMBIA [CA]
NORTH CAROLINA STATE UNIVERSITY,
THE UNIVERSITY OF BRITISH COLUMBIA
Absstract of: WO2025254997A1
In one aspect, the disclosure relates to In accordance with the purpose(s) of the present disclosure, as embodied and broadly described herein, the disclosure, in one aspect, relates to compounds carbon-lithium composite materials, methods of making the same, and electrochemical cells comprising the same. In one aspect, the carbon-lithium composite materials can be made, in part, from agricultural waste. In another aspect, the disclosed electrochemical cells have a high energy density and good thermal and chemical stability over multiple charge cycles.
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