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1394
results.
Updated on
23/12/2025 [07:13:00]
Results 150 to 175 of 1394
Absstract of: US2025385251A1
Disclosed are negative electrodes and rechargeable lithium batteries. The negative electrode includes a negative electrode current collector, and a negative electrode active material layer on the negative electrode current collector. The negative electrode active material layer includes a first negative electrode active material that includes a silicon-carbon composite, a second negative electrode active material that includes a first carbon-based material having a degree of divergence (DD) value that is equal to or greater than about 15, a binder, and a conductive material that includes a second carbon-based material having a one-dimensional nano-structure.
Absstract of: US2025385254A1
There is provided a positive electrode active material comprising (a) a first component comprising lithium transition metal oxide spinel particles; (b) a second oxide component selected from oxides of Sr, Y, Zr, Nb, La and W, and mixtures thereof; wherein the positive electrode active material is (i) particles comprising one or more single crystals of the first component, wherein the arithmetic mean value of the minimum Feret diameter of the particles measured using scanning electron microscopy is no greater than 3 μm,wherein the second oxide component is disposed at least partly on the surface of the particles; and/or(ii) secondary particles comprising agglomerated single crystal particles of the first component, wherein the second oxide component is dispersed through the secondary particles on the surface of the single crystal particles at the interfaces between the single crystal particles.
Absstract of: US2025385257A1
A non-aqueous electrolyte secondary battery according to one embodiment of the present invention comprises: a positive electrode containing a positive electrode active substance; a negative electrode; and a non-aqueous electrolyte. The positive electrode active substance comprises a lithium transition metal compound oxide containing at least Ni. The lithium transition metal compound oxide is secondary particles formed by aggregation of primary particles, and the primary particles present on the surface of the secondary particles have a crystal structure that includes a rock salt structure, a spinel structure, and a layered rock salt structure formed in order from the particle surface.
Absstract of: US2025385256A1
Provided is a positive electrode active material for a non-aqueous electrolyte secondary battery that can improve the capacity and durability of the non-aqueous electrolyte secondary battery. The positive electrode active material contained in a non-aqueous electrolyte secondary battery comprises a lithium transition metal composite oxide containing at least 70 mol % of Ni and Mn with respect to the total molar amount of metal elements other than Li, the lithium transition metal composite oxide is composed of single particles, the average particle size of the single particles is 0.65 μm-4 μm, and the crystallite size of the single particles is 380 Å-750 Å.
Absstract of: US2025385262A1
The present application relates to a silicon-carbon composite material and a preparation method therefor, a negative electrode sheet, a secondary battery, and an electrical device. The silicon-carbon composite material comprises a porous carbon matrix and a silicon-based material layer located in pores of the porous carbon matrix, the silicon-based material layer comprises a sub-nano silicon cluster and a sub-nano silicon carbide cluster, and the surface of the sub-nano silicon carbide cluster is in contact with the surface of the sub-nano silicon cluster. The silicon-carbon composite material has small expansibility, good cycle performance and fast charging performance and high energy density.
Absstract of: US2025385300A1
A high energy density rechargeable metal-ion battery includes an anode energy layer, a cathode energy layer, a separator for separating the anode and the cathode energy layers, an anode current collector for transferring electrons to and from the anode energy layer, the battery characterized by a maximum safe voltage for avoiding overcharge, and an interrupt layer that interrupts current within the battery upon exposure to voltage in excess of the maximum safe voltage. The interrupt layer is between the anode energy layer and current collector. When unactivated, it is laminated to the cathode current collector, conducting current therethrough. When activated, the interrupt layer delaminates from the anode current collector, interrupting current therethrough. The interrupt layer includes a voltage sensitive decomposable component that upon exposure to voltage in excess of the maximum safe voltage decomposes, evolving a gas, delaminating the interrupt layer from the anode current collector, interrupting current therethrough.
Absstract of: US2025385289A1
A battery formation device comprises a formation three-dimensional storage and further comprises a battery placing manipulator, a battery taking manipulator, a button cup taking manipulator, a capsule conveying circulating drawstring, a first capsule transfer conveying line and a first capsule conveying drawstring. The battery placing manipulator, the battery taking manipulator and the button cup taking manipulator are all arranged on a formation frame, and are all capable of moving forth and back relative to the formation frame, the battery placing manipulator and the battery taking manipulator are arranged side by side left and right, the button cup taking manipulator is located behind the battery placing manipulator and the battery taking manipulator, the capsule conveying circulating drawstring penetrates through the formation frame and is located below the button cup taking t manipulator, and the formation three-dimensional storage is arranged behind the formation frame.
