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1198
resultados
Última actualización
20/08/2025 [07:27:00]
Resultados 250 a 275 de 1198
Resumen de: US2025260054A1
A technique is provided that can suppress a capacity deterioration when an electric charge is performed on an electric storage device. The herein disclosed electric storage device includes a nonaqueous electrolytic solution. The nonaqueous electrolytic solution contains a nonaqueous solvent and an additive agent A. The nonaqueous solvent is carbonates. The additive agent A is at least one of 2-vinylpyridine, vinyl benzoate, 3,4-thiophenedicarboxylic anhydride, 1-ethyl-3-methylimidazolium methyl sulfate, 1-ethyl-3-methylimidazolium ethyl sulfate, 1-ethyl-3-methylimidazolium methylphosphonate, and 1-ethyl-3-methylimidazolium bis(perfluoroethylsulfonyl)imide.
Resumen de: AU2023428801A1
A vehicle battery jump starter with air pump device includes a vehicle battery jump starter and an air pump disposed within a cover. An internal battery is also disposed within the cover and connected to the vehicle battery jump starter and the air pump. A port is provided so as to provide connection to the device from an external vehicle battery. The air pump is configured such that it is powered by the external battery in a first mode of operation.
Resumen de: US2025256314A1
The present disclosure relates to a lithium rolling apparatus for forming a lithium foil by rolling a lithium sheet and includes a first roll which contacts a first surface of the lithium sheet; a second roll which contacts a second surface of the lithium sheet; and a first conveyor device disposed at a rear side of the first roll and the second roll, including a belt which transports the lithium foil while controlling tension applied to the lithium foil by surface-contacting at least a part of the second surface of the lithium foil.
Resumen de: US2025256313A1
A main object of the present disclosure is to provide a method for disposing of a battery, with which the battery can be deactivated well. The present disclosure achieves the object by providing a method for disposing of a battery, the method including: a soaking step of soaking a battery including an Al terminal in a treatment liquid to decrease a voltage of the battery by causing outer short circuit through the treatment liquid, wherein the treatment liquid contains water and a supporting salt; and in the soaking step, a covering body including conductivity is used, and the covering body is arranged so as to cover at least a part of the Al terminal to make the treatment liquid and the Al terminal electrically connected through the covering body.
Resumen de: US2025255768A1
A method includes providing a battery holder of an ankle-foot exoskeleton wearable on a lower limb of a user, the battery holder configured to be disposed at the lower limb of the user and configured to receive a battery. The method includes providing an actuator of the ankle-foot exoskeleton, the actuator configured to receive power from the battery and generate torque about an axis of rotation of the lower limb. The method includes providing one or more housings of the ankle-foot exoskeleton, the one or more housings enclosing electronic circuitry configured to control delivery of the power from the battery to the actuator.
Resumen de: US2025258969A1
The present disclosure relates to systems and methods for manufacturing a battery electrode plate. The system comprises a computing device configured to receive, from the client device, a target process factor among a plurality of process factors associated with manufacturing a battery electrode plate, predict, via a machine-learning model, a change in a characteristic of the battery electrode plate based on a change in a design value of the target process factor, generate information for selecting the target process factor based on predicting the change of the characteristic of the battery electrode plate, and transmit the information to the client device for manufacturing the battery electrode plate.
Resumen de: US2025258244A1
A method for diagnosing a battery assembly according to one aspect of the present disclosure diagnoses a battery assembly including a battery bank comprising a plurality of battery cells connected in parallel with each other, and the method includes generating a differential profile representing a relationship between a differential capacity, which is obtained by differentiating a capacity of the battery bank with respect to a voltage of the battery bank, and the voltage of the battery bank; and diagnosing a state of the battery bank based on a difference value between a differential capacity value of a target peak located in a predetermined voltage section among a plurality of peaks of the differential profile and a differential capacity value of a valley adjacent to the target peak.
Resumen de: US2025260060A1
Systems, devices, and methods described herein relate to electrolyte formulations and the incorporation thereof into batteries. In some aspects, an electrolyte composition can comprise between about 10 wt % and about 42 wt % of an electrolyte solvent, between about 13 wt % and about 59 wt % of a fluoroether. In some embodiments, the electrolyte solvent can make up between about 26 wt % and about 39 wt % of the composition. In some embodiments, the fluoroether can make up between about 18 wt % and about 36 wt % of the composition. In some embodiments, the composition can include between about 0.5 wt % and about 1.5 wt % of a first additive. In some embodiments, the composition can include between about 0.5 wt % and about 5 wt % of a second additive.
