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1138
results.
Updated on
07/09/2025 [07:12:00]
Results 200 to 225 of 1138
Absstract of: US2025279416A1
Embodiments of this application provide a positive electrode active material, a battery cell, a battery, and a power consuming apparatus. The positive electrode active material includes: a matrix, where a chemical formula of the matrix is LiLixNiaCobMncMdO2, M includes at least one of Mg, Nb, Cr, Ce, Fe, Ta, B, Al, V, Ti, Zr, Sn, P, and Mo, x+a+b+c+d=1, x>0, a>0, 0
Absstract of: US2025279408A1
A secondary battery includes: an electrode assembly; a first exterior material enclosing the electrode assembly such that the electrode assembly is sealed; a second exterior material enclosing an outer surface of the first exterior material, wherein at least a portion of the second exterior material is unbonded to the first exterior material; and an electrode lead electrically connected to the electrode assembly and configured to extend from an interior to an exterior of the first exterior material and the second exterior material.
Absstract of: US2025279514A1
In an embodiment, a battery includes an exterior part, an electrode group, a terminal, and an insulator, and the electrode group is housed in an internal cavity of the exterior part. The terminal is inserted into the internal cavity through the exterior part and includes a terminal head arranged outside the exterior part. The insulator includes a bottom portion sandwiched between the terminal head and an outer surface of the exterior part, and a covering portion covering the terminal head from an outer peripheral side of the terminal on the outer surface of the exterior part. The covering portion abuts on the outer surface of the exterior part, and a protruding height of the covering portion from the outer surface of the exterior part is a protruding height of the terminal head from the outer surface of the exterior part or more over an entire circumference.
Absstract of: US2025279557A1
An electric battery assembly is disclosed comprising: a battery cell having an exterior housing and first and second electrical terminals enabling power to be drawn from the battery cell, the housing being electrically coupled to the first electrical terminal and electrically insulated from the second electrical terminal; an electronic unit comprising a measurement device; and wherein the electronic unit is electrically connected to the second electrical terminal and to the housing, thereby electrically coupling the electronic unit to the first battery cell terminal via the housing, enabling the measurement device to measure a property of the battery cell.
Absstract of: US2025279460A1
A tray is provided with a carrying region for carrying at least one workpiece. The tray includes a base plate, a fixing plate, and a clamping assembly. The fixing plate is arranged on a side of the base plate along a first direction and configured to block the workpiece. The clamping assembly includes two first clamping pieces and at least one second clamping piece. The two first clamping pieces extend along the first direction and are spaced apart on two opposite sides of the base plate in a manner of moving towards each other along a second direction. The second clamping piece is arranged on a side opposite the fixing plate and located between the two first clamping pieces. The second clamping piece is configured to be capable of moving towards or away from the fixing plate along the first direction; and the first direction intersects with the second direction.
Absstract of: US2025279482A1
A solid-state secondary battery according one embodiment of the present invention includes an electrode laminate that includes a positive electrode layer, a negative electrode layer, and a solid electrolyte layer laminated between the positive electrode layer and the negative electrode layer, and an insulating frame placed on side surfaces of the positive electrode layer with a gap between the positive electrode layer and the insulating frame, in which at least a portion of the insulating frame is pressed in a laminating direction of the electrode laminate and is spread toward a side of the positive electrode layer.
Absstract of: US2025279480A1
An electrochemical cell includes a cathode of oxygen or a metal oxide; an anode comprising lithium metal; and an electrolyte including a lithium sulfonylimide salt, a terminally fluorinated glycol ether, and an ionic liquid.
Absstract of: US2025276338A1
The present disclosure discloses a coating device. The coating device includes a coating roller, a scraping roller, and a blocking assembly. The scraping roller and the coating roller are arranged side by side, and a gap is provided between the scraping roller and the coating roller to allow a slurry to pass through. The blocking assembly is arranged at an outer side of the coating roller and an outer side of the scraping roller. The blocking assembly includes a support and a blocker mounted at the support. The blocker includes a cooperation portion cooperating with the coating roller and an engagement portion cooperating with the scraping roller. A first end of the cooperation portion and a first end of the engagement portion are connected and form an angle portion. The angle portion extends into the gap.
Absstract of: US2025276341A1
A method for coating a glue on a water-cooling plate comprises acquiring a first image and a second image comprising the water-cooling plate; determining a deviation between a placement position and a preset position of the water-cooling plate based on the first image and the second image; regulating a glue coating trajectory based on the deviation between the placement position and the preset position of the water-cooling plate; and coating the glue on the water-cooling plate based on the regulated glue coating trajectory.
