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1452
resultados
Última actualización
04/05/2025 [07:15:00]
Resultados 375 a 400 de 1452
Resumen de: WO2025089507A1
The present disclosure relates to an electrode comprising: a first coating portion which is formed by coating an active material on a first substrate; and a first electrode terminal portion which is formed by cutting a portion of a first uncoated portion of the first substrate, where the active material is not coated, and the end portion of which has a shape that can be exposed to the outside of the battery or can extend to the outside of the battery.
Resumen de: WO2025089150A1
This power storage device comprises a power storage element and a holding unit that is disposed outside the power storage element and holds the power storage element. The power storage element comprises an electrode body in which electrode plates are wound, and a container that houses the electrode body. The electrode body has a flat shape that comprises a pair of flat portions facing each other and a pair of curved portions facing each other. The container comprises flat wall portions facing the flat portions of the electrode body, and curved wall portions facing the curved portions of the electrode body. The inner surfaces of the flat wall portions have a flat shape that follows the flat portions. The inner surfaces of the curved wall portions have a curved shape that follows the curved portions. The inner surfaces of the holding unit comprises flat surfaces having a flat shape that follows the outer surfaces of the flat wall portions of the container, and curved surfaces having a curved shape that follows the outer surfaces of the curved wall portions of the container. The inner surfaces of the flat wall portions of the container press the flat portions of the electrode body, and the inner surfaces of the curved wall portions of the container press the curved portions of the electrode body. The flat surfaces of the holding unit press the outer surfaces of the flat wall portions of the container, and the curved surfaces of the holding unit press the outer surfaces of the cu
Resumen de: WO2025089504A1
The present disclosure relates to an apparatus for manufacturing a secondary battery case, and a technical problem to be solved is to provide an apparatus for manufacturing a secondary battery case capable of simultaneously performing a molding process and an imprinting process for a case. To this end, the present disclosure comprises: a die having a first surface and a second surface opposite to each other; a punch hole formed through the first surface and the second surface; a punch that is disposed to face the first surface and presses a workpiece toward the punch hole in a first direction; a knockout member that is disposed to face the second surface and presses the workpiece in a second direction opposite to the first direction; and a stamp member that is installed on the knockout member, and imprints a pattern on the workpiece as the knockout member comes in contact with the workpiece.
Resumen de: WO2025086796A1
Provided in the embodiments of the present application are a liquid cooling plate assembly, a server and a data center. The liquid cooling plate assembly comprises: a cold plate and a cover body; the cold plate is provided with a cavity used for accommodating a cooling liquid and ports used for connecting to liquid cooling pipes, the ports leading to the cavity; the cold plate further comprises a recess part, the ports being located in the recess part; the cover body covers the recess part and forms with the cold plate an accommodating space for accommodating an overflowing liquid. The present application solves the problem that liquid cooling solutions in the prior art have liquid leakage damage.
Resumen de: WO2025086635A1
Provided are a separator assembly, a battery cell, a battery and an electric device. The separator assembly comprises a first separator, wherein the first separator comprises a first base film and a first coating, the first coating is located on the surface of at least one side of the first base film, the first coating comprises an inorganic material, and the volume average particle size Dv50 of the inorganic material satisfies: Dv50≤0.16 μm. The separator assembly can reduce the risk of short-circuiting a battery cell without deteriorating the rate performance of the battery cell, so that the battery cell has relatively good overall performance.
