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1626
resultados
Última actualización
10/03/2026 [07:11:00]
Resultados 325 a 350 de 1626
Resumen de: US20260066433A1
Array housing designs are disclosed for battery arrays of a traction battery pack. An exemplary battery array may include an array housing having a ribbed structure that includes at least one rib (e.g., external and/or internal) configured for increasing the structural stiffness of the battery array. A groove may extend at least partially through the rib, and an adhesive/sealant may be disposed within the groove for securing a surrounding structure relative to the array housing and thereby structurally integrating the battery array. In some implementations, the groove may receive a fin of a thermal barrier assembly of a battery cell stack of the battery array.
Resumen de: US20260066444A1
A battery module includes a housing which accommodates a plurality of battery cells therein, and has a vent-hole portion formed therein; a top cover which is movably installed on the housing so as to open/close the vent-hole portion; an elastic member which is installed to apply an elastic force to the top cover in a direction in which the top cover opens the vent-hole portion; and a stopper configured to support the top cover so that the top cover maintains a closed state of the vent-hole portion. The stopper can lose or reduce support to the top cover due to changes in temperature or pressure.
Resumen de: US20260066424A1
A traction battery pack assembly includes a cell stack within an interior of an enclosure. The cell stack has a plurality of battery cells disposed along a cell stack axis and at least one thermal barrier disposed along the cell stack axis. The at least one thermal barrier has a plurality of more compressible pieces secured to a plurality of less compressible pieces to establish at least one channel that is configured to communicate a liquid coolant though the cell stack.
Resumen de: US20260066440A1
A battery pack according to the present disclosure includes: at least one battery assembly including a plurality of battery cells and having a vent hole on a first direction side; a pack case in which an accommodation space configured to accommodate the battery assembly is formed; and a cooling and venting member disposed on the first direction side of the battery assembly. The cooling and venting member includes a venting unit configured to allow vent gas discharged from the vent hole to flow therethrough, and a cooling unit configured to cool the battery assembly.
Resumen de: US20260066464A1
A battery substrate for separating a positive electrode and a negative electrode from each other in a rechargeable battery includes a porous substrate having a first surface and a second surface opposing each other and a first coating layer and a second coating layer respectively disposed on the first and second surfaces of the porous substrate. Each of the first and second coating layers contains heat-resistant organic particles, an organic heat-resistant binder, and an organic adhesive binder. The heat-resistant organic particles have a core/shell structure.
Resumen de: US20260066454A1
The present disclosure relates to a battery box having a structure that provides fire safety and enables multi-layer stacking. The battery box according to the present disclosure includes a first enclosure configured to accommodate a plurality of battery modules therein, a deflagration panel configured to rupture to allow flammable to be discharged from the first enclosure, when the flammable gas is generated in the first enclosure and pressure inside the first enclosure increases to a value greater than or equal to a threshold pressure, a first duct which has a lower end connected to the deflagration panel and an upper end connected to an exhaust port spaced a distance apart from the battery box and which guides the flammable gas discharged from the deflagration panel to the exhaust port, and a stacking support positioned on the first enclosure and configured to support a second enclosure stacked on the first enclosure.
Resumen de: US20260066407A1
According to embodiments of the present disclosure, a battery pack includes a case configured to have an accommodation space therein, at least one battery module configured to be disposed in the accommodation space and include a plurality of battery cells, a fire extinguishing pipe configured to be disposed in the accommodation space and have a fire extinguishing agent, and at least one heat insulating material configured to be disposed between the battery module and the fire extinguishing pipe and have a plurality of holes formed at a position corresponding to that of the fire extinguishing pipe, wherein the heat insulating material covers a side surface of the battery module, and wherein the fire extinguishing pipe melts at a temperature equal to or greater than a threshold value, and a fire extinguishing agent in the fire extinguishing pipe is discharged into the accommodation space.
Resumen de: US20260066499A1
A secondary battery includes an electrode assembly include a side that extends in a first direction, a case accommodating the electrode assembly, a lead tab protruding from the side of the electrode assembly, and a strip terminal connected to the lead tab. The lead tab is bent in the first direction. The strip terminal includes a first section connected to the lead tab and extending in the first direction, and a second section connected to the first section and bent in a second direction that intersects the first direction. An angle between the first section and the second section is 90 degrees or less.
Resumen de: US20260066484A1
An electrode assembly, including a first electrode, a second electrode facing the first electrode, a first tab member extending from the first electrode, and a second tab member extending from the second electrode, wherein the first electrode and the second electrode have shorter lengths parallel to a second direction intersecting a first direction than lengths parallel to the first direction.