Absstract of: US2025278536A1
The present invention relates to a modeling method for a thermal runaway-electrochemical coupling model for a change in state of charge of a lithium-ion battery during charging and discharging, and belongs to the technical field of safety of lithium-ion batteries. The method includes the following steps: S1: establishing a three-dimensional thermal runaway model of the battery under different states of charge; S21: assembling half-cells of battery cathode and anode materials; S22: testing equilibrium potentials and entropy thermal coefficients of a cathode and an anode; S23: acquiring a heat transfer coefficient between a battery surface and an ambient temperature; S24: measuring temperature and voltage change curves of the battery; S25: establishing an electrochemical model plugging electrochemical parameters into the model to obtain simulation results, and comparing the simulation results with real experimental results; and S3: making the temperatures in the electrochemical model to be consistent with an average temperature in the three-dimensional thermal runaway model under different states of charge for coupling, and setting restriction conditions after coupling. The method can achieve coupling of the thermal runaway model for the change in state of charge and electrochemistry, and can explore the thermal runaway phenomenon of batteries more comprehensively.
Absstract of: US2025275658A1
An attachment for a vacuum cleaner includes a head, a brush roll, an electric motor, and an attachment conduit. The head includes a suction opening, a brush roll cavity, and a battery cavity defined therein. The brush roll cavity is in fluid communication with the suction opening. The battery cavity has an elongate shape and a first longitudinal axis. The brush roll is rotatably coupled to the head. A majority of the brush roll is disposed within the brush roll cavity. The brush roll is rotatable about a rotational axis. The electric motor is disposed within the head. The electric motor drives the brush roll. The attachment conduit is in fluid communication with the suction opening. The attachment conduit is coupled to the head and has a second longitudinal axis. Each of the first longitudinal axis and the second longitudinal axis is angled relative to the rotational axis.
Absstract of: US2025279409A1
The present disclosure relates to a composite electrode comprising polymer with carbon particles percolated by gallium or a gallium-indium alloy, and a stretchable battery comprising: a cathode electrode comprising silver oxide and styrene-isoprene block copolymer (Ag2O-SIS) and a cathode current collector; an anode electrode comprising a gallium, carbon, and a polymer and an anode current collector; wherein each of the cathode current collector and the anode current collector comprise: a first current collector of a composite comprising liquid metal eutectic gallium-indium (EGaln), silver (Ag), and styrene-isoprene block copolymer (SIS); and a second current collector a second layer of carbon black (CB) and styrene-isoprene block copolymer (SIS). The disclosure also discloses a method to obtain said composite electrode and said stretchable battery.
Absstract of: US2025279414A1
The positive electrode plate comprises a current collector, a first positive electrode active material layer, and a second positive electrode active material layer; the first positive electrode active material layer is arranged on at least one side of the current collector, and the second positive electrode active material layer is arranged on the first positive electrode active material layer; the first positive electrode active material layer comprises a first positive electrode active material, the second positive electrode active material layer comprises a second positive electrode active material, the first positive electrode active material comprises a lithium-containing phosphate of olivine structure, and the second positive electrode active material comprises a cobalt-containing lithium metal oxide. The positive electrode plate can effectively improve the influence of the concentration polarization of a battery on the performance of the battery, thereby helping to improve the capacity and cycle performance of the battery.
Absstract of: US2025279427A1
A lead-based alloy containing alloying additions of bismuth, antimony, arsenic, and tin is used for the production of doped leady oxides, lead-acid battery active materials, lead-acid battery electrodes, and lead-acid batteries.
Absstract of: US2025279415A1
A positive electrode active material and a preparation method therefor, a positive electrode sheet, a battery and an electric device. The positive electrode active material comprises: a core; and a carbon coating layer which covers at least part of the surface of the core, the molar ratio of sp3 hybridized carbon atoms to sp2 hybridized carbon atoms in the carbon coating layer being not less than 0.5.
Absstract of: US2025279498A1
A battery includes a box body, and multiple battery cells and a heat conducting member arranged in the box body. Each battery cell is provided with multiple side walls. The multiple side walls include a first side wall and a second side wall connected to each other. The first side wall is a side wall with the largest area of the battery cell. The second side walls of at least part of the battery cells are connected to the box body in a heat conducting manner through the heat conducting member.
Absstract of: US2025279479A1
Provided are a battery cell, a battery, and a power consuming device. The battery cell includes: an electrode assembly, where the electrode assembly includes a positive electrode plate and a negative electrode plate; and an electrolyte solution, where the electrolyte solution includes a first electrolyte salt, and a molecular formula of the first electrolyte salt is:where R1 is one of Li, Na, K, Mg, and Al, R2 is at least one of element O, element S, element F, and C1-C3 alkyl or C1-C3 alkyl substituted with element F, and based on 100 parts by weight of the electrolyte solution, content W1 of the first electrolyte salt ranges from 2 parts by weight to 20 parts by weight. According to the technical solution of this application, energy density and safety performance of the battery can be improved.
