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885
resultados
Última actualización
24/04/2026 [07:20:00]
Resultados 25 a 50 de 885
Resumen de: DE102024130117A1
Ein dielektrischer Dünnfilm für eine Festkörper- oder Halbfestkörper-Lithiumbatterie, wobei der dielektrische Dünnfilm zwischen einer negativen Elektrode und einer positiven Elektrode der Lithiumbatterie angeschlossen ist. Der dielektrische Dünnfilm umfasst eine erste Filmschicht, welche mit der positiven Elektrode in Verbindung steht, eine dritte Filmschicht, welche mit der negativen Elektrode verbunden ist und eine zweite Filmschicht, welche zwischen der ersten Filmschicht und der dritten Filmschicht angeschlossen ist. Die erste Filmschicht umfasst ein erstes Polymermaterial und ein erstes Lithiumsalz. Die zweite Filmschicht umfasst ein zweites Polymermaterial, ein zweites Lithiumsalz und eine zweite anorganische Keramikstruktur. Die dritte Filmschicht umfasst ein drittes Polymermaterial, ein drittes Lithiumsalz und eine dritte anorganische Keramikstruktur.
Resumen de: US20260106136A1
A positive electrode active material may include a first positive electrode active material having an average particle diameter (D50) in a range of 11 μm to 20 μm and in a form of secondary particles in which a plurality of primary particles are agglomerated; a second positive electrode active material having D50 in a range of 5 μm to 10 μm and in a form of secondary particles in which a plurality of primary particles are agglomerated; and a third positive electrode active material having D50 in a range of 1 μm to 7 μm and in a form of single particles; wherein the third positive electrode active material is in an amount in a range of 5 wt % to 20 wt % based on 100 wt % of the first positive electrode active material, the second positive electrode active material, and the third positive electrode active material.
Resumen de: US20260106156A1
0000 An anode active material layer according to embodiments of the present disclosure includes an anode active material, a first binder including a polymer of an epoxy-based binder or an acrylate-based binder, and a second binder including a binder having a hydroxyl group or a carboxyl group. The content of the first binder is 0.1 wt % to 1 wt % based on the total weight of the anode active material layer. The adhesion strength of the anode active material layer may be improved without degrading the electrical properties of the anode.
Resumen de: US20260106204A1
The present disclosure provides a deviation correction system and a method of correcting a deviation by using the same. A deviation correction apparatus may include a heater for heating an electrode plate of a secondary battery having an active material layer on a current collector, a spiral roller having a spiral protrusion, and a base roller facing and spaced apart from the spiral roller. The spiral roller and the base roller may be configured so that the electrode plate may be inserted between and may be moved between the spiral roller and the base roller.
Resumen de: US20260106347A1
To provide an inspection unit capable of improving contact reliability between an electrode terminal of a battery and a probe pin. An inspection unit according to the present disclosure contacts an electrode terminal of a battery to inspect its performance. The unit comprises a plurality of probe pins, a socket housing the plurality of probe pins to be movable by a first distance in an axial direction, and a housing housing the socket to be movable by a second distance in the axial direction. The unit further includes a biasing member disposed inside the housing that biases the socket so a part of the socket protrudes from an opening in the housing, and elastic portions disposed inside the socket that elastically deform to move each probe pin independently in the axial direction.
Resumen de: US20260106225A1
A lithium battery with a battery electrolyte having a plurality of linear alkyl carbonates, a fluorinated solvent, and an acetate. The volume percentages of these electrolyte components meet one or more relational conditions.
Resumen de: US20260106153A1
0000 A negative electrode active material for a rechargeable lithium battery and a rechargeable lithium battery including the negative electrode active material are provided. The negative electrode active material for a rechargeable lithium battery includes graphite and an amorphous carbon-containing layer surrounding the graphite. The amorphous carbon-containing layer includes a first region and a second region, which have different R values of Equation 1 (R value=I
Resumen de: US20260106176A1
0000 A current collector includes a support layer, a first electrically conductive layer, and a first adhesion layer. The support layer is composed of a resin composition having electric insulation. The first electrically conductive layer is laminated on the support layer through the first adhesion layer. The first electrically conductive layer includes a first surface. The first surface faces the first adhesion layer. The first surface has been subjected to a chemical surface roughening treatment.
