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1369
results.
Updated on
24/10/2026 [08:31:00]
Results 100 to 125 of 1369
Absstract of: US20260330888A1
In a method for transmitting and receiving fault detection counter (FDC) information for a diagnostic trouble code (DTC) and a battery system using the method, the method for transmitting and receiving FDC information for a DTC by a battery system includes: receiving a request message; and transmitting a response message corresponding to the request message, wherein a data information area of the request message includes a data delimiter and diagnostic information data, the data delimiter is a first type for requesting a read of an FDC corresponding to each of at least one piece of DTC information included in the request message, or a second type for requesting a read of a plurality of FDCs according to a bitmap, and the bitmap is a list in which a plurality of pieces of DTC diagnostic information match a plurality of bits constituting the diagnostic information data.
Absstract of: US20260331560A1
An electrode assembly arranged in the housing of the battery cell includes: a first contact foil on a first side of a solid electrolyte, a second contact foil on a second side of the solid electrolyte, and a first electrode layer between the solid electrolyte and the first contact foil. The electrode assembly is charged by applying a first voltage to the contact foils such that ions are deposited from the first electrode layer onto the second contact foil to form a second electrode layer between the second contact foil and the solid electrolyte. A cut-off voltage is set at which the second electrode layer is maintained between the second contact foil and the solid electrolyte in order to set a minimum pressure in the battery cell.
Absstract of: US20260327946A1
0000 Provided is an electrically driven work machine capable of increasing estimation accuracy of a remaining charge time or a remaining discharge time of a secondary battery. An electrically driven excavator includes a secondary battery, a battery management unit, and a vehicle control unit. The vehicle control unit predicts a transition of a temperature of the secondary battery on the basis of the temperature and a state of charge of the secondary battery detected by the battery management unit, predicts a transition of a current of the secondary battery on the basis of the predicted transition of the temperature of the secondary battery, and estimates the remaining charge time or the remaining discharge time of the secondary battery on the basis of the predicted transition of the current of the secondary battery.
Absstract of: US20260331592A1
An electrode assembly has a structure, in which a negative electrode, a separator, and a positive electrode are wound in a stacked state, and a middle center hole, the electrode assembly including: a negative electrode wound in a state a negative electrode tab is bonded to a predetermined position; and a positive electrode having an inner end closer to the center hole and an outer end farther from the center hole as an opposite end of the inner end, wherein the negative electrode, the separator, and the positive electrode are wound so that an inner end of the negative electrode is disposed closer to the center hole than the inner end of the positive electrode, and when a virtual line is drawn from the inner end of the positive electrode to a center point of the center hole, the virtual line passes through the negative electrode tab.
Absstract of: US20260331486A1
A cathode for a lithium secondary battery according to exemplary embodiments may include a cathode current collector; and a cathode active material layer formed on the cathode current collector and including over-lithiated oxide particles. An electrochemically active surface area of the cathode may be 0.5 m2/g to 2.5 m2/g.
Absstract of: US20260331933A1
An energy storage apparatus includes a cell, a changeover circuit located on a current path of the cell, and a control device. The changeover circuit is a circuit that switches output impedance Z of the energy storage apparatus, and the control device switches output impedance of the energy storage apparatus by using the changeover circuit.
Absstract of: US20260327405A1
A two-component composition, including between 3 and 15 wt.-% of at least one organic polymer containing reactive silane groups, between 70 and 92 wt.-% of at least one filler, between more than 0 to 2 wt.-% of drying agent, between more than 0 to 2 wt.-% of retarder, optionally at least one plasticizer, optionally additional organosilanes, optionally at least one catalyst for the curing of silane-functional polymers, wherein the drying agent is propyltrimethoxysilan and that the retarder is selected from the list consisting of phenylmethoxysilan, vinyltrimethoxysilan, octyltrimethoxysilan, propytrimethoxysilan, and any mixture of these retarders. The two-component composition can be formulated to show excellent thermal conductivity and is particularly suitable for battery and electronics assembly and at the same time offers long open time and fast curing behavior.
Absstract of: US20260327082A1
The present invention relates to a heat control member including a wet gel blanket, and a battery including the heat control member.
Absstract of: US20260332014A1
0000 An electric device includes: an electromagnetic induction coil; an elastic body containing a magnetized magnetic powder and configured to generate a magnetic field passing through the electromagnetic induction coil and to change a magnetic flux density of the magnetic field when elastically deformed by receiving an external force; a rectifier unit configured to rectify an induced current induced in the electromagnetic induction coil by a change in the magnetic flux density; a load unit configured to operate by receiving the induced current from the rectifier unit; and a case accommodating the electromagnetic induction coil and the elastic body and being extensible and contractible together with the elastic body.
