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1450
results.
Updated on
18/07/2025 [07:37:00]
Results 475 to 500 of 1450
Absstract of: US2025226422A1
The disclosure relates to a mesh for an electrode of a lead-acid battery, having a plurality of longitudinal ribs arranged spaced apart from one another in the transverse direction and having a plurality of transverse ribs arranged between two respective adjacent longitudinal ribs and connected thereto, which longitudinal and transverse ribs form a mesh pattern with open areas for receiving an active substance, wherein the longitudinal ribs have a first maximum width in the transverse direction at least in one section running in the longitudinal direction, which is formed in an optimised manner with respect to the total receiving volume provided by the open areas for receiving the active substance, wherein at least one further longitudinal rib is provided, which has a second, maximum width over its entire longitudinal extent in the transverse direction, said width exceeding the first, maximum width of the other longitudinal ribs.
Absstract of: US2025226452A1
Provided are a non-aqueous electrolyte, which includes an organic solvent containing ethylene carbonate, a non-solvent, and a lithium salt, wherein a degree of freedom A of the ethylene carbonate, which is represented by Equation (1), is 30% or less, and a lithium secondary battery including the same-:A={Pfree-EC/(Pfree-EC+PCoordination-EC)}×100 Equation (1):wherein in Equation (1), A is the degree of freedom of the ethylene carbonate, Pfree-EC is an integrated area of a graph which is obtained by deconvolution of a Raman spectrum of the electrolyte with a Gaussian function based on a peak at 893 cm−1, and PCoordination-EC is an integrated area of a graph which is obtained by deconvolution of the Raman spectrum of the electrolyte with a Gaussian function based on a peak at 903 cm−1.
Absstract of: US2025226462A1
A battery pack may include a housing with an interface couplable to an external device configured to perform a group of applications. A battery pack may further include a plurality of battery cells disposed within the housing and electrically connected to the interface, the battery cells including a cathode, an anode, and a separator. The plurality of battery cells is configured to provide power to the external device for a runtime. The plurality of battery cells is additionally configured to fully recharge within a charge time, and wherein the charge time is less than a sum of the runtime plus a rest time corresponding to the time taken to prepare a new application group.
Absstract of: US2025226464A1
Disclosed are a method of manufacturing an all-solid-state battery including a silicon-based anode active material, and methods of operating and testing an all-solid-state battery manufactured by the manufacturing method.
Absstract of: US2025226557A1
A cylindrical battery cell comprising a jelly roll assembly comprising an anode sheet, a cathode sheet, a rubbing region formed at an uncoated region at the end of one of the anode sheet and the cathode sheet. The cylindrical battery cell further includes one or more separator sheets that separate the anode from the cathode and a header, a weld plate that provides an electrical connection between the jelly roll assembly and the header, and an outer housing and an insulator that separates the jelly roll assembly from the outer housing. The insulator includes a neck portion, an angular portion, a skirt portion, and a tapered portion. The neck portion is positioned between the outer housing and an extension portion of the weld plate. The angular portion is positioned between the neck portion and the skirt portion and positioned between the rubbing region and the outer housing.
Absstract of: US2025226546A1
A battery cell, a battery, and an electrical device are disclosed. The battery cell includes an electrode assembly, a shell, an electrode terminal, and a current collecting member. The electrode assembly has a tab. The shell accommodates the electrode assembly. The electrode terminal is disposed at one end of the shell in a first direction. The current collecting member is provided with a hollow region, and the hollow region divides the current collecting member into a first connection region and a second connection region located on two sides of the hollow region. The first connection region is connected to the tab, and the second connection region is connected to the electrode terminal. When the electrode terminal is subjected to stress, the hollow region enables the second connection region to deform relative to the first connection region, so the stress is not easily transmitted to the first connection region.
Absstract of: US2025226513A1
A method for assembling a plurality of cells into a battery module employs a controller having a processor and tangible, non-transitory memory. The method includes positioning the plurality of cells in a testing apparatus for pre-assembly testing. The testing apparatus is adapted to house a selected group of the plurality of cells at a time. The method includes performing a pulse power test on the selected group, via the testing apparatus. The method includes receiving respective voltage trace data based in part on the pulse power test. A respective internal resistance parameter of the plurality of cells is tracked based in part on the respective voltage trace data, via the controller. The method includes arranging the plurality of cells into sorted groups based in part on the respective internal resistance parameter and assembling the sorted groups in a predefined pattern into the battery module.
