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1903
resultados
Última actualización
06/10/2025 [07:12:00]
Resultados 150 a 175 de 1903
Resumen de: US2025309231A1
A method for recovering performance of a lithium-ion secondary battery by doping lithium ions into a positive electrode that is in the lithium-ion secondary battery having a decreased capacity, in which the doping of the lithium ions is performed in an electrolytic solution by discharge using a lithium electrode as a counter electrode, and the discharge is performed up to a predetermined potential VE (V).
Resumen de: US2025309221A1
The present invention provides a coating method, a slurry composition, and a coater that are able to facilitate application at high coating speed. The coating method includes applying the slurry composition to a substrate by discharging the slurry composition from an outlet of a discharger with the discharger and the substrate moving relative to each other. The concentration of solid contents relative to the total amount of the slurry composition is in a range of 70 mass % to 90 mass %. A capillary number obtained by dividing a product of a viscosity and coating speed of the slurry composition by a surface tension of the slurry composition is in a range of one to five. A value obtained by dividing a coating thickness of the slurry composition by a bead gap which is a distance between the outlet and the substrate is greater than 2⁄3 and less than one.
Resumen de: US2025309226A1
A manufacturing method for a solid-state battery includes: a negative electrode-side sheet member forming step; a positive electrode-side sheet member forming step; and an integrating pressing step, in which the negative electrode-side sheet member forming step includes: a negative electrode-side solid electrolyte layer transferring step of at least pressing and transferring the negative electrode-side solid electrolyte layer to the negative electrode current collector, and a negative electrode-side sheet member cutting step, and the positive electrode-side sheet member forming step includes a positive electrode pressing step of at least pressing a positive electrode current collector and a positive electrode active material layer, in which a first solid electrolyte layer is provided to a surface of the positive electrode-side sheet member opposing the negative electrode-side solid electrolyte layer prior to the integrating step, and the negative electrode-side solid electrolyte layer has a smaller content of binder than the first solid electrolyte layer.
Resumen de: US2025308837A1
Apparatus include a sample carrier including a base member and a sample support assembly coupled to the base member, wherein the sample support assembly includes a holder having opposing first and second holder portions configured to compress a sample within a holder receiving portion, wherein the base member is configured to engage a sample stage within a microscope chamber. Methods include securing a sample carrier in a microscope chamber and charging/discharging the sample at least in part through an electrical coupling in the chamber.
Resumen de: US2025309373A1
Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms, and methods of producing and operating the same. In some aspects, an electrochemical cell can include an anode and a cathode material disposed on a cathode current collector, the cathode material and the cathode current collector forming a cathode. The electrochemical cell further includes a first separator disposed on the anode, a second separator disposed on the cathode, and an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material, the interlayer including a source of lithium ions, the lithium ions configured to migrate toward the anode upon a voltage difference between the interlayer and the anode exceeding a threshold value. In some embodiments, the anode can include an anode material disposed on an anode current collector. In some embodiments, the anode material can include graphite, silicon, and/or hard carbon.
Resumen de: US2025309300A1
A hydrogen storage assembly includes an enclosure substantially encompassing an electrolyzer, a hydrogen storage system, a hydrogen fuel cell, an electrochemical energy storage module, a power conversion system, and a control system. The electrolyzer is configured to separate, via electrolysis, water into hydrogen gas that is stored in the hydrogen storage system; the hydrogen fuel cell is configured to convert the stored hydrogen gas into electrical energy and water. The electrochemical energy storage module is configured to function as an energy buffer; the power conversion system is configured to convert the produced electrical energy to a desired form. The control system is configured to control the storage and distribution of the stored hydrogen and electrical energy in an optimized manner to achieve predefined financial and energy-use objectives.
Resumen de: US2025309372A1
Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms, and methods of producing and operating the same. In some aspects, an electrochemical cell can include an anode and a cathode material disposed on a cathode current collector, the cathode material and the cathode current collector forming a cathode. The electrochemical cell further includes a first separator disposed on the anode, a second separator disposed on the cathode, and an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material, the interlayer including a source of lithium ions, the lithium ions configured to migrate toward the anode upon a voltage difference between the interlayer and the anode exceeding a threshold value. In some embodiments, the anode can include an anode material disposed on an anode current collector. In some embodiments, the anode material can include graphite, silicon, and/or hard carbon.
Resumen de: US2025309371A1
A problem to be solved by the present invention is to suppress concentration of current at a boundary between a positive electrode active material layer and an insulating member in a positive electrode of a battery, and suppress localized deposition of lithium on a negative electrode side containing metallic lithium or a lithium alloy. Provided is an electrode laminate in which a solid electrolyte layer has a low ion conductivity region in a region extending to a distance in one direction in a direction perpendicular to a thickness direction of the solid electrolyte layer and in a region extending to a distance in the other direction from a boundary line between a positive electrode active material layer and an insulating member, the positive electrode active material layer has an inclined portion that is inclined so that a width thereof reduces in a direction away from a positive electrode current collector.
