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1111
resultados
Última actualización
02/09/2024 [07:41:00]
Resultados 625 a 650 de 1111
Resumen de: US2024282914A1
A high-entropy hydrogen storage alloy includes Ti: 5 atom % or more and 35 atom % or less, Zr: 5 atom % or more and 35 atom % or less, Ni: 5 atom % or more and 35 atom % or less, Cr: 5 atom % or more and 35 atom % or less, and Mn: 5 atom % or more and 35 atom % or less, in which a mixing entropy ΔSmix represented by the following formula (1) is 1.5 R or more. The crystal structure of a main phase is a C14 type.ΔSmix=−RΣxi ln(xi) (1)(wherein R in the formula (1) represents the gas constant, and xi represents a molar fraction of an individual element contained in the high-entropy hydrogen storage alloy.)
Resumen de: US2024282961A1
Disclosed herein is a process for making a coated cathode active material, where the process includes the following steps:(a) providing an electrode active material according to general formula Li1+xTM1−xO2, where TM is a combination of metals according to general formula (I), and x is in the range of from zero to 0.2, with a moisture content in the range of from 500 to 1,500 ppm,(b) reacting the electrode active material with a silicon alkoxide and an alkyl aluminum compound in one or more sub-steps, and(c) heat-treating the material so obtained in an oxygen-containing atmosphere at a temperature in the range of from 100 to 400° C. for 10 minutes to 4 hours.
Resumen de: WO2024169480A1
Provided is a battery, comprising a first battery cell, a second battery cell, a packaging film, and a separator. The packaging film comprises a first film shell and a second film shell, the separator is arranged between the first film shell and the second film shell, the separator is used for separating the first film shell and the second film shell, and a first accommodating cavity and a second accommodating cavity which are arranged in parallel are thus formed. The first battery cell is accommodated in the first accommodating cavity, and the second battery cell is accommodated in the second accommodating cavity. The first film shell, the separator and the second film shell form a plurality of packaging edges, and the plurality of packaging edges comprise a first packaging edge where tabs of the first battery cell and tabs of the second battery cell are located. The thickness of a hot melt adhesive of the first packaging edge on the side of tabs of each of at least one of the first battery cell and the second battery cell close to the separator is greater than the thickness of a hot melt adhesive of the first packaging edge on the side of the tabs of the battery cell distant from the separator. Thus, a certain distance is kept between a non-separator side of sealed tabs and a packaging film can be ensured, so that the risk of short circuit caused by contact of the tabs is lowered, thereby improving the safety of a battery.
Resumen de: WO2024169472A1
A current collecting assembly, an energy storage apparatus, and an electric device. The current collecting assembly comprises a first connecting member and a second connecting member; the first connecting member comprises a first connecting portion, a second connecting portion, and a conducting portion; the conducting portion is provided with at least one first reinforcing rib and at least one second reinforcing rib, the first reinforcing rib protrudes out of a first surface of the conducting portion, and the second reinforcing rib protrudes out of a second surface of the conducting portion; the second connecting portion is mechanically connected to the surface of the second connecting member, and after the second connecting portion rotates, the second connecting member is located on the side of the second connecting portion facing away from the conducting portion.
Resumen de: WO2024169494A1
The present invention relates to the field of lithium-ion batteries, and in particular relates to a gel electrolyte lithium-ion battery containing an ionic polymer and a preparation method therefor. The gel electrolyte lithium-ion battery containing an ionic polymer comprises a positive electrode, a negative electrode, an isolator and an electrolyte; at least one of the positive electrode, the negative electrode and the isolator comprises an ionic polymer, and in the ionic polymer, Mw/Ma is 2-2000, Mw being the weight average molecular mass of the ionic polymer, Ma being the ratio of the mass of the ionic polymer to the molar number of anionic groups contained therein, and Ma being 100-2000 g/mol. The gel electrolyte lithium-ion battery may be prepared using a traditional production process, preventing the problems in the existing technology of a process being complex or an electrolyte being unstable and electrode infiltration being difficult, which are caused by adding a gel polymer or a precursor thereof into an electrolyte. Moreover, said battery may meet the requirements for high-energy density batteries.
Resumen de: WO2024172398A1
According to exemplary embodiments, an inspection device is provided. The device comprises: a scanner configured to scan a resin composition on a frame to determine a three-dimensional profile of the frame and the resin composition on the frame; and an analyzer configured to determine the area of the resin composition and the mass of the resin composition on the basis of the three-dimensional profile.
Resumen de: WO2024172516A1
Disclosed is a battery package. The battery package according to the present invention may comprise: a pack case; a plurality of battery modules respectively accommodated in accommodation spaces of the pack case; drain parts arranged below the battery modules; and heat conductive members that are arranged between the battery modules and the drain parts and melt and flow down to the drain parts in the event of thermal runaway in the battery modules, thereby forming insulating spaces between the battery modules and the drain parts.
Resumen de: WO2024172408A1
An anode (100) for a secondary battery, according an embodiment, comprises: an anode current collector (10); and an anode mixture layer (20) arranged on at least one surface of the anode current collector and comprising a first carbon-based active material, a second carbon-based active material, and a silicon-based active material, wherein the anode mixture layer comprises: a first anode mixture layer (21) on at least one surface of the anode current collector; and a second anode mixture layer (22) on the first anode mixture layer, an amount of a first carbon-based active material in the first anode mixture layer (21) is greater than that of a first carbon-based active material in the second anode mixture layer (22), an amount of a second carbon-based active material in the first anode mixture layer (21) is less than that of a second carbon-based active material in the second anode mixture layer (22), and the first carbon-based material has, according to equation 1, an OI value that is equal to or less than an OI value of the second carbon-based material. Equation 1 OI = I004 / I110 In equation 1, OI is a crystal orientation index according to XRD measurement, I004 is a peak intensity of plane (004) in XRD measurement for the carbon-based active material, and I110 is a peak intensity of plane (110) in XRD measurement for the carbon-based active material.
Resumen de: WO2024172712A1
The present application relates to a device for evacuating unwanted matter from an enclosure (16) of a battery pack (14) arranged in a vehicle (10), which vehicle (10) is provided with at least one pressurized air tank (18), wherein the device comprises a conduit (20. 20') connected to the at least one air tank (18) as well as to the (16) enclosure of the battery pack; a first valve (22) provided in said conduit (20, 20') for opening and closing a passage between said at least one air tank (18) and the interior of said enclosure (16); a second valve (28) provided in said enclosure (16) for opening and closing an outlet from said enclosure (16), wherein, when said first valve (22) is opened, pressurized air enters said enclosure (16), causing unwanted matter to exit through said second valve (28), and at least one sensor (32, 36) provided in said enclosure (16), which at least one sensor (32, 36) is capable of detecting unwanted matter inside said enclosure (16), and operably connected to said first valve (22) for opening said first valve (22) when unwanted matter is detected.
Resumen de: US2024278964A1
A sealing box and a standing device are disclosed. The sealing box includes an upper cover; a lower cover which is detachably connected to the upper cover and encloses with the upper cover to form an accommodating chamber, and defines a sealing groove toward the upper cover and an inflation hole capable of inflating airflow into the sealing groove; and an elastic sealing ring which includes a sealing end sealedly contacting the upper cover and a deformation end extending into the sealing groove. The deformation end is deformed under force of the airflow and squeezes the sealing groove, so as to apply a force to the lower cover toward the upper cover.
Resumen de: US2024278869A1
A vehicle includes a frame, a plurality of wheels supporting the frame, and a prime mover system and battery supported on the frame. The vehicle further includes at least one first controller communicating digitally using a communications protocol on a local area network, and a second controller. The first controller is capable of being activated out of a sleep state by an instruction transmitted by the local area network using the communications protocol, whereas the second controller is capable of being activated out of a sleep state by an activation signal transmitted by directly by hard wires without using the communications protocol.
Resumen de: US2024282535A1
The present application is directed to compositions and methods of preparing carbon materials. The carbon materials prepared according to compositions and methods described herein comprise enhanced electrochemical properties and find utility in any number of electrical devices, for example, as electrode material in ultracapacitors.
Resumen de: US2024281035A1
A sturdy electronic device is provided. A reliable electronic device is provided. A novel electronic device is provided. An electronic device includes a first board, a second board, a display portion having flexibility, and a power storage device having flexibility. The first board and the second board face each other. The display portion and the power storage device are provided between the first board and the second board. The display portion includes a first surface facing the power storage device. The first surface includes a first region not fixed to the power storage device. The first region overlaps with a display region of the display portion.
Resumen de: US2024283280A1
A mild-hybrid energy storage system architecture is provided, comprising: a battery; an ultracapacitor connected in parallel with the battery; a passive battery pre-charge circuit connected between a terminal of the battery and a DC bus; a battery main contactor connected in parallel with the battery pre-charge circuit between the terminal of the battery and the DC bus; a passive ultracapacitor pre-charge circuit connected between a terminal of the ultracapacitor and the DC bus; an ultracapacitor main contactor connected in parallel with the ultracapacitor pre-charge circuit between the terminal of the ultracapacitor and the DC bus; and a control module configured to independently control operation of the battery pre-charge circuit, the battery main contactor, the ultracapacitor pre-charge circuit and the ultracapacitor main contactor.
Resumen de: US2024282972A1
A lithium ion battery is disclosed. The lithium ion battery includes: a positive electrode current collector with positive electrode active material disposed on a surface thereof; a negative electrode current collector with negative electrode active material disposed on a surface thereof, and the negative electrode current collector being disposed opposite to the positive electrode current collector; a separator and electrolyte disposed between the positive electrode active material and the negative electrode active material; a positive electrode column in electrical contact with the positive electrode current collector; a negative electrode column in electrical contact with the negative electrode current collector; and an outer housing enclosing the positive and negative electrode current collectors, the separator and electrolyte, and wherein the positive and negative electrode columns pass through the outer housing; wherein, the surfaces of the positive electrode current collector and the negative electrode current collector include an orderly and/or randomly textured structure.
Resumen de: US2024283101A1
A battery cell includes a battery cell body, at least two tabs, a first connector and at least two insulators. The first connector is configured to fasten a tail end of an electrode assembly to an outer surface of the battery cell body; the at least two tabs include a first tab and a second tab, and the at least two insulators include a first insulator and a second insulator, where first ends of the first insulator and the second insulator are all provided on the battery cell body, a second end of the first insulator covers part of the first tab, and a second end of the second insulator covers part of the second tab; and in a width direction of the battery cell body, the first insulator is provided close to the first connector, where at least part of the first insulator is located outside the first connector.
Resumen de: US2024282913A1
The invention provides improved slurries for the polishing of hard materials such as those having a Mohs hardness of greater than about 6. Exemplary hard surfaces include sapphire, silicon carbide, silicon nitride, and gallium nitride, and diamond. In the compositions and method of the invention, novel compositions comprising a unique combination of additives which surprisingly were found to uniformly disperse diamond particles having a wide range of particle size in a slurry. In the method of the invention, the generally alkaline slurry compositions of the invention are capable of utilizing diamond particle sizes of greater than 40 microns while effecting good removal rates. In such cases, when utilized with a suitable pad, rapid and planar grinding of silicon carbide, silicon nitride, sapphire, gallium nitride, and diamond is possible, with uniform surface damage.
Resumen de: US2024282942A1
Described are composites having at least one layer, the at least one layer including an alloy of Al and at least another component or at least one layer including a first and second pluralities of particles. The first plurality of particles may be selected from at least one of Al particles and Al alloy particles. The second plurality of particles may be selected from at least one of metal particles and non-metal particles, wherein the metal particles are selected from at least one of zinc, silicon, bismuth, copper, germanium, indium, antimony, tin, magnesium, or combinations thereof, and the non-metal particles are selected from at least one of carbon, lithium titanium oxide, titania, MoO, MoS2, Co2O4, MnO2, Fe2O3, Fc3O4, FeS, CuO, or combinations thereof. The composites may be used as both current collectors and active material.
