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1315
resultados
Última actualización
03/11/2025 [07:10:00]
Resultados 225 a 250 de 1315
Resumen de: US2025334639A1
Estimating the state of energy for a particular time, which includes:receiving measurements of a temperature of the cell, of a voltage of the cell, and of a current exchanged by the cell;estimating an internal resistance of the cell;estimating an open circuit voltage of the cell;estimating a total energy delivered by the cell until the particular time;estimating a maximum energy that can be delivered by the cell, assuming that the temperature and the current remain constant; andsubtracting the estimated total delivered energy from the estimated maximum energy.
Resumen de: US2025334454A1
A thermistor holder includes: a base portion disposed to face a restraint member; and thermistor holding bodies. A thermistor holding body includes: an insertion hole formed in the base portion and into which a thermistor is to be inserted; a thermistor housing portion that cylindrically protrudes from a peripheral edge portion of the insertion hole and that is to be inserted into a locking hole of the restraint member; a first locking portion that protrudes from the peripheral edge portion of the insertion hole in each of cutouts and that locks a claw portion inserted into the locking hole to a peripheral edge portion of the locking hole and holds the claw portion to the restraint member; and a pair of second locking portions that protrude from the peripheral edge portion of the insertion hole in a direction opposite to the thermistor housing portion and lock the thermistor.
Resumen de: US2025334015A1
A subsea hydrocarbon Christmas tree having a control and battery module (100) for controlling electrically actuated valves (200) is described. The control and battery module comprises a plurality of subsea electronics modules (110A, 110B) configured for receiving electric power provided from a top-side power supply (300) to operate the valves. The control and battery module also comprises a plurality of battery pack modules (120A, 120B, 120C). At least one of the plurality of battery pack modules (120B, 120C) is connectable to the subsea electronics modules to provide supplement electric power to the subsea electronics modules should electric power required for a desired valve operation exceed electric power provided to the subsea electronics modules from the top-side power supply. A related method is also described.
Resumen de: US2025334642A1
A battery system is provided having control, diagnostic, and safety features implemented at the battery cell level. By selectively bypassing one or more battery cells, a battery pack may function as a half-wave generator that produces a half-sine wave output voltage that can be converted into an alternating current using switching circuitry. Moreover, by applying a mixed signal to an individual battery cell, electrochemical impedance spectroscopy can be implemented without the need for bulky external equipment. Further still, safety features, such as battery strain sensors, may be implemented at the battery cell level to provide improved safety information.
Resumen de: US2025333880A1
A method is disclosed for producing carbon fibers with active components such as those for oxygen reduction reactions (ORR). The method includes electrospinning a solution of polyacrylonitrile (PAN) and a transition metal into composite fibers; and annealing the composite fibers in an inert/reducing atmosphere.
Resumen de: US2025337108A1
The present disclosure relates to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator includes a porous substrate and a coating layer on at least one surface of the porous substrate. The coating layer includes a heat-resistant layer including a binder and a filler, and an adhesive layer including an adhesive binder on the heat-resistant layer. The binder includes a (meth)acryl-based binder including a first structural unit derived from (meth)acrylic acid, (meth)acrylate, or a salt thereof, a second structural unit derived from hydroxyalkyl (meth)acrylate, and a third structural unit derived from (meth)acrylamido sulfonic acid or a salt thereof. The filler includes a filler having a particle diameter D50 ranging from about 250 nm to about 350 nm. The adhesive binder includes a fluorine-based homopolymer, and an interpenetrating polymer network (IPN) binder mixture of a fluorine-based cross-linked polymer and an acrylate-based cross-linked polymer.
Resumen de: US2025337113A1
The present disclosure relates to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator includes a porous substrate and a coating layer on at least one surface of the porous substrate. The coating layer includes a heat-resistant layer including a binder and a filler, and an adhesive layer including an adhesive binder on the heat-resistant layer. The binder includes a (meth)acryl-based binder including a first structural unit derived from (meth)acrylic acid or a derivative of (meth)acrylic acid, a hydroxyl group-containing second structural unit, and a sulfonate group-containing third structural unit. The filler includes a cubic filler having a particle diameter D50 ranging from about 50 nm to about 250 nm. The adhesive binder includes a fluorine-based adhesive binder having a carbonyl (C═O) functional group.
Resumen de: US2025337043A1
An embodiment battery cooling system for a vehicle includes a battery pack and a plurality of battery cells disposed in the battery pack, wherein the battery pack includes a first air inlet and a second air inlet disposed in both ends in a width direction, respectively, and a first air outlet and a second air outlet disposed inside in the width direction, respectively.