Resumen de: US20260066341A1
The present invention relates to a sulfide-based solid electrolyte having excellent moisture stability and ionic conductivity, a method of preparing the same, and an all-solid-state battery including the sulfide-based solid electrolyte, wherein the present invention provides a solid electrolyte which includes a core portion including sulfide-based solid electrolyte particles; and a surface portion which is formed on the core portion and includes fluorine-doped sulfide-based solid electrolyte particles, wherein the surface portion includes a concentration gradient region in which a concentration of a fluorine (F) atom is decreased from a surface of the surface portion toward the core portion, a method of preparing the same, and an all-solid-state battery including the solid electrolyte.
Resumen de: US20260066504A1
Provided is a cylindrical battery including: a shaft core; a set of wound electrodes including an electrode stack wound on the shaft core; an exterior member surrounding the set of wound electrodes; a cap disposed at one axial end of the shaft core and electrically connected to one of the positive and negative electrodes; and an insulating member disposed between the exterior member and the cap, the cap having an outer diameter that is larger than the inner diameter of the exterior member and smaller than the outer diameter of the exterior member, the insulating member having an outer diameter larger than the outer diameter of the cap, the insulating member having a protrusion that is located more inside in the radial direction of the set of wound electrodes than the inner surface of the exterior member and protrudes toward the set of wound electrodes.
Resumen de: US20260066426A1
A power storage device includes a first power storage stack including a plurality of power storage cells disposed in a first direction, a second power storage stack including a plurality of power storage cells and facing the first power storage stack in a second direction, an upper wall covering the first power storage stack and the second power storage stack, and a reinforcing member provided on the upper wall. The upper wall includes a top portion located above and between the first power storage stack and the second power storage stack. The reinforcing member is provided on the top portion.
Resumen de: US20260066319A1
A fuel cell system includes a fuel cell, and a battery that stores power output from the fuel cell, and has a first operation mode in which power output from the fuel cell is extracted to the outside, and a second operation mode including a discharge mode in which power output from the battery is extracted to the outside. A control method for a fuel cell system includes switching between the first operation mode and the second operation mode based on target power of the fuel cell.
Resumen de: US20260066297A1
A negative electrode raw material may be suitable for a nonaqueous secondary battery, the negative electrode material including a graphite. The negative electrode material is configured such that, when a mercury intrusion volume and a mercury extrusion volume, determined by mercury intrusion, are defined as A and B, respectively, the value of formula (1) is 45% or higher:B/A=100(%).(1)
Resumen de: US20260066339A1
A solid electrolyte material configured to suppress a decrease in ion conductivity, the solid electrolyte material comprising a polymer electrolyte, an inorganic filler and succinonitrile, the polymer electrolyte comprises an anionic polymer.
Resumen de: US20260066429A1
A battery pack including: a battery unit; a casing housing the battery unit and having a columnar shape; an external connection terminal exposed at an outer surface of the casing; and a support structure fixed to the casing. The support structure includes projects outward in a longitudinal direction of the casing from at least one end surface of the casing in the longitudinal direction, and includes a ring portion located at least one end of the battery pack in a longitudinal direction of the battery pack and oriented perpendicularly to the longitudinal direction of the casing.
Resumen de: WO2026048546A1
A positive electrode (11) has a positive electrode core body (30), and a positive electrode mixture layer (31) and a protective layer (33) that are formed on the positive electrode core body (30). A mixture layer non-formation portion (32) at which the positive electrode mixture layer (31) is not formed is provided to a winding start end part (11B) of the positive electrode (11). The protective layer (33) contains an insulating material as the main component, and has a first region (34) that covers the mixture layer non-formation portion (32), and a second region (35) that is disposed between the positive electrode core body (30) and the positive electrode mixture layer (31). The volume resistivity of the protective layer (33) in the second region (35) is less than the volume resistivity of the protective layer (33) in the first region (34).
Resumen de: WO2026048684A1
Provided are: an inorganic solid electrolyte-containing composition; a sheet for all-solid-state secondary batteries; an all-solid-state secondary battery; a method for producing the sheet; and a method for producing the all-solid-state secondary battery. The inorganic solid electrolyte-containing composition contains an inorganic solid electrolyte, a polymer binder, and a dispersion medium, wherein the polymer binder contains a polymer having: a structural unit (A) derived from a disubstituted vinyl monomer having a homopolymer Tg of lower than 50°C; and at least one structural unit (B) selected from structural units derived from (meth)acrylamide having a homopolymer Tg of 50°C or higher, the total content of the structural unit (A) and the structural unit (B) being 80 mass% or more, and the polymer binder being soluble in the dispersion medium.