Resumen de: US20260106154A1
0000 A positive electrode for a rechargeable lithium battery includes a positive electrode current collector and a positive electrode mixture layer on the positive electrode current collector, wherein the positive electrode mixture layer includes a positive electrode active material and a binder including a hydrogenated carboxylated nitrile butadiene rubber. The hydrogenated carboxylated nitrile butadiene rubber includes, based on a total weight of 100 wt % of the hydrogenated carboxylated nitrile butadiene rubber: about 20 wt % to about 40 wt % of a first structural unit derived from acrylonitrile; about 30 wt % to about 78 wt % of a second structural unit including a hydrogenated butadiene-derived structural unit and a butadiene-derived structural unit; about 2 wt % to about 10 wt % of a third structural unit derived from an acrylate; and about 0 wt % to about 20 wt % of a fourth structural unit derived from butene.
Resumen de: US20260106145A1
A compound for use in a lithium, manganese-rich cathode for a Li-ion battery is Li1.2Ni0.2Mn0.6O2 triple doped with Na+, Co3+, and Mg2+. A lithium, manganese-rich cathode for an Li-ion battery includes the aforementioned compound. A lithium-ion battery includes an anode, a cathode, and an electrolyte, wherein the cathode is the aforementioned lithium, manganese-rich cathode.
Resumen de: DE102024129950A1
Die Erfindung betrifft eine Halterahmenanordnung für Batteriezellen (4, 6, 8) mit einem ersten und einem zweiten Halteorgan (12, 14), die jeweils alternierend versetzt zueinander angeordnete, miteinander verbundene Halteteile (16, 18, 20; 22, 24, 26) aufweisen, dadurch gekennzeichnet, dass mindestens eines der Halteorgane (12, 14) elektrische Leitmittel (36) zur elektrischen Kontaktierung von Polorganen (28, 30) der Batteriezellen (4, 6, 8) aufweist.
Resumen de: US20260106198A1
0000 A coating apparatus may include a separating part configured to separate a composite substrate including a first substrate, a second substrate, and a central functional layer between a first surface of the first substrate and a first surface of the second substrate. The separating part may include a first slurry nozzle positioned at one side of the separating part and configured to apply a slurry onto the first surface of the first substrate, and a second slurry nozzle positioned at an other side of the separating part and configured to apply an other slurry onto the first surface of the second substrate. An electrode manufacturing apparatus may include the coating apparatus.
Resumen de: WO2026078727A1
The present disclosure provides a method of formation of a secondary battery comprising a metal current collector, the method comprising: tap-charging the battery to a first potential (Va) greater than reduction potential of at least one electrolyte additive to partially form a solid electrolyte interphase (SEI) layer; thermal aging the tap-charged battery to densify the solid electrolyte interphase layer; and performing consecutive charging on the aged battery to a second potential (Vb) enabling complete reduction of the electrolyte additive for the SEI layer formation; and discharging to a third potential (Vc) to obtain the battery, wherein tap-charging to the first potential (Va) partially reduces the electrolyte additive Further, the present disclosure provides a battery formed by the method as disclosed herein.
Resumen de: US20260106281A1
0000 A rechargeable battery and a battery pack including the same are disclosed. A rechargeable battery includes a case including a first side portion, an electrode assembly accommodated in the case, and a cap plate facing the electrode assembly in a first direction and having a contact region in contact with the first side portion, and the contact region includes a bonded region and a non-bonded region between the first side portion and the cap plate, and an adhesive portion is in at least a portion of a first region of the first side portion corresponding to the non-bonded region.
Resumen de: US20260106150A1
A rechargeable lithium battery includes a positive electrode including a positive electrode active material layer, a negative electrode including a negative electrode active material layer, and an electrolyte, wherein the positive electrode active material layer includes a lithium iron phosphate positive electrode active material, and wherein the rechargeable lithium battery has an N/P ratio of greater than or equal to about 1.33 and less than about 1.48.
Resumen de: US20260106155A1
0000 Fluoropolymer compositions for use as binder in a lithium-ion secondary battery electrodes are described, as well as methods of their manufacture, and electrode compositions and lithium-ion secondary batteries utilizing such. The fluoropolymer compositions are dry friable agglomerates manufactured by cocoagulation of aqueous dispersions of a first tetrafluoroethylene polymer having a melt creep viscosity of at least about 0.5×1011 poise, and a second polymer different from the first polymer. These fluoropolymer compositions afford lithium-ion secondary batteries with improved performance, through such as improved loading of electrodes, and stability of PTFE binder in the anode, and result in lithium-ion secondary batteries having improved performance, such as improved capacity and improved reversible capacity retention.