Resumen de: US2025337049A1
Battery packs, systems, and methods of implementing improved thermal management are described. A battery pack may include a cell holder, an inlet disposed proximate to a first end of the cell holder, an outlet disposed proximate to a second end of the cell holder, and a fluid flowing between the inlet and the outlet. A first battery cell may be disposed adjacent to a second battery cell in the cell holder. A structure may be disposed in a gap between the first battery cell and the second battery cell. The structure may direct the fluid towards a first circumferential edge of the first battery cell and a second circumferential edge of the second battery cell.
Resumen de: US2025337074A1
Disclosed is a battery module, which includes a module case having a predetermined accommodation space; a plurality of battery cells accommodated in the module case; a plurality of bus bar members provided at an upper side of the plurality of battery cells to electrically connect the plurality of battery cells; a support plate disposed between the plurality of battery cells and the plurality of bus bar members to support the plurality of bus bar members; and a foam member filled in a space between the plurality of battery cells at a bottom portion of the support plate.
Resumen de: US2025336951A1
Provided are a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, and for example, a positive electrode, including a current collector, a first positive electrode active material layer on the current collector, and a second positive electrode active material layer on the first positive electrode active material layer. The first positive electrode active material layer includes a first particle including a compound represented by Formula 1 and having an olivine structure, and a second particle including a compound represented by Formula 2 and having a spinel structure, and the second positive electrode active material layer includes a third particle including a compound represented by Formula 3 and having an olivine structure. The first particle is a positive electrode for a rechargeable lithium battery in the form of a secondary particle in which a plurality of primary particles are aggregated.
Resumen de: US2025336983A1
A current collector, comprising a base layer, a first metal layer, and a second metal layer are disclosed. The first metal layer is disposed on at least one surface of the base layer; the second metal layer is disposed on the surface of the first metal layer facing away from the base layer; the first metal layer comprises elemental iron or an iron alloy; the second metal layer comprises at least one of a metal layer formed by any one of copper, tin, lead, molybdenum, chromium and nickel, an elemental metal stack formed by any two or more of the elements, and an alloy layer formed by any two or more of the elements. A preparation method for the current collector, and a secondary battery and an electric device are disclosed.
Resumen de: US2025336980A1
A solid-state battery that includes: a positive electrode layer; a negative electrode layer; and a solid electrolyte layer between the positive electrode layer and the negative electrode layer, in which the positive electrode layer includes a positive electrode active material having a layered rock salt type structure and an oxide having a garnet type structure, the positive electrode active material contains at least one of Mg or Al, and the oxide having the garnet type structure does not contain Al.
Resumen de: US2025336948A1
A method of preparing a positive electrode active material is disclosed. The method may include performing a co-precipitation reaction including a first step of reacting at a pH range of about pH 11 to about pH 12 and a second step of reacting at a pH lower than the first step for a mixture of a nickel precursor and a metal precursor to obtain a nickel-based composite hydroxide, mixing the nickel-based composite hydroxide, an anhydrous lithium hydroxide, an aluminum raw material, and a zirconium raw material and subjecting to a first heat treatment to produce hollow secondary particles, pulverizing the secondary particles, and adding and mixing the pulverized resultant, a cobalt coating raw material, and a zirconium coating raw material into an aqueous (e.g., water-soluble) solvent, and then performing a second heat treatment to obtain a positive electrode active material.
Resumen de: US2025337005A1
A solid electrolyte includes an oxide solid electrolyte layer, and a sulfide solid electrolyte layer, and the oxide solid electrolyte layer and the sulfide solid electrolyte layer are doped with graphene quantum dots (GQDs).
Resumen de: US2025333816A1
An object to be solved by the present invention is to provide a method for extracting aluminum from an acid dissolution solution without causing precipitation of aluminum. The method for extracting aluminum of the present invention includes an aluminum extraction step of mixing an acid dissolution solution containing aluminum with an organic solvent containing mono-2-ethylhexyl (2-ethylhexyl)phosphonate, and extracting aluminum from this acid dissolution solution under the condition of an equilibrium pH less than 1.8. If this acid dissolution solution further contains fluorine, the method for extracting aluminum of the present invention includes a fluorine separation and removal step of adjusting the aluminum concentration of the raffinate in an arbitrary range, and adjusting the equilibrium pH to 2 to 7 to generate aluminum hydroxide, thereby coprecipitating fluorine for solid-liquid separation.
Resumen de: US2025333876A1
The present disclosure relates to single-crystal spherical silicon nanoparticles which are monocrystalline are spherical and have an average particle diameter of 1 nm to 20 nm as well as a method of producing the same. The single-crystal spherical silicon nanoparticles of the present invention can produce fluorescence at a high fluorescence quantum efficiency upon excitation by light in a wide range of wavelengths from deep ultraviolet light having a wavelength of 200 nm to 300 nm to visible light, and can increase the conventionally known fluorescence quantum efficiency of silicon nanoparticles from around 1% to 10% or more.
Resumen de: US2025333875A1
The present disclosure relates to a method of producing single-crystal spherical silicon nanoparticles which are monocrystalline and spherical and has an average particle diameter of 1 nm to 20 nm. The method includes a step of mixing and reacting a raw material liquid containing silicon halide with a reduction liquid containing an anion of a condensed aromatic compound produced from lithium, sodium or potassium and the condensed aromatic compound. The anion of the condensed aromatic compound is prepared by mixing the lithium, sodium or potassium and the condensed aromatic compound at a temperature of less than 0° C. The single-crystal spherical silicon nanoparticles produced by the method of the present invention can produce fluorescence from blue to red upon excitation by light in a wide range of wavelengths from deep ultraviolet light having a wavelength of 200 nm to 300 nm to visible light, and can increase the conventionally known fluorescence quantum efficiency of silicon nanoparticles from around 1% to 10% or more.
Resumen de: US2025333870A1
A method for the electrochemical recovery of a metal from a spent electrode is provided. The method comprises the steps of providing an electrochemical cell comprising a metal recovery electrode as a working electrode, the spent electrode as a counter-electrode, and an electrolyte between the working electrode and the counter-electrode, and performing cyclic voltammetry on the metal recovery electrode, thereby dissolving the metal from the spent electrode and adsorbing dissolved atoms of the metal on the metal recovery electrode, thereby recovering the metal and forming a composite electrode. The metal recovery electrode comprising a metal compound on a conducting support and the metal compound is made by a method comprising reacting a metal oxalate or an ammonium metal oxalate, wherein the metal is a group 4 to 6 metal, with a chalcogenide or an organochalcogenide.
Resumen de: US2025333375A1
The disclosure relates to the cyanocarbon compositions and processes for producing the same. The cyanocarbon compositions comprise tricyanohexane and one or more coproducts of the tricyanohexane production reaction. Exemplary coproducts include tetracyano compounds, cyanoalkenes, cyanooximes, cyanoamides, and combinations thereof.
Resumen de: US2025337100A1
A battery module includes a cell assembly including a plurality of battery cells; a module housing accommodating the cell assembly and including a plurality of venting holes; a first barrier disposed on an inner surface of the module housing and including a plurality of first venting portions configured to deform based on pressure inside the module housing; and a second barrier disposed on an outer surface of the module housing and including a plurality of through-holes. At least a portion 10 of gas generated in the cell assembly is configured to be discharged to an outside of the module housing through the plurality of first venting portions, the plurality of venting holes, and the plurality of through-holes.
Resumen de: US2025337048A1
A traction battery pack immersion thermal management system includes a coolant delivery system that communicates a coolant from an coolant supply to a battery case that houses a cell stack. The coolant delivery system includes at least one inlet port to the battery. The thermal management system additionally includes a coolant return system that communicates the coolant from the battery case back to the coolant supply. The coolant return system including a plurality of outlet ports and a return manifold. The outlet ports each separately fluidly connect the battery case to the return manifold. The return manifold is configured such that coolant received from each of the plurality of outlet ports is mixed within the return manifold prior to reaching the coolant supply.
Resumen de: US2025337041A1
A thermal regulation device for cooling of an energy storage unit, including a first stage and a second stage. The first stage includes a first support plate and a first distribution plate. The thermal regulation device includes at least one additional plate positioned against the first support plate, and delimiting at least one duct for circulation of the cooling fluid. The first stage and the second stage are in fluidic communication via the additional plate and a connection means.
Resumen de: US2025337076A1
A battery case is provided and including a plurality of accommodating portions each accommodating one cylindrical battery cell, the accommodating portions 11 being arranged side by side in one direction, in which each of the accommodating portions has a wall portion defining a space for accommodating the cylindrical battery cell, the wall portion in a state before accommodating the cylindrical battery cell defines an elliptical cylindrical space, a direction in which the accommodating portions are arranged in one direction is defined as a long axis direction of the elliptical cylindrical space, a direction perpendicular to the long axis direction is defined as a short axis direction, and a direction perpendicular to the long axis direction and the short axis direction and parallel to a central axis of the elliptical cylindrical space is defined as a depth direction, and a longest long axis diameter in the long axis direction of the elliptical cylindrical space in each of the accommodating portions 11 is equal to or larger than a diameter of the cylindrical battery cell.
Nº publicación: US2025337069A1 30/10/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD
Resumen de: US2025337069A1
A secondary battery pack includes a plurality of secondary batteries; a lower frame configured to support a lower portion of each of the plurality of secondary batteries; a side frame provided in plurality to be spaced apart from each other to vertically extend from the lower frame so as to define a plurality of separation spaces; and an upper frame provided above the side frame to open and close each of the plurality of separation spaces.
BOPI
Sede Electrónica
