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1812
resultados
Última actualización
21/06/2025 [07:12:00]
Resultados 1000 a 1025 de 1812
Resumen de: US2025187240A1
To provide an injection molding die that can improve the productivity of the process of covering the side surface of the battery with resin.A mold, comprising: a space capable of arranging a first end portion of a battery; and a fixing member capable of fixing the battery in a condition where the first end portion of the battery is arranged in a space; wherein the space is formed so that the second end portion of the battery jumps out of the space when the first end portion of the battery is arranged in the space; the fixing member has a fixed portion and a movable portion, the fixed portion is configured to support a first end surface of the battery; the movable portion is movable in a thickness direction; the second end surface of the battery can be pressed, and the fixing member can fix the battery by sandwiching the first end surface and the second end surface of the battery with the fixed portion and the movable portion; and the pressure applied to the battery from the movable portion is set to be equal to or less than a predetermined threshold value.
Resumen de: US2025186943A1
Apparatus and associated methods relate to a passive automatic injector reactor system (PAIRS). In an illustrative example, an energy storage enclosure may contain energy storage modules (e.g., batteries) releasing target gas(es) (e.g., toxic, flammable). The PAIRS may, for example, include an injector in fluid communication with the enclosure. The injector may, for example, passively direct target gases released from the enclosure to a mixing area where supplemental gas(es) are entrained with the target gases to create a target gas air mixture that is directed to a reactor. The reactor may, for example, utilize one more chemical, physical, and/or physiochemical processes to convert the target air gas mixture into a processed gas before release. Various embodiments may advantageously prevent fire, explosion, and/or the release of toxic gas from batteries.
Resumen de: US2025189592A1
An apparatus for calculating battery energy includes a memory storing relationship information between a stepwise state of charge (SOC) of a battery device and a plurality of battery characteristic information corresponding to each stepwise SOC, and a processor operatively coupled to the memory. The processor calculates target SOCs, each defined for preset nodes, target battery characteristic information, each defined for the nodes, based on the relationship information stored in the memory and the calculated target SOCs, target powers, each defined for the nodes, from the calculated target battery characteristic information, and energy of the battery device using a weighted sum method with respect to the target powers calculated. A corresponding method and computer-readable storage medium are also provided.
Resumen de: US2025189587A1
The present application provides a communication module and a wireless test system and test method for a battery. The communication module includes a wireless communication interface and a wired communication interface. The communication module is in wireless and is connected to a battery under test through the wired communication interface. The communication module is configured to receive instruction data sent by the test terminal, and send a test instruction corresponding to the instruction data to the battery under test; and receive a corresponding battery parameter generated according to the test instruction and sent by the battery under test, and send, to the test terminal, test data corresponding to the battery parameter returned by the battery under test.
Resumen de: US2025186900A1
A flow scanning device and system detects clogging of a transfer line due to materials. The flow scanning system includes a first transfer line configured to transfer materials used to manufacture dry electrodes from a first zone to a second zone, and a first scanning device installed in the first transfer line and configured to detect clogging of the first transfer line by the materials based on first data obtained through a laser beam radiated to the first transfer line.
Resumen de: US2025192385A1
A storage cell includes a wound electrode body and a cell case that accommodates the wound electrode body. The wound electrode body includes an electrode plate and a tab lead. The electrode plate includes a current collector foil and an electrode material layer. The electrode material layer covers a part of the current collector foil. The tab lead includes a curved portion and an extending portion. The curved portion is provided on an uncoated portion of the current collector foil that is not coated with the electrode material layer, and extends to be curved along a winding direction of the wound electrode body. The extending portion extends from the curved portion and protrudes to one side of the current collector foil in an axial direction of the wound electrode body. The curved portion includes a groove portion extending along the axial direction.
Resumen de: US2025192383A1
A battery module which uses a flexible printed circuit board (FPCB) to provide a transmission path of information on the voltage or temperature thereof sensed by a bus bar. The battery module may have a smaller size in a height direction compared to a case of using a rigid printed circuit baord (RPCB) or a wire instead of the FPCB to provide the transmission path of the information on the voltage or temperature, and may thus have improved energy efficiency per volume.
Resumen de: US2025192381A1
A battery pack electrical connection system includes a first electrical contact associated with a first cell stack, and a second electrical contact associated a second cell stack. The first electrical contact is connected to the second electrical contact. The first electrical contact is tilted further away from the second electrical contact prior to being connected to the second electrical contact than after being connected to the second electrical contact.
Resumen de: US2025192352A1
A battery pack venting system, including: a structural member having a first channel and a second channel, the first channel configured to communicate a flow of vent byproducts received through at least one first inlet in a first direction to a first outlet from the structural member, the second channel configured to communicate a flow of vent byproducts received through at least one second inlet in a second direction to second outlet from the structural member.
