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1859
resultados
Última actualización
14/05/2025 [09:11:00]
Resultados 175 a 200 de 1859
Resumen de: US2025149630A1
A battery cell includes A anode electrodes, C cathode electrodes, and S separators arranged between the A anode electrodes and the C cathode electrodes, where A, C, and S are integers greater than one. The S separators include a composite gel membrane that is cured in-situ using ultraviolet light and includes a polymer, a solid electrolyte comprising greater than 20 wt % of the composite gel membrane, an initiator, and a liquid electrolyte.
Resumen de: US2025149631A1
A polymer electrolyte can be formed from (e.g., by polymerizing) a mixture that includes oligomer(s), additive(s), solvent(s), salt(s), and/or any suitable components. The polymer electrolyte can further or alternatively include monomer(s) (e.g., a stiffening monomer that in solution or incorporated into a cured polymer modifies a mechanical property such as flexural modulus of the battery cell; adhesion monomers such as a monomer that interacts with one or more surface within a battery to modify or improve adhesion of the electrolyte and the surface; etc.).
Resumen de: US2025149628A1
A sulfide solid electrolyte includes a sulfide glass phase. The sulfide solid electrolyte includes a PS4 unit and a P2S7 unit, a ratio of a peak intensity I(PS4) of the PS4 unit and a peak intensity I(P2S7) of the P2S7 unit in a Raman spectrum satisfies a relationship of 0.05<{I(P(P2S7)/I(PS4)}<1.00, the sulfide solid electrolyte includes Li, P, S, and Ha as constituent elements, the Ha is a halogen element, and contents of the constituent elements in terms of at % are as follows: Li: 30% to 50%, P: 5% to 15%, and S: 30% to 60%.
Resumen de: US2025149742A1
The present disclosure relates to a secondary battery including an electrode assembly, a main tab electrically coupled to the electrode assembly, a sub-tab electrically coupled to the main tab, and extending away from the electrode assembly, an insulating member covering the main tab, and including a base plate contacting the main tab, and defining base plate through-holes, and one or more stacked plates stacked on the base plate, and defining stacked plate through-holes, a case accommodating the electrode assembly, the main tab, the sub-tab, and the insulating member, a side terminal electrically coupled to the sub-tab, and a cap plate to which the side terminal is coupled to pass therethrough, and sealing the case.
Resumen de: US2025149757A1
A battery cell comprises a housing, a current collector having a main body disposed in the housing and a terminal substrate extending from the housing and defining a cutout, and an electrically conductive filler material. The electrically conductive filler material is disposed within the cutout and cooperates with the substrate to form a terminal configured to connect with a load. The filler material has a lower melting point than the substrate and further cooperates with the substrate such that electric flux flows through both the substrate and the filler material when a temperature of the terminal is below a melting point of the filler material, and electric flux flows through only the substrate when the temperature of the terminal exceeds the melting point of the filler material.
Resumen de: US2025149729A1
The present disclosure discloses a battery pack configured to discharge a high-temperature gas to the outside of the battery pack without affecting other adjacent battery modules when the gas is generated inside the battery module. The battery pack according to one aspect of the present disclosure includes a pack housing; a battery module; and a pack cover having a first side venting channel, a second side venting channel and a center venting channel configured to guide a venting gas generated from the battery module at a position corresponding to the battery module, the pack cover being configured to cover the battery modules by being coupled to the pack housing.
Resumen de: US2025149554A1
In a negative electrode for a secondary battery that is an example of an embodiment, a mixture layer contains graphite particles, and has a lower layer arranged on the core body side of the mixture layer and an upper layer arranged on the surface of the mixture layer. The average thickness of the upper layer is 5% or less than the average thickness of the mixture layer. The volume-based median diameter of graphite particles contained in the lower layer exceeds 10 μm, and the volume-based median diameter of graphite particles contained in the upper layer is 4 μm or greater and 10 μm or less. The BET specific surface area of the graphite particles contained in the lower layer exceeds 4.0 m2/g, and the BET 10 specific surface area of the graphite particles contained in the upper layer is 2.0 m2/g or greater and 4.0 m2/g or less.
Resumen de: US2025149552A1
Provided are anode material, as well as lithium ion battery. Anode prepared from anode material act as working electrode, metal lithium act as reference electrode, metal lithium acts as counter electrode, and electrolyte contains metal lithium ions, forming three-electrode battery for charging and discharging, and when anode material is electrified in de-intercalation direction, graph of relationship between differential value dQ/dV obtained by differentiating potential V of working electrode based on reference electrode to charge and discharge capacity Q and potential V of working electrode is obtained; and in graph of relationship between dQ/dV and potential V, differential value dQ/dV at potential V between 20 mV and 80 mV has maximum peak value A1, and differential value dQ/dV of potential V between 120 mV and 210 mV has maximum peak value B1, where B1/A1≤4.