Resumen de: WO2025087224A1
A battery rack with an air cooling function, and a battery system. The battery rack comprises a frame (1) and an air cooling module (2), wherein the frame (1) comprises a frame body (11) and a plurality of bearing members (12) fixed to the frame body (11), the bearing members (12) being configured to bear battery packs (100); and the air cooling module (2) is mounted on the frame body (11), and the air cooling module (2) comprises a fan (21) and an air duct housing (22), a ventilation channel (220) being formed in the air duct housing (22), the ventilation channel (220) being provided with an air inlet, which is in communication with an outlet of the fan (21), the ventilation channel (220) being provided with a plurality of air outlets (2201), and the battery pack (100) on each bearing member (12) corresponding to at least one air outlet (2201). By means of the battery rack, when the fan (21) operates, outside air can be suctioned into the ventilation channel (220), and is blown to the battery packs (100) on the bearing members (12) through the air outlets (2201), thereby realizing the heat dissipation and cooling of the battery packs (100); and the heat dissipation effect is greater than the heat dissipation effect of natural air cooling, and the heat dissipation cost is lower than the cost of liquid-cooling heat dissipation. By means of using the battery rack in the battery system, cost requirements can be met, and the heat dissipation effect of the battery system is also i
Resumen de: US2025135920A1
A high voltage power management module for supplying power to one or more motors for driving a fuel cell electric vehicle. The high voltage power management module comprises an E-Machine interface subsystem for exchanging DC power with an inverter configured to provide AC power to one or more motors for driving a drivetrain of the vehicle. The high voltage power management module further comprises a storage interface subsystem to exchange DC power with an electrical energy store for providing transient power to drive the fuel cell electric vehicle. The high voltage power management module further comprises a fuel cell interface subsystem for receiving DC power from a fuel cell stack of the vehicle configured to directly drive the one or more motors through the E-Machine interface subsystem of the high voltage power management module.
Resumen de: US2025135517A1
An electrode rolling device acquires thicknesses of an electrode sheet, Tc at a center portion in a width direction, Twe at an end portion on a first side, Tde at an end portion on a second side, Twc at a first intermediate portion, which is set between the center portion and the end portion on the first side, and Tdc at a second intermediate portion, which is set between the center portion and the end portion on the second side. The electrode rolling device determines a deviation ΔTwe between the thickness Tc and Twe, a deviation ΔTwc between the thickness Tc and Twc, a deviation ΔTde between the thickness Tc and Tde, and a deviation ΔTdc between the thickness Tc and Tdc, and performs control so as to reduce the deviation ΔTwe or ΔTwc, whichever is larger, and to reduce the deviation ΔTde or ΔTdc, whichever is larger.
Resumen de: US2025135481A1
A surface treatment jig for performing surface treatment of an exterior body of an accumulator including a bottom, a shell and a port in a state where the surface treatment jig is connected to the exterior body and supports the exterior body includes: a support portion configured to support the accumulator; and a hook portion connected with the support portion. The support portion has a shape tapered near the hook portion.
Resumen de: US2025135106A1
A removable power supply cover assembly for an infusion pump is disclosed. The assembly includes a housing body configured to removably attach to an infusion pump, a conductor assembly attached to the housing body, a power supply contact assembly, and a spring attached to the power supply contact assembly and the conductor assembly. An electrical coupling between a power supply to the conductor assembly is formed through the spring.
Resumen de: US2025137104A1
A hydrogen absorbing alloy suitable for a negative electrode of an alkaline storage battery is used for an alkaline storage battery, and this hydrogen absorbing alloy is an alloy that is composed mainly of crystal phases of an A5B19 phase and an A2B7 phase and is represented by the following General Formula (A):(La1-a-bCeaSmb)1-cMgcNidMeTf (A),where M, T, and suffixes a, b, c, d, e, and f in Formula (A) meet the following conditions: M: at least one element selected from Al, Zn, Sn, and Si; T: at least one element selected from Cr, Mo, and V; 0
Resumen de: US2025136752A1
An optionally oriented copolyester film comprising a copolyester which comprises repeating units derived from an aliphatic diol, an aromatic dicarboxylic acid and a poly(alkylene oxide), wherein the copolyester film further comprises lithium ions, and wherein the film has a thickness of no more than about 25 μm. The copolyester film is suitable for use a seperator in a lithium-ion rechargeable battery
Resumen de: US2025136551A1
Described herein are non-flammable dicationic ionic liquid electrolytes and the synthesis thereof. The electrolytes exhibit extremely high ionic-conductivities >0.01 S·cm−1. Also described are the use of non-flammable dicationic ionic liquid electrolytes in various energy storage devices such as lithium-ion batteries, rechargeable batteries, fuel cells, super capacitors, or solar cells.
