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: 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: 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: US2024282924A1
The present application relates to the field of anode material, providing an anode material and a preparation method thereof, and a lithium ion battery, where the anode material, includes an aggregate, the aggregate includes an active material, a carbon material, and a conductive enhancer; where the conductive enhancer has a tensile strength of ≥500 MPa, and a dispersibility N in the anode material of ≥1. The node material can be effectively suppressed, improving cell cycle performance.
Resumen de: US2024283010A1
A solid electrolyte material comprising Li, T, X and A wherein T is at least one of P, As, Si, Ge, Al, and B; X is BH4; A is S, Se, or N. The solid electrolyte material may include glass ceramic and/or mixed crystalline phases, and exhibits high ionic conductivity and compatibility with high voltage cathodes and lithium metal anodes.
Resumen de: US2024282960A1
An electrochemical device includes a positive electrode, a negative electrode, a separator, and an electrolyte solution. The positive electrode includes a positive active material layer. The positive active material layer includes a positive active material represented by Formula (1): Li1+rNi1−p−qM1pM2qO2−sM3s Formula (1). In Formula (1), 0
Resumen de: US2024283069A1
The disclosure provides a battery module and a battery pack. The battery module includes a frame, a plurality of cells, and an output terminal base. The frame includes side plates opposite to each other and a first end plate and a second end plate opposite to each other. The plurality of cells are stacked and installed in the frame. The output terminal base includes a high-voltage and a low-voltage output terminal installation portions arranged side by side, and a limiting portion formed by extending from a bottom portion of the low-voltage output terminal installation portion. A top portion of the first end plate is provided with a limiting groove and an installation groove. The high-voltage output terminal installation portion is installed in the installation groove, and the limiting portion is installed in the limiting groove to connect the output terminal base to the first end plate.
Resumen de: US2024282956A1
A lithium secondary battery includes a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material and a nonaqueous electrolyte solution, wherein the positive electrode active material has a lithium composite transition metal oxide having a nickel content of 60 mol % or more in a total transition metal in a form of secondary particles formed by agglomeration of primary particles; and a boron containing coating layer on a surface of all or some of the primary particles, the nonaqueous electrolyte solution comprises a boron dissolved in the nonaqueous electrolyte solution, and a ratio B/A of a boron content (B) in the nonaqueous electrolyte solution to a boron content (A) in the positive electrode active material is 0.001 to 5. The lithium secondary battery according to the present disclosure has improved life characteristics.
Resumen de: WO2024169011A1
A waste battery module dismantling device, relating to the field of battery recycling. The device comprises a front-end conveying apparatus, a vertical milling center, a roller emergency treatment apparatus, an emergency water tank, and a rear-end conveying apparatus. The front-end conveying apparatus is used for transporting waste battery modules; the vertical milling center is arranged behind the front-end conveying apparatus and is used for dismantling the waste battery modules; the roller emergency treatment apparatus is arranged behind the vertical milling center and is used for discharging a waste battery module on fire; the emergency water tank is arranged below the roller emergency treatment apparatus and is used for receiving the waste battery module on fire; and the rear-end conveying apparatus is arranged behind the roller emergency treatment apparatus and is used for transferring the dismantled waste battery modules. According to the present application, module busbars can be automatically dismantled in batches, the dismantling process is safe and reliable, and the dismantling efficiency is high; in addition, the roller emergency treatment apparatus and the emergency water tank are further provided, thereby protecting the device and property.
Resumen de: WO2024168854A1
Provided in the present application are an electrode sheet, and a battery cell, a battery and an electric device related thereto. The electrode sheet comprises a current collector and an active substance layer arranged on at least one surface of the current collector, wherein the active substance layer comprises an active substance and an ether polymer and satisfies formulae (1) to (3). The ether polymer, which serves as a constituent part of the active substance layer, can form uniform high-infiltration points inside the active substance layer and uniformly improve the infiltration performance of the active substance layer, such that the overall liquid absorption speed of the active substance layer is increased, and the cycling performance of a battery cell is improved.
Resumen de: WO2024168990A1
The present application relates to the technical field of lithium ion batteries, and provides a lithium-cobalt composite oxide and a preparation method therefor and a use thereof. The general formula of the lithium-cobalt composite oxide of the present application is: LicCo1-d-e-fMdQeEfO2·rLiaCo1-bTbO4/3, wherein (a×r+c)/(1+r)≤1, M, Q and E are independently selected from at least one of Mg, Al, Ni, Mn, Y, La, Zr, F, P, B, Ti, Cu and Na, and T is at least one of Zr, Mg, Y, Al, B, Ni and Mn. According to the present application, doping elements are introduced in different doping forms, precursor in-situ doping, self-doping and coating are used, and the synergistic effect of various elements is used, so that irreversible phase change of a T element-containing and cobalt substance-coated positive electrode material under a high voltage is inhibited, and the structural stability of the positive electrode material is improved, thereby realizing good electrochemical performance such as cycle performance under a high voltage.
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
Nº publicación: US2024282941A1 22/08/2024
Solicitante:
UNIV OF VIRGINIA PATENT FOUNDATION [US]
University of Virginia Patent Foundation
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.