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1111
resultados
Última actualización
03/09/2024 [07:45:00]
Resultados 675 a 700 de 1111
Resumen de: WO2024168473A1
The present application provides a secondary battery and an electrical device. The secondary battery comprises a negative electrode sheet; the negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer provided on at least one surface of the negative electrode current collector and comprising a negative electrode active material; the negative electrode active material comprises a carbon-based material and a silicon-based material; the carbon-based material comprises secondary particles formed by aggregation of primary particles; the silicon-based material comprises secondary particles formed by aggregation of primary particles.
Resumen de: US2024277075A1
A notification control device is for an aerosol generating apparatus that generates an aerosol from an aerosol source by using electric power from a power supply. The notification control device is configured to: obtain deterioration information on the power supply; and output a notification of the deterioration information on the power supply by using a parameter different from a charging capacity.
Resumen de: US2024279462A1
A polyphenylene ether-based resin composition that is an aspect of the present invention contains 2 to 20 parts by mass of a polypropylene homopolymer (c) and 1 to 25 parts by mass of an inorganic filler (d) with respect to 100 parts by mass of a polyphenylene ether-containing resin (A) containing a polyphenylene ether-based resin (a) or containing the polyphenylene ether-based resin (a) and a styrene-based resin (b).
Resumen de: US2024279442A1
Provided is a binder composition that is capable of producing a conductive material dispersion liquid having excellent dispersibility and that can cause an electrochemical device to display excellent cycle characteristics. The binder composition contains a first polymer, a second polymer, and an organic solvent. The first polymer includes a nitrile group-containing monomer unit and includes either or both of an aliphatic conjugated diene monomer unit and an alkylene structural unit. The second polymer includes a structural unit of the following formula (I) in a proportion of 70 mass % to 95 mass %. In formula (I), R1 represents a hydrogen atom or a methyl group, R2 represents a hydrogen atom, a phenyl group, an alkyl group having a carbon number of 1 to 6, or a phenyl group including one to three alkyl groups having a carbon number of 1 to 6, and n represents an integer of 3 or more.
Resumen de: US2024279520A1
The fluoroether 3-(difluoromethoxy)-1,1,1,2,2-pentafluoropropane (“HFE-347mcf”) may be used as a refrigerant and/or heat transfer composition, such as in single phase and two phase cooling systems, and a method of heating and/or cooling an electronic component or device includes providing a heat transfer fluid comprising at least about 10% by weight of 3-(difluoromethoxy)-1,1,1,2,2-pentafluoropropane, and transferring heat between the electronic component and the heat transfer fluid. The fluoroether 3-(difluoromethoxy)-1,1,1,2,2-pentafluoropropane may be synthesized by reacting 2,2,3,3,3-pentafluoro-1-propanol with chlorodifluoromethane (R-22).
Resumen de: US2024279426A1
A thermally conductive composition includes a non-silicone polymer resin curable in place along a thermal dissipation pathway. The composition exhibits a low density for particular use in weight-sensitive applications that require a thermal conductivity of at least 1.5 W/m*K.
Resumen de: US2024280638A1
A battery sensing unit and a battery module including the battery sensing unit are disclosed. In an embodiment, the battery sensing unit forming one plane comprises a sensing body extending in a transverse direction, a first sensing bridge extending forward from a first end of the sensing body, a second sensing bridge extending forward from a second end of the sensing body, a first sensing connector forming a shape extending from an end of the first sensing bridge toward the second sensing bridge, and a second sensing connector forming a shape extending from an end of the second sensing bridge toward the first sensing bridge. The first sensing connector is positioned between the sensing body and the second sensing connector.
Resumen de: US2024282954A1
This positive electrode active material for a lithium secondary battery contains a lithium metal composite oxide containing at least Li and Ni, and satisfies (1) and (2):(1) a pore volume in a range of pore diameter of 2 to 10 nm is 9.0×10−4 cm3/g or less in a pore diameter distribution in an adsorption isotherm as determined by measurement of an adsorption isotherm and a desorption isotherm of nitrogen gas and a Barrett-Joyner-Halenda method; and(2) a pore diameter at which a log differential pore volume is a maximum value in a log differential pore volume distribution in a range of pore diameter of 2 to 200 nm based on a pore diameter distribution in a desorption isotherm as determined by measurement of an adsorption isotherm and a desorption isotherm of nitrogen gas and a Barrett-Joyner-Halenda method is more than 10 nm and 200 nm or less.
