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1333
resultados
Última actualización
25/04/2026 [08:39:00]
Resultados 225 a 250 de 1333
Resumen de: US20260112714A1
A battery management device according to the present disclosure includes: a high-frequency signal supply unit that supplies a high-frequency signal having 0.1 MHz or higher, to a lithium-ion secondary battery; an impedance detection unit that detects a value of a real part of an alternating-current impedance, from the lithium-ion secondary battery to which the high-frequency signal is supplied; a calculation unit that calculates a Li deposition amount in the lithium-ion secondary battery, from the detected value of the real part of the alternating-current impedance; and a control unit that decreases an allowable charging power for the lithium-ion secondary battery as the calculated Li deposition amount is larger.
Resumen de: WO2026081628A1
A battery cell and a manufacturing method therefor, a battery device, and an electric device. The battery cell comprises an electrode sheet and a separator; the electrode sheet comprises a current collector and an electrode film layer located on at least one side of the current collector; the separator comprises a base film and a coating layer located on at least one side of the base film; and the electrode film layer and/or the coating layer comprises a gel region and a non-gel region, and the gel region comprises a gel electrolyte. The battery cell has improved cycle performance.
Resumen de: US20260112719A1
0000 Proposed are an apparatus and a method for inspecting battery cell lead tabs to detect a shape defect or surface defect of a lead tab of a battery cell. The apparatus includes a shape measurement device that measures the shape of a lead tab of a battery cell, and a controller that corrects the tilt of the lead tab from the shape data measured by the shape measurement device and detects a defect in the lead tab.
Resumen de: US20260110749A1
A battery management apparatus according to the present disclosure includes: a temperature detection unit configured to detect a temperature of a lithium-ion secondary battery; a high-frequency signal supply unit configured to supply a high-frequency signal of 0.1 MHz or higher to the lithium-ion secondary battery; an impedance detection unit configured to detect a value of a real part of an AC impedance from the lithium-ion secondary battery to which the high-frequency signal has been supplied; a calculation unit configured to calculate an amount of Li precipitation in the lithium-ion secondary battery from the detected value of the real part of the AC impedance; and a control unit configured to, based on the calculated amount of Li precipitation in the lithium-ion secondary battery, control an allowable charging power for the lithium-ion secondary battery and control an upper limit temperature of the lithium-ion secondary battery.
Resumen de: US20260112790A1
0000 A current collector includes a support layer, a conductive layer, an adhesive layer, and a tab. The support layer is made of an electrically insulating resin composition. The conductive layer includes a body portion and an extension portion. The body portion is laminated on the support layer via the adhesive layer. The extension portion extends from the body portion. The extension portion is laminated on the support layer not via the adhesive layer. The tab is joined to the extension portion.
Resumen de: US20260112630A1
0000 An anode for a lithium secondary battery includes an anode current collector, a first anode mixture layer on at least one surface of the anode current collector, and a second anode mixture layer on the first anode mixture layer. The first anode mixture layer includes natural graphite, the second anode mixture layer includes artificial graphite, and the first anode mixture layer does not include a conductive material. The rapid charging performance of an anode for a lithium secondary battery may be improved.
Resumen de: WO2026081599A1
Provided is a battery cell (5), comprising an electrode assembly (52). The electrode assembly (52) comprises a positive electrode sheet, a negative electrode sheet, a separator, and an electrolyte. The negative electrode sheet comprises a negative electrode current collector and a negative electrode active layer arranged on at least one side of the negative electrode current collector. The negative electrode active layer comprises a negative electrode active material. The negative electrode active material comprises a silicon-based negative electrode material. The electrolyte comprises an additive. The additive comprises fluoroether. Also provided are a battery device comprising the battery cell (5) and an electric device comprising the battery cell (5).
Resumen de: WO2026081990A1
Provided in the present application is a sodium-ion secondary battery. The sodium-ion secondary battery comprises a positive electrode sheet, wherein the positive electrode sheet comprises a positive electrode current collector and a positive electrode film layer arranged on the positive electrode current collector, the positive electrode film layer comprising a positive electrode active material and a binder. The binder comprises a copolymer, and the copolymer comprises a first structural unit as represented by formula I and a second structural unit as represented by formula II, wherein R11, R12, R13, R14, R21, R22 and R23 are each independently selected from hydrogen and an unsubstituted or substituted C1-3 alkyl, with the substituent of the substituted C1-3 alkyl being selected from at least one of an ester group, a carboxyl salt, an acid anhydride, a hydroxyl, an amido and a carboxyl; and R24 is selected from hydrogen, an inorganic cation, and an unsubstituted or substituted C1-3 alkyl, with the substituent of the substituted C1-3 alkyl being selected from at least one of an ester group, a carboxyl salt, an acid anhydride, a hydroxyl, an amido and a carboxyl.