Absstract of: US2025279531A1
A battery comprises a battery case, a pressure relief mechanism, and a first negative pressure mechanism. The pressure relief mechanism is arranged at a wall portion of the battery case, and the pressure relief mechanism is used for relieving the internal pressure of the battery case when the internal pressure or temperature of the battery case reaches a threshold value. The first negative pressure mechanism is connected to the pressure relief mechanism, and the first negative pressure mechanism is used for generating a negative pressure, so as to direct gas in the battery case to move towards the pressure relief mechanism.
Absstract of: US2025279478A1
To provide a composite, a sheet, an electrochemical element, and a power storage device, ensuring electrical conductivity. A composite includes a metal oxide and an ester-type solvent in which an electrolyte salt is dissolved, in which an ionic liquid attaches to the surface of the metal oxide. A sheet contains the composite. An electrochemical element contains the composite. A power storage device includes a positive electrode layer, a negative electrode layer, and a separator which isolates the positive electrode layer from the negative electrode layer, and contains the composite.
Absstract of: US2025279535A1
A battery cell includes a shell, an electrode assembly, and a pressure relief mechanism, a battery, and an electrical device. The electrode assembly includes a main body part and a tab. The shell includes a first wall part and a second wall part. Along a second direction, the first wall part and the second wall part are arranged opposite to each other. A channel gap is formed between the second wall part and the main body part. The channel gap is configured to connect spaces in the shell that are located at both ends of the main body part along the first direction. The second direction intersects with the first direction. The pressure relief mechanism is arranged on the first wall part, and along the first direction, a center of the pressure relief mechanism deviates from a center of the first wall part.
Absstract of: US2025279521A1
A suppression system for a traction battery pack includes an enclosure, and a battery array within the enclosure. The battery array includes a plurality of battery cells. The suppression system further includes at least one pad within the enclosure. The at least one pad includes one or more combustion suppressing materials.
Absstract of: US2025277860A1
A method for capacity calculation of a battery module includes: acquire the historical charge and discharge parameters of each battery in the battery module, select a reference battery that meet preset charge and discharge conditions, and obtain remaining batteries in the battery module; obtain relative capacity of each remaining battery relative to the reference battery; determine batteries that meet the preset capacity conditions based on the relative capacities as target capacities; obtain increasable capacity of the battery module based on the target capacities. The calculation of the increasable capacity of the battery module is performed before the battery module is recharged, so that the operation and maintenance personnel can know whether the battery module needs to be recharged and whether the capacity of the battery module after recharging has increased, which optimizes recharge process, improves recharge efficiency, and improves operation and maintenance efficiency.
Absstract of: US2025277869A1
A vehicle includes a system that performs a method for operating the vehicle. A processor obtains an initial voltage fade state of a battery of the vehicle and a model of an initial state of the battery of the vehicle, commences a charging operation of the battery, measure a terminal voltage of the battery while charging, updates the model during the charging operation using the terminal voltage, ends the charging operation, obtains measurements of a cathode voltage after the charging operation has ended, determines a maximum cathode voltage from the measurements, determines an updated voltage fade state of the battery based on the maximum cathode voltage, selects a relation between cathode voltage and lithiation state based on the updated voltage fade state, calculates a state of lithiation of a cathode from the maximum cathode voltage using the selected relation, and operates the vehicle based on the updated voltage fade state.
Absstract of: US2025277870A1
A battery cell inspection system includes a transport unit including a plurality of conveyors arranged in multiple levels in a vertical direction, and configured to transport a tray on which an assembled battery cell is mounted, a cell inspection unit corresponding to the multiple levels of the transport unit, and configured to perform pre-charging and cell defect inspection of the battery cell, and a shuttle configured to move between the cell inspection unit and the transport unit to carry the tray into the cell inspection unit or take the tray from the cell inspection unit.
Nº publicación: US2025277863A1 04/09/2025
Applicant:
BEIJING HYPERSTRONG TECH CO LTD [CN]
Beijing HyperStrong Technology Co., Ltd
Absstract of: US2025277863A1
The present application provides a battery SOC evaluation method, an apparatus, a device and a medium. The method includes: acquiring charging-discharging data of a first battery cell pack at different first temperatures and different first rates, where the number of the first battery cell pack is at least one, and the first battery cell pack includes a first battery cell; acquiring first SOCs of the first battery cell pack according to the charging-discharging data, where the charging-discharging data includes first voltages of the first battery cell pack; establishing an association table of the first SOCs with the first temperatures, the first rates and the first voltages; acquiring a second temperature, a second rate and a second voltage of a battery pack, and acquiring a second SOC of each second battery cell in the battery pack by the association table, where the battery pack includes multiple second battery cells.
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