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1057
resultados
Última actualización
21/11/2025 [07:10:00]
Resultados 325 a 350 de 1057
Resumen de: US2025349959A1
A battery system includes battery cells arranged along a stacking axis to form a cell stack, a cell stack frame accommodating the cell stack, and an end plate at an end of cell stack frame. The end plate includes a plate element in contact with the cell stack and deformation structures extending from opposite sides of the plate element substantially parallel to the stacking axis. Each deformation structure includes a first compression portion and a first extension portion connected in series and overlapping each other in a direction perpendicular to the stacking axis. The end plate, in an assembled position, is supported by the cell stack frame such that the first compression portion is compressed, the first extension portion is extended, and the plate element exerts a pressure onto the cell stack.
Resumen de: US2025349957A1
The present disclosure relates to a battery assembly comprising: a plurality of battery cells stacked and arranged in a predetermined stacking direction; an accommodation case housing the plurality of battery cells; an insertion space formed between the plurality of battery cells and the accommodation case along the stacking direction; and a thermal delay assembly located in the insertion space, the thermal delay assembly including: a fire-extinguishing member; and a columnar housing member housing the fire-extinguishing members therein and extending along a height direction of the accommodation case; and an assembly method thereof.
Resumen de: US2025349832A1
A lithium-ion secondary battery including a positive electrode, a negative electrode, a separator, and an electrolyte. The positive electrode includes a first positive electrode material and a second positive electrode material. The first positive electrode material has good cycling stability and high initial coulombic efficiency, and the second positive electrode material has a high initial charge specific capacity and low initial coulombic efficiency. This can compensate for the active lithium loss caused by the formation of SEI. The lithium-ion secondary battery provided in this application has advantages of good rate performance and long cycle life.
Resumen de: US2025349826A1
Provided are a negative electrode coating layer and an all-solid-state battery including the same, and, for example, a negative electrode coating layer for an all-solid-state battery, including a metal-carbon composite in which a metal and a carbon-based material are chemically bonded through sulfur, wherein a content of sulfur ions measured by negative ion analysis is about 1,000 ppm to about 10,000 ppm, and a root mean square roughness (Sq) of one surface is about 0.6 μm or less.
Resumen de: US2025349828A1
A positive electrode active material comprises a first active material represented by a formula (I) and a second active material represented by a formula (II). The formula (I) and the formula (II) are as specified in the claims. Each of the first active material and the second active material is secondary particles each consisting of 50 or more primary particles aggregated together. An average particle size (D150) of the first active material is smaller than an average particle size (D250) of the second active material.
Resumen de: US2025349823A1
The present technology relates to a dry method of manufacturing a positive electrode for a lithium secondary battery, a positive electrode manufactured thereby, and a lithium secondary battery including the same. Thereby, a positive electrode including a positive electrode mixture layer with an appropriate density, and effective adhesion between the positive electrode mixture layer and the current collector may be realized.
Resumen de: US2025349958A1
Embodiments include enclosures for protecting electronics such as circuit board and battery assemblies in high-pressure environments. Customized pressure distribution structures are positioned around the electronics. The pressure distribution structures include cavities that are sized to distribute pressure across the electronics in a predetermined manner based on known pressure tolerances of components or portions of the electronics. The pressure distribution structures may include various features such as vias for enhancing thermal conductivity. The enclosure may be sealed and surrounded by an envelope. Methods for manufacturing such enclosures are disclosed.
Resumen de: US2025349953A1
The application relates to a fire extinguishing sheet, a battery module, and a battery pack are disclosed. A fire extinguishing sheet includes a fire extinguishing layer that includes a solid aerosol and is configured to release the solid aerosol at temperatures above a reference temperature.
Resumen de: US2025349952A1
A housing configured to accommodate a battery cell stack of a battery module is provided. The housing has a frame that includes a cut-out portion formed on an inner surface of the frame adjacent to a protruding-shaped vulnerable portion (bat-ear) provided at a corner portion of each of battery cells included in the battery cell stack. The cut-out avoids interference with the protruding-shaped vulnerable portion. A double injection-molded portion is bonded to a machined surface of the cut-out portion by double injection molding and may have a shape more depressed than the inner surface to cover the cut-out portion while avoiding the interference with the vulnerable portion.
