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1325
resultados
Última actualización
30/04/2026 [07:24:00]
Resultados 25 a 50 de 1325
Resumen de: US20260112611A1
Provided is a positive electrode material for a lithium ion secondary battery, including aggregated particles including aggregated multiple primary particles of a positive electrode active substance containing lithium iron phosphate coated with a carbonaceous film, the positive electrode active substance having a prescribed composition containing lithium iron phosphate, the positive electrode material having a change rate of a lattice area of a b-c axis plane before charging and after full charging (((lattice area before charging-lattice area after full charging)/lattice area before charging)×100) of 1.10% or more and 1.33% or less. The positive electrode material has excellent cycle characteristics and high input and output characteristics in using as a positive electrode of a lithium ion secondary battery.
Resumen de: US20260112726A1
A battery system includes a battery module that utilizes the first and second retention housings to hold a battery cell retention frame therein that can be either air cooled or fluid cooled. In particular, the first and second retention housings have an inlet port and an outlet port, respectively, for routing fluid through the battery cell retention frame for cooling cylindrical battery cells thereon. Alternately, the battery cell retention frame can be air cooled for cooling the cylindrical battery cells. Also, the first and second retention housings provide improved structural integrity to the battery module.
Resumen de: US20260112780A1
A unit cell includes an electrode positioned between a first separator and a separator in a stack. A first adhesive is positioned between the electrode and at least one of the first and second separators, and a second adhesive is positioned between the first separator and the second separator. A shear strength of the first adhesive is less than or equal to a shear strength of the second adhesive.
Resumen de: US20260112745A1
In an insulating sheet, a first left-side piece portion, a second left-side piece portion, a left-side bottom piece portion, a first left-side connection portion, and a second left-side connection portion form a first communication path for communicating inside and outside of the insulating sheet, the first communication path having a first open end at a position of an end of each of the first left-side connection portion and the second left-side connection portion on the opening side of an exterior package. The first communication path is located on a shortest reach path for an electrolyte solution reaching, from the outside of the insulating sheet, an end portion of an electrode assembly closest to a ridgeline portion of the exterior package on the bottom portion side and on the side of one of a pair of second side walls.
Resumen de: US20260112756A1
0000 A battery pack according to an embodiment of the present disclosure includes at least one battery cell including a vent portion configured to force gas out; and a pack case in which the at least one battery cell is accommodated such that the vent portion faces a lower side of the battery pack. The vent portion is exposed from the battery pack.
Resumen de: US20260112640A1
A negative electrode material for secondary battery use includes silicon-containing particles and coating layers covering at least part of the surfaces of the silicon-containing particles. The silicon-containing particles each include an ion conductive phase and silicon phases dispersed in the ion conductive phase. The coating layers contain at least one phosphate compound selected from the group consisting of a phosphate compound, a polyphosphate compound, and a metaphosphate compound, each of which contains an anion represented by general formula (1):In general formula (1), A represents an organic group or an oxygen atom.
Resumen de: US20260112601A1
0000 A disclosed positive electrode is a positive electrode for a nonaqueous electrolyte secondary battery. The positive electrode includes a positive electrode current collector and a positive electrode mixture layer disposed on the positive electrode current collector. The positive electrode mixture layer contains active material particles having an average particle diameter less than 5 μm, a conductive material, a dispersant, and a binder. The active material particles include composite oxide particles and a surface modification layer formed on surfaces of the composite oxide particles and containing a boron compound. The composite oxide particles are particles of a lithium transition metal composite oxide. The conductive material includes a carbon material. The dispersant includes nitrile group-containing rubber. The binder includes a fluorine-containing polymer.
Resumen de: US20260110755A1
A battery diagnosis apparatus according to the present disclosure includes a voltage sensor to generate a voltage signal indicating a battery voltage of a battery; a current sensor to generate a current signal indicating a battery current flowing through the battery; and a control circuit. The control circuit determines a measured capacity curve over a predetermined set voltage range based on the voltage signal and the current signal collected at each unit time for a constant current period during which the battery is charged or discharged at a predetermined current rate over the set voltage range. The control circuit determines a measured differential curve over the set voltage range based on the measured capacity curve. The control circuit determines whether a negative electrode tortuosity of the battery abnormally increased by comparing the measured differential curve with a reference differential curve.
Resumen de: US20260110744A1
0000 Examples are described herein for monitoring power source usage of a computing device, including a battery and another power source, over time. In various examples, time periods of this monitored time may be added to a time count based on their immediately previous or immediately subsequent time periods satisfying a condition. The time count may be used to track periods of time during which certain power source usage factors are present that may lead to or may indicate the presence of battery swelling. After a time period is added to the time count, the updated time count can be compared to a time count threshold, and a user of the computing device may be warned based on the comparison. The threshold and warning may be selected to warn a user of potential present or future swelling of the battery.