Absstract of: US20260327091A1
The present invention relates to a method for manufacturing a secondary battery and a secondary battery. A method for manufacturing a positive electrode active material with high charge and discharge capacity is provided. A method for manufacturing a positive electrode active material with high charging and discharging voltages is provided. A method for manufacturing a positive electrode active material with little deterioration is provided. The positive electrode active material is manufactured through a step of forming a composite oxide that contains lithium, nickel, manganese, cobalt, and oxygen; and a step of mixing the composite oxide and a calcium compound, and then heating the mixture at a temperature higher than or equal to 500 ° C and lower than or equal to 1100 ° C for 2 hours to 20 hours. By the heating, calcium is distributed at a preferred concentration in a surface portion of the positive electrode active material.
Absstract of: US20260328851A1
0000 A battery management system includes a sensing unit to generate a sensing signal indicating a battery voltage and a battery current of a battery, a memory unit to store a charge map recording a correlation between first to n
Absstract of: US20260325900A1
A fire-extinguishing material includes a base material and a fire-extinguishing agent layer formed on at least one surface of the base material. The fire-extinguishing agent layer contains a fire-extinguishing agent and a binder resin, in which the content of the fire-extinguishing agent in the fire-extinguishing agent layer is 60% by mass to 98% by mass relative to the mass of the fire-extinguishing agent layer, and the tensile elongation at break of the binder resin is 45 mm or more.
Absstract of: US20260326391A1
0000 A method for making a tray assembly includes positioning a first component adjacent to a second component. The second component has a lower portion positioned adjacent to the first component and an upper portion spaced from the first component. A top surface of the lower portion is positioned below a top surface of the first component, and a top surface of the upper portion is adjacent to the top surface of the first component such that a gap is defined along the lower portion of the second component beneath the top surfaces of the first component and the upper portion of the second component. The method includes filling the gap with an adhesive and then compressing a pad toward the adhesive such that a continuous top surface of the adhesive extends between the top surfaces of the first component and the upper portion of the second component.
Absstract of: US20260331661A1
A lithium ion battery including an accommodation case accommodating a battery unit having a positive electrode, a negative electrode, and a separator, and an electrolytic solution containing a lithium salt. A Ni-plated steel sheet or a laminated steel sheet is used as a material of the case. The battery includes, on the case, a first sealing portion being a sealing portion between a main body part and a lid part, and a second sealing portion being a sealing portion between a liquid pouring port lid for sealing a liquid pouring port provided to the lid part and used for pouring the electrolytic solution into the accommodation case, and the lid part exists. A coating film part contains a Ca compound, an Al compound, and a La compound exists on a portion with a content of Fe of 80 mass % or more, of the first sealing portion or the second sealing portion.
Absstract of: US20260327741A1
Provided is a method for recovering nickel, cobalt, and manganese from compounds including metal oxides of nickel, cobalt, and manganese in such a manner that a recovered material contains a low concentration of manganese and high concentrations of nickel and cobalt.The method for recovering nickel, cobalt, and manganese includes a mixing step of mixing compounds including a metal oxide of nickel, a metal oxide of cobalt, and a metal oxide of manganese, with a reducing agent to form a mixture; and a heating step of heating the mixture to produce a first product and a second product having a higher manganese concentration than the first product. The reducing agent used in the mixing step is at least one reducing agent selected from carbon reducing agents containing carbon as a constituent element, silicon reducing agents containing silicon as a constituent element, and aluminum reducing agents containing aluminum as a constituent element. The reducing agent is used in an amount satisfying a predetermined range.
Absstract of: US20260327092A1
A method for recovering elements from a waste material is disclosed, such as a black mass from spent Li-ion batteries, comprising thermally treating a solid waste material comprising carbon, at least one alkali metal, and one or more of a transition metal and a transition metal oxide, dissolving the thermally treated solid waste material in a solvent to form a dissolved waste material solution, removing the at least one alkali metal from the dissolved waste material solution to form an initial leaching solution, leaching the at least one transition metal to form a pre-purified leaching solution, and removing impurities from the pre-purified leaching solution to form a purified leaching solution. Precipitating transition metal particles from the purified leaching solution and forming a mixed metal oxide particle from the recovered lithium and precipitated transition metal particles is also disclosed.
Absstract of: US20260331659A1
A disclosed battery includes: a battery can of a bottomed tubular shape having an opening at one end; an electrode group housed in the battery can, and having a first electrode and a second electrode; an electrode terminal penetrating the bottom of the battery can, and insulated from the battery can; and a sealing plate sealing the opening of the battery can. The electrode terminal is electrically connected to the first electrode. The battery can is electrically connected to the second electrode.