Resumen de: DE102025136909A1
Ein Aktives Material der positiven Elektrode umfasst Sekundärpartikel (2). Jedes der Sekundärpartikel (2) umfasst Primärpartikel (1). Jedes der Primärpartikel (1) umfasst eine Phosphatverbindung vom Olivin-Typ. Ein Teil einer Oberfläche des Sekundärpartikels (2) weist eine Vertiefung (3) auf. An der Vertiefung (3) ist die Oberfläche des Sekundärpartikels (2) in Form einer konkaven Fläche vertieft. Ein Querschnitt des Sekundärpartikels (2) erfüllt die Beziehung „0,41 ≤ Sa/Ca ≤ 0,95“. „Sa“ steht für die Fläche des Querschnitts des Sekundärpartikels (2). „Ca“ steht für die Fläche des kleinsten Umkreises des Querschnitts des Sekundärpartikels (2).
Resumen de: US20260112693A1
0000 Disclosed is a solid argyrodite electrolyte doped with nitrogen (N). In some embodiments, the solid argyrodite electrolyte has a formula (I), Li<7−n+x>PS<6−n−x>N
Resumen de: WO2026084290A1
The present invention relates to a hybrid NV-quantum-sensor-type lithium-ion battery internal-space temperature and pressure sensing and control apparatus and method, comprising a battery temperature sensing NV quantum sensor and a battery pressure sensing NV quantum sensor, the battery internal-space temperature and pressure sensing and control apparatus coming in contact with the outer surface of a lithium ion battery so as to sense and control the current temperature and pressure of the internal space of the lithium ion battery through spin changes of quantum dots centered on NV composed of nitrogen atoms and vacancy defects within a diamond lattice structure.
Resumen de: WO2026081533A1
Provided are a battery cell, an electrode assembly and a manufacturing method therefor, a battery device, and an electric device. The battery cell comprises an electrode assembly, and the electrode assembly comprises a solid-state electrolyte layer, and a first electrode sheet and a second electrode sheet having opposite polarities. The first electrode sheet comprises a first current collecting layer, a first active material layer, and a first insulating layer, in a first direction, at least one side of the first current collecting layer is provided with the first active material layer and the first insulating layer, and in a second direction, both ends of the first active material layer are provided with the first insulating layers. The second electrode sheet comprises a second current collecting layer, a second active material layer, and a second insulating layer, in the first direction, at least one side of the second current collecting layer is provided with the second active material layer and the second insulating layer, and in a third direction, both ends of the second active material layer are provided with the second insulating layers. The solid-state electrolyte layer is arranged between the first electrode sheet and the second electrode sheet in the first direction. The first direction, the second direction, and the third direction intersect in pairs. The battery cell has high reliability.
Resumen de: US20260109067A1
0000 The present disclosure provides a slotting mechanism and a battery production device. The slotting mechanism includes: a base; and a slotting assembly movably provided on the base along a first direction to approach or move away from a cell, and to provide slots positioned radially on an end face of the cell.
Resumen de: US20260112694A1
0000 A polymer electrolyte can be formed from (e.g., by polymerizing) a mixture that includes oligomer(s), additive(s), solvent(s), salt(s), and/or any suitable components. The polymer electrolyte can further or alternatively include monomer(s) (e.g., a stiffening monomer that in solution or incorporated into a cured polymer modifies a mechanical property such as flexural modulus of the battery cell; adhesion monomers such as a monomer that interacts with one or more surface within a battery to modify or improve adhesion of the electrolyte and the surface; etc.).
Resumen de: WO2026084119A1
The present invention relates to a smart battery diagnosis system using AI, the smart battery diagnosis system comprising: a battery module in which a plurality of secondary batteries are arrayed in a unit housing; a sensor unit that detects state information including voltage and temperature of the battery module; and a control unit that diagnoses the state of the battery module by an artificial intelligence module by using information output from the sensor unit, and controls on/off of a unit power switch which is electrically connected to the battery module and is switched on or off, according to the diagnosis result of the state of the battery module.
Resumen de: WO2026084008A1
The present invention is a non-aqueous electrolyte secondary battery including: a negative electrode containing a negative electrode active material having negative electrode active material particles; a positive electrode; and a non-aqueous electrolyte solution containing a non-aqueous solvent and an electrolyte salt, the secondary battery being characterized in that the negative electrode active material particles include an amorphous low-valence nanosilicon oxide having a valence of 3 or less, and the non-aqueous electrolyte solution contains a fluorosilane compound and a nitrile compound. Due to said feature, provided is a non-aqueous electrolyte secondary battery in which cycle characteristics are improved and an increase in internal resistance is suppressed.
Resumen de: WO2026081638A1
A liquid cooling plate welding process control method, a liquid cooling plate structure, and a battery pack. The liquid cooling plate welding process control method is applied to a computer device (401). The computer device (401) is separately communicatively connected a laser welding device (402) and a monitoring device (403). The liquid cooling plate welding process control method comprises: receiving position information sent by the monitoring device (403) which is used for monitoring the position of a liquid cooling plate, and on the basis of the position information, identifying a plurality of welding positions; writing a laser filler wire welding movement path on the basis of the plurality of welding positions; and issuing a start instruction to the laser welding device (402), so that the laser welding device (402) sequentially welds components on the liquid cooling plate on the basis of the laser filler wire welding movement path, so as to form a liquid cooling plate structure.