Resumen de: US2025192224A1
A solid crystalline material of formula (I): LiaMY4XZ: wherein: a is from 5 to 8: M is selected from Si, Al, Sb, Sn, B, Ga and Ge, a mixture thereof, or a mixture thereof comprising P1-xM′ wherein M′ is selected from Si, Al, Sb, Sn, B, Ga and Ge or a mixture thereof and wherein 0
Resumen de: US2025192394A1
A battery, a battery module, a battery pack, a battery monitoring system and a vehicle are provided. The battery includes a housing; a cell disposed in the housing; and a sensing structure disposed in the housing, and the sensing structure is configured to collect status data within the battery and transmit the status data to the outside of the battery.
Resumen de: WO2025118445A1
The present application provides a core-shell structure ternary precursor material, a preparation method therefor, and a use thereof. The core-shell structure ternary precursor material comprises a core and an outer shell, and further comprises a blocking layer between the core and the outer shell; the core comprises a first nickel-cobalt-manganese hydroxide, the outer shell comprises a second nickel-cobalt-manganese hydroxide, and the nickel content in the second nickel-cobalt-manganese hydroxide is less than the nickel content in the first nickel-cobalt-manganese hydroxide. The blocking layer in the core-shell structure ternary precursor material acts as a bridge between the core and the shell, and can hinder the separation of the core and the shell during a subsequent positive electrode material sintering process, thereby solving the phenomenon of stratification during the sintering process caused by a large difference in components in the core-shell material, improving the cycle stability and rate performance of a battery.
Resumen de: WO2025118508A1
A battery cell (20), a battery (100), an electric device and an energy storage cabinet, relating to the technical field of batteries. The battery cell (20) comprises a casing (21), a first electrode terminal (22), a first current collecting member (23) and a plurality of electrode assemblies (24). The casing (21) is provided with a wall portion (211). The first electrode terminal (22) is mounted to the wall portion (211). The plurality of electrode assemblies (24) are accommodated in the casing (21), and the plurality of electrode assemblies (24) are stacked in a first direction; each electrode assembly (24) comprises a main body part (241) and a first tab (242), wherein in a second direction, the first tab (242) is arranged at one end of the main body part (241); the first tabs (242) of the plurality of electrode assemblies (24) are located at the same ends of the main body parts (241); and the second direction intersects with the first direction. The first current collecting member (23) is electrically connected to the first electrode terminal (22) and each first tab (242). Therefore, a plurality of first current collecting members (23) do not need to be provided in the casing (21) to be connected to the first tabs (242) of the plurality of electrode assemblies (24), and the thickness or size of a single electrode assembly (24) does not need to be increased, thereby effectively reducing the manufacturing difficulty of the electrode assemblies (24), and thus reducing the man
Resumen de: WO2025118302A1
The present application discloses a battery cell, a battery, and an electric device. The battery cell comprises a casing and a one-way valve; the casing is provided with a wall portion; the one-way valve comprises a valve body and a valve core; the valve body is arranged on the outer surface of the wall portion, and at least part of the valve body protrudes out of the outer surface of the wall portion; a valve cavity is formed inside the valve body, and the valve core is arranged in the valve cavity; and the valve core is used for plugging a gas inlet of the valve cavity, and the valve core is configured to open the gas inlet under the action of gas inside the casing and release the gas inside the battery cell. By means of such an arrangement, the gas inside the casing can be discharged out of the casing in a timely manner, so that the gas pressure inside the casing is not excessively high, thereby reducing the risk that a pressure relief mechanism opens the valve in advance, and greatly prolonging the service life of the battery cell.
Resumen de: WO2025121922A1
A negative electrode according to an aspect of the present invention comprises: a negative electrode active material layer; a first protective layer; and a second protective layer, wherein the negative electrode active material layer includes at least one of lithium or a lithium alloy, the first protective layer includes a polyalkylene oxide, the second protective layer includes a polyvinylidene fluoride-based polymer, and the second protective layer has a porosity of 10% or less. In the negative electrode, the growth of lithium dendrites is suppressed and porosification is prevented. In addition, the negative electrode can have high ion conductivity even when including the protective layers, and can ensure stability and excellent mechanical strength.
Resumen de: WO2025121826A1
According to exemplary embodiments of the present invention, a battery pack is provided. The battery pack includes: a first battery cell assembly including a first positive electrode terminal and a first negative electrode terminal; a second battery cell assembly spaced apart from the first battery cell assembly in a first direction, and including a second positive electrode terminal and a second negative electrode terminal; and a first inter-bus bar connecting the first negative electrode terminal with the second positive electrode terminal, wherein the first inter-bus bar has a Z-shape.