Resumen de: US2025140961A1
Typically, electric power sources, such as batteries and fuel cells, require cooling to temperatures near or below ambient temperature for safe and efficient operation. Traditional cooling systems are not be able or practical to cool the components to the required temperatures, due to the lack of temperature differential between the required cooling temperature and the ambient temperature, which drives the heat transfer. Disclosed embodiments optimize the efficiency of a cooling system based on ambient conditions. In particular, embodiments determine input parameters from one or more sensed parameters, such as ambient temperature and ambient pressure, and utilize these input parameters in a process that maximizes the operation of cooling units in the most efficient mode.
Resumen de: US2025140953A1
A battery pack and a current sensor diagnosis method that enable diagnosis of abnormality of a current sensor including a shunt resistor, the battery pack including a battery module including battery cells, a current sensor for measuring a current in the battery module, a first switch connected to a first current path between a cathode of the battery module and a first pack terminal, a second switch connected to a second current path between an anode of the battery module and a second pack terminal, a first temperature sensor for measuring a shunt temperature of the current sensor, a second temperature sensor for measuring a first switch temperature, a third temperature sensor for measuring a second switch temperature, and a processor for diagnosing the current sensor based on at least one of the shunt temperature, the first switch temperature, or the second switch temperature.
Resumen de: US2025140951A1
According to one embodiment, a method, computer system, and computer program product for selective battery disabling is provided. The embodiment may include calculating a dendrite formation value of a cell within a battery pack based on captured sensor data. The embodiment may also include, in response to determining the dendrite formation value exceeds a safety threshold, disabling the cell.
Resumen de: US2025140948A1
A battery pack includes (i) at least one connection interface for connection to an electrical consumer, in particular an electric hand tool, and/or to a charging device, and (ii) a signal output unit configured so as to output at least one analog signal and at least one digital signal via at least one shared signal contact of the connection interface. The signal output unit includes at least one electric circuit configured so as to switch between a digital operating mode of the signal output unit and an analog operating mode of the signal output unit.
Resumen de: US2025140855A1
An energy storage cell, comprising: a layer comprising a plurality of fibers, the plurality of fibers having a MXene material disposed thereon; an electrolyte disposed on the layer; a first conductor in electronic communication with the electrolyte; and a second conductor in electronic communication with the electrolyte. Energy storage devices, the energy storage device comprising at least one energy storage cell according to the present disclosure. A method, comprising the use of an energy storage device according to the present disclosure.
Resumen de: WO2025089523A1
An all-solid-state battery includes: a laminate including a first surface and a second surface facing each other in a first direction, a positive electrode layer, a negative electrode layer, and a solid electrolyte layer disposed between the positive electrode layer and the negative electrode layer and including a solid electrolyte; a first thin-film electrode that is directly connected to the positive electrode layer and the solid electrolyte layer on the first surface of the laminate; a second thin-film electrode that is directly connected to the negative electrode layer and the solid electrolyte layer on the second surface of the laminate; a first external electrode that is connected to the first thin-film electrode and covers at least a portion of the laminate; and a second external electrode that is connected to the second thin-film electrode and covers at least a portion of the laminate.
Resumen de: WO2025089518A1
The present invention relates to an additive for a lithium rechargeable battery and a lithium rechargeable battery including same. The additive is represented by chemical formula 1. (The definition of each substituent is in accordance with the specification.)
