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746
results.
Updated on
21/08/2026 [07:19:00]
Results 500 to 525 of 746
Absstract of: US20260237815A1
A battery module includes a housing, a plurality of secondary batteries housed in the housing, a fluid contained in the housing such that the plurality of secondary batteries is submerged in the fluid, and a pressurizer configured to apply pressure to the fluid. A method for controlling a battery module is also provided.
Absstract of: US20260237653A1
0000 The present invention relates to a sodium-ion battery comprising positive electrode compositions possessing improved battery performance and moisture and air stability. The positive electrode composition having a general formula Na
Absstract of: US20260237585A1
Apparatuses and methods for an optimized battery disconnect unit are disclosed. In a particular embodiment, a battery disconnect unit includes a housing; a configuration contactor disposed within the housing; a combined contactor and pyrofuse assembly disposed within the housing and electrically coupled to the configuration contactor; a battery charge contactor disposed within the housing and electrically coupled to the combined contactor and pyrofuse assembly; and a bus bar assembly. In some examples, the bus bar assembly is tiered.
Absstract of: US20260237799A1
0000 A pouch film laminate according to the present disclosure includes a first base material layer, a second base material layer, a gas barrier layer, and a sealant layer which are sequentially laminated. The moisture content per unit weight of the pouch film laminate is 1,000 ppm or more. In the pouch film laminate, the second base material layer has a melting temperature of 240° C. or higher, and the gas barrier layer has a thickness of 45 μm to 100 μm. A pouch type battery case comprising the pouch film laminate, and a secondary battery comprising the pouch type secondary battery case are also disclosed.
Absstract of: US20260237834A1
A gasket is provided that enables not only reducing a reaction force in an in-use state and reducing a decrease in sealing performance, but also reducing a decrease in sealing performance relative to a high-temperature gas. A gasket (1) is a gasket made of a porous body of an elastomer that seals a 300° C. gas.
Absstract of: US20260237839A1
0000 The present invention relates to a gas outlet plate (1) having gas outlet flaps (3) with adjustable pressure release as a safety device for a battery module in the event of thermal runaway of a battery cell (6) for discharging the hot gas flow from the cell region of the module, wherein the gas outlet plate (1) has a base plate (2) which is composed of a high temperature-resistant material and in which an arrangement of adjustable gas outlet flaps (3) is inserted, wherein the gas outlet flaps (3) have a free circumference (4), which defines the foldable region, and a bending edge (5), via which the gas outlet flaps (3) are connected to the base plate (2), and open when struck by a hot gas flow, and to the use of the gas outlet plate (1) for producing a battery module, and to a battery module having a gas outlet plate (1).
Absstract of: US20260233173A1
0000 A polyolefin microporous membrane containing a polyolefin, having a Gurley value of 0.01 seconds/100 mL or more and 20 seconds/100 mL or less, a thickness of 25 μm or more and 150 μm or less, a porosity of 80% or more and 98% or less, and an average pore size of 0.30 μm or more and less than 0.60 μm.
Absstract of: US20260237717A1
0000 A secondary battery manufacturing system includes a first electrode cutter configured to cut a first electrode sheet unwound from a first electrode roll to provide a plurality of first electrodes, a second electrode cutter configured to cut a second electrode sheet unwound from a second electrode roll to provide a plurality of second electrodes, a third electrode cutter configured to cut a third electrode sheet unwound from a third electrode roll to provide a plurality of third electrodes. An electrode identifier (ID) reader is configured to sense an electrode ID of an electrode tab of the first, second or third electrodes selected from among the plurality of first electrodes, the plurality of second electrodes, and the plurality of third electrodes, and a controller configured to collect coordinate-related electrode ID data, based on a first input amount of the first electrode sheet, a second input amount of the second electrode sheet, a third input amount of the third electrode sheet, and an electrode ID sensing signal.
Absstract of: US20260237627A1
A method of processing metal foil web material into an electrode web includes operating a die coater to coat the metal foil web material with an active material layer on the metal foil web material, supplying a first portion of metal foil web material from a first supply roll to the die coater, providing a second supply roll carrying a second portion of the metal foil web material, providing an adhesive to a leading end of the second portion of the metal foil web material, applying the leading end of the second portion to a section of the first portion such that the adhesive is sandwiched between the first portion and the second portion, and severing the first portion from the first supply roll at or behind the adhesive.
Absstract of: US20260237712A1
0000 A flexible device for manufacturing battery packs, according to an embodiment of the present inventive concept, comprises: a circulation transfer unit which transfers a transfer plate along a circular trajectory; a holder assembly unit disposed at a side of the trajectory of the circulation transfer unit to assemble holder assemblies and seat same on the transfer plate or battery cells; a cell supply unit which is disposed at a side of the trajectory of the circulation transfer unit and seats battery cells on the holder assemblies transferred through the transfer plate; and a conductive plate assembly unit which is disposed at a side of the circulation transfer unit and assembles a conductive plate on the holder assemblies seated on the upper part and the lower part of the battery cells.