Absstract of: US2025385290A1
According to the present disclosure, provided is a manufacturing apparatus of a battery cell including an electrode assembly accommodation portion accommodating an electrode assembly, and a sealing portion sealing a perimeter of the electrode assembly accommodation portion, the sealing portion including a protrusion portion further protruding than a non-sealed surface not sealed in the electrode assembly accommodation portion, the manufacturing apparatus including: a pair of fixing blocks configured to pressurize and fix the sealing portion in a first direction, perpendicular to one surface of the sealing portion; and a folding block configured to fold the protrusion portion further protruding in a second direction, perpendicular to the first direction, further than the non-sealed surface, and the folding block may include a pressurizing portion formed to be perpendicular to the second direction, and an inclination portion extending from the pressurizing portion and forming an inclination with respect to the pressurizing portion.
Absstract of: US2025385372A1
Discussed is a modular battery pack including a base pack having two or more cylindrical battery cells connected to each other in series, the base pack having a cuboidal shape, and at least one add-on pack having two or more cylindrical battery cells connected to each other in series, the add-on pack having a cuboidal shape. The two or more cylindrical battery cells are disposed side by side in parallel in each of the base pack and the add-on pack, the base pack and the add-on pack are disposed such that side surfaces of the two or more cylindrical battery cells face each other, and the base pack and the add-on pack are connected to each other in parallel. Accordingly, add-on packs may be connected to the base pack in parallel without limit to number to allow easy and simple increase in a capacity of the modular battery pack.
Absstract of: US2025385359A1
A battery module and a battery pack are provided. The battery module includes two end plate assemblies spaced apart in a first direction and a middle plate connected between the two end plate assemblies. The middle plate includes a partition portion and a connection portion distributed in a straight line in the first direction and in a same plane. The middle plate is inserted into and fitted with the corresponding end plate assembly at least through the connection portion. At least one side plate surface of the partition portion has a light shielding structure protruding from a plate surface of the connection portion. The light shielding structure is arranged on at least one side plate surface of the partition portion.
Absstract of: US2025385405A1
A secondary battery includes a case having an opening, an electrode assembly in the case, and a cap assembly configured to seal the opening of the case, the cap assembly including a cap-up exposed to an outside of the case, a vent plate between the cap-up and the electrode assembly, the vent plate being electrically connected to the cap-up, a cap-down between the vent plate and the electrode assembly, the cap-down being electrically connected to the vent plate and the electrode assembly, a first insulator between the vent plate and the electrode assembly, and a second insulator between the vent plate and the electrode assembly, the second insulator being spaced apart from the first insulator and being configured to support the vent plate.
Absstract of: US2025385404A1
Provided is a secondary battery having improved structural stability. The an electrode assembly includes a plurality of negative electrodes each including a negative electrode tab and a plurality of positive electrodes arranged alternately with the negative electrodes and each including a positive electrode tab, a first current collector electrically connected to the negative electrodes, and a first insulator disposed below the first current collector, wherein negative electrode tabs of at least some of the plurality of negative electrodes overlap in a first position to form a first negative electrode tab stack and negative electrode tabs of the others of the plurality of negative electrodes overlap in a second position, different from the first position, to form a second negative electrode tab stack, and the first insulator is disposed adjacent to the first negative electrode tab stack and the second negative electrode tab stack simultaneously.
Absstract of: US2025385389A1
A solid-state battery of the present disclosure includes an electrode body and current collector tabs that are connected to the electrode body. The electrode body has a positive electrode current collector, a positive electrode active material layer, a solid electrolyte layer, a negative electrode active material layer, and a negative electrode current collector. The solid electrolyte layer has a support including a plurality of pores. The support has projecting parts that project relative to end surfaces of each of the positive electrode active material layer and the negative electrode active material layer. A number of pores in the support in the projecting parts is less than a number of pores in the support in the nonprojecting part.
Absstract of: US2025385365A1
A battery assembly includes: a plurality of battery cells arranged in a first direction; an end plate provided at an end portion of a stack of the plurality of battery cells in the first direction; a restraint member that restrains the plurality of battery cells and the end plate in the first direction; and an elastic mechanism provided between the restraint member and the end plate; and a mechanism that suppresses relative positional deviation between the end plate and the restraint member in a second direction orthogonal to the first direction.
Absstract of: US2025385395A1
A battery module in which a plurality of battery cells each having one side surface on which an electrode terminal is disposed are stacked includes: a first binding bar provided to cover a side of each of the plurality of battery cells on which the electrode terminal is disposed; and a plurality of bus bars that each electrically join electrode terminals of battery cells adjacent to each other, wherein each of the bus bars is fixed at a position facing the electrode terminals on an inner surface side of the first binding bar on which the battery cells are located, and the bus bar is not fixed to each of the electrode terminals and is in contact with and connected to the electrode terminal.
Absstract of: US2025385054A1
A method is for manufacturing an energy storage device. The method includes the steps of: providing a first anode portion with a first metal-ion pre-doping degree, providing a second anode portion with a second metal-ion pre-doping degree which is lower than the first metal-ion pre-doping degree, and producing an electrode assembly by combining the first and second anode portions with a cathode and a separator for preventing electrical contact between the anode portions and the cathode. An electrode assembly and an energy storage device are provided having a container including the electrode assembly.