Resumen de: US2025304304A1
Proposed is an apparatus for introducing an active material for use in a secondary battery. The apparatus includes a cutting unit positioned on an upper side of an introducing portion of a main hopper and provided for cutting a bottom portion of a packaging material in which a powder is accommodated, and includes a sealing unit provided around an outside of the cutting unit and configured to block leakage of the powder by bringing the introducing portion of the main hopper and an opening portion of the packaging material formed by cutting to be in communication with each other.
Resumen de: US2025308014A1
The present disclosure relates to a system for packaging a secondary battery and a method for detecting a fault thereof. The method according to an embodiment of the present disclosure may include: through a photographing device, photographing a part of the system so as to include an identification mark formed at a designated position of the system to acquire an inspection image; detecting the identification mark from the inspection image; calculating a position of the identification mark based on a first reference point related to a field of view of the photographing device; and determining a state of the photographing device, based on the calculated position of the identification mark and previously stored first reference information.
Resumen de: US2025303921A1
The present disclosure relates to a battery management method and relates to providing a battery management method with improved safety and user convenience. To this end, the battery management method of the present disclosure may include monitoring a lower-level battery and receiving monitoring data, estimating a damage possibility of an upper-level battery including the lower-level battery based on the received monitoring data, and changing a charge/discharge range of the upper-level battery from a first charge/discharge range to a second charge/discharge range based on the estimated damage possibility.
Resumen de: US2025309365A1
An electrode assembly includes a positive electrode plate, a negative electrode plate, and a separator. The positive electrode plate includes a positive electrode current collector, a first positive electrode active material layer, and a second positive electrode active material layer. The negative electrode plate includes a negative electrode current collector, a first negative electrode active material layer, and a second negative electrode active material layer. The electrode assembly includes a flat region and a bent region. The negative electrode plate includes a first bent section and a second bent section. The positive electrode plate includes a third bent section. The first bent section, the third bent section, and the second bent section are sequentially disposed away from a winding center.
Resumen de: US2025309385A1
This disclosure relates to systems for hydrogen sulfide mitigation. A battery cell or plurality of battery cells in a battery pack with a solid electrolyte sandwiched between an anode and a cathode are presented. A coating is applied to an interior surface of the sulfur-containing lithium-based rechargeable battery cell. The coating is configured to precipitate hydrogen sulfide gas responsive to moisture ingress in the cathode and exude sulfur dioxide and water external to the sulfur-containing lithium-based rechargeable battery cell.
Resumen de: US2025309664A1
Systems, methods, and articles for a portable power case are disclosed. The portable power case is comprised of at least one battery and at least one PCB. The portable power case has at least one USB port and at least two access ports, at least two leads, or at least one access port and at least one lead. The portable power case is operable to supply power to an amplifier, a radio, a wearable battery, a mobile phone, and a tablet. The portable power case is operable to be charged using solar panels, vehicle batteries, AC adapters, non-rechargeable batteries, and generators. The portable power case provides for modularity that allows the user to disassemble and selectively remove the batteries installed within the portable power case housing.
Resumen de: US2025309508A1
This insulation device (250) for a battery compartment (200) comprises a ribbon (260), which extends according to a longitudinal axis (A260) and which comprises a first insulation portion (261), which is electrically insulating, which is continuous along the longitudinal axis (A260), and which is configured to be interposed between a contact terminal (214) and a terminal of an electrical battery (212) in order to prevent the passage of current between the contact terminal and the terminal. The ribbon also comprises a second insulation portion (262) and a conduction portion (263), which is configured not to prevent the passage of current between the terminal and the contact terminal when the conduction portion (263) is interposed between the contact terminal and the terminal. The conduction portion is interposed, according to the longitudinal axis, between the first insulation portion (261) and the second insulation portion (262).
Resumen de: US2025309662A1
A balancing module for a power tool is provided, wherein the power tool includes a motor, and at least a first and a second power supply device. The first power supply device is connected to a first switching element and a third switching element of the balancing module, and the second power supply device is connected to a second switching element and a fourth switching element of the balancing module, wherein a first and a second coil are arranged between the center tap of the power supply devices of the power tool and the switching elements of the balancing module, wherein the coils are configured such that a balancing current I_bal flows through the coils. A power tool with such a balancing module, as well as to a method for charge balancing between a first and a second power supply device of a power tool, wherein the balancing current I_bal flowing through the coils can be adjusted by appropriately controlling the switching elements of the balancing module.
Resumen de: US2025309504A1
A casing assembly, a battery cell, a battery, and an electrical apparatus are provided. The casing assembly includes a casing with mounting holes and first terminals. Each first terminal comprises a terminal body, a first limiting platform, and a second limiting platform, which are integrally formed. The terminal body extends through a mounting hole, with the first and second limiting platforms positioned on opposite ends along the axial direction of the hole. The first limiting platforms engage the outer side of the casing, while the second limiting platforms engage the inner side, securing the first terminals to the casing via riveting. This design simplifies assembly and enhances the reliability and stability of the connection between the first terminals and the casing.
Resumen de: US2025309429A1
A battery module and a battery pack are provided. The battery pack includes a mounting frame, a battery cell assembly, and a connecting assembly. The battery cell assembly includes two battery cell groups distributed inside the mounting frame along a first direction. Each of the two battery cell groups includes a plurality of battery cell units distributed along a second direction. Each of the battery cell units includes two battery cells distributed along the second direction. Each of the battery cells includes a first pole post and a second pole post distributed along the first direction. First pole posts of adjacent two of the battery cells distributed along the first direction are connected by a corresponding one of first connecting members. Second pole posts of the two battery cells of each of the battery cell units are connected by a corresponding one of second connecting members.
Resumen de: US2025309428A1
A high voltage manifold assembly that connects a high voltage battery system to an electrified powertrain for an electrified vehicle is provided. The high voltage manifold assembly includes a battery disconnect unit (BDU), an electrical manifold and a single set of busbars. The BDU is configured to selectively disconnect the high voltage battery from the electrified powertrain. The electrical manifold has a plurality of fuses disposed therein, the plurality of fuses electrically connected to a respective plurality of connectors. The single set of busbars exclusively electrically couple the BDU and the electrical manifold.
Resumen de: US2025309424A1
A secondary battery includes an electrode assembly, a packaging bag, and a first bonding member. The electrode assembly includes a positive electrode plate, a separator, and a negative electrode plate that are arranged in a winding manner. An end portion of the positive electrode plate and an end portion of the separator extend beyond an end portion of the negative electrode plate, and a first uncoated foil zone is provided at a portion at which the positive electrode plate extends beyond the negative electrode plate. An outermost circle of a first straight segment includes one layer of a first uncoated foil zone. An inner circle of the first straight segment includes the positive electrode plate close to the first uncoated foil zone and at least one layer of the separator located between the first uncoated foil zone and the positive electrode plate.
Resumen de: US2025309417A1
A packaging material for a power storage device includes at least a substrate layer, a barrier layer, an adhesive layer, and a sealant layer in this order. In the packaging material, at least either of the adhesive layer and the sealant layer includes a filler-containing layer that contains a filler containing layered clay minerals. The filler-containing layer may be obtained using a resin composition containing a resin and a filler. Of the adhesive layer and the sealant layer, the adhesive layer may include the filler-containing layer, and the resin in the resin composition may comprise a modified polyolefin resin.
Resumen de: US2025309416A1
An all solid battery cell includes an electrode laminate, an exterior body, and a bent portion. The bent portion includes a first extension portion, a second extension portion folded from a tip portion of the first extension portion, and a third extension portion folded from a tip portion of the second extension portion. A length between the tip portion of the first extension portion and the tip portion of the second extension portion is greater than a thickness of the electrode laminate.
Resumen de: US2025309503A1
A battery cell, a battery, an electric device, and an assembly method for a battery cell are provided. The battery cell comprises: a case assembly, which comprises a case and first post terminals, wherein the case comprises a case body and a case cover, the case body having an opening, the case cover covering the opening, and the case body being provided with the first post terminals; and a battery cell assembly, which comprises an active substance coating portion and electrically conductive portions, wherein the active substance coating portion is accommodated in the case body, and the electrically conductive portions are electrically connected to the active substance coating portion and the first post terminals. The present application can reduce the probability of cracking occurring at a weld joint between the case body and the case cover during use of the battery, thereby improving the reliability of the battery cell.
Resumen de: US2025309510A1
An energy storage device container can suppress fires and can comprise a compartment configured to receive an energy storage device and a chamber configured to hold a fire suppressive agent, the chamber being positioned above the compartment. A barrier can be positioned between the compartment and the chamber and can physically separate the fire suppressive agent from the energy storage device to inhibit the fire suppressive agent from entering the compartment when the barrier is in a first physical state. The barrier can change from the first physical state to a second physical state in response to thermal energy having a threshold temperature to allow the fire suppressive agent to enter the compartment to contact the energy storage device.
Nº publicación: US2025309496A1 02/10/2025
Solicitante:
NINGDE AMPEREX TECH LIMITED [CN]
Ningde Amperex Technology Limited
Resumen de: US2025309496A1
An electrochemical apparatus includes a soft package film, an electrode assembly, a first tab, and a first protective member. The electrode assembly is accommodated within the soft package film, and the electrode assembly includes an electrode body and a plurality of first extension portions. One end of each of the plurality of first extension portions is connected to the electrode body, the plurality of first extension portions are sequentially stacked along a first direction, the other ends of the plurality of first extension portions are stacked on the first protective member, and the other ends of the plurality of first extension portions and the first protective member are welded to form a first adapting portion. One end of the first tab is welded to the first adapting portion, and another end of the first tab extends out of the soft package film.
BOPI
Sede Electrónica