Absstract of: US20260237711A1
A flexible manufacturing device for a battery pack according to an embodiment of the present inventive concept includes: a unidirectional transfer part for transferring a transfer plate from one side to the other side thereof; a first holder assembling part which is disposed on a side surface of the unidirectional transfer part, and assembles a holder assembly and then seats same on the transfer plate; a cell supply part which is disposed on the side surface of the unidirectional transfer part and seats a battery cell on the holder assembly transferred through the transfer plate; a second holder assembling part which is disposed on the side surface of the unidirectional transfer part, and assembles a holder assembly and then seats same on the upper part of the battery cell; and conductive plate assembling parts which are disposed on the side surface of the unidirectional transfer part, and couple conductive plates to the holder assemblies seated on the upper part and the lower part of the battery cell.
Absstract of: US20260237557A1
A power storage unit includes a circuit board, a first cell holder, a second cell holder, a first capacitor cell, a second capacitor cell, and a lead holder. The first capacitor cell includes a first cell body including a first end face, and a first lead that is drawn from the first end face and inserted through the circuit board. The second capacitor cell includes a second cell body including a second end face, and a second lead that is drawn from the second end face and inserted through the circuit board. The lead holder includes a first holder that is in contact with the first lead, and a second holder that is in contact with the second lead.
Absstract of: US20260233956A1
0000 A method for joining first and second electrode webs including providing a first free end of a first electrode web, providing a second free end of a second electrode web at the first free end, unwinding a first adhesive tape from a first feeding coil along a first unwinding path, the first adhesive tape including an unwound first piece between a first part upstream and a second part downstream along the first unwinding path, cutting away from the first piece an inner portion separating the inner portion from a residual edge portion extending along the first unwinding path to keep the first part in connection with the second part, the inner portion forming a first adhesive patch, applying the first adhesive patch at both the first free end and second free end, winding the residual portion on a first winder positioned downstream of the first feeding coil.
Absstract of: US20260237779A1
Systems, apparatuses, and methods are described for managing temperature of a rechargeable battery between multiple available states of heating. Different thresholds may be used for turning on, and turning off, one or more heating elements associated with the rechargeable battery, and/or for otherwise changing states of the one or more heating elements.
Absstract of: US20260235679A1
A cell monitoring device is provided for use with an electric battery cell while the cell is electrically coupled to the device and undergoing maturation in a controlled environment, after being initially charged. The device repeatedly obtains voltage measurements of the electric battery cell at a sampling rate, calculates a rate of change for voltage based on the voltage measurements relative to the sampling rate, and evaluates the obtained voltage measurements and the calculated rate of change, using a model comprising at least one voltage-dependent function and defined for the cell according to that cell's manufacturing specification, to determine whether the cell deviated from the manufacturing specification or reached a predetermined stage of maturation for removing the cell from the controlled environment. Upon determining that the electric battery cell deviated from the manufacturing specification or reached the predetermined stage of maturation, the device generates a corresponding alert.
Absstract of: US20260237756A1
0000 The present disclosure includes a method for preparing particles comprising MnO<2>. For example, the method may comprise reacting a manganese (II) salt with an oxidizing agent in an aqueous environment at a pressure lower than about 0.2 MPa and a temperature of from about 40° C. to about 100° C. The MnO<2 >particles may be useful, for example, as a cathode active material in electrochemical cells, such as those comprising a mildly acidic electrolyte. The present disclosure also includes rechargeable electrochemical cells comprising useful aqueous electrolytes.
Absstract of: US20260237736A1
The technology of the present disclosure generally relates to the field of power storage devices, and more specifically to a solid electrolyte, an electrode, a solid-state battery, and a method for producing the same. The solid electrolyte of the present disclosure comprises a porous composite network network obtained by a reaction of an alkoxide compound and a polymer precursor compound; wherein the alkoxide compound is selected from the group consisting of silica alkoxide, alumina alkoxide, zirconium alkoxide, and mixtures thereof; wherein the polymer precursor compound comprises two functional end groups of which at least one functional end group is selected from the group consisting of alkoxysilane, alkoxy aluminium, alkoxy zirconium, and combinations thereof; wherein the polymer precursor compound comprises polyethylene glycol (PEG) and/or polytetrahydrofuran (PTHF); wherein the porous composite network is functionalised with an electrolyte comprising an ionically conductive compound in which a metal salt is dissolved; and wherein the porous composite network comprises clay mineral particles, preferably clay mineral nanoparticles.