Absstract of: US2025386159A1
The present disclosure discloses a NiMo-based nanomaterial earphone diaphragm sand a preparation method thereof. The diaphragm uses a paper base film as the basis, and a uniform distribution of a NiMo-based nanomaterial coating is formed on a surface of the base film by plasma modification and electrostatic spraying technology, forming a concentric ring structure and using the NiMo-based nanomaterial as connecting lines to enhance the stability and conductive performance of the overall structure. This design not only significantly improves the audio quality performance of the earphones, including clarity, detail restoration, and dynamic range, but also greatly improves the durability and environmental adaptability of the diaphragm. The present disclosure provides an innovative solution for high-end earphone manufacturing, and is especially suitable for music lovers who pursue the ultimate audio experience and professional audio fields.
Absstract of: US2025385542A1
An uninterruptible power supply system with a housing, at least one input port configured to receive power from an external power source, at least one output port configured to provide power to a respiratory device, a battery pack contained within the housing, a power supply circuit configured to selectively bypass the battery pack and enable the power from the external power source to provide power to the respiratory device, while allowing power to charge the battery pack of the power supply; and a warning system configured to provide an indication of the power level of the battery pack. The uninterruptible power supply system allowing locking of cables inserted into the input and output ports. The uninterruptible power supply system allowing daisy-chaining to improve the total power level.
Absstract of: US2025385523A1
Systems and methods for providing power to food carts using solar energy, battery storage, and hydrogen fuel cell energy. Systems comprise a plurality of solar panels arranged on a food cart, a battery system disposed in a basement, and a controller configured to monitor and control the power flow between the solar panels, the battery system, and the food cart, where the control system determines when hydrogen fuel cell energy is needed.
Absstract of: US2025385373A1
A housing for an electrical power storage battery includes a plate, onto which power elements of the battery are attached, and a bell cover covering the plate and means for mechanically attaching the bell cover onto the plate. The plate may include means for the electrical connection of the battery, means for the connection of communication means, and means for the thermal management of the electrical power elements.
Absstract of: US2025385343A1
A thermal insulator for a battery module including at least one nonwoven layer of intertwined fibers and an outer heat-shrunk polymeric layer, wherein the at least one nonwoven layer of intertwined fibers is compressed by the outer heat-shrunk layer.
Absstract of: US2025385366A1
A battery assembly includes: a plurality of battery cells arranged in a first direction; and a restraint member that restrains the plurality of battery cells in the first direction, wherein each of the plurality of battery cells has an electrode terminal on at least one side in a second direction orthogonal to the first direction, the restraint member includes a pair of members provided to sandwich the plurality of battery cells in the second direction, and the pair of members are provided to be separated from each other in the second direction.
Absstract of: US2025385371A1
A modular electrochemical energy storage system comprises a plurality of modules. These include: at least one energy storage module, which is configured for the electrochemical storage of energy and has a first housing of a first housing type; and at least one control module, which is configured as an inverter and control unit for at least partial control of the energy storage system and comprises a second housing of a second housing type. The first housing and the second housing each comprise at least one housing opening on their upper housing sides and lower housing sides. In this case, a plurality of modules can be stacked vertically one on top of the other, regardless of their housing design, in such a way that, in the case of respective two modules which are vertically adjacent in the stack, a housing opening on the housing lower side of the upper of the two modules overlaps a housing opening on the housing upper side of the lower of the two modules in such a way that, by means of these overlapping housing openings, a vertical line routing for the line-bound connection of a module which is located in the stack (directly or indirectly) above the lower of the two modules is made possible. The connection can be, in particular, an electrical and/or a hydraulic connection.
Absstract of: US2025385394A1
A soldering structure and a soldering method for a battery cell, and a battery are provided, relating to the field of battery technology. The soldering structure for the battery cell includes a wound body; full electrode tabs, formed at ends of the wound body; and current collecting parts, soldered to sides, facing away from the wound body, of the full electrode tabs to form multiple solder joints; in which the multiple solder joints are arranged at equal arc distances along a winding direction of the wound body. The multiple solder joints are arranged at equal arc distances along the winding direction of the wound body, so that the solder joints can be uniformly distributed on the full electrode tabs along the winding direction, and a current can be uniformly transmitted into the wound body through the full electrode tabs, reducing the current loss.
Nº publicación: US2025385385A1 18/12/2025
Applicant:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Absstract of: US2025385385A1
The present application relates to a separator, a battery cell, a battery and an electrical apparatus, wherein the separator comprises two surfaces opposite to each other along its own thickness direction, at least one of the surface of the separator and the interior of the separator comprises a pore structure, and the separator further comprises a swellable polymer; the separator satisfies: when a pressure of 1.25 MPa is applied along the thickness direction of the separator, the compression rate ΔV of the separator is ≤25%.
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