Absstract of: US2025226547A1
A secondary battery is provided and includes a battery device, an external terminal, and a lead. The battery device includes a first electrode and a second electrode that are stacked with a separator interposed between the first electrode and the second electrode, and are wound around a winding axis extending in a first direction. The lead includes two opposed edges, and couples the first electrode and the external coupling terminal to each other. The first electrode includes a first electrode current collector and a first electrode active material layer. The first electrode current collector includes a first edge. The first electrode active material layer covers a portion of the first electrode current collector. The lead is joined to the first electrode current collector in a state where the two opposed edges are inclined relative to the first edge.
Absstract of: US2025226459A1
A solid-state battery having an exterior portion. The exterior portion includes an oxide ceramic containing: Li (lithium); Mg (magnesium); and one or more elements (M) selected from Group 4 and Group 5 elements.
Absstract of: US2025226451A1
A lithium-ion battery including a novel electrolyte and the like is provided. The lithium-ion battery includes a positive electrode active material containing nickel, cobalt, and manganese, and an electrolyte containing a fluorinated cyclic carbonate and a fluorinated chain carbonate. A discharge capacity value obtained by placing a half cell including the positive electrode active material and the electrolyte at an ambient temperature of 25° C., performing constant current charging at a rate of 0.1 C until a voltage of 4.5 V, performing constant voltage charging at 4.5 V until a current value of 0.05 C, placing the half cell at an ambient temperature of −40° C., and performing constant current discharging at the rate of 0.1 C until a voltage of 2.5 V satisfies greater than or equal to 50% of a discharge capacity value obtained by placing the half cell at the ambient temperature of 25° C.
Absstract of: US2025226420A1
An electrode body includes an active material layer including an electrode active material and an electrolytic solution, an electrode conductor including (i) a first region where the active material layer is located and (ii) a second region being a region different from the first region and being a region to which a connection terminal can be electrically connected, and a resistance portion of the electrode conductor, the resistance portion being located closer to a side of the second region than the first region, the resistance portion exhibiting a higher resistance than the first region with respect to movement of the electrolytic solution along a surface of the electrode conductor.
Absstract of: US2025226472A1
Systems and methods are provided herein for disassembling a battery system. Further, systems and methods are provided herein for a battery apparatus configured for disassembly of a battery system. In addition, systems and methods are provided herein for preparing a battery system including a first plurality of members bonded with a first adhesive and a second plurality of members bonded with a second adhesive for disassembly of the battery system.
Absstract of: US2025226468A1
The internal temperature distribution of a battery cell is assessed by acquiring lithium content at different positions on a negative electrode plate of a target battery cell and a corresponding test environment temperature and determining lithium intercalation reaction rate ratios at different positions based on the lithium content at different positions on the negative electrode plate. Temperature values at different positions on the negative electrode plate are calculated based on the lithium intercalation reaction rate ratios at different positions on the negative electrode plate and the test environment temperature. An internal temperature distribution assessment result of the target battery cell is determined based on the temperature values at different positions on the negative electrode plate. Temperature gradients at different positions can be calculated by measuring the lithium content on a lithium-intercalated negative electrode plate, so that the internal temperature distribution assessment result of the battery cell can be obtained.
Absstract of: US2025226461A1
A control container configured to be connected to an external electrical system and at least one of power conversion system (PCS) including a DC unit having a DC line and configured to receive DC power from the PCS through the DC line, an AC unit having an AC line and configured to receive AC power from the external electrical system through the AC line, and a main controller connected to the AC unit and configured to receive a power from the external electrical system through the AC line.
Absstract of: US2025226545A1
An energy-storage device and an electricity-consumption apparatus are provided. The energy-storage device includes an electrode assembly, a tab, a connector, and a lower plastic assembly. One end of the tab is connected to the electrode assembly, and the tab extends in a bent manner. The connector is connected to another end of the tab. The lower plastic assembly has a first surface and a second surface opposite the first surface. The first surface faces towards the tab. The connector is located between the lower plastic assembly and the electrode assembly. An avoidance recess is defined in the first surface. The avoidance recess is located at an edge of the lower plastic assembly in a width direction of the lower plastic assembly and extends in a length direction of the lower plastic assembly.