Resumen de: US2024282951A1
A cathode active material precursor for a lithium secondary battery includes nickel and at least one metal except for nickel. The cathode active material precursor includes primary particles having a major axis length of 500 nm or less and an aspect ratio in a range from 1.0 to 3.0. A volume ratio of micropores having a pore diameter of 2 nm or less relative to a total pore volume is 1.4% or less.
Resumen de: US2024282945A1
Disclosed is an active material composite particle including Si and having low volume expansion in charging. The active material composite particle of present disclosure comprises a plurality of first particles and at least one second particle, wherein the first particles comprise porous silicon, a reaction potential between the second particle and Li is lower than a reaction potential between the porous silicon and Li, and a ratio D2/D1 of a particle diameter D2 of the second particle to a particle diameter D1 of the first particles is 2.0 or more.
Resumen de: US2024283086A1
A system can comprise a shell, one or more battery cells disposed within the shell, and a pressure-directing layer disposed between the battery cell(s) and the shell's interior surface. Each of the battery cell(s) can comprise an enclosure including a gas-impermeable portion and a venting portion configured to permit gas to exit the enclosure. The pressure-directing layer can comprise one or more openings that each overlie the venting portion of the enclosure of at least one of the battery cell(s). In some systems, the pressure-directing layer can have a thickness that is less than a distance between the battery cell(s) and the interior surface of the shell such that there is a space between the battery cell(s) and the interior surface of the shell. In some systems, the pressure-directing layer can be coupled to the battery cell(s) and the interior surface of the shell and comprise a resilient material.
Resumen de: US2024283115A1
A safety mechanism includes a connecting piece and an expanding layer. The connecting piece includes a first connecting portion, a fusing portion, and a second connecting portion that are connected in sequence. The expanding layer is disposed on a side of the first connecting portion or the second connecting portion in a first direction and located at a position of the first connecting portion or the second connecting portion close to the fusing portion. The first direction is a thickness direction of the connecting piece.
Resumen de: WO2024168480A1
The present application provides an electrochemical apparatus and an electronic apparatus. The electrochemical apparatus comprises a positive electrode sheet and an electrolyte solution. The positive electrode sheet comprises a positive electrode active material layer, the positive electrode active material layer comprises a positive electrode active material, and the positive electrode active material comprises a lithium transition metal composite oxide having a P63mc crystal structure. The electrolyte solution comprises a fluorine-containing solvent and a polynitrile compound having a number of cyano groups greater than or equal to 3 in the molecule. Based on the mass of the electrolyte solution, the mass percentage of the fluorine-containing solvent is 50% to 90%. By means of using the positive electrode active material having the P63mc crystal structure, the fluorine-containing solvent, and the polynitrile compound, the long cycle performance of the electrochemical apparatus at high voltages can be improved.
Resumen de: WO2024168471A1
The present application provides a second battery and an electrical device. The secondary battery comprises a negative electrode sheet. The negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer; the negative electrode film layer has a first surface away from the negative electrode current collector and a second surface arranged opposite to the first surface; the thickness of the negative electrode film layer is denoted as H, the area within a thickness range from the second surface to 0.3 H of the negative electrode film layer is denoted as a first area of the negative electrode film layer, and the area within a thickness range from the first surface to 0.3 H of the negative electrode film layer is denoted as a second area of the negative electrode film layer; the first area comprises a first active material, and the second area comprises a second active material; the first active material comprises a first carbon-based material and a first silicon-based material; the first carbon-based material comprises primary particles, and the first silicon-based material comprises secondary particles formed by aggregation of the primary particles.
Resumen de: WO2024168374A1
An electrical connector set comprising first and second complementary connectors; the first connector having first and second terminal assemblies; the second connector having third and fourth terminal assemblies; the terminals arranged so that when the first and second connectors are connected together the first and third terminals assemblies and the second and fourth terminal assemblies are connected together, the third terminal assembly comprise a first terminal part and a second terminal part joined by a resistor, with the a first and second terminal parts located so that when the connectors are fully engaged the first terminal assembly engages with at least the second terminal part and that as the connectors are engaged the first terminal part engages with the first terminal assembly before the second terminal part engages with the first terminal assembly.
Resumen de: WO2024171684A1
This autonomous work system comprises a plurality of autonomous work machines and a first charge station. Each of the plurality of autonomous work machines includes a battery. Each of the plurality of autonomous work machines moves to a work position for performing predetermined work. Each of the plurality of autonomous work machines waits at a first waiting position when another autonomous work machine is present at the work position. The first charge station is disposed at the first waiting position. The first charge station charges the battery of an autonomous machine waiting at the first waiting position through wireless power transmission.