Resumen de: US2025349954A1
Disclosed are composite substrates, and rechargeable lithium batteries including the composite substrates. A composite substrate includes a support layer, a first metal layer on a top surface of the support layer, and a second metal layer on a bottom surface of the support layer. The support layer includes a first polymer and a second polymer that are different from each other. A tensile strength of the second polymer is greater than a tensile strength of the first polymer. An elongation of the first polymer is greater than an elongation of the second polymer.
Resumen de: US2025349951A1
A battery includes an electrode assembly, a packaging bag, and a tab. The electrode assembly is accommodated in the packaging bag. The packaging bag includes a first sealing edge, and the tab is connected to the electrode assembly and extends from the first sealing edge. The battery further includes a tab adhesive disposed between the first sealing edge and the tab. The tab adhesive includes a first adhesive layer, a second adhesive layer, and a third adhesive layer sequentially connected from the tab to the first sealing edge. In an stacking direction of the first adhesive layer, the second adhesive layer, and the third adhesive layer, a sum of thicknesses of the first adhesive layer, the second adhesive layer, and the third adhesive layer is 70 μm to 100 μm, and a thickness ratio of the first adhesive layer to the second adhesive layer satisfies 1:1.2-2.
Resumen de: US2025349955A1
Provided is a lower protecting plate of a battery module for an electric car. The lower protecting plate may include a fiber-reinforced plastic composite formed of a lamination sheet including at least one of first and second sheets. The first sheet may include matrix resin and reinforced fiber in the form of long fiber. The second sheet may include matrix resin and reinforced fiber in the form of fabric woven by continuous fiber.
Resumen de: US2025349944A1
A solid-state electrochemical cell includes a solid electrolyte where at least a portion of the electrolyte is in a compressive stress state. The compressive stress state includes at least one stress component that is orthogonal to the preferred direction of dendrite growth, which may correspond to the direction of an electric field. If the magnitude of the stress component is sufficiently large (e.g., greater than 50 MPa), then the growth of a dendrite passing through that portion of the electrolyte may be suppressed or deflected towards the direction of the applied stress component. In this manner, a dendrite may be deflected away from a cathode, thus prolonging the life of the cell. The compressive stress state may be generated by applying an external mechanical load to the cell and/or generating a residual stress in the cell during manufacture or assembly.
Resumen de: US2025349915A1
The present invention relates to an intelligent device, a battery pack information input method, and a computer-readable medium. The intelligent device includes a human-machine interaction module and an information conversion module and is configured to input information into a battery pack. The battery pack information input method includes: setting input information of a battery pack at the human-machine interaction module; the information conversion module converting the input information into configuration information that meets the communication requirements of the battery pack and sending the configuration information to the battery pack; the battery pack storing the configuration information into a memory; and the intelligent device reading the configuration information in the battery pack memory and compares and verifies the configuration information against the input information. The battery pack information input method enables the intuitive input of production information and charging and discharging information of the battery pack during production.
Resumen de: US2025349936A1
The cooling system comprises at least a cooling wall and a tube for circulating a coolant. The tube is held against the cooling wall by being disposed between this cooling wall and a fixing plate fixed to this wall, particularly by clinching.
Resumen de: US2025349861A1
In some example, a battery assembly for an implantable medical device includes a first anode plate comprising a first anode current collector and a first active material on the first anode current collector; a second anode plate comprising a second anode current collector and a second active material on the second anode current collector; and a cathode plate between the first anode plate and the second anode plate, wherein the cathode plate comprises a cathode current collector, the cathode current collector having an exposed portion, wherein the first active material is recessed relative to the exposed portion of the cathode plate such that a first nearest perimeter of the first active material is further from the exposed portion of the cathode current collector compared to a second nearest perimeter of the second active material.
Resumen de: US2025349851A1
A cathode active material for a lithium secondary battery of embodiments of the present invention includes a lithium composite oxide, a first coating part formed on a surface of the lithium composite oxide and containing aluminum, and a second coating part formed on the first coating part and containing boron. Thereby, stability and electrical characteristics of the secondary battery may be improved.
