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1190
resultados
Última actualización
25/10/2026 [07:33:00]
Resultados 1100 a 1125 de 1190
Resumen de: US20260321717A1
Provided is a compound containing: an alkali metal element; at least one metal element M selected from the group consisting of Mg, Ca, Sr, Ba, Zn, Sc, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Yb, Lu, Y, Al, Ga, In, Bi, Sb, Ge, Ti, Zr, Hf, Sn, Nb, Ta, and W; and a halogen element, in which the compound has a crystal structure belonging to a space group P63mc.
Resumen de: US20260321657A1
A positive electrode active material for lithium secondary battery and the like, which can easily realize a lithium secondary battery having excellent rate performance while suppressing generation of gas, are provided. In the positive electrode active material for lithium secondary battery of the present invention, in a case where, in an adsorption isotherm of a water-vapor adsorption method, a water-vapor adsorption amount at a relative pressure p/p0 of 0.5 is denoted as Va0.5 and a water-vapor adsorption amount at a relative pressure p/p0 of 0.9 is denoted as Va0.9, and in a desorption isotherm of the water-vapor adsorption method, a water-vapor adsorption amount at a relative pressure p/p0 of 0.5 is denoted as Vd0.5, a relationship of “(Vd0.5−Va0.5)/Va0.9≤0.90” is satisfied, a BET specific surface area Sm measured by a nitrogen adsorption method satisfies a relationship of “Sm≤0.8 m2/g”, and a mass proportion W1 of lithium hydroxide and a mass proportion W2 of lithium carbonate satisfy a relationship of “W2/W1≤1.40”.
Resumen de: US20260321917A1
A battery includes an electrode body, current collector tabs, a current collector terminal, and a laminate film. Each current collector tab includes a root portion that is an end portion on the electrode body side, a connection portion for connecting to the current collector terminal, and an intermediate portion connecting the root portion and the connection portion. The current collector tabs include a laminated connection portion in which the connection portions are laminated in a thickness direction. The current collector terminal includes an inner surface facing a side surface portion of the electrode body, and a side surface disposed along an outer edge of the inner surface. The laminate film is disposed on the side surface of the current collector terminal. A main surface of the laminated connection portion is joined to the inner surface. A spacer member is disposed between the inner surface and the side surface portion.
Resumen de: US20260321729A1
This application provides a lithium secondary battery and an electrical device. The lithium secondary battery includes: a positive electrode plate, where the positive electrode plate includes a positive current collector and a positive active material layer disposed on at least one side of the positive current collector, and a lithium-ion diffusion coefficient of the positive active material layer is Ds; and an electrolyte solution, where the electrolyte solution includes a solvent. The solvent includes at least one of compounds of the following Formula (I). A mass fraction of the compound of Formula (I) in the solvent is W1. The mass fraction W1 of the compound of Formula (I) and the lithium-ion diffusion coefficient Ds of the positive active material layer satisfy: 2×10−18 cm2/s≤W1×Ds≤8×10−6 cm2/s, and optionally, 3×10−14 cm2/s≤W1×Ds≤7×10−10 cm2/s.
Resumen de: US20260321923A1
Proposed is a contact element for electrically conductively contacting a battery cell housing, comprising: a base plate consisting of an electrically conductive material; multiple spring arms consisting of an electrically conductive material, wherein the spring arms project from the base plate at different locations and together delimit a housing receptacle for receiving an electrically conductive, cylindrical end portion of the battery cell housing; a spring ring which is designed to encompass the spring arms such that they are pressed against a lateral surface of the end portion that is received by the housing receptacle, wherein the spring ring is a slotted ring with two ring ends and has a greater diameter in a pretensioned state than in a relaxed state, wherein, in the pretensioned state, the ring ends abut against one another in the circumferential direction of the spring ring in order to prevent undesired relaxation of the spring ring.
Resumen de: US20260315701A1
0000 A syringe assembly (2) that locks a syringe (10) to prevent backflow of medicament, the syringe assembly (2) comprising a syringe (10) including a barrel (12) configured to carry the medicament, a plunger (14) that communicates with the barrel (12), and a plunger head (16) disposed on a proximal end of the plunger (14), and a locking assembly (50) disposed around the barrel (12), wherein the locking assembly (50) prevents the plunger (14) from moving away from the barrel (12) to draw the medicament into the barrel (12).
Resumen de: US20260321624A1
0000 A lithium-ion secondary battery comprises a positive electrode plate, wherein the positive electrode plate comprises a positive electrode current collector and a positive electrode active substance layer disposed on the positive electrode current collector, and the positive electrode active substance layer comprises a positive electrode active material. The positive electrode active material includes bulk particles comprising a bulk phase and a surface layer on the bulk phase. Bulk phases of the bulk particles are doped with element M<2>. The surface layer of the bulk particle is an exterior doped layer doped with element M<3>. Element M<3 >is selected from one or more of Mg, Al, Ca, Ce, Ti, Zr, Zn, and Y, and element M<2 >includes one or more of Si, Mo, V, Ge, Se, Nb, Rh, Pd, Te, and W.
Resumen de: US20260314707A1
0000 An aerosol provision device is provided. The device comprises a plurality of electrical components, a heating assembly comprising a heater component for heating aerosol generating material, and a battery to power the plurality of electrical components and the heating assembly. In use, the power consumption of the plurality of electrical components is less than about 0.25W.
Resumen de: US20260321941A1
A nonaqueous electrolyte secondary battery structure includes an electrode junction body and an exterior member having a housing chamber housing the electrode junction body, the housing chamber includes no electrolytic solution, and the housing chamber is hermetically sealed, with an interior thereof being in a low humidity state is manufactured by housing the electrode junction body in the housing chamber and then hermetically sealing the housing chamber in a low humidity environment so that the electrode junction body is sealed in the housing chamber without injecting any electrolytic solution into the housing chamber so that the housing chamber includes no electrolytic solution and the housing chamber is hermetically sealed with an interior thereof being in a low humidity state.
Resumen de: US20260315695A1
A dual chamber syringe facilitates selective drug mixing, dosing, and administration, as well as pre- or post-administration flushing with a single syringe instrument. A syringe barrel incorporates an outlet, as well as variable-volume, primary and secondary fluid chambers, separated by a floating stopper. The floating stopper defines a dome-shaped split septum with a central slit at its apex. The split septum is a bi-stable valve, closing the central slit by compression in its meridial dimension when the septum is in a first, relaxed state, and opening the central slit when the septum is buckled or flipped under tension in the meridial dimension in a second state. Buckling of the septum wall is caused solely by differential fluid pressure applied by a single plunger, without physical contact of the septum with any other structure within the syringe.
Resumen de: US20260321743A1
0000 An electrodeposited copper foil, a preparation method thereof, and a lithium battery are provided. The electrodeposited copper foil contains copper having a content of greater than or equal to 99.9 wt % and a chlorine element having a content of 100-200 μg/g, and further contains s a gold element having a content of 80-200 μg/g and a platinum element having a content of 80-200 μg/g. The electrodeposited copper foil containing the gold element and the platinum element can remedy stripe breakage occurring in the rolling process of a lithium-ion battery and potential safety hazards during the use of the battery, thereby improving the elongation and the production process efficiency; in addition, minor addition of gold and platinum exhibits good electrical conductivity, thereby improving the electrical conductivity of the foil material.
Resumen de: US20260321649A1
0000 A battery adhesive, a preparation method therefor, and a lithium-ion battery. The battery adhesive comprises the following components in parts by weight: 70-90 parts of a first component and 10-30 parts of a second component; wherein the preparation raw materials of the first component comprise isocyanate, a first monomer, and a second monomer; the first monomer is selected from an aromatic dihydric phenol and/or an aromatic diamine; the second monomer is a reactive long carbon chain polymer; and the second component is an acrylonitrile copolymer. The battery adhesive has a relatively low swelling rate and relatively strong bonding capabilities in an electrolyte, resulting in better electrical performance in a prepared lithium ion battery.
Resumen de: US20260321605A1
A battery material is a core-shell structure, and the core-shell structure includes a core and a shell. The shell surrounds the core. A composition of the core is a silicon material. The shell includes a polymer, the polymer is linear, the polymer includes a first structure and a second structure, the first structure includes a siloxane group, and the second structure includes a carboxyl group or an ester group. The first structure is more adjacent to the core than the second structure.
Resumen de: US20260321579A1
A conduction path in an all-solid-state secondary battery is difficult to keep with a volume change in an active material due to charging and discharging in some cases. A positive electrode active material with a small volume change between the charged state and the discharged state is used for an all-solid-state secondary battery. For example, a positive electrode active material that has a layered rock-salt crystal structure in the discharged state and a crystal structure similar to the cadmium chloride type crystal structure in the charged state with a depth of charge of approximately 0.8 changes less in its volume and crystal structure between charging and discharging than known positive electrode active materials.
Resumen de: US20260321788A1
0000 A method of cooling a rack of heat dissipa ting compo nents compri ses cooling air, and porting the cooled air into a volume in front of the rack from above the volume. The method further compri ses moving the cooled air from the volume in front of the rack to a plenum at a rear portion of the rack to pressur ize the plenum. The cooled air is moved with an air mover dispose d at a bottom portion of the rack, The method also compri ses flowin g air from the pressur ized plenum past or throug h heat dissipa ting compo nents in the rack to the volume in front of the rack, by force of pressur e in the plenum throug h air- directi ng ports in the plenum. The air may be flowed throug h the heat dissipa ting compo nents, around the heat dissipa ting compo nents, or both. The method further compri ses drawin g warm air from an upper portion of the volume in front of the racks to cool it again.
Resumen de: US20260317559A1
0000 Provided is a liquid dispersion of fluoride particles suitable for an optical material of an optical film such as an antireflection film, an electrode material of a secondary battery, and the like by satisfactorily dispersing fluoride particles even without using a dispersant containing a conventional surfactant. The liquid dispersion of fluoride particles according to the present invention is characterized by including an organic solvent, fluoride particles dispersed in the organic solvent, and polyvinylidene fluoride as a dispersant for dispersing the fluoride particles.
Resumen de: US20260318878A1
A battery cell includes a protective shell and an internal component provided inside the protective shell. The internal component includes: a battery winding mandrel; an ultrasonic transducer module adhered to a surface of the battery winding mandrel by winding; and a battery jelly roll layer adhered to a surface of the ultrasonic transducer module by winding. The ultrasonic transducer module is configured for transmitting an ultrasonic transmitting signal and receiving an ultrasonic reflecting echo to perform ultrasonic detection, so as to conduct real-time in-situ detection on the battery cell through the ultrasonic detection.
Resumen de: US20260316136A1
A die-cutting machine includes an unwinding mechanism, a cutting mechanism, a visual detection system and a winding mechanism which are sequentially arranged in a conveying direction of an electrode sheet, where the visual detection system is configured to collect an image of the current electrode sheet that has been cut, and the cutting mechanism is configured to cut a next electrode sheet in a first marking mode when a detection result of the current electrode sheet indicates that the current electrode sheet has a defect, the detection result of the current electrode sheet is determined on the basis of the image of the current electrode sheet, and a cutting position corresponding to the next electrode sheet is used as an end position of a current battery electrode sheet section and a starting position of a next battery electrode sheet section.
Resumen de: US20260322304A1
0000 This application provides a motor controller and a powertrain. The motor controller includes an inverter circuit. The inverter circuit is configured to output a three-phase current to a winding of the drive motor. Frequencies of each phase current of the three-phase current in any two adjacent cycles are different. Because the frequencies of each phase current in the any two adjacent cycles are different, it is equivalent that frequencies of each phase current flowing through the winding of the drive motor are also different, and vibration frequencies generated by each winding under an action of a phase current are also different. Therefore, noise energy generated by vibrations may be dispersed to a wide frequency range, so that noise generated when a power battery is heated is reduced, to provide better use experience for a user.
Resumen de: US20260321593A1
For the positive electrode material of composite sodium ferric sulfate, particles of the positive electrode material include a sodium ferric sulfate matrix, a three-dimensional conductive network embedded into the sodium ferric sulfate matrix and a conductive coating layer coated outside the sodium ferric sulfate matrix; and the three-dimensional conductive network and the conductive coating layer are both formed from PEDOT. The preparation method includes: mixing PSS, EDOT, sodium sulfate, ferrous sulfate and an oxidant as an initiator in an aqueous solution and making the same fully react to render a precursor solution; drying the precursor solution; and then carrying out heat treatment to render the positive electrode material of composite sodium ferric sulfate. The positive electrode is prepared by the above positive electrode material.
Resumen de: US20260321884A1
A high-strength and high-ductility separator and a preparation method thereof are disclosed. The high-strength and high-ductility separator comprises an ultrahigh-molecular-weight polyolefin and a solubilizer. The solubilizer is one or a mixture of two or more selected from the group consisting of an ethylene-propylene copolymer, an ethylene-butene copolymer, and an ethylene-octene copolymer. The preparation method includes: mixing an ultrahigh-molecular-weight polyolefin, a solubilizer, and a pore-forming agent, and thoroughly stirring to produce a premixed raw material; injecting the premixed raw material into an extruder; heating to produce a thermodynamically single-phase melt; subjecting the thermodynamically single-phase melt to melt casting on a cooling roller to produce a crystalline cast sheet; subjecting the crystalline cast sheet to first stretching and cooling to produce a first stretched film; subjecting the first stretched film to second stretching to produce a second stretched film; and conducting extraction and oven-drying to produce the high-strength and high-ductility separator.
Resumen de: US20260321663A1
A power storage device includes a stack and a sealing body. A bipolar electrode includes a current collector having a surface and a surface opposite the surface, a positive electrode active material layer provided on the surface, and a negative electrode active material layer provided on the surface. The sealing body 3 includes a sealing member. The current collector has a rectangular shape with at least one side exceeding m when viewed in a stack direction of the stack, and includes a first metal foil including the surface, a second metal foil including the surface and thinner than the first metal foil, and an adhesive layer provided between the first metal foil and the second metal foil and adhering the first metal foil and the second metal foil. The adhesive layer is thinner than the second metal foil.
Resumen de: US20260319015A1
An electronic device comprising a battery module including a plurality of battery cells, a sensor circuit configured to obtain a plurality of state values of each battery cell of the plurality of battery cells, and a processor configured to receive the plurality of states values of each battery cell of the plurality of battery cells as input data through the sensor circuit, obtain feature data based on a feature matrix derived from the input data by using a designated matrix decomposition algorithm, and determine whether each battery cell of the plurality of battery cells is abnormal, based on the feature data, wherein the feature matrix represents values corresponding to pre-determined numbers of one or more diagonal components of a diagonal matrix for the input data, wherein the values are substituted by 0.
Resumen de: US20260321616A1
A method of preparing an octahedral-structured lithium manganese-based positive electrode active material includes mixing a manganese raw material, a raw material including doping element M1 (where the doping element M1 is at least one element of Mg, Al, Li, Zn, B, W, Ni, Co, Fe, Cr, V, Ru, Cu, Cd, Ag, Y, Sc, Ga, In, As, Sb, Pt, Au, or Si), and a lithium raw material and sintering the mixture in an oxygen atmosphere to prepare a lithium manganese oxide having an octahedral structure and doped with the doping element M1. The sintering includes performing first sintering at 400° C. to 700° C. for 3 hours to 10 hours and performing second sintering at 700° C. to 900° C. for 10 hours to 20 hours.
Nº publicación: US20260322147A1 15/10/2026
Solicitante:
LG INNOTEK CO LTD [KR]
LG INNOTEK CO., LTD.
Resumen de: US20260322147A1
0000 Disclosed is a system for managing a battery, the system comprising a first processor, a second processor, an isolator, a sensor unit, a switch unit, etc. The isolator can be disposed between the first processor and the second processor, and the first processor and the second processor can transmit and receive information through the isolator. The first processor can transmit monitoring request signals for a plurality of nodes to the second processor through the isolator, and the second processor can transmit voltage values for the plurality of nodes to the first processor
BOPI
Sede Electrónica