Resumen de: US2025260006A1
A cell for use in an electrochemical cell having positive and negative electrodes. The positive electrode includes a current collector and a pre-lithiated active cathode material formed of one or more of Li1+xMn2O4, Li1+xNi0.5Mn1.5O4, Li1+xNiO2, Li1+xCoO2, Li1+xNiaCobMncAlO2, wherein x is in the range of 0.1 to 1.0; a+b+c+d=1; a≥0.5; 0
Resumen de: US2025260101A1
A battery cell includes a case including a first edge forming an opening and a joining portion positioned perpendicular to the first edge, an electrode assembly accommodated within the case, and a cap assembly coupled to the case and sealing the opening. The case includes a center area facing the electrode assembly, an end area surrounding at least a portion of the cap assembly, and a groove extending from the end area and accommodating a welding bead formed in the joining portion.
Resumen de: US2025260098A1
A fastening structure includes an insulation member disposed between a fastening member and a fastened member, and has a configuration wherein the insulation member is in close contact with the fastening member and the fastened member so that an adequate sealing area is secured. The fastening structure includes: a case; a fastening member extending through a through hole in the case; and an insulation member between the fastening member and the case. The fastening member includes a portion exposed from the case, and a penetrating portion extending through the through hole. The expose portion includes a confronting surface opposed to an outside surface of the case via the insulation member. A compression region is located, and defines a minimum distance between, the confronting surface and the outside surface. A projection is disposed at place not overlapping with the compression region.
Resumen de: US2025260062A1
This application discloses a secondary battery and an electric apparatus. The secondary battery includes a positive electrode plate, a negative electrode plate, an electrolyte, and a separator sandwiched between the positive electrode plate and the negative electrode plate. The positive electrode plate includes a positive electrode active material. The positive electrode active material includes LiFexM(1-x)PO4, where 0
Resumen de: US2025258243A1
A method for diagnosing a battery assembly according to one aspect of the present disclosure diagnoses a battery assembly including a battery bank provided by connecting a plurality of battery cells in parallel with each other, and the method includes generating a second differential profile representing a relationship between a second differential capacity, which is obtained by taking a second derivative of a capacity of the battery bank with respect to a voltage of the battery bank, and the voltage of the battery bank; and detecting a target peak located in a predetermined voltage section among a plurality of peaks of the second differential profile and diagnosing a state of the battery bank based on a second differential capacity value of the target peak.
Resumen de: US2025258242A1
A battery diagnosis apparatus, a battery diagnosis method and a battery diagnosis system are disclosed. The battery diagnosis apparatus includes a data acquisition unit configured to acquire battery information indicating a time-dependent change history of a terminal voltage and a charge current of a battery during a reference number of charge cycles performed according to a Constant Current (CC)-Constant Voltage (CV) charging protocol for the battery at beginning of life (BOL). The apparatus also includes a control unit configured to calculate an initial CC capacity ratio for each charge cycle of the reference number of charge cycles performed based on the battery information. A first initial CC capacity ratio in a first charge cycle is a ratio of a first CC charge capacity to a total charge capacity of the battery in the first charge cycle, and the first CC charge capacity is a charge capacity in a first CC charging duration according to the CC-CV charging protocol. The control unit is configured to determine a representative initial CC capacity ratio based on each initial CC capacity ratio of each charge cycle of the reference number of charge cycles; an diagnose the battery by determining an indication of accelerated degradation by comparing the representative initial CC capacity ratio with a predetermined representative reference CC capacity ratio.
Resumen de: US2025258246A1
An information processing device includes: a state information acquisition unit that acquires state information representing a state of a battery mounted on an electric device driven by the battery; an association information acquisition unit that acquires association information representing an association between the state of the battery and a deterioration rate of the battery; a deterioration information deriving unit that derives deterioration information related to the deterioration rate of the battery, based on the state information and the association information; and an output unit that outputs the deterioration information.
Resumen de: US2025258240A1
A detection system for a battery pack may include one or more monitoring devices configured to detect respective response signals, responsive to an EIS input signal applied to terminals of the battery pack, for a plurality of battery cells electrically connected to the terminals. The detection system may include a controller configured to transmit, to an EIS device, data indicating the respective response signals and identifying which of the plurality of battery cells generated the respective response signals.
Resumen de: US2025260048A1
A sulfide solid electrolyte includes: a Li element; a P element; a S element; and a Ha element. The sulfide solid electrolyte has an argyrodite crystal structure. The crystal structure includes a plurality of PS4 tetrahedrons where the P element may be substituted and at least a part of the S elements may be substituted. The crystal structure includes 16 elements serving as the vertices of the PS4 tetrahedrons T1 in a unit cell. When the 16 elements are made to correspond to 16 S elements constituting vertices corresponding to 16e sites of PS4 tetrahedrons T2 in a space group F-43m, an average value of a distance Δ between respective positions of the 16 elements in the PS4 tetrahedrons T1 and respective positions of the 16 S elements in the PS4 tetrahedrons T2 corresponding thereto is 0.05 Å to 0.30 Å.