Absstract of: US20260237685A1
A cylindrical battery comprises a wound electrode body in which a positive electrode and a negative electrode are wound spirally with a separator interposed therebetween. The negative electrode comprises a negative electrode core body, a negative electrode lead joined to a winding-start-side end portion of the negative electrode core body, and a negative electrode mixture layer formed on the winding end side relative to the negative electrode lead. The negative electrode core body (core body exposed portion) includes a folded portion that is folded in a Z-shape between the negative electrode lead and a winding-start-side end of the negative electrode mixture layer.
Absstract of: US20260237748A1
Cylindrical battery including: an electrode body having a positive electrode, having a positive electrode core body and positive electrode mixture layer, and a negative electrode, having a negative electrode core body and negative electrode mixture layer, with a separator therebetween. In a case where the number of windings of the negative electrode is counted from the side where the winding starts on the basis of a range, of the negative electrode, opposing the positive electrode via the separator, the negative electrode is wound ten or more times, and in the negative electrode mixture layer, a first mixture layer region, which is located in a winding 25% to 35% through the total number of windings of the negative electrode, has a low-density region, in the negative electrode mixture layer, which has a lower density than a second mixture layer region located on the outside of the first mixture layer region.
Absstract of: US20260237750A1
This secondary battery includes an electrode body in which a positive electrode and a negative electrode are spirally wound with a separator therebetween. The positive electrode has positive electrode tabs protruding in one direction from the electrode body. The negative electrode includes a non-facing section which does not face the positive electrode via the separator on the winding inner side. The non-facing section has a negative electrode mixture layer which has a different coating lengths in the longitudinal direction, and in which a minimum coating length section and a maximum coating length section are formed.
Absstract of: US20260237831A1
A battery pack includes a plurality of secondary battery cells and a plurality of battery holders, each of which stores the plurality of secondary battery cells and the lead plates. The plurality of battery holders are coupled in such an orientation that end faces of adjacent battery holders face each other to form a battery module, and a gas discharge space is defined between the end faces, which face each other, of the battery holders. Each of the battery holders includes a holder tube that stores the secondary battery cells, and a holder lid that closes an end of the holder tube. The lead plates are disposed on an inner face of the holder lid, and the holder lid is made of a material having higher heat resistance than that of the holder tube.
Absstract of: US20260235691A1
0000 A battery diagnosis apparatus includes an information obtaining unit configured to obtain current data of a battery cell and a controller configured to obtain the current data during a constant voltage charging period of the battery cell, set a first timepoint at which the current data is obtained and a second timepoint at which the current data is obtained after an elapse of a predetermined time from the first timepoint, and determine a state of the battery cell based on a first current value at the first timepoint and a second current value at the second timepoint.
Absstract of: US20260234020A1
The electrode for an all-solid-state secondary battery is an electrode for an all-solid-state secondary battery, the all-solid-state secondary battery having a solid electrolyte layer, the electrode including a molded body made of an electrode mixture containing an electrode active material, a conductive assistant, and a solid electrolyte, wherein the electrode active material has a particle size D90 of 1.5 μm or less, and 0.4≤B/A≤1.5 is satisfied, where A (μm) is an average particle size D50 of the electrode active material, and B (μm) is an average particle size D50 of the conductive assistant. Also, the all-solid-state secondary battery according to the present invention includes: a positive electrode; a negative electrode; and a solid electrolyte layer interposed between the positive electrode and the negative electrode, wherein at least one of the positive electrode and the negative electrode is the electrode for an all-solid-state secondary battery.
Absstract of: US20260234032A1
The present disclosure generally relates to apparatuses and methods for extraction of ions, including lithium ions. For example, certain aspects are generally directed to electrochemical ion exchange techniques, in which ion exchange is driven by electricity. In some embodiments, a fluid rich in target ions (e.g., a feed solution) may be present in a compartment containing a target-ion selective electrode, and target ions from the fluid may be incorporated into the electrode, e.g., by applying a suitable current to drive ion exchange. At a second time, the target ions may be removed from the electrode, e.g., into a fluid poor in target ions (e.g., a recovery solution), for example, by applying a suitable current to drive ion exchange. In addition, certain embodiments are generally directed to a stack of such compartments.
Nº publicación: US20260237629A1 13/08/2026
Applicant:
PANASONIC ENERGY CO LTD [JP]
Panasonic Energy Co., Ltd.
Absstract of: US20260237629A1
A compound sheet molding apparatus includes: a reservoir of a dry electrode compound; a granulation unit that crushes an aggregate of the dry electrode compound contained in the reservoir; and a molding unit that includes a first molding roll and a second molding roll adjacent to each other at a predetermined interval, the dry electrode compound crushed by the granulation unit being supplied to a gap between the first and second molding rolls, and the molding unit compressing the dry electrode compound into a sheet shape to mold a compound sheet.
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