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1408
resultados
Última actualización
17/12/2025 [07:14:00]
Resultados 1075 a 1100 de 1408
Resumen de: US2025372784A1
A power storage device for a vehicle of a first aspect includes: a battery module group structured by a plurality of battery modules, in which a plurality of battery cells are accommodated, being disposed along one direction; and a mounting bracket extending in the one direction, connecting the plurality of battery modules, and fixed to a beam-shaped member extending in the one direction.
Resumen de: US2025372824A1
A busbar module includes a circuit body formed of a flexible substrate, and busbars respectively connected to electrodes of a plurality of single cells. The circuit body includes a main line arranged to extend along a stacking direction of the plurality of single cells, a branch line branched from the main line and to extend toward the busbar, the branch line having a portion extending along the stacking direction as at least a part of the branch line, and a terminal portion provided at a location of the branch line which is closer to a distal end side than the portion, and to be attached to the busbar. The branch line has a shape in which at least a part of the branch line is folded back toward the main line to overlap the main line in a thickness direction of the main line.
Resumen de: US2025372827A1
A metal welded structure is provided that enables highly reliable laser welding at a connection between a busbar and a voltage detection terminal in a battery pack. The metal welded structure includes a first metal member, a second metal member having a part overlapping with the first metal member, and a welded part formed in the overlapping part. The welded part has a molten part formed by melting through the second metal member in a thickness direction to the inside of the first metal member. When viewed in the overlapping direction, the welded part has a U-shape including a first linear part and a second linear part extending from both sides of the first linear part in a longitudinal direction to respective ends, and the width D1 between two end points of the welded part and the bead width W of the welded part have a relationship of D1/W≥2.
Resumen de: US2025368152A1
A refuse vehicle including a chassis, a body assembly coupled to the chassis, the body assembly defining a refuse compartment, an electric energy system, the electric energy system including one or more battery cells and control hardware, the electric energy system coupled to the body and configured to be accessed through an opening in the body, and one or more vibration isolation devices, the one or more vibration isolation devices structured to reduce effects of disruptive forces on the electric energy system.
Resumen de: US2025368530A1
In accordance with the purpose(s) of the present disclosure, as embodied and broadly described herein, the disclosure, in one aspect, relates to solid chalcohalide electrolytes and the efficient synthesis of solid chalcohalide electrolytes. The electrolytes have the general formula AaMbNcXdYeSf and have relatively high ionic conductivity. The electrolytes can be a component of different types of batteries. The process of synthesizing the electrolytes can be done with cost-effective materials, which is useful for scaling-up production of batteries such as all-solid-state batteries.
Resumen de: US2025368026A1
A battery pack for use in an electric vehicle, includes two longitudinal sill members extending in a length direction L, interconnected at a front side by a transverse front piece and at a distance from the front piece by a transverse member. Two or more rows of battery cells are placed side by side between the sill members. The front piece and the transverse member exert a compressive force of between 20 and 200 kN/m2 on the cells in the length direction.
Resumen de: US2025368025A1
An electrified vehicle includes a front subframe, a rear subframe, and a body that connects the front subframe to the rear subframe so that forces acting on the front subframe and the rear subframe are transmitted through the body. The vehicle also includes a housing coupled to an underside of the body between the front subframe and the rear subframe. An energy storage system is enclosed in the housing and includes a battery and a battery interface configured to electrically couple the battery to at least one component of the electrified vehicle.
Resumen de: US2025368522A1
Disclosed is a single chamber (or “single-cylinder”) system and method for iteratively-continuous multi-operation processing of lithium-rich solutions to recover usable lithium (namely in the form of lithium carbonate) via facilitated ion exchange with sodium carbonate to seamlessly perform various processing steps-which may include heating, mixing, precipitating, separating/filtering, and/or drying—and thereby reducing the need for separate processing equipment and improving overall processing efficiency.
Resumen de: US2025368527A1
Improved methods for preparing lithium transition metal oxide particulate such as lithium nickel metal cobalt oxide (“NMC”) for use in lithium batteries and other applications are disclosed. The lithium transition metal oxide particulate is prepared from appropriate transition metal oxide and Li compound precursors mainly using dry, solid state processes including dry impact milling and heating. Further, novel precursor particulates and novel methods for preparing precursor particles for this and other applications are disclosed.