Resumen de: WO2025087112A1
An electrode sheet, a battery cell and an electric device. The electrode sheet comprises a current collector, a first transition layer, a second transition layer, two active material layers, a first conductive member, a second conductive member and two protection members, wherein the current collector comprises a support layer, and a first conductive layer and a second conductive layer, which are arranged on two sides of the support layer in a first direction; the first transition layer is arranged on the surface of the first conductive layer that faces away from the support layer; the second transition layer is arranged on the surface of the second conductive layer that faces away from the support layer; one of the two active material layers is arranged on the first transition layer, and the other one is arranged on the second transition layer; the first conductive member is arranged on the first conductive layer; the second conductive member is arranged on the second conductive layer; the first conductive member and the second conductive member form, by means of welding, a plurality of weld marks arranged in a second direction, and at least one weld mark is connected to the current collector; and the two protection members are respectively located at two sides of the current collector in the first direction. The electrode sheet can improve the reliability.
Resumen de: WO2025086987A1
A collecting pipe fitting (10), a thermal management assembly (100), a battery (1000), and an electric device. The collecting pipe fitting (10) comprises: a pipe body (11); first flow channel connectors (12) and second flow channel connectors (13), wherein there are multiple second flow channel connectors (13), and in the extension direction of the pipe body (11), at least two second flow channel connectors (13) are respectively located on two sides of the first flow channel connectors (12); and a separation structure (14), wherein the separation structure (14) is arranged inside the pipe body (11), the separation structure (14) separates the first flow channel connectors (12) and the second flow channel connectors (13) inside the pipe body (11), and the multiple second flow channel connectors (13) are communicated inside the pipe body (11).
Resumen de: WO2025086549A1
Provided in the present application are a lithium-rich manganese-based precursor material, and a preparation method therefor and the use thereof. The preparation method comprises the following steps: in a protective gas atmosphere, mixing a nickel-cobalt-manganese mixed salt solution, a precipitator solution and a complexing agent solution, subjecting same to a co-precipitation reaction until particles enter a growth stage, starting the introduction of an oxygen-containing gas, and then continuously subjecting same to the co-precipitation reaction, so as to obtain a lithium-rich manganese-based precursor material. In the preparation method of the present application, by introducing the oxidizing atmosphere in the growth stage of the precursor material, the problems of compact particle growth, being prone to agglomerating and poor morphology in the existing preparation process for a lithium-rich manganese precursor material are solved, and a lithium-rich manganese-based precursor material having high dispersity and a high specific surface area is obtained.
Resumen de: WO2025086548A1
Disclosed in the present invention are a mixed ion conductor material, and a preparation method therefor and the use thereof. The chemical general formula of the mixed ion conductor material is L1+x+yMxN2-xRx(ZO4)3, wherein 0≤x≤3, 6.5＜y≤36, and 6.5＜y/(1+x)≤9. The mixed ion conductor material is obtained by adding an alkali metal substance to react with the raw materials during preparation process, wherein the alkali metal substance comprises one or more of compounds containing ions Li+, Na+, K+, Rb+ or Cs+. When the mixed ion conductor material is applied to a secondary battery, the intersection point of a first cycle is 0.4-0.6 V, the intersection point of a second cycle is 0.6-0.8 V, the side reaction specific capacity is 50-200 mAh/g, the side reaction specific capacity of an electrochemical reaction platform is significantly reduced, and the energy density of a battery is improved.
Nº publicación: WO2025086512A1 01/05/2025
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
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Resumen de: WO2025086512A1
Disclosed in the present application are a heat exchange device, a case, a battery and an electric device. The heat exchange device comprises a heat exchange main body, wherein the heat exchange main body is provided with a flow channel; and the flow channel has a lengthwise direction and a width direction, which intersect each other, and the flow channel comprises a first section and a second section, which are arranged in the lengthwise direction, at least one side of the first section in the width direction going beyond the second section to form a recessed region. The direction of a fluid after same flows into the recessed region in the lengthwise direction of the flow channel changes relative to the direction of the fluid before same enters the recessed region. Since the first section goes beyond the second section in the width direction, the fluid is subjected to an outward bias force in the width direction; and under the action of the bias force, impurities such as brazing flux are brought into and accumulated in the recessed region, and no longer flow into other regions of the heat exchange device along with the fluid, thereby preventing the brazing flux from adversely affecting the operation of the other regions of the heat exchange device.
BOPI
Sede Electrónica