Resumen de: US2025260055A1
A non-aqueous electrolyte includes a lithium salt, an organic solvent, and an additive, wherein the additive includes a compound represented by Formula 1 below, and such non-aqueous electrolyte may be excellent in electrode film protection and an O2 scavenging effect, so that cycle properties and resistance properties of a lithium secondary battery including the non-aqueous electrolyte may be simultaneously improved, and the amount of gas generation may be significantly reduced:all the variables are described herein.
Resumen de: US2025260046A1
A method for manufacturing chalcogenide-based solid-state electrolytes, the method comprising generating a vapor of a first precursor material in a first effusion cell, generating a vapor of a second precursor material in a second effusion cell, generating a vapor of a third precursor material in a third effusion cell, bringing together the generated vapors of the first, second, and third precursor materials in a vacuum-compatible processing chamber, and initiating a reaction between the vapors of the first, second, and third precursor materials to produce the chalcogenide-based solid-state electrolyte, wherein the chemical formula of the chalcogenide-based solid-state electrolyte is governed by the flux ratio between the first, second, and third precursor vapors.
Resumen de: US2025259986A1
An embodiment method of manufacturing a pre-lithiated anode includes preparing an anode assembly including an anode current collector and an intermediate layer disposed on a surface of the anode current collector, wherein the intermediate layer includes silver particles and a carbon material, applying an electrolyte solution to the intermediate layer, manufacturing a pressurization structure by stacking a lithium supply layer on the intermediate layer coated with the electrolyte solution, and performing pre-lithiation to convert the intermediate layer into a coating layer by applying pressure to the pressurization structure in a stacking direction thereof to form the pre-lithiated anode, wherein the coating layer includes a γ3 phase Li—Ag alloy formed by reacting the silver particles with lithium in performing the pre-lithiation.
Resumen de: US2025260047A1
A solid electrolyte includes a compound having an argyrodite crystal structure represented by Formula 1,LiaMxPSbBrcXd. Formula 1wherein Formula 1,M is Fe, Mg, Ca, Ag, Cu, Zr, Zn, or a combination thereof;X is Cl; and0≤x<1, 5≤(a+x)<7, 5≤a≤6, 4≤b≤6 and 0<(c+d)≤2.
Resumen de: US2025257836A1
A coolant-collecting device in a battery coolant distribution system for a vehicle has at least two flexible coolant-collecting tubes and a T-shaped connecting piece with three tubular connecting elements. The T-shaped connecting piece is arranged between the flexible coolant-collecting tubes, and a first of the three tubular connecting elements can be accommodated in a coolant channel of a battery cooling profile. There is also described a method for producing a coolant-collecting device in a battery coolant distribution system and a vehicle with a battery and a battery coolant distribution system.
Resumen de: US2025257956A1
A cooler has a coolant passage. The cooler includes a cooling plate portion having a plurality of partition walls extending in a longitudinal direction and partitioning the coolant passage in a width direction orthogonal to the longitudinal direction, and an opening that opens the coolant passage in a first longitudinal direction that is one direction of the longitudinal direction and a first height direction that is one direction of a height direction orthogonal to the longitudinal direction and the width direction; and a lid portion joined to the cooling plate portion so as to close the opening of the cooling plate portion. A joint surface of the cooling plate portion with the lid portion is directed further toward the first height direction side than toward the longitudinal direction.
Resumen de: US2025257491A1
Systems and methods for removing lithium from a lithium-containing solution producing a lithium-enriched stream. The system includes a first electrochemical membrane reactor including one or more working electrodes, one or more counter electrodes, one or more ion exchange membranes, one or more optional bipolar membranes, and a power source configured to apply a voltage to the first electrochemical membrane reactor. A second electrochemical membrane reactor is configured to remove lithium from the lithium enriched stream. The first electrochemical membrane reactor may be coupled to the second electrochemical membrane reactor. The second electrochemical membrane reactor includes one or more working electrodes, one or more counter electrodes, one or more ion exchange membranes, and a power source configured to apply a voltage to the second electrochemical membrane reactor.
Nº publicación: US2025261350A1 14/08/2025
Solicitante:
HUAWEI DIGITAL POWER TECH CO LTD [CN]
Huawei Digital Power Technologies Co., Ltd
Resumen de: US2025261350A1
An all-in-one power supply apparatus. The power supply apparatus includes an integrated groove housing, a radiator, an upper-layer circuit board, and a lower-layer circuit board. The integrated groove housing includes a bottom plate which includes a first flow channel and a second flow channel, and the first flow channel is configured to communicate the second flow channel and the radiator. The first flow channel, the upper-layer circuit board, and the radiator are sequentially stacked in a third direction, and the first flow channel and the radiator are configured to cool the upper-layer circuit board. The second flow channel and the lower-layer circuit board are stacked in the third direction, and the second flow channel is configured to cool the lower-layer circuit board. The first flow channel and the second flow channel are arranged in a flat manner, thereby improving heat dissipation efficiency.
BOPI
Sede Electrónica
