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1452
results.
Updated on
05/05/2025 [07:14:00]
Results 375 to 400 of 1452
Absstract of: US2025135915A1
A method of securing a battery for an electric work vehicle, the battery comprising a biometric identification device. A biometric identifier is collected from an operator using the biometric identification device. The biometric identifier is checked against a list of authorized operators. In an event that the operator matches an authorized operator from the list of authorized operators, access to the battery is enabled such that the operator is able to use the battery; remove the battery from the electric work vehicle and a charging module; and mount the battery into the electric work vehicle. In an event that the operator does not match an authorized operator from the list of authorized operators, access to the battery is prevented such that the operator is prevented from using the battery; removing the battery from the electric work vehicle and a charging module; and mounting the battery into the electric work vehicle.
Absstract of: US2025135945A1
In some implementations, a device may include a cell arrangement that stores energy for operating an energy storage system. In addition, the device may include a display that is positioned at the battery and configured to receive service information from the management system and to display the service information that relates to the cell arrangement such that at least one of a serviceability and condition of the battery is decipherable by viewing the display.
Absstract of: US2025138612A1
A battery module communication processing apparatus includes a connector configured to connect to and receive data from a communication port of a battery module, and a processor configured to establish communication of the battery module by determining a communication protocol of the battery module based on a number of pins of the connector connected to the communication port and the data of the battery module transmitted through the connector.
Absstract of: US2025135842A1
A heat pump system of an electric vehicle includes a compressor, a battery cooling passage, an outdoor heat exchange passage, an electric drive system cooling passage and a heat exchange device. The battery cooling passage and the outdoor heat exchange passage are connected in series or in parallel between an inlet pipe of the compressor and an outlet pipe of the compressor, a first heat sink is arranged on the outdoor heat exchange passage, a second heat sink is arranged on the electric drive system cooling passage, and the heat exchange device is connected between the outdoor heat exchange passage and the electric drive system cooling passage to exchange heat.
Absstract of: US2025135935A1
A charging system includes a work machine. The work machine includes a battery system. The charging system also includes a transport vehicle adapted to transport the work machine. The work machine is positioned on the transport vehicle for transportation thereof. The transport vehicle includes a fuel cell system. The fuel cell system of the transport vehicle provides operating power to the transport vehicle for propelling the transport vehicle. The fuel cell system further provides an electric power supply to the battery system of the work machine for charging the battery system.
Absstract of: WO2025089838A1
The present invention relates to a pouch film comprising a sealant layer, a barrier layer, a second outer layer, and a first outer layer which are sequentially laminated, wherein the second outer layer comprises a nylon-based resin, the thickness of the second outer layer is 35-60 μm inclusive, and the tensile strength ratio of the barrier layer and the second outer layer measured according to the measuring condition below is 0.9-1.2 inclusive. Measuring condition The barrier layer and the second outer layer of the pouch film are peeled so as to make respective test pieces having a width of 15 mm, and then, at room temperature, the test pieces are fixed between two jigs of a tensile tester (UTM) (initial jig gap 50 mm), and then the stroke (mm) and strength (N) of the test pieces are measured while pulling each test piece in the MD direction at a measuring speed of 50 mm/min. The x-axis in a graph derived from the measured values is stroke (mm), and the y-axis is tensile strength (N), and the tensile strength of the barrier layer and the second outer layer when the stroke is 5 mm is measured.
Absstract of: WO2025089866A1
The present invention relates to a composition for coating an uncoated portion of a battery, a method for coating an uncoated portion of a battery by using the composition for coating an uncoated portion of a battery, and an electrode comprising the composition for coating an uncoated portion of a battery. More particularly, the present invention relates to: a composition for coating an uncoated portion of a battery, having excellent heat resistance, excellent electrolyte stability, and excellent adhesive strength between an uncoated portion coating layer and an uncoated portion, thus enabling a stable coating layer to be formed; a method for coating an uncoated portion of a battery; and an electrode having an uncoated portion that has been coated.
Absstract of: US2025140867A1
Provided herein are an electrode current collector, a method of manufacturing the same, and a lithium battery including the same. The electrode current collector includes a metal substrate and a metal oxide layer on at least one surface of the metal substrate, wherein the metal substrate includes titanium (Ti), and the metal oxide layer includes crystalline titanium oxide (TiO2).
Absstract of: US2025140863A1
Provided are: a secondary battery electrode in which elution of a metal component is suppressed; and a secondary battery using this electrode. This secondary battery comprises a positive electrode and a negative electrode. At least the positive electrode or the negative electrode includes a collector, and a composite layer disposed on a surface of the collector. The composite layer includes an electrode active material containing an elemental metal, a compound having a terminal CN group, an electroconductive material, a water-insoluble additive, and a water-soluble additive. The water-insoluble additive contains a polysaccharide.