Resumen de: US20260109615A1
0000 A method of recycling a waste battery cathode material comprising lithium and at least one of nickel, cobalt and/or manganese, the method comprising: heating the waste battery cathode material in a reducing atmosphere to form a heat-treated waste battery cathode material comprising LiF and one or more of LijO, LiOH, and LijCOs; washing the heat-treated waste battery cathode material in an aqueous solvent to extract both lithium containing species and fluorine containing species, wherein the aqueous solvent does not contain an alkaline earth hydroxide or other species intended to reduce or prevent soluble fluorine species remaining dissolved in the aqueous solvent; separating the aqueous solvent comprising lithium and fluorine species from the heat-treated waste battery material; after separating the aqueous solvent comprising lithium and fluorine species from the heat-treated waste battery material, treating the aqueous solvent to separate lithium species from fluorine species; recovering the lithium species as lithium hydroxide or lithium carbonate; forming an acidic aqueous recycling feed comprising one or more of nickel, cobalt and/or manganese by leaching the heat-treated waste battery cathode material with an inorganic acid after the step of separating the aqueous solvent from the heat-treated waste battery material; and recovering one or more of nickel, cobalt and/or manganese from the acidic aqueous recycling feed via one or more further process steps selected
Resumen de: US20260109138A1
Provided herein are processing apparatuses for producing high-quality films of sintered ceramics. The instant disclosure sets forth equipment and processes for making high quality, rapidly processed ceramic electrolyte films. These processes include high-throughput continuous sintering of oxides for use as electrolyte films. In certain processes, the film is not in contact with any surface as it sinters (i.e., during the sintering phase).Set forth herein are processes for making and using bilayers comprising a green body layer on a metal layer and bilayers comprising a sintered oxide layer on a metal layer. Set forth herein are processes for rapidly sintering thin bilayers comprising a green body layer on a metal layer in order to produce bilayers comprising a sintered oxide layer on a metal layer.
Resumen de: US20260109198A1
0000 A thermal conditioning system for a motor vehicle, including a refrigerant circuit. The refrigerant circuit includes a main loop, a first bypass branch, a third bypass branch, and a fourth bypass branch. The main loop includes, successively a compressor, a first heat exchanger configured to exchange heat with a first heat transfer fluid, a first expansion valve, a first refrigerant accumulation device, a second expansion valve, and a second heat exchanger. The first bypass branch includes a third expansion valve, and a third heat exchanger. The second bypass branch connects the main loop and the first bypass branch. The third bypass branch connects the main loop and the first bypass branch. The fourth bypass branch allows the refrigerant leaving the compressor to join the main loop, without passing through the first exchanger and the second expansion valve. The fourth bypass branch includes a fourth expansion valve.
Resumen de: US20260112598A1
0000 Silicon-containing composite particles, the process comprising the steps of:
(a) providing a plurality of porous particles comprising micropores and/or mesopores, wherein the D<50 >particle diameter of the porous particles from 0.5 to 200 μm; the total pore volume of micropores and mesopores is from 0.4 to 2.2 cm<3>/g; and the PD<50 >pore diameter is no more than 30 nm; c
(b) combining a charge of the porous particles with a charge of a silicon-containing precursor in a batch pressure reactor, wherein the charge of porous particles has a volume of at least 20 cm<3 >per litre of reactor volume (cm<3>/L
Resumen de: US20260112636A1
The invention relates to a functionalized and pre-crosslinked hydrogenated nitrile rubber as a binder in a cathode of a battery cell, to a cathode of a battery cell comprising said polymer, and to a composition comprising said polymer and an organic solvent.
Resumen de: US20260109607A1
The present invention relates to a carbon nanotube dispersion and a preparation method thereof, wherein the carbon nanotube dispersion includes carbon nanotubes, a first dispersant which is a cellulose-based dispersant, a second dispersant containing hexafluoropropylene (HFP) as a repeating unit, and a solvent, and the carbon nanotube dispersion of the present invention has a low initial viscosity and a low viscosity change rate, and thus, is excellent in storage stability and processability.
Resumen de: US20260110050A1
0000 A method for processing a lithium-ion battery waste by hydrometallurgical processing of the lithium-ion battery waste to obtain a leachate in which at least cobalt and nickel are dissolved, the method comprising: a hydrometallurgical processing step of adding at least one compound (1) selected from the group consisting of ammonia and a salt thereof, and an amine compound and a salt thereof to the lithium-ion battery waste and mixing them to obtain the leachate in which at least the cobalt and the nickel are dissolved; and a solid-liquid separation step of removing at least a part of metals not dissolved in the leachate by solid-liquid separation after the hydrometallurgical processing step.
Resumen de: US20260109616A1
0000 The present invention relates to a method for efficiently recovering valuable metals from end-of-life waste lithium batteries by dry molten smelting and, more particularly, to a method for recovering lithium by mixing ground or crushed waste lithium batteries with a flux including a Ca compound and a sulfur component and melting same at a high temperature of 1300° C. or higher, and then obtaining a lithium-sulfide compound (Li2SO4) volatilizing therefrom.