Resumen de: US20260106279A1
0000 The present disclosure relates to a cap assembly, a battery including the cap assembly, and a battery pack including the cap assembly. A cap assembly according to one embodiment includes a cap plate coupled to a case to cover an opening in the case, which accommodates an electrode assembly therein, a terminal extending through the cap plate, with a first end portion of is the terminal being electrically connected to an electrode of the electrode assembly and a second end portion of the terminal protruding outside of the case, an insulating member at least a portion of which is disposed between the cap plate and the terminal to electrically insulate the cap plate and the terminal, and a wiring member electrically connecting the cap plate and the terminal.
Resumen de: US20260106337A1
The present disclosure relates to rechargeable batteries and a rechargeable battery module including the same. The rechargeable battery module includes rechargeable batteries that are electrically connected without using a busbar. A rechargeable battery module includes a first rechargeable battery including a first electrode terminal and a second rechargeable battery including a second electrode terminal and disposed adjacent to the first rechargeable battery, wherein the first electrode terminal and the second electrode terminal are coupled through at least a contact portion at which an outer surface of the first electrode terminal facing the second electrode terminal is in contact with an outer surface of the second electrode terminal facing the first electrode terminal.
Resumen de: US20260106295A1
A battery module includes a cell assembly including a plurality of battery cells; and a band that includes an elastic material, and surrounds the cell assembly while applying pressure, and each of the plurality of battery cells includes a case; and a pair of tabs extending from at least one side of the case and passing through the band.
Resumen de: WO2026079805A1
The present disclosure provides a secondary battery. The secondary battery comprises: an electrode assembly including a first electrode, a second electrode and a separator; a case accommodating the electrode assembly through an opening at one side thereof, and including a beading part press-fitted inward from the opening at one side; and a vent plate for sealing the opening at one side of the case, wherein a material of at least a portion of the vent plate can have a heat resistance lower than that of a material of the case.
Resumen de: US20260106233A1
0000 A multi-voltage auxiliary power system is for heavy-duty equipment having a starter and vehicle electronics powered by a nominal 12V supply. The multi-voltage auxiliary power system has a battery system configured to provide first and second output voltage levels that are different from each other, in which the first output voltage level is higher than the second output voltage level; and control circuitry configured to: detect a cranking event in the heavy-duty equipment; in response to detecting the cranking event, apply the first output voltage level to the starting and battery system; and switch to applying the second output voltage level to sustain the nominal 12V supply for the vehicle electronics when the cranking is complete.
Resumen de: US20260106224A1
A liquid electrolyte comprising i. at least one sulfonamide with general formula Iii. a combination of at least two lithium salts; and iii. at least one co-solvent and/or one filler; and wherein the liquid electrolyte does not comprise an organic carbonate. An electrochemical cell and uses thereof, and methods for preparing the liquid electrolyte and electrochemical cell.
Resumen de: WO2026080543A2
A lithium-ion secondary battery comprising a positive electrode plate, a negative electrode plate, a separator and a non-aqueous electrolyte solution, the non-aqueous electrolyte solution comprising a mixture of at least one non-oxygenated lithium salt, at least one oxygenated lithium salt, at least one carbonate solvent, and, optionally, at least one non-carbonate solvent. The positive active material comprises one or more selected from the group consisting of LixNiaCobMncO2 and a doping and/or coating modified compound thereof wherein 0.95≤x≤1.2, 0
Resumen de: US20260106243A1
A battery processing method for processing a lithium-ion battery 1 that includes a positive electrode material 31 and a negative electrode material 35 and is configured by laminating the positive electrode material 31 and the negative electrode material 35 in a lamination direction A, wherein gas is internally generated includes: a gas extrusion step S2 of extruding gas toward a peripheral edge portion 3z of the lithium-ion battery 1 in a plane perpendicular to the lamination direction A; and a lithium deposition step S3 of charging the lithium-ion battery 1 to deposit lithium on the negative electrode material 35.
Nº publicación: US20260106232A1 16/04/2026
Solicitante:
UNIV OXFORD BROOKES [GB]
Resumen de: US20260106232A1
A method of managing battery modules in a circuit may include producing a state-of-health (SOH) estimation through a controller for a plurality of battery cells based on a current, a voltage, and a temperature of each battery cell, in each of the battery modules, storing the current, the voltage, and the temperature of each of the battery cells as SOH historical data for the battery cell, generating an SOH prediction for each of the battery cells based on the SOH historical data of the battery cell, and comparing the SOH estimation to the SOH prediction. Where the SOH estimation is within a predetermined threshold of the SOH prediction, performing an SOH balancing between the one or more battery cells in the battery modules.
BOPI
Sede Electrónica