Absstract of: US20260331485A1
0000 Disclosed is a method of preparing an electrode for an alkali metal ion secondary cell, the method may include: mixing polyacrylonitrile, or a copolymer of acrylonitrile and at least one other monomer, or a blend of either of the foregoing with one or more other polymers, with a first organic solvent and an electrochemically active material, to form an electrode precursor composition; forming an electrode precursor from the electrode precursor composition; and forming an electrode by exposing the electrode precursor to an alkali metal salt.
Absstract of: US20260331696A1
0000 The present application provides a battery case, a battery, and a battery pack. The battery case includes a bottom plate and an enclosure plate, the enclosure plate and the bottom plate together define a receiving chamber with an opening, and the opening is disposed opposite to the bottom plate. The bottom plate has a center point and an explosion-proof score, the explosion-proof score has an inner edge closest to the center point and an outer edge farthest from the center point. A distance between the inner edge and the center point is greater than or equal to ½ of a radius of the bottom plate, and a distance between the outer edge and the center point is less than or equal to ⅘ of the radius of the bottom plate.
Absstract of: US20260331465A1
A negative electrode active material contains: a silicon-based active material (A) containing SiOx (in the formula, x is a number satisfying 0.5≤x≤1.6); a carbon-based active material (B) composed of secondary particles formed by aggregation of primary particles; and a carbon-based active material (C) composed of primary particles that do not form secondary particles. D10A is 3 μm or more, and if the maximum value of D10 among values of D10A, D10B, and D10C is defined as D10max, and the minimum value is defined as D10min, the value of D10max/D10min is 2.5 or less. If the maximum value of D90 among values of D90A, D90B, and D90C is defined as D90max, and the minimum value is defined as D90min, the value of D90max/D90min is 2.0 or less.
Absstract of: US20260331685A1
0000 A battery module includes a cell assembly including a plurality of battery cells stacked on each other; a module case configured to store the cell assembly in an inner space and having a venting hole formed thereon; and a cover member including a plurality of fire-resistant layers each having a discharge slot and coupled to the outer surface of the module case such that the venting hole and the discharge slot communicate with each other. The discharge slot of one fire-resistant layer and the discharge slot of the other fire-resistant layer facing the same may be formed to extend in directions in which they intersect each other. The venting hole may be formed so as not to overlap the intersection of the discharge slots.
Absstract of: US20260331624A1
0000 A battery pack includes a first battery module including a plurality of first battery cells; a second battery module including a plurality of second battery cells; a pack housing including an accommodation part in which the first battery module and the second battery module are accommodated together; a partition part that defines an inner wall of the accommodation part; and a pack battery management system (BMS) that controls available capacity of the first battery module and available capacity of the second battery module to be the same as or similar to each other, where the first battery module is cooled by the second battery module.
Absstract of: US20260328855A1
A battery management apparatus includes a measuring unit configured to measure a temperature and a voltage of each battery cell of a plurality of battery cells and a controller configured to generate first information of each of the battery cells of the plurality of battery cells, based on whether the plurality of battery cells are being charged or discharged, a time-specific temperature of each of the battery cells of the plurality of battery cells, and a time-specific voltage of each of the battery cells of the plurality of battery cells and determine a deteriorated battery cell among the plurality of battery cells, based on the first information of each of the battery cells of the plurality of battery cells.
Absstract of: US20260331609A1
Embodiments of the present application provide a method and apparatus for controlling a battery, which may improve the reliability of supplying power to an electric device by the battery. The method for controlling a battery is applicable to a battery management system, and comprises: sending first state information, where the first state information is configured to indicate that a battery is in a first abnormal state; and receiving first control information, where the first control information is determined based on the first state information and configured to instruct the battery management system to control the battery to be in a closed state in a first time period.
Nº publicación: US20260326617A1 22/10/2026
Applicant:
BAYERISCHE MOTOREN WERKE AG [DE]
Bayerische Motoren Werke Aktiengesellschaft
Absstract of: US20260326617A1
0000 The present disclosure relates to a motor vehicle and a method for operating a motor vehicle, having a traction battery, having a charging device for charging the traction battery with alternating current, and an ambient heat exchanger of a cooling circuit of a cooling device through which different cooling circuits can be formed, wherein during charging of the traction battery by the charging device, a charging cooling circuit is formed as one of the cooling circuits through which charging cooling circuit heat is absorbed from a charging heating element connected in a heat-conducting manner to the charging device and is transferred to a traction heating element connected in a heat-conducting manner to the traction battery and there is no heat exchange with the ambient heat exchanger.
BOPI
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