Resumen de: US20260112629A1
Disclosed is a negative electrode composition for a lithium ion secondary battery, a negative electrode slurry including the negative electrode composition for the lithium ion secondary battery, a negative electrode for the lithium ion secondary battery, and the lithium ion secondary battery. The negative electrode composition includes a negative electrode active material, a conductive material, and an aqueous binder. The conductive material includes a pre-dispersion solution containing a specific type of dispersant and the aqueous binder includes a specific content of (meth)acrylamide. The negative electrode composition for a lithium ion secondary battery may contribute to improving phase stability and suppressing volume expansion according to the charging and discharging of a battery.
Resumen de: US20260112620A1
0000 A composition comprising a disordered rock salt having a cation comprised of lithium and at least one other metal and an anion comprised of oxygen having a coating comprised of a metal fluoride, a metal oxyfluoride or combination thereof may be made by a dry or wet method. The methods comprise intermixing a metal fluoride and a disordered rock salt and heating to a temperature to react a metal fluoride with the DRS. The method may form a spinel in addition to the metal fluoride or metal oxyfluoride, when in the presence of a base such as ammonium.
Resumen de: US20260109622A1
An olivine-structured nickel manganese phosphate active material includes a general structural formula of NibMndMePO4. b is greater than or equal to 0.1 and greater than or equal to 0.95. d is greater than or equal to 0.05 and greater than or equal to 0.90. e is greater than or equal to 0 and greater than or equal to 0.5. A doping element M includes one or a combination of Fe, Al, Co, Ca, Pb, Na, Ti, Zr, Mo, V, Nb, Sc, Cr, Cu, Zn, Be, La, Mg, N, or S.
Resumen de: US20260110665A1
Systems, techniques, and computer-implemented processes are provided for acoustic signal based analysis of thin-films, electrode coatings, and other components of batteries. Data analytics on signals obtained by ultrasound excitation of materials is used to analyze electrode coating parameters, analyzing separators, and other battery components. Using the disclosed techniques in battery manufacturing and production can lead to reduction in wastage of damaged/scrapped battery cells and shorten production time.
Resumen de: US20260112910A1
The present invention relates to a method for carrying out pulsed charging of an energy storage element (4) comprising, in a first phase of a charging cycle (E1), controlling a voltage profile (VC) having voltage regulation-driven increments (S1, S2, S3, S4, S5) defining a current profile (IC) in a charging cycle of a predetermined duration, and wherein a voltage increment (S1, S2, S3, S4, S5) is computed at a voltage amplitude at the time of a calculation step i according to a function depending on an estimate of the no-load voltage and on an estimate of the internal resistance at said time, on a coefficient n determining the charging duration and on the nominal capacity of the storage element. The invention is applicable to the fast-charging protocol, in particular for electromobility applications.
Resumen de: US20260112708A1
0000 Metal-based batteries incorporating magnets to apply Lorentz force are disclosed herein. In one example, a zinc-bromine battery includes an aqueous electrolyte containing bromine (Br<2>), bromine ion complexes, or bromine precursors, a plurality of zinc cations (Zn<2>+), and a plurality of anions of bromine; a first electrode containing zinc (Zn); a second electrode in fluid communication with the first electrode via the aqueous electrolyte; and a magnet proximate to the first electrode and/or the second electrode. The magnet has a field strength to exert sufficient Lorentz force on the plurality of zinc cations (Zn<2>+) such that the zinc cations (Zn<2>+) forming a vortex proximate to a surface of the first electrode during galvanic charging and discharging of the zinc-bromine battery.
Resumen de: US20260112795A1
A battery module includes: a plurality of laminated battery cells; a bus bar connected to the battery cells; and a sensor unit electrically connected to the bus bar that measures a state of the battery cells. The bus bar is disposed in an accommodation space formed on one side surface of the laminated cell. The sensor unit includes a sensor case accommodating the sensor circuit, formed to a shape of the bus bar, and accommodated in the accommodation space and in contact with the bus bar. A fitting portion is electrically connected to the sensor circuit facing the bus bar in the sensor case when the sensor case is accommodated in the accommodation space. By fitting the fitting portion to the bus bar, the sensor case is fixed to the bus bar, and the sensor circuit is electrically connected to the bus bar via the fitting portion.
Nº publicación: US20260112922A1 23/04/2026
Solicitante:
MILWAUKEE ELECTRIC TOOL CORP [US]
Resumen de: US20260112922A1
A power distribution device that couples to storage units is provided. The power distribution device a battery charger that indirectly charges batteries, such as for personal electronic devices. The device includes a top panel with a recess that receives the personal electronic devices. The device also includes interface components to couple the device to a modular tool storage unit.
BOPI
Sede Electrónica