Resumen de: WO2025121786A1
The present invention relates to a positive electrode comprising a positive electrode active material, wherein a resistance component ratio, as defined by equation 1 below, is 2 or more. Equation 1 Rct / Rs. In the equation, Rct means a charge transfer resistance of the positive electrode, which is measured in a first frequency range for a secondary battery comprising the positive electrode, Rs means a surface or interface resistance of the positive electrode, which is measured in a second frequency range for the secondary battery comprising the positive electrode, the first frequency range is from 1 Hz to 1 kHz, and the second frequency range is from more than 1 kHz to 1,000 kHz.
Resumen de: WO2025121751A1
A battery cell, according to one embodiment of the present invention, may comprise: an electrode assembly which includes a first electrode, a second electrode, and a separator interposed therebetween; a battery housing which accommodates the electrode assembly via an open portion formed on one side thereof; a top cap assembly which covers the open portion, is electrically connected to the first electrode, and is electrically insulated from the battery housing; a sealing gasket which is interposed between the battery housing and the top cap assembly, and is configured to provide electrical insulation between the battery housing and the top cap assembly; and an expandable structure which is provided on at least a partial region of the sealing gasket, includes an expansion-scheduled state and an expanded state, and is configured to fill a gap between the sealing gasket and the top cap assembly in the expanded state.
Resumen de: WO2025121631A1
An aspect of the present invention provides a method for recovering valuable metals from waste resources. The method may comprise the steps of: preparing a molten metal containing iron (Fe); adding waste resources containing valuable metals and an additive for capturing valuable metals to the molten metal to capture the valuable metals, thereby obtaining a nickel matte; and recovering the valuable metals from the nickel matte, wherein the additive may include a sulfate.
Resumen de: US2025189591A1
A battery diagnosis apparatus includes a measuring unit to measure a battery voltage, which is a voltage between both terminals of a battery and a battery current which is a current flowing through the battery, a storage unit to store a plurality of actual-measurement internal resistance values, each of which has been calculated based on at least one of the battery voltage and the battery current at each diagnosis time when diagnosing defects of the battery, and at least one test internal resistance value determined according to a predetermined criterion, and a control unit to extract a plurality of previous diagnosis times, corresponding to a predetermined number of samples, from each diagnosis time, at the diagnosis time, calculate a moving average, and diagnose defects of the battery by comparing an actual-measurement internal resistance value calculated at each diagnosis time with reference values calculated based on the moving average.
Resumen de: US2025189590A1
A method for determining a thermal runaway of an electric energy storage unit of an operated motor vehicle includes continuous monitoring of the electric energy storage unit by at least one diagnostic method of an electric energy storage unit based on a diagnostic signal, determining a frequency of the anomaly when the anomaly is detected in the diagnostic signal, determining dynamics of the anomaly when the anomaly is detected in the diagnostic signal, continuous monitoring of a communication line by a limited anomaly counter, comparing the limited anomaly counter with an unlimited anomaly counter when the anomaly is detected inside the communication line and generating a differential signal on the basis thereof, and determining the thermal runaway on the basis of the determined frequency and the determined dynamics and the differential signal.
Resumen de: US2025189595A1
A battery inspection and management method includes inspecting a target battery at a first time point to generate health inspection data, uploading the health inspection data to a cloud database, determining a classification status of the target battery based on the health inspection data with a preset health range and generating a label for attachment on the target battery, and inspecting the target battery at a second time point later than the first time point to update the health inspection data of the target battery in the cloud database. A battery inspection and management system includes an inspection device, a computing device, and a label printer, wherein the computing device is connected to the inspection device and the label printer.
Resumen de: US2025189486A1
The present invention relates to an eddy current sensor for detecting a crack in a battery cell. and a system for detecting a crack of a battery cell including the eddy current sensor. According to the present invention, it is possible to easily detect a crack generated in an electrode, an electrode tab or a welded portion.
Resumen de: US2025192238A1
An electrochemical apparatus, including an electrode assembly. The electrode assembly includes a negative electrode plate and a positive electrode plate. The negative electrode plate includes a first negative electrode active material layer, a negative electrode current collector, a second negative electrode active material layer, and a first layer. The positive electrode plate includes a first positive electrode active material layer, a positive electrode current collector, and a second positive electrode active material layer. The negative electrode plate includes a first negative electrode winding layer and a second negative electrode winding layer. A negative electrode single-coated region of the negative electrode current collector is located on at least the first negative electrode winding layer and the second negative electrode winding layer. A positive electrode double-coated region of the positive electrode current collector is located on a side of the second negative electrode winding layer away from a winding central axis.
Nº publicación: US2025192248A1 12/06/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD
Resumen de: US2025192248A1
A battery container including at least one module stack, a container housing accommodating the at least one module stack in an internal space, a power line configured to transmit charge power and discharge power, a main pipe configured to supply a fire extinguishing agent to the at least one module stack, and a first connector at a first end of the main pipe, the first connector being located in a first side of the container housing and accessible from an exterior of the container housing.
BOPI
Sede Electrónica