Absstract of: US2025137870A1
A hold-down mechanism includes a bearing member, at least two hold-down structures arranged on the bearing member, and a locking structure. The hold-down structures are configured to be movable on the bearing member. During testing, each of the hold-down structures is pressed against a unit under test. If the unit under test has an irregular or uneven surface, a distance D between each hold-down face and the bearing member is changed by moving each of the hold-down structures, such that each hold-down face can abut on the surface of the unit under test. Once in abutting, each of the hold-down structures is locked by the locking structure, such that a curved surface formed by joining the various hold-down faces well fits the surface of the unit under test, achieving effective profiling and ensuring that the entire surface of the unit under test is effectively held down.
Absstract of: US2025137852A1
A temperature sensor comprising a housing that receives a temperature measuring element is provided. The housing includes a polymer composition comprising a polymer matrix that includes a thermotropic liquid crystalline polymer. The polymer composition exhibits a melt viscosity of about 150 Pa−s or less and a deflection temperature under load of about 170° C. or more.
Absstract of: US2025138099A1
The battery system includes a battery and a control device for estimating an SOC of the battery. SOC-OCV properties of the cell have a voltage-flat area. When the control device is activated for the first time, the control device estimates SOC of the cell based on SOC-OCV properties. At this time, when the voltage of the battery is in the voltage flat region (Va≤VB≤Vb), S1 that is the intermediate value of the voltage flat region a is estimated to be SOC of the battery.
Absstract of: US2025138101A1
A battery pack includes: an assembled battery in which power storage devices are connected; a current application line for applying current to the assembled battery; voltage detection lines for detecting voltages of the power storage devices; and a battery monitoring device that measures internal impedances of the power storage devices via the current application line and the voltage detection lines. Each of the power storage devices includes an electrode assembly in which a positive electrode plate and a negative electrode plate are alternately stacked, and an electrode plate on one principal surface of the electrode assembly and an electrode plate on the other principal surface of the electrode assembly have the same polarity, the direction of current that flows through the positive electrode plate is an opposite direction of the direction of current that flows through the negative electrode plate, and each of the power storage devices is stacked.
Absstract of: US2025138104A1
A method, an apparatus and device, and a computer-readable storage medium for detecting Li-plating in a lithium battery. The method for detecting Li-plating in a lithium battery includes: charging and discharging the lithium battery to be detected at a preset current, and collecting correlation parameters of the lithium battery during the charging and discharging; acquiring a current number of charge-discharge cycles of the lithium battery; calculating a plurality of detection scores for detecting whether there is Li-plating in the lithium battery based on the current number of charge-discharge cycles and the correlation parameters; and determining a fused detection score based on the plurality of detection scores, and determining that there is Li-plating in the lithium battery if the fused detection score exceeds a fused detection threshold.
Absstract of: US2025140814A1
An electrochemical device, including a positive electrode plate. The positive electrode plate includes a positive active material layer. When the electrochemical device is in a fully discharged state, an X-ray diffraction pattern of the positive active material layer exhibits a first diffraction peak and a second diffraction peak in a range of 17.8° to 19.2°. A diffraction angle of the first diffraction peak is smaller than a diffraction angle of the second diffraction peak. The electrochemical device achieves an increased energy density and improved cycle performance.
Absstract of: US2025140831A1
A positive active material, including a lithium manganese oxide. An X-ray diffraction pattern of the positive active material exhibits a first diffraction peak in a range of 14.3° to 16.3° and a second diffraction peak in a range of 17.3° to 19.3°. The positive active material of this application achieves a high specific charge capacity and high structural stability, and can increase the energy density and lifespan of the electrochemical device.
Absstract of: US2025140840A1
A cathode active material for a lithium secondary battery has a structure of a lithium-nickel-based oxide. A crystallite size in a (104) plane is in a range from 50 nm to 100 nm, and a slab ratio is in a range from 0.4 to 0.45. An active capacity of the cathode active material can be improved, and an elution amount of doping elements during washing process can be reduced, thereby improving capacity properties of a lithium secondary battery.
Absstract of: US2025140823A1
A positive electrode active material according to one aspect of the present invention may be a lithium composite oxide, and may satisfy Relational Expression 1 below in an XRD pattern obtained through Rietveld fitting as a result of X-ray diffraction (XRD) analysis using a CuKα ray:0.110≤FWHM(104)≤0.170, Relational Expression 1wherein the positive electrode active material according to one aspect of the present invention may include: preparing a first lithium composite oxide by primarily heat-treating a first mixture including the prepared oxide precursor, a lithium-containing compound, and a first cobalt-containing compound.