Resumen de: US20260109621A1
0000 A method for upcycling degraded cathode materials for lithium-ion batteries includes applying a precursor coating layer to degraded cathode particles and sintering the precursor coated degraded cathode particles to simultaneously directly regenerate and convert the coating layer precursor to a lithium oxide or lithium metal oxide coating layer and obtain the upcycled cathode material with improved electrochemical performance.
Resumen de: US20260112673A1
A computer system and method for controlling a power system comprising a fuel cell system and an electric energy storage system is disclosed. The fuel cell system comprising a power conversion and distribution circuitry configured to convert and deliver electric power to an electric energy storage system and to a power consumer. The method for controlling the power system comprises predicting a power request for power delivery from the fuel cell system. The method further comprises monitoring operating voltage of the power system. The method further comprises detecting an upcoming event during which a power capability of the fuel cell system is expected to be insufficient to deliver power in accordance with the power request. The method further comprises determining if a selection criterion for selecting a first operating mode is fulfilled and activating the first operating mode when the selection criterion is fulfilled.
Resumen de: US20260112785A1
A bus bar assembly includes a first circuit board that includes a first circuit on at least one surface of the first circuit board. A second circuit is provided on a surface of the first circuit board and electrically connected to the first circuit board. A second circuit is printed on two surfaces of the second circuit board.
Resumen de: WO2026082373A1
The invention relates to a method for producing a battery tray (1) of a traction battery (2), in particular a lithium-ion traction battery, for a mobile work machine, in particular an industrial truck, wherein the battery tray (1) is at least partially filled with a ballast filling (3), wherein the ballast filling (3) comprises a ballast material (3a) and a bonding substance (3b). The method comprises the steps of: providing the battery tray (1) and the ballast filling (3); filling the battery tray (1) with the ballast filling (3), wherein at least two filling steps (B1, B2, B3) are carried out, wherein, in each of the multiple filling steps (B1, B2, B3), the ballast material (3a) and the bonding substance (3b) are each filled sequentially into the battery tray (1), wherein first ballast material (3a) and subsequently bonding substance (3b) is filled into the battery tray (1); compressing the ballast filling (3); and setting the ballast filling (3) to form a laminate material.
Resumen de: WO2026084179A1
A cell block according to an embodiment of the present invention includes: a cell assembly that includes a plurality of battery cells and has anti-corrosion layers on surfaces thereof; a lower housing that has a space therein to accommodate the cell assembly; a coolant accommodated in the lower housing; an upper housing that is mounted on an upper portion of the lower housing and includes at least one venting hole; and a sealing bracket that is interposed between the lower housing and the upper housing and seals a space between the outer surface of the cell assembly and the inner surface of the lower housing.
Resumen de: US20260112624A1
0000 A positive electrode active material comprises secondary particles, wherein each of the secondary particles includes primary particles, each of the primary particles includes an olivine-type phosphate compound, and in a scanning electron microscope image of the secondary particle, a proportion of the primary particles each having a touching angle of 90° or less to the primary particles each having a maximum Feret diameter of 100 nm or more is 40% or more.
Resumen de: DE102024137817A1
Ein beispielhaftes Energiespeichersystem für ein Elektrofahrzeug umfasst ein erstes Batteriepack mit einer ersten zur Energiespeicherung bestimmten chemischen Zusammensetzung, das elektrisch in Reihe mit einem zweiten Batteriepack mit einer zweiten zur Energiespeicherung bestimmten chemischen Zusammensetzung gekoppelt ist. Eine Ladeschaltung ist elektrisch mit dem ersten Batteriepack und dem zweiten Batteriepack gekoppelt und umfasst mehrere Schalter und eine Gleichspannungssteuerung (DC-DC-Steuerung), die dazu ausgelegt ist, eine aktuelle Temperatur der Batteriepacks zu ermitteln, als Reaktion darauf, dass die aktuelle Temperatur unter einem unteren Temperaturschwellenwert liegt, die mehreren Schalter in einem Wechselstromheizmodus (AC-Heizmodus) zu betätigen, um eine Temperatur von mindestens einem der Batteriepacks zu erhöhen, und als Reaktion darauf, dass die aktuelle Temperatur über einem oberen Temperaturschwellenwert liegt, die mehreren Schalter in einem Energieverschiebungsmodus zu betätigen, um einen Ladezustandswert (SoC-Wert) von mindestens einem der Batteriepacks zu ändern.
Nº publicación: US20260112684A1 23/04/2026
Solicitante:
TOYOTA JIDOSHA KK [JP]
Resumen de: US20260112684A1
0000 The present disclosure relates to a positive electrode active material for a lithium-ion secondary battery. The positive electrode active material for a lithium-ion secondary battery according to the present disclosure contains secondary particles. The secondary particle includes three or more primary particles. The secondary particles are provided by two-dimensionally arranging three or more primary particles.
BOPI
Sede Electrónica