Resumen de: US2025149730A1
The present application relates to a battery box, a battery, and an electrical apparatus. The battery box comprises: a box body on which a mounting opening for mounting a pressure relief mechanism is formed; and an auxiliary member provided on an outer surface of the box body, with an exhaust channel in communication with the mounting opening being defined and formed between the box body and the auxiliary member, wherein an exhaust port in communication with the exhaust channel is provided on the auxiliary member.
Resumen de: US2025149724A1
A rechargeable battery includes: an electrode assembly; a case comprising a first sheet disposed at an upper side of the electrode assembly in a thickness direction and a second sheet disposed at a lower side of the electrode assembly along the thickness direction, an accommodating portion at least partially surrounding the electrode assembly and formed by the first and second sheets, a sealing portion, formed by the first and second sheets connected to an edge of the accommodating portion and bent to face a side surface of the accommodating portion, the sealing portion comprising a vent layer provided in the sealing portion, and a cutout portion disposed at one end portion of the sealing portion, wherein the vent layer is disposed on a bonding surface between the first sheet and the second sheet and contacts a corner of the accommodating portion and the cutout portion.
Resumen de: US2025149741A1
An all-solid-state rechargeable battery including a negative electrode; a solid electrolyte layer stacked on the negative electrode; a positive electrode including a positive active material layer on a positive electrode current collector and stacked on the solid electrolyte layer; and a gasket inserted at an edge to overlap the positive active material layer and between the positive active material layer and the solid electrolyte layer, wherein the positive active material layer includes a high-density area corresponding to the gasket and compressed by an intrusion of the gasket, and a low-density area inside the high-density area.
Resumen de: US2025149685A1
A method for producing a heat transfer suppression sheet contains processing a mixture into a sheet by a dry method, the mixture containing an inorganic particle and a binder fiber having a core-sheath structure. The binder fiber having a core-sheath structure includes a core portion extending in its longitudinal direction, and a sheath portion formed to cover an outer peripheral surface of the core portion, and a melting point of a first organic material constituting the core portion is higher than a melting point of a second organic material constituting the sheath portion.
Resumen de: US2025149533A1
A method of manufacturing a battery, particularly a secondary battery, includes: depositing an active material on a substrate, depositing an insulator material on the substrate such as to extend over a boundary between the active material and the substrate, determining an indicative wet thickness of the insulator material at a position on the substrate that is offset from the boundary by a characteristic measurement distance, and adapting the depositing of the insulator material as a function of the indicative wet thickness. The insulator material includes an insulator component and a liquid component. A battery manufacturing system and a battery are also provided.
Resumen de: US2025149562A1
An anode material and a battery are provided. The anode material includes a secondary particle, and the secondary particle includes silicon primary nanoparticles; the silicon primary nanoparticles include at least one silicon grain, an average particle size of the silicon grains is Ds nm, and an average particle size of the silicon primary nanoparticles is Dn nm; and a crystallinity of the silicon primary nanoparticles is A, the A is equal to Dn/Ds, and the A is equal to or greater than 1 and equal to or less than 200.
Resumen de: US2025149571A1
The present invention relates to positive electrode active material powder including overlithiated manganese-based oxide particles, which are represented by the disclosed Formula 1 and are in the form of a single particle composed of one nodule or a pseudo-single particle that is a composite of 2 to 30 or less nodules, and a positive electrode and a lithium secondary battery which include the positive electrode active material powder.
Resumen de: US2025149566A1
A negative active material composite includes a core and a coating layer surrounding the core. The core includes crystalline carbon, amorphous carbon, and silicon nanoparticles, the coating layer includes amorphous carbon, and an adjacent distance between the silicon nanoparticles is less than or equal to about 100 nm.
Resumen de: US2025149595A1
The lithium secondary battery includes a positive electrode, a separator, a negative electrode, and an electrolytic solution. The negative electrode includes a current collector sheet. The thickness of the current collector sheet is 10 μm to 20 μm. The current collector sheet has a plurality of recessed portions. In each of the recesses, assuming that a diameter on a surface is a, a center-to-center distance with another recess closest to the recess is b, and a depth is d, and assuming that an average value of the diameter a is A, an average value of the center-to-center distance b is B, an average value of the depth d is D, and a thickness of the current collection sheet is C, the following expressions (1), (2), and (3): 0.05≤A≤0.18 (1), B≤0.18 (2), and D/C≥3/5 (3) are satisfied.
Resumen de: US2025149532A1
A method for manufacturing an anode electrode includes supplying an anode current collector; coating a first portion of the anode current collector with a precursor coating; not coating a second portion of the anode current collector with the precursor coating; treating the anode current collector with plasma to at least one of decrease lithium wettability of the first portion and to increase lithium wettability of the second portion; and coating the anode current collector with lithium metal to form an anode active material layer.
Resumen de: US2025149626A1
The sodium battery of the present disclosure has a cathode layer, a separator, and an anode layer in this order, and is impregnated with an electrolytic solution. The sodium battery of the present disclosure is a sodium metal battery in which sodium metal is deposited during charging, or a sodium ion battery having hard carbon as an anode active material. The separator is composed of a plurality of porous layers, and in the thickness direction of the separator, the pore diameters of the respective layers of the plurality of porous layers are different so as to have two maximum values from the side of the cathode layer toward the side of the anode layer, and the maximum value on the side of the cathode layer among the two maximum values is larger than the maximum value on the side of the anode layer.
Resumen de: US2025149723A1
A wiring module of one embodiment is a member used for a battery pack in which a plurality of battery modules are arranged side by side in a first direction. The wiring module includes an insulating substrate and a wiring member. The substrate is disposed to face a first end of one battery module among the plurality of battery modules in a second direction in a case where the second direction is a direction intersecting the first direction. The wiring member includes a main body supported by the substrate, and a plurality of terminal connection portions mutually branching and extending from the main body and respectively connected to a plurality of detection terminals provided at the first end of the battery module.
Resumen de: US2025149652A1
A composite sulfide-based solid electrolyte includes a plurality of primary particles and a secondary particle comprising a lithium halide represented by Formula 1, wherein the primary particles comprise a sulfide-based solid electrolyte and the lithium halide is located between the primary particles, and a method of preparing the same: Formula 1=LiX, wherein X is any one selected from F, CI. Br and I.
Resumen de: US2025149643A1
Provided is an all-solid battery that can reduce electrical resistance after a cycle. The all-solid battery includes a cathode layer, an anode layer, and a solid electrolyte layer. The solid electrolyte layer is formed between the cathode layer and the anode layer. The anode layer contains a Si-based active material. The Si-based active material is a secondary particle having a plurality of primary particles. When a sum of void volume inside the primary particles included in the secondary particle is set to VV1 and a sum of void volume between the primary particles included in the secondary particle is set to VV2, a ratio of the VV1 to the VV2 calculated by VV1/VV2 is 0.8 or more and 5 or less.
Resumen de: US2025149759A1
A temperature acquisition assembly for battery cells and a battery module are provided. The temperature acquisition assembly for battery cells includes a support and temperature sensor(s). The support includes side plates and a bracket body that are connected at an included angle. The bracket body is configured to support busbars. The side plates are located at sides of the battery cells. A side surface of each side plate which is adjacent to the battery cells is provided with accommodation groove(s). Openings of the accommodation groove(s) face towards the battery cells, and the temperature sensor(s) are provided in the accommodation groove(s).
Resumen de: US2025149721A1
A battery pack includes at least one electrochemical cell, a main housing, at least one projection, and a lock member. The main housing defines a longitudinal axis extending between front and rear surfaces, a transverse axis orthogonal to the longitudinal axis and extending between pair of lateral surfaces, a height axis extending between upper and lower surfaces and orthogonal to each of the longitudinal axis and the transverse axis, and a longitudinal plane of symmetry extending between the front surface and the rear surface and disposed parallel to each of the longitudinal axis and the height axis. The at least one projection is asymmetrically positioned with respect to the longitudinal plane of symmetry of the main housing. The lock member defines a lock slot therein extending along the transverse axis, such that the lock slot is asymmetrically positioned with respect to the longitudinal plane of symmetry of the main housing.
Nº publicación: US2025149727A1 08/05/2025
Solicitante:
HYUNDAI MOTOR COMPANY [KR]
KIA CORP [KR]
HYUNDAI MOTOR COMPANY,
KIA CORPORATION
Resumen de: US2025149727A1
A battery module is provided that includes a battery cell including a first battery cell and a second battery cell distinguished from the first battery cell, a module frame that forms a cell accommodating part in which the battery cell is accommodated, and a cell cover member that forms a venting portion that discharges a fluid generated from the first battery cell from one side of the first battery cell in a vertical direction to the outside of the cell accommodating part.
BOPI
Sede Electrónica