Resumen de: US2025349848A1
The present invention concerns a material of formula (I):wherein:A is Na or Li or a mixture of Na and Li,1
Resumen de: US2025349930A1
Provided is a battery pack including at least two layers of battery modules and a liquid cooling assembly. A liquid cooling assembly includes a first plate, a second plate, and a third plate, wherein the second plate is located between the first plate and the third plate, a first cooling flow channel is formed between the first plate and the second plate, a second cooling flow channel is formed between the second plate and the third plate, and communication or discommunication between the first cooling flow channel and the second cooling flow channel is formed between the second plate and the third plate.
Resumen de: US2025349948A1
The present disclosure relates to a battery cell including an electrode assembly; a body case including an opening on one surface and accommodating the electrode assembly therein through the opening; a coupling region located adjacent to the opening along at least a portion of a circumference of the opening in one region of the body case; a coupling hole penetrating the body case in the coupling region; a cover portion including a terminal portion electrically connecting the electrode assembly to an outside and coupled to the body case in the coupling region to cover the opening; and an adhesive member cured by being located on an inner side surface of the body case and an outer side surface of the body case in the coupling region through the coupling hole and combining the cover portion and the body case, and a manufacturing method of the battery cell.
Resumen de: US2025349946A1
A prismatic cell having a cell housing, comprising an inner shell, comprising a first side wall and a second side wall spaced from the first side wall, an upper wall coupled to the first side wall and the second side wall, a lower wall coupled to the first side wall and the second side wall, and an inner side and an outer side opposite the inner side. The prismatic cell further comprising an outer shell coupled to the outer side of the inner shell, one or more cavities between the inner shell and the outer shell, and one or more cooling channels arranged in the one or more cavities and coupled to the outer side of the inner shell. The one or more cavities comprising at least one first fluid conduit on a first side of the cooling channels and at least one second fluid conduit on a second side of the cooling channels.
Resumen de: US2025349852A1
Provided is a secondary battery that makes it possible to achieve a superior battery characteristic. The secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode includes a sulfur-containing polymer compound. The negative electrode includes a magnesium-containing material. The electrolytic solution includes an electrolyte salt. The sulfur-containing polymer compound includes carbon, nitrogen, and sulfur as constituent elements, and includes a carbon-nitrogen bond and a carbon-sulfur bond. The electrolyte salt includes a magnesium ion and a lithium ion as cations, and includes a halogen ion as an anion.
Resumen de: US2025349947A1
A battery cell, a battery, and an electric device are disclosed. The battery cell includes a casing with an inner cavity and a first wall, an electrode assembly disposed in the inner cavity, an isolating structure at least partially positioned between the first wall and the electrode assembly, and an insulating piece. The isolating structure includes a first through hole, and the insulating piece includes a first portion that covers the first through hole. The structure reduces the likelihood of powder migrating from one side of the electrode assembly to the side of the first wall through the through hole, thereby improving the reliability of the battery cell.
Resumen de: US2025349858A1
An electrochemical device mixture with which a mixture sheet exhibiting excellent strength and excellent flexibility can be obtained even though the mixture contains only a small amount of binder. An electrochemical device mixture containing: an electrode active material and/or a solid electrolyte; and a binder, the binder containing a TFE-based polymer composition, the TFE-based polymer composition containing a TFE-based polymer and at least one compound selected from the group consisting of a compound represented by the formula (1) of the disclosure (H—(CF2)m-1—COO)pM1) and a compound represented by the formula (2) of the disclosure (H—(CF2)n—SO3)qM2), the binder being contained in an amount of 0.3% by mass or more and 8% by mass or less.
Nº publicación: US2025349908A1 13/11/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD
Resumen de: US2025349908A1
An electrode assembly includes a core and an outer circumferential surface having a positive electrode, a negative electrode, and a separator interposed therebetween. The positive electrode or the negative electrode includes a current collector having a long side and a short side, the current collector further having an uncoated portion. The uncoated portion includes an electrode tab defined section and at least one electrode tab undefined section not used as an electrode tab. A maximum current path for the at least one electrode tab undefined section includes a widthwise direction current path along the short side of the current collector and a lengthwise direction current path along the long side of the current collector, and a current path ratio L2/L1 is approximately 11 or less and greater than 0 when lengths of the lengthwise direction current path and the widthwise direction current path are L2 and L1, respectively.
BOPI
Sede Electrónica