Absstract of: US2025226511A1
A battery pack includes a battery housing; a battery module disposed in the battery housing, where the battery module includes multiple battery cells, and at least one of the battery cells is a solid-state battery; and a control circuit disposed in the battery housing and configured to use the battery module to supply the electric power to the power tool. The energy W of the battery pack and the volume V1 of the battery pack satisfy the following: when the energy W is greater than or equal to 200 Wh, the volume V1 is less than or equal to 400 cm3; or when the energy W is greater than or equal to 300 Wh, the volume V1 is less than or equal to 800 cm3; or when the energy W is greater than or equal to 700 Wh, the volume V1 is less than or equal to 2500 cm3.
Absstract of: US2025226543A1
A battery pack includes a plurality of battery modules including a first battery module and a second battery module; and a busbar electrically connecting the first battery module and the second battery module, wherein the first battery module or the second battery module includes a vent hole in a portion corresponding to a portion of the busbar.
Absstract of: US2025226553A1
A rechargeable battery module includes: a busbar holder configured to cover a plurality of battery cells; a flexible printed circuit (FPC) configured to transmit a signal corresponding to a detected temperature of at least one of the battery cells from a temperature sensor mounted on the busbar holder; a temperature sensing tab including a sensor connection portion at a first side that is connected to the temperature sensor and a cell contact portion at a second side that is coupled to the busbar holder and in contact with the one of the battery cells; and an elastic member coupled to the cell contact portion and configured to elastically pressurize the cell contact portion onto the one of the battery cells.
Absstract of: US2025226533A1
A separator, a battery including the separator, and an electric apparatus including the battery. The separator includes a separator substrate, and the separator substrate satisfies at least one of the following conditions: the separator substrate includes a reinforced fiber layer; and at least one side surface of the separator substrate has a reinforced coating layer.
Absstract of: US2025226495A1
Provided are a cell battery, a battery pack, and an electrical device. The cell battery includes: a housing; a first end cover provided at an end of the housing, the first end cover including a first base cover and a first explosion-proof valve mounted at the first base cover, and a second end cover provided at the other end of the housing, the second end cover including a second base cover and a second explosion-proof valve mounted at the second base cover.
Absstract of: US2025226470A1
A rechargeable battery cell a casing and first and second electrode materials separately positioned in the casing. A mechanical impulse element is positioned to mechanically move and dislodge gas bubbles from at least one of the first and second electrode materials in response to activation. In some embodiments the mechanical impulse element can include a vibratory piezoelectric element. In other embodiments, a gas vent in the battery cell can be used to release dislodged gas bubbles.
Absstract of: US2025226460A1
Discussed is a management apparatus that can include a heating unit including a heater configured to heat a plurality of battery units, an obtaining unit configured to obtain temperature information of a plurality of battery management systems (BMSs) respectively included in the plurality of battery units, and a controller configured to match a plurality of first identification information of the plurality of battery units to a plurality of second identification information of the plurality of BMSs, based on the temperature information of the plurality of BMSs and heating information of the heater.
Absstract of: US2025226418A1
An electrode plate includes: a base layer; a current collecting layer including: a first conductive layer; and a second conductive layer respectively on upper and lower surfaces of the base layer; and an electrode plate layer on at least one surface of the current collecting layer, wherein the current collecting layer includes: a current collecting portion where the electrode plate layer is on at least one surface; an extending portion extending outward from the current collecting portion; and a curved portion connected to the extending portion and having a portion that is bent.
Absstract of: US2025226467A1
A battery pack may be provided. The battery pack may include battery modules arranged along rows and columns, slave battery management systems (BMSs) respectively between adjacent ones of the battery modules in the rows of the battery modules, configured to detect status information of the adjacent ones of the battery modules, and at different respective heights, and a master BMS configured to receive status information of the battery modules through wireless optical communication with the slave BMSs.
Nº publicación: US2025226388A1 10/07/2025
Applicant:
SAMSUNG SDI CO LTD [KR]
Samsung SDI Co., Ltd
Absstract of: US2025226388A1
A rechargeable lithium battery including a positive electrode including a positive electrode active material, the positive electrode active material including a first positive electrode active material that includes a layered lithium nickel-manganese-based composite oxide and is in a form of secondary particles formed, the secondary particles including a plurality of primary particles, and an average particle diameter (D50) of the secondary particles is about 10 μm to about 25 μm, and a second positive electrode active material that includes a layered lithium nickel-cobalt-based composite oxide and is in a form of single particles, and an average particle diameter (D50) of the single particles is about 0.5 μm to about 8 μm.
BOPI
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