Resumen de: WO2024169504A1
Provided in the present application are an accurate power-supplementing method and system for improving the consistency of an energy storage battery box, and a storage medium. The accurate power-supplementing method for improving the consistency of an energy storage battery box comprises: (S110) acquiring a battery box required power supplementing, and leaving said battery box standing for a preset period of time; (S120) connecting a BMU of said battery box to a BMS, and measuring voltages of battery cells in real time; (S130) acquiring a battery cell CELL_m having the lowest voltage; (S140) calculating a power-supplementing cut-off voltage Vend; (S150) performing constant-current power-supplementing on the battery cell CELL_m until the voltage of the battery cell CELL_m reaches Vend, and stopping power supplementing; and (S160) leaving said battery box standing for a preset period of time, so as to complete power supplementing.
Resumen de: WO2024168951A1
Disclosed in the present invention are a low-cost single-crystal sodium-ion battery positive electrode active substance, and a preparation method therefor and the use thereof. The chemical formula of the single-crystal sodium-ion battery positive electrode active substance is NaiMxByMgzO2, wherein M is selected from multiple metal elements, 0.60≤i≤1.40, 0.6≤x≤0.9999, 0.0001≤y≤0.4, 0.0001≤z≤0.4, and 0.9≤x+y+z≤1.1. The preparation method comprises: a step of adding water to a compound containing an M metal element, a magnesium source, a compound containing boron, and a sodium source, so as to prepare a slurry, and sanding the slurry to obtain a mixed slurry; and a step of subjecting the mixed slurry to spray drying and sintering same to obtain a single-crystal sodium-ion battery positive electrode active substance. The preparation method of the present invention can improve the electrical performance of the positive electrode active substance and can also reduce the cost thereof.
Resumen de: WO2024168836A1
Provided in the present application are a polymer, an electrode sheet, and a battery cell, a battery and an electrical apparatus related thereto. The polymer comprises an ether polymer, the ether polymer being processed into a sheet-like structure. The sheet-like structure undergoes a dynamic-frequency scanning test at (Tm + 20)°C to obtain an elastic modulus G'-loss modulus G'' curve, wherein the slope of the elastic modulus G'-loss modulus G'' curve is K, 1
Resumen de: WO2024172331A1
The present invention relates to a battery pack having excellent shock resistance and, particularly to, a battery pack comprising: a frame unit including a square-shaped outer frame for forming storage space, and a support frame located on the inner edge of one side of the outer frame; a battery cell stored in the storage space; a BMU electrically connected to the battery cell while having one surface oriented toward the upper surface of the support frame; and a BMU cover having a cover plate located on the other surface of the BMU, wherein the support frame includes a first seating part and a second seating part, which is thicker than the first seating part.
Resumen de: WO2024172314A1
Disclosed are: a negative electrode active material preparation method that can reduce the risk of explosion; a method for producing a negative electrode material using a negative electrode active material prepared thereby; and a secondary battery including the negative electrode material produced by the negative electrode material production method. The negative electrode active material preparation method comprises the steps of: mixing a plate-like negative electrode active material, a non-aqueous binder, and an organic solvent to form a slurry; applying the slurry to a base to form a coating layer; thermally drying the coating layer; cutting the coating layer to form negative electrode material flakes; and ball milling the negative electrode material flakes.
Resumen de: WO2024172104A1
This electrode comprises a conductive member and a fiber sheet disposed on the surface of the conductive member. In an embodiment, the conductive member is, for example, an alkali metal (excluding alloys of alkali metals). In another embodiment, the conductive member, for example, contains a conductive base material and a foil-shaped or film-shaped alkali metal disposed on the surface of the base material. The fiber sheet, for example, is disposed in contact with the surface of the alkali metal. In yet another embodiment, the conductive member is, for example, a conductive base material (excluding alkali metals).
Nº publicación: WO2024172549A1 22/08/2024
Solicitante:
SK ON CO LTD [KR]
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Resumen de: WO2024172549A1
The present disclosure relates to an electrode assembly manufacturing device and an electrode assembly manufacturing method. The electrode assembly manufacturing device and the electrode assembly manufacturing method enable an electrode assembly to be manufactured by using an electrode plate which has a preset alignment state and contains no foreign matter and of which the shape is not damaged, and a separator of which the shape is not damaged.
BOPI
Sede Electrónica