Resumen de: US2024279068A1
A preparation method of an artificial graphite includes heat-treating a graphite raw material to obtain artificial graphite, where an ambient atmosphere of the heat treatment is a mixed gas including a gas that is at least one of oxygen or water vapor and including a chemically inert gas, and, during the heat treatment, the graphite raw material is in a motion state.
Resumen de: US2024279071A1
This disclosure relates generally to aerogel technology. The disclosure relates more particularly, in various embodiments, to improved methods for producing aerogels and improved aerogel composites having a low compression set.
Resumen de: US2024279070A1
Disclosed are a silicon carbon composite anode material, a method of preparing the same, and a secondary battery including the same. In one embodiment, the anode material comprises: a primary particle comprising a first hollow core having a first hollow portion therein and nano-silicon particles packed in the first hollow portion; and a secondary particle comprising a second hollow core having a second hollow portion therein and at least one primary particle packed in the second hollow portion, wherein the first hollow core has a different hardness than the second hollow core.
Resumen de: US2024279069A1
A two-dimensional particle including: one or plural layers, the one or plural layers having a layer body represented by: MmXn, wherein M is at least one metal of Group 3, 4, 5, 6, or 7, X is a carbon atom, a nitrogen atom, or a combination thereof, n is 1 to 4, m is more than n but not more than 5, and a modifier or terminal T existing on a surface of the layer body, wherein T is at least one selected from a hydroxyl group, an amine group, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, an oxygen atom, a sulfur atom, a selenium atom, a tellurium atom and a hydrogen atom; a metal cation is at least one cation selected from Na and K, and a content of Li in the two-dimensional particle is less than 0.002% by mass.
Resumen de: US2024280642A1
A high voltage high current (HVHC) battery testing system (BTS) is provided that has a plurality of HVHC channels for testing multiple batteries simultaneously, where each HVHC channel provides programmed current, voltage or power, and where each HVHC channel is configured to test multiple batteries connected in a series configuration simultaneously. A low voltage low current (LVLC) BTS has a plurality of LVLC channels, where an LVLC channel is connected to each of the batteries or to each group of the batteries in a parallel configuration. Each LVLC channel provides programmed current, voltage or power according to a preloaded schedule or to a command from a control unit. The LVLCBTS is configured to provide measurement, storage and transfer of test data according to a programmed schedule. The HVHCBTS and the LVLCBTS are configured to pass current through each battery simultaneously, where the current passed through each battery by the LVLCBTS is less than 10% of the current passed through each battery by the HVHCBTS.
Resumen de: US2024282969A1
A positive electrode active material has an inner core and a shell coating the inner core, wherein the inner core comprises at least one of a ternary material, dLi2MnO3·(1−d)LiMO2 and LiMPO4, where 0
Resumen de: US2024282941A1
According to various aspects, an electrochemical storage device includes a sintered electrode. The sintered electrode includes a doped LiMn2O4. The doped LiMn2O4 comprises at least 95 wt % of the sintered electrode. Alternatively or in combination, the sintered electrode can include a coated LiMn2O4 substrate.
Resumen de: US2024282976A1
For making battery electrodes, a composite strip of a cast ribbon of an electrically conductive metal attached to and extending along an edge of a web of electrically conductive carbon fiber material, also called a carbon felt in some examples, with a plurality of spaced apart notches cast in the ribbon and opening to an edge of the ribbon spaced from the carbon fiber material. A rotatable drum with a mold cavity and a confronting casting shoe for supplying molten metal, such as liquid lead, to the cavity may be used in a casting machine to continuous cast the composite strip.
Nº publicación: US2024283099A1 22/08/2024
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Resumen de: US2024283099A1
A battery cell, a battery, a power consumption device, and a method and device for producing a battery cell are provided. The battery cell includes: a housing which has an accommodating cavity and an opening at one end. The housing has a first wall which is adjacent to the opening; an electrode terminal, disposed on the first wall; an electrode assembly, accommodated in the accommodating cavity and having a tab; and a connecting component which is configured to electrically connect the electrode terminal and the tab and includes a first portion and a second portion that are relatively bent. The first portion is configured to be electrically connected to the electrode terminal, the second portion is configured to be electrically connected to the tab, and the tab is located between the second portion and the opening or the second portion is located between the tab and the opening.
BOPI
Sede Electrónica
