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1452
results.
Updated on
06/05/2025 [07:23:00]
Results 400 to 425 of 1452
Absstract of: US2025140934A1
A case includes a case main body provided with a first opening at one end portion of the case main body and a second opening at the other end portion of the case main body, accommodating the electrode assembly in the case includes inserting the electrode assembly into the case main body through the first opening, and at an end portion of a main body portion of the electrode assembly on the positive electrode tab side, a positive electrode protective layer protrudes to the positive electrode tab side with respect to an end portion of a negative electrode active material layer.
Absstract of: US2025140897A1
Solid lithium-ion ceramic electrolyte membranes have an average thickness of less than 200 micrometers. A constituent electrolyte material has an average grain size of less than 10 micrometers. The solid lithium-ion ceramic electrolyte is free-standing. Alternatively, solid lithium-ion electrolyte membranes have a composition represented by Li1+x−yMxM′2−x−yM′′y(PO4)3, where M is a 3+ ion, M′ is a 4+ ion, M′′ is a 5+ ion, 0≤x≤2 and 0≤y≤2.
Absstract of: US2025140893A1
A battery cell pressing system may include a sealed case having an internal chamber, the sealed case including at least one window to allow visual inspection of the internal chamber; a pouch-type battery cell disposed within the internal chamber of the sealed case; a fluid filling the internal chamber and surrounding the pouch-type battery cell; a fluid entrance in fluid communication with the internal chamber; a pressing member configured to adjust a pressure of the fluid within the internal chamber such that the pressure at which the fluid presses the pouch-type battery cell is approximately 1 MPa to 10 MPa; a heater configured to heat the fluid within the internal chamber; and a pressure measuring member configured to measure the pressure within the internal chamber. The fluid isotropically presses the pouch-type battery cell during at least one of charging and discharging of the pouch-type battery cell.
Absstract of: US2025142740A1
An electronic device of a novel embodiment, specifically an arm-worn electronic device used while being worn on an arm, is provided. An arm-worn secondary battery used while being worn on an arm is provided. An electronic device is provided, which includes a structure body having a curved surface as a support structure body, a flexible secondary battery including a film as an exterior body over the curved surface of the support structure body, and a display portion including a plurality of display elements between a pair of films over the secondary battery. The plurality of display elements and the secondary battery overlap with each other at least partly. It is possible to provide an electronic device which has a small maximum thickness of 1 cm or less and a light weight of 50 g or less even when an arm-worn secondary battery is provided with a display portion
Absstract of: US2025141213A1
A vehicle impact detection device includes: an amplifier configured to receive and amplify an impact signal of a vehicle; a comparative voltage circuit configured to generate a first reference signal; a first comparator configured to output a control signal indicating that a predetermined first impact detection condition or a predetermined second impact detection condition is satisfied, based on an amplified signal output by the amplifier and the first reference signal; and a driver configured to cut off an output of a battery on basis of the control signal, wherein the comparative voltage circuit is configured to reduce a magnitude of the first reference signal over time in response to detection of the amplified signal output by the amplifier.
Absstract of: US2025141214A1
A vehicle power supply device comprises: a first power storage element group having multiple power storage elements connected in series; a second power storage element group connected in series to the positive pole side of the first power storage element group forming a high-voltage DC power supply by being combined with the first power storage element group; an active balancer; a first switching means and second switching means disposed between the first power storage element group and a low-voltage load; a control means; an interrupting means for interrupting power from the high voltage DC power supply; and a power leakage detection means. The control means determines a signal transmitted from the power leakage detection means during a dead time period in which the first and second switching means are OFF, and interrupts power supplied to the load for a prescribed period if the leakage current has reached a prescribed level.
Absstract of: US2025141247A1
Data are optically transmitted from a power tool device, such as a power tool, a power tool battery charger, power tool pack adapter, and/or a battery pack. The data are stored in a memory of the power tool device and are encoded as optical signal data to provide an encoded representation of the stored data. An optical transmitter (e.g., a light emitting diode or a flat panel display) transmits the optical signal data, which are detected or otherwise received by an optical receiver device, which may include a camera or other photodetector. The optical signal data may include light signals generated by an LED, where the data are encoded using an encoding scheme that modulates one or more characteristics (e.g., amplitude, wavelength, color) of the generated light signals. The optical signal data may also include images (e.g., barcodes, QR codes) or characters.
Absstract of: US2025140913A1
One embodiment of the present invention provides a solid electrolyte which has an argyrodite crystal structure and contains lithium, phosphorus, sulfur, element M, oxygen, and halogen elements, wherein the element M is at least one selected from an element (M2) with an oxidation number of 2+ and an element (M6) with an oxidation number of 6+, a substitution rate DS1 (%) of the element M represented by Relational Formula 1 is 0.1 to 1%, and a substitution rate DS2 (%) of the oxygen represented by Relational Formula 2 is 0.15% to 2%.
Absstract of: US2025140910A1
A secondary battery support body makes it possible to obtain a solid electrolyte layer having low resistance and achieve reduction in interface resistance between the solid electrolyte layer and a positive electrode or a negative electrode. This secondary battery support body is included in a solid electrolyte layer of a secondary battery, and is made of paper or nonwoven fabric having a porosity of 60-90% and a specific surface area per unit volume of 0.1-1.0 m2/cm3.