Resumen de: US2025372816A1
A separator for a lithium secondary battery, includes: a porous polymer substrate; and a porous coating layer formed on at least one surface of the porous polymer substrate, the porous coating layer including inorganic particles and a binder polymer. The inorganic particles include surface-modified calcium carbonate (CaCO3). The surface-modified calcium carbonate includes first surface-modified calcium carbonate, second surface-modified calcium carbonate, or a combination thereof. The first surface-modified calcium carbonate includes first calcium carbonate; and a fatty acid-derived functional group chemically bonded to a surface of the first calcium carbonate. The second surface-modified calcium carbonate includes second calcium carbonate; and an organosilane-derived functional group chemically bonded to a surface of the second calcium carbonate.
Resumen de: US2025372777A1
A secondary battery includes: an electrode assembly including a first electrode, a second electrode, and a separator wound between the first electrode and the second electrode, the electrode assembly having a through-hole in a core portion; a case to accommodate the electrode assembly inserted through an opening in one side of the case, the case including a first thread on a side surface of the opening; a cap assembly to seal the opening of the case, and including a cap plate having a sidewall portion comprising a second thread to correspond to the first thread; and a center pin located inside the through-hole, and to be stretched in a longitudinal direction.
Resumen de: US2025372776A1
Aspects of the present disclosure relate to a secondary battery, and specifically, a secondary battery including a cap plate or a can having heterogeneous metal layers. To solve the technical problems herein, a secondary battery in accordance with embodiments of the present disclosure may include an electrode assembly comprising a positive electrode plate, a negative electrode plate, and a separator disposed between the positive electrode plate and the negative electrode plate, a can configured to provide a space for accommodating the electrode assembly, and a cap plate joined to an opening of the can and configured to form a through-hole, wherein the cap plate may include a first metal layer formed of a first metal and a second metal layer formed of a second metal different from the first metal, and the through-hole may be formed to pass through the first metal layer and the second metal layer.
Resumen de: US2025372806A1
A battery module includes a cell assembly including battery cells, a module case accommodating the cell assembly and having a vent to vent flames or gases, and a busbar assembly connected to the module case spaced apart from the vent, electrically connected to the battery cells and configured to cover a portion of the cell assembly in which electrode leads of the battery cells are disposed in two adjacent directions in the module case.
Resumen de: US2025372837A1
The disclosure relates to a battery cell. More specifically, the disclosure relates to a battery cell minimizing a connection space between a non-coating portion forming an electrode assembly and a current collector. The battery cell according to the disclosure can maximize the use efficiency of an internal space by minimizing a connection space between a non-coating portion of a jelly roll-shaped electrode assembly and a current collector. The battery cell according to the disclosure can increase a capacity by reducing a space loss inside a case accommodating an electrode assembly. The battery cell according to the disclosure arranges a welding face of a current collector perpendicular to a winding axis direction of an electrode assembly, and thus can reduce damage to the electrode assembly when the battery cell is crushed and can improve safety.
Resumen de: US2025372691A1
An assembly method and an assembly apparatus. The assembly method is used for assembling a battery unit; the battery unit comprises a housing and a plurality of battery cell assemblies connected in series and/or in parallel and accommodated in the housing; each battery cell assembly comprises an active substance coating part and a conductive part; the conductive part is located at one end of the battery cell assembly in the first direction and is used for electrically connecting the active substance coating part and an electrode post of the battery unit; the assembly method comprises the following steps: stacking the plurality of battery cell assemblies in a second direction, the second direction being perpendicular to the first direction; electrically connecting the conductive pats of the plurality of battery cell assemblies; and placing the plurality of battery cell assemblies into the housing.
Resumen de: US2025372664A1
A current collector comprises a current collector body, provided with a first side and a second side which are oppositely arranged, an opening passing through the first side and the second side being formed in the current collector body; and a blocking structure, which is arranged at the opening and is used for preventing solid particles from passing through the opening from the first side to move to the second side. The blocking structure facilitates an electrolyte to enter, via the current collector, a space above or below the current collector inside a casing, thus ensuring that the electrolyte wets an end of an electrode assembly and increasing the internal space utilization of the casing, and additionally, the blocking structure can prevent metal particles generated during a welding process of the current collector from entering the electrode assembly.
Resumen de: US2025372632A1
The present application provides a positive electrode active material and a preparation method thereof and a battery comprising same, and an electrical device. The positive electrode active material comprises a core and a first area formed on at least part of the surface of the core; the first area comprises a V element, and the mass concentration of the V element in the first area is denoted as W1; the core comprises a V element, and the mass concentration of the V element in the core is denoted as W2, then W1>W2.
Resumen de: US2025372635A1
A secondary battery is provided. The secondary battery includes a negative electrode sheet comprising a negative electrode current collector and a negative electrode film layer. The film layer has a first surface adjacent to the current collector and a second surface opposite the first surface. The thickness of the film layer is denoted as H. A region extending from the first surface to a depth of 0.3H is defined as a first region, and a region extending from the second surface to a depth of 0.3H is defined as a second region. The first region includes a first active material, and the second region includes a second active material. The first active material comprises a siloxy material, and the second active material comprises a silicon-carbon composite. This structural configuration provides controlled material distribution across the electrode thickness, enabling improved performance, cycling stability, and mechanical integrity of the secondary battery.
Resumen de: US2025372780A1
An aspect of a battery case according to the present disclosure includes: a lower case with a first storage unit in which a first electrode body is stored and a second storage unit in which a second electrode body is stored and which is provided adjacent to the first storage unit; a first external terminal to which a first electrode terminal of the first electrode body is connected; an intermediate terminal which electrically connects a second electrode terminal of the first electrode body and a first electrode terminal of the second electrode body to each other; and a second external terminal to which a second electrode terminal of the second electrode body is connected.
Resumen de: US2025372783A1
An energy storage apparatus includes an energy storage device unit including an energy storage device and an external terminal, in which the external terminal is disposed on an end portion of the energy storage device unit in a first direction, the energy storage device unit further includes a side member disposed in a second direction with respect to the energy storage device, the second direction intersecting the first direction, and the side member includes a projecting portion projecting more than the external terminal in the first direction.
Resumen de: US2025372781A1
This energy storage module comprises at least one cylindrical energy storage device (60), and a lower holder (41) that maintains the axial direction (Z) of the energy storage device (60). A member having higher rigidity than the lower holder (41) is provided to an end section in a direction (Y), where the direction (Y) is a direction orthogonal to the axial direction (Z) of the energy storage device (60), and a direction (X) is a direction that is mutually orthogonal to the axial direction (Z) and the direction (Y).
Resumen de: US2025372805A1
An energy storage apparatus includes energy storage devices including a gas release valve and arranged in a predetermined direction, a duct portion, a sealing portion between the energy storage devices and the duct portion, and an adjacent member between the energy storage devices adjacent to each other in the first direction. The adjacent member includes an adjacent member main body between the energy storage devices, and a locking piece including a locking piece main body extending from the adjacent member main body along the duct portion in a second direction that is a facing direction of the gas release valve and the duct portion, and a locking portion extending from a position spaced apart from the adjacent member main body in the locking piece main body, or a locking portion extending in a direction perpendicular or substantially perpendicular to the second direction and away from the duct portion.
Resumen de: US2025372851A1
An energy storage device including: a case including an electrolyte solution filling port that is for filling with an electrolyte solution; an electrolyte solution filling lid configured to seal the electrolyte solution filling port from an outside of the case; and an inner lid that is interposed between the electrolyte solution filling port and the electrolyte solution filling lid and covers the electrolyte solution filling port, in which the inner lid has an insulating property, and has a shape protruding outward of the case.
Resumen de: US2025370051A1
A multi-stack battery management device is disclosed herein. In various embodiments, the multi-stack battery management device comprises an energy storage system comprising one or more stacks including, wherein the one or more connected stacks comprises one or more connected stacks and one or more disconnected stacks, wherein the connected stacks are connected to a shared DC bus, a measurement module comprising a voltage measurement device and a current measurement device, the voltage measurement device configured to measure a measured voltage associated with one of the one or more stacks and the current measurement device configured to measure a measured current associated with one of the one or more stacks; a stack estimation system for receiving the measured voltage and the measured current from the measurement module and for generating an estimated stack open circuit voltage and an estimated stack resistance for one or more of the stacks; and a multi-stack management module for receiving the estimated stack open circuit voltage and the estimated stack resistance and for determining an output signal based on the estimated stack open circuit voltage and the estimated stack resistance, wherein the output signal is used for determining whether to connect the one or more disconnected stacks to the shared DC bus.
Nº publicación: US2025370291A1 04/12/2025
Solicitante:
SEMICONDUCTOR ENERGY LABORATORY CO LTD [JP]
SEMICONDUCTOR ENERGY LABORATORY CO., LTD
Resumen de: US2025370291A1
A novel electronic device is provided. Alternatively an electronic device of a novel embodiment is provided. An electronic device includes a ring portion and a display portion. The display portion is flexible. The display portion has a top surface and a first side surface in contact with at least one side of the top surface. The first side surface has a curved surface. The top surface includes a first display region. The first side surface includes a second display region. The first display region and the second display region are continuously provided. The electronic device is mounted such that the ring portion is in contact with a user's finger.
BOPI
Sede Electrónica