Resumen de: WO2026045561A1
The embodiments of the present application relate to the technical field of charging. Provided are a charging control method, an electronic device, a storage medium, and a program product, which can improve the available capacity of a battery while improving the safety and service life of the battery. The charging control method comprises: when a battery is charged in a constant-voltage mode with a first voltage value as a charging voltage value, if the voltage value of the battery is less than or equal to a first voltage threshold value and a charging current value is less than or equal to a first current threshold value, increasing the charging voltage value to a second voltage value, wherein the second voltage value is greater than the first voltage value, and the first voltage threshold value is less than the first voltage value; when the battery is charged in the constant-voltage mode with the first voltage value as the charging voltage value, if a first condition is met, stopping the charging of the battery; and when the battery is charged in the constant-voltage mode with the second voltage value as the charging voltage value, if a second condition is met, stopping the charging of the battery.
Resumen de: WO2026045662A1
Disclosed in the present application are a secondary battery and an electronic device. The secondary battery comprises a packaging bag, an electrode assembly, an electrical connector, a first insulation member and a second insulation member. The electrode assembly is located in the packaging bag, the electrode assembly comprises a main body and a tab assembly, the tab assembly comprises a plurality of tabs, and the electrical connector is located outside the packaging bag and is electrically connected to the tab assembly. The tab assembly comprises a first portion and a second portion, the first portion extending from the main body and being connected to the second portion, and the second portion being bent towards the main body, forming a weld mark with the electrical connector, and comprising a first surface and a second surface. The first insulation member covers the weld mark, the second insulation member is located on one side of the tab assembly in the direction of thickness, and the second insulation member extends from the first surface of the second portion through the first portion to the main body. The thickness of the first insulation member is T1, and the thickness of the second insulation member is T2, wherein T1＞T2, 25μm≤T1≤60μm, and T2≥4μm, satisfying requirements of both safety performance and drop resistance of the secondary battery.
Resumen de: WO2026045584A1
A battery cell and a battery system. The battery cell comprises a first tab, a first electrode sheet and a first switching member, wherein the first electrode sheet can lead out an electrode by means of the first tab; within a first temperature range, the first switching member has a first form, and the first tab is conductively connected to the first electrode sheet; and within a second temperature range, the first switching member has a second form, and the first tab is non-conductively connected to the first electrode sheet.
Resumen de: US20260063730A1
A method for monitoring a status of an energy storage system connected to a power converter is disclosed. The energy storage system comprises a plurality of interconnected energy storage cells, and the power converter is configured to output power from the energy storage system to a power transmission system and to charge the energy storage system with power from the power transmission system. The method comprises generating, by the power converter, an electrical signal injected into the energy storage system, measuring a response signal generated in response to the injected electrical signal, and determining a status of the energy storage system based on the received response signal.
Resumen de: US20260063728A1
A method can include receiving battery sensor measurements, determining a state of the battery (e.g., SoH, SoC, SoE, SoP, etc. or information correlated therewith such as internal resistance, open circuit voltage, etc.), estimating an aging profile or degradation of the battery for one or more operating conditions, and determining operating conditions for the battery based on the estimated degradation.
Resumen de: US20260063731A1
A sensing assembly includes a plurality of busbars and a plurality of sensing frames arranged along a first direction to support the plurality of busbars. The sensing frames includes a middle sensing frame and an outer sensing frame disposed on a first side of the middle sensing frame along the first direction. The middle sensing frame includes: a first peripheral surface facing toward one side in the first direction; a second peripheral surface disposed on an opposite side to the first peripheral surface and facing toward an opposite side in the first direction; a support surface connected with the second peripheral surface and facing toward one side in a second direction crossing the first direction; a guide protrusion protruding from the first peripheral surface toward the one side in the first direction; and a guide groove disposed where the support surface and the second peripheral surface are connected.
Nº publicación: US20260063727A1 05/03/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD
Resumen de: US20260063727A1
Systems and methods for estimating battery degradation of a battery energy storage system (BESS) are disclosed. An iterative process is executed over a pre-defined time period divided into iterations. For each iteration, an average temperature of the BESS is determined by inputting a state of health (SOH) and charge rate into an average temperature look-up-table (LUT). The SOH for the next iteration is determined by inputting the determined average temperature into a set of cell degradation equations. The charge rate for the next iteration is derived from a usage profile which defines the charging and discharging cycles over the pre-defined time period and includes power and SOC over the pre-defined time period. The SOH of the BESS over the pre-defined time period may then be displayed on a user interface.
BOPI
Sede Electrónica