Absstract of: US2025140911A1
An all-solid rechargeable battery includes a negative electrode; a first solid electrolyte layer on one surface of the negative electrode; a second solid electrolyte layer on one surface of the first solid electrolyte layer, and a positive electrode on one surface of the second solid electrolyte layer, wherein the first solid electrolyte layer includes rounded first solid electrolyte particles, and the first solid electrolyte layer has a first thickness of 2 μm or less.
Absstract of: US2025140931A1
Disclosed are a battery electrolyte solution and a battery. The battery electrolyte solution includes an organic solvent, an additive, and an electrolyte salt, and the electrolyte solution is in contact with a negative electrode plate; the organic solvent includes an ethyl group solvent, the additive includes fluoroethylene carbonate, the electrolyte salt includes a lithium salt, and percentages of the ethyl group solvent, the fluoroethylene carbonate, and the lithium salt in a total mass of the electrolyte solution are configured as follows: 0.4−N3≤A+B2+C2≤5.2−N3, where N denotes a peeling strength value of the negative electrode plate, A, B, and C respectively denote a percentage of the mass of the ethyl group solvent, the fluoroethylene carbonate and the lithium salt in the total mass of the electrolyte solution.
Absstract of: US2025140908A1
Provided is an all-solid-state battery with high productivity. An all-solid-state battery according to the present invention relates to Goals 3, 7, 11, and 12 of SDGs. An all-solid-state battery according to the present invention includes a stacked body provided with a positive electrode, a negative electrode, and a solid electrolyte sheet interposed between the positive electrode and the negative electrode, in which the solid electrolyte sheet contains a porous substrate and a solid electrolyte, the solid electrolyte is retained in pores of the porous substrate, both surfaces of the porous substrate are covered with the solid electrolyte, and in the solid electrolyte sheet, the porous substrate is located biased toward the positive electrode in a thickness direction of the solid electrolyte sheet, and the solid electrolyte sheet has a thickness of 50 μm or less.
Absstract of: US2025140901A1
An electrochemical cell including an electrode including a sulfuric conversion electroactive material, and a solid state electrolyte comprising an oxysulfide; a liquid electrolyte; a separator; and a negative electrode.
Absstract of: US2025141124A1
A connection structure according to an embodiment includes: a first conductive portion including a first busbar having a contact surface; a second conductive portion disposed at a position away from the first conductive portion; a movable conductive portion including a pressing portion capable of coming into contact with the first busbar and the movable conductive portion being movable with respect to the first conductive portion and the second conductive portion in a moving direction intersecting with the contact surface; a biasing portion capable of biasing the movable conductive portion toward the contact surface; and a relay conductive portion relaying conduction between the second conductive portion and the movable conductive portion, in which the relay conductive portion is slidable with respect to the second conductive portion or the movable conductive portion.
Absstract of: US2025141226A1
A computer implemented method for controlling a pool of energy storages. The energy storages of the pool have capacity limits defining how the energy storages are intended to be used. The method is performed by detecting an exception event; selecting one or more energy storages associated with the detected exception event; and temporarily adjusting at least one capacity limit of the selected energy storages in accordance with the detected exception event.
Absstract of: US2025141254A1
A parallel control method for multiple battery packs includes: in response to the multi-battery pack system being in a charging state, acquiring real-time voltages of the battery packs in the multi-battery pack system; determining a first battery pack and a second battery pack based on the real-time voltages, wherein a voltage of the first battery pack is a minimum voltage in the real-time voltages, and a voltage of the second battery pack is a second minimum voltage in the real-time voltages; controlling the first battery pack to be charged; and in response to the voltage of the first battery pack and the voltage of the second battery pack satisfying a predetermined charging condition, controlling the first battery pack and the second battery pack to be simultaneously charged, and analogously continuing such control until the all the battery packs in the multi-battery pack system are simultaneously charged.
Absstract of: US2025141225A1
A high-voltage battery pack for an electrical system includes a high-voltage output terminal configured for being connected to a high-voltage electrical load; a plurality of battery cells connected to form at least one string of series connected battery cells, wherein the battery cells of the at least one string are connected to the high-voltage output terminal for supplying high-voltage electrical power to the high-voltage electrical load; a first low-voltage output terminal configured for being connected to a first low-voltage electrical load, wherein a first subset of the series connected battery cells is configured for supplying low-voltage electrical power to the first low-voltage electrical load; and a second low-voltage output terminal configured for being connected to a second low-voltage electrical load, wherein a second subset of the series connected battery cells is configured for supplying low-voltage electrical power to the second low-voltage electrical load.
Absstract of: US2025140896A1
A stackable solid-state battery cell, a packaged solid-state battery including the same, and a method of making the same are disclosed. The battery cell includes a substrate, a cathode on or over the substrate, a solid-state electrolyte on the cathode, an anode current collector (ACC) on the solid-state electrolyte, an insulator layer on the ACC having a sidewall portion, a conductive redistribution layer on the insulator layer, including the sidewall portion, in electrical contact with the ACC, and a printed adhesive on a major surface of the cell. The packaged solid-state battery includes a plurality of the stackable solid-state battery cells and battery terminals in electrical contact with an active layer of each cell. The method includes printing the adhesive on the major surface, which can be the outermost surface of the redistribution layer and the insulator layer, or the substrate surface opposite from the cathode.
