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56results about "Inorganic insulators" patented technology
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Temperature-resistant and wear-resistant three-layer insulated wire and preparation method thereof
ActiveCN120674164APlastic/resin/waxes insulatorsInsulated cablesLow-density polyethylenePolymer science
The invention discloses a temperature-resistant and wear-resistant three-layer insulated wire and a preparation method thereof, and relates to the technical field of cables. The preparation method comprises the following steps: extruding the inner layer material on the surface of the conductor material to form the inner insulating layer, extruding the modified silicone rubber on the surface of the inner insulating layer to form the middle layer, extruding the outer layer material on the surface of the middle layer to form the outer insulating layer, and curing to obtain the high-temperature-resistant flame-retardant cable material. Wherein the inner-layer material is prepared from low-density polyethylene, an antioxidant 1010, insulating particles, a voltage stabilizer and the like; the modified silicone rubber is prepared from silicone rubber, a boron nitride compound, modified magnesium oxide and the like; the outer-layer material is prepared from the inner-layer material and a boron nitride compound. Due to the introduction of the components such as the insulating particles, the voltage stabilizer and the boron nitride compound, the high voltage resistance, the aging resistance, the wear resistance and the temperature resistance of the crosslinked polyethylene insulated power cable are effectively improved. Therefore, the method has a wide application prospect.
Owner:SHENZHEN DARUN SCI & TECH CO LTD
Low-voltage aluminum conductor and preparation method thereof
ActiveCN120432221APlastic/resin/waxes insulatorsInorganic insulatorsElectrical conductorCross-linked polyethylene
The invention relates to the technical field of metal wires, in particular to a low-voltage aluminum wire and a preparation method thereof, the sectional area of the wire is 35 square millimeters, the wire comprises an aluminum alloy conductor and an insulating layer, the aluminum alloy conductor comprises the following chemical components: 0.7-0.9% of magnesium, 0.4-0.6% of silicon, 0.15-0.25% of copper, 0.08-0.12% of zirconium, 0.05-0.09% of scandium, 0.03-0.07% of silver, 0.01-0.03% of erbium, 0.02-0.04% of vanadium and the balance of aluminum, and the microstructure of the aluminum alloy conductor is in gradient distribution. The center is ultra-fine grains, a transition region contains a nano precipitated phase, the surface layer is of a high-density dislocation and nano precipitated phase synergistic reinforcement structure, the insulating layer is of a double-layer composite structure, the inner layer is a crosslinked polyethylene modified layer, the outer layer is an ethylene-tetrafluoroethylene copolymer modified layer, the electric conductivity is improved to 58% IACS or above, and the tensile strength is improved to 280 MPa or above.
Owner:SUZHOU BORDNETZE ELECTRICAL SYST LTD
Preparation method of bending-resistant sensor cable for high-speed motor train unit
The invention relates to the technical field of rail transit cables, in particular to a preparation method of a bending-resistant sensor cable for a high-speed motor train unit. The preparation method comprises the steps of conductor three-layer twisting and annealing, insulating layer gradient extrusion and plasma treatment, filling, twice wrapping, double-layer shielding, double-layer sheath co-extrusion and irradiation crosslinking post-treatment. The structure of the bending-resistant sensor cable sequentially comprises a high-elasticity fiber rope filler, a copper alloy conductor with a TPEE insulating layer, a thin flame-retardant cloth wrapping layer, an elastic silica gel inner shielding layer, a tinned copper wire and fiber filament outer shielding layer, a thin non-woven fabric wrapping layer and a cross-linked polyurethane double-layer sheath from inside to outside. The bending resistance of the cable exceeds 500,000 times, the cable works stably at the temperature of-50 DEG C to 125 DEG C, the service life is prolonged by 2-3 times, and the cable is suitable for the harsh environment of the high-speed motor train unit.
Owner:ANHUI KANGLIYA CO LTD +1
Synchronous crosslinking type flame-retardant cable composite material and preparation method thereof
The invention provides a synchronous crosslinking type flame-retardant cable composite material and a preparation method thereof, and belongs to the technical field of cable materials. Partial discharge is inhibited through high dielectric constant and polarization performance of transition metal zirconium phosphate, a carbonized layer is generated at high temperature, and the flame retardant property is improved; the modified fiber combines high orientation of liquid crystal macromolecules and excellent mechanical and flame retardant properties of polyether-ether-ketone, and forms a block copolymer through dynamic grafting, so that the toughness, fatigue life and thermal stability of the material are enhanced; the silane-metal complex precursor improves the moisture resistance, flame retardance and heat insulation performance of the material through the water sealing effect of a silicon-oxygen network and a micro-ceramic layer generated at high temperature; all the components show a remarkable synergistic effect in the aspects of flame retardance, electrical performance and mechanical performance, multiple flame-retardant barriers are formed, the electrical performance of the material is stabilized, and the overall mechanical performance and interface stability of the composite material are remarkably enhanced.
Owner:SHENZHEN BENDAKANG CABLE
Manufacturing method of mining high-temperature-resistant enameled wire and product thereof
PendingCN120452929APlastic/resin/waxes insulatorsInsulated cablesElectrical conductorHexagonal boron nitride
The invention discloses a manufacturing method of a mining high-temperature-resistant enameled wire and a product thereof. The manufacturing method comprises the following steps: carrying out gradient annealing treatment on a metal conductor; under the protection of inert gas, dipping the metal conductor in the insulating paint; coating the insulating paint on the surface of the metal conductor through a multi-time coating and baking process; continuously coating a protective layer on the surface of the metal conductor; and continuously carrying out pulse electromagnetic field treatment to finally obtain the required mining high-temperature-resistant enameled wire. Through synergistic interaction of polyimide, the nano boron nitride-aluminum oxide composite filler, the phosphorus-containing flame retardant and the hexagonal boron nitride sheet layer, the high temperature resistance, the heat resistance, the insulativity and the mechanical strength of the enameled wire are remarkably improved, the protective layer is designed outside the insulating layer, the corrosion resistance, the explosion-proof performance and the mechanical performance of the