Absstract of: US2025140853A1
An electrode for a battery comprises a base material and a negative electrode active material layer. A cross section of the negative electrode active material layer parallel to a thickness direction includes a first region and a second region. In the thickness direction, the first region is interposed between the second region and the base material. The first region includes a first active material and a first binder. The second region includes a second active material and a second binder. Either a set of relationships of “A2
Absstract of: US2025140852A1
An all solid battery includes a positive electrode layer that includes a positive electrode active material that is a Co-containing phosphate in which a portion of a Co site is replaced with at least one of Mg, Zn, or Ni, a negative electrode layer that includes a negative electrode active material, and a solid electrolyte layer that is sandwiched by the positive electrode layer and the negative electrode layer.
Absstract of: US2025140904A1
A compound has the formula Li4−xB7−yMyO12−zClw, wherein Li, O, and Cl vacancies are allowed and M is either a one-way, two-way or three-way combination of the following species: Al3+, Fe3+, B3+, La3+, Y3+, Mo3+, Be2+, Si4+, Cr4+, As3+, Mn2+, V2+, Co2+, Ge2+, Fe2+, Mo4+, Mo6+, As3−, Ti2+, P5+, As0+, and wherein 0≤x<2, 0
Absstract of: US2025140923A1
Disclosed are a battery electrolyte solution and a battery. The battery electrolyte solution includes an organic solvent, an additive, and an electrolyte salt, the organic solvent includes an ethyl group solvent, and the additive includes 1,3-propane sultone and a nitrile substance. The electrolyte solution is in contact with a positive electrode plate. Percentages of the ethyl group solvent, the 1,3-propane sultone, and the nitrile substance in a total mass of the electrolyte solution are configured as follows: 0.45−N3≤A+B2+C2≤516−N3. N denotes a peeling strength value of the positive electrode plate, in a unit of gf/mm, A, B, and C denotes a percentage of the mass of the ethyl group solvent, 1,3-propane sultone, and the nitrile substance in the total mass of the electrolyte solution.
Absstract of: US2025140905A1
A deformable halide-based ionic conductor has one of the following formulas: NaLi3I4, NaLi3Br4, NaLi3Cl4, KLi2F3, Li2HfF6, Li3AgI4, Li3SiB3(ClF3)4, Li3AgBr4, Li2ZnF4 having a trigonal crystal structure with space group R-3, Li3AgCl4, or Li2AgCl3. A catholyte includes a deformable halide-based ionic conductor having one of the following formulas: CsLi2Cl3, wherein the CsLi2Cl3 has an orthorhombic crystal structure, KLi2F3, Li2HfF6, Li3SiB3(ClF3)4, Li3AgBr4, Li2ZnF4, Li3AgCl4, or Li2AgCl3. A solid electrolyte separator includes a deformable halide-based ionic conductor having one of the following formulas: CsLi2Cl3, wherein the CsLi2Cl3 has an orthorhombic crystal structure, NaLi3I4, NaLi3Br4, NaLi3Cl4, KLi2F3, Li2HfF6, Li3AgI4, Li3SiB3(ClF3)4, Li3AgBr4, Li2ZnF4, Li3AgCl4, or Li2AgCl3. A solid state battery includes an anode, a cathode, and a solid electrolyte separator including a deformable halide-based ionic conductor having one of the following formulas: CsLi2Cl3, wherein the CsLi2Cl3 has an orthorhombic crystal structure, NaLi3I4, NaLi3Br4, NaLi3Cl4, KLi2F3, Li2HfF6, Li3AgI4, Li3SiB3(ClF3)4, Li3AgBr4, Li2ZnF4, Li3AgCl4, or Li2AgCl3.
Absstract of: US2025140907A1
The present invention provides a ceramic material for a solid-state electrolyte, the ceramic material comprising: a first lithium ion conductor; and a second lithium ion conductor different from the first lithium ion conductor and which is a lithium metal halide.
Nº publicación: US2025138090A1 01/05/2025
Applicant:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Absstract of: US2025138090A1
A battery system may include a plurality of battery packs, a plurality of first relays, each first relay of the plurality of first relays connected between a positive electrode of each respective battery pack of the plurality of battery packs and each respective first node of a plurality of first nodes for each of the plurality of battery packs, a plurality of second relays connected between a negative electrode of the respective battery pack and each respective second node of a plurality of second nodes for each of the plurality of battery packs, a capacitor having both ends connected between a first wiring connected to the plurality of first nodes and a second wiring connected to the plurality of second nodes, a resistor and a switch connected in series between the first wiring and the second wiring, and a plurality of pack battery management systems (BMS).
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