Absstract of: US2025140933A1
Solid-state electrochemical cells are disclosed. In examples, the cell comprises a cathode current collector, a sintered cathode layer arranged on the cathode current collector, a sintered electrolyte layer arranged on the sintered cathode layer, a sintered anode layer arranged on the sintered electrolyte layer, and an anode current collector arranged on the anode layer. Also described herein are methods of manufacturing said solid-state electrochemical cells, battery stacks comprising a plurality of said solid-state electrochemical cells, and electrically-powered devices comprising the solid-state electrochemical cell or battery stack.
Absstract of: US2025140939A1
A leakage electrolyte solution detection device includes a hyperspectral imaging device, an image extractor, and a determination unit. The hyperspectral imaging device includes an optical unit that collects reflected light by scanning a rechargeable battery on which the electrolyte solution injection process has been completed, a dispersive element that disperses light processed by the optical unit, and an image sensor that converts the light dispersed by the dispersive element into an electric signal, and acquires a hyperspectral image of a rechargeable battery. The image extractor extracts an image of a band related to a characteristic wavelength of an electrolyte solution from the hyperspectral image. The determination unit determines a presence or absence of a leakage electrolyte solution by analyzing the image extracted by the image extractor.
Absstract of: US2025140916A1
A solid-state battery cell and a method of making the same are disclosed. The battery cell includes a substrate, a cathode on or over the substrate, a solid-state electrolyte on the cathode, an anode current collector (ACC) on the solid-state electrolyte, a conductive bump on the ACC, an insulator layer on the ACC and having a sidewall portion, and a conductive redistribution layer in ohmic contact with the conductive bump and on the insulator layer, including the sidewall portion. The insulator layer surrounds the conductive bump and exposes a surface of the conductive bump. The method includes printing the conductive bump on the ACC, printing the insulator layer on the ACC and a sidewall of the ACC, solid-state electrolyte, cathode and substrate, and forming the conductive redistribution layer on the exposed conductive bump and the insulator layer, including the sidewall portion.
Absstract of: US2025141251A1
An AC battery system is provided herein and comprises a plurality of microinverters, a first battery pack comprising a first plurality of battery cells and a second battery pack comprising a second plurality of battery cells. Each of the first plurality of battery cells and the second plurality of battery cells are connected to the plurality of microinverters via a first bus and a second bus comprising a respective first semiconductor switch and a second semiconductor switch, and a controller operatively connected to the plurality of microinverters and the first plurality of battery cells and the second plurality of battery cells and configured to control the plurality of microinverters to at least one of open or close the first semiconductor switch and the second semiconductor switch based on a voltage and an impedance of a first cell of the first plurality of battery cells and a first cell of the second plurality of battery cells.
Absstract of: US2025141005A1
A state-monitoring-based fall-into-water protection method and a related device are provided, are applied to an intelligent storage battery box. The method includes the following. An acceleration of the intelligent storage battery box and a humidity of an environment in which the intelligent storage battery box is located are detected first. A space occupation state of the intelligent storage battery box is determined according to the acceleration and the humidity. The space occupation state includes a non-fall-into-water state and a fall-into-water state. If the space occupancy state of the intelligent storage battery box is the fall-into-water state, a fall-into-water protection start instruction is generated, and a fall-into-water floatable apparatus is controlled to inflate a floatable airbag in a folded state according to the fall-into-water protection start instruction.
Absstract of: US2025140993A1
A laminate type battery includes an electrode body, and a laminate film that covers and encloses the electrode body, in which: the laminate film includes a film body that covers four surfaces of the electrode body having a rectangular parallelepiped shape, and two lid members that cover two remaining side surfaces of the electrode body respectively; and each of the lid members has a concave shape that is constituted by one bottom plane and four wall planes, an outside surface of the concave shape at the bottom plane or an inside surface of the concave shape at the bottom plane faces the side surface of the electrode body, and outside surfaces of the concave shape at the wall planes are fused with the film body.
Nº publicación: US2025141004A1 01/05/2025
Applicant:
ROLLS ROYCE PLC [GB]
ROLLS-ROYCE plc
Absstract of: US2025141004A1
The disclosure relates to a battery pack module, for example for use in an electric or hybrid aircraft. Example embodiments include a battery pack module (600) comprising: a plurality of battery cells (6011-n) arranged in a battery cell array (602); an enclosure (604) comprising a plurality of walls surrounding the battery cell array (602); and a vent (605) connected to the enclosure (604) and arranged to provide a fluid flow path between an interior (607) of the enclosure (604) and an external environment (610) upon a pressure differential between the interior (607) of the enclosure (604) and the external environment (610) exceeding a predetermined threshold, wherein the walls of the enclosure (604) are composed of a fire-resistant laminated material comprising a plurality of fabric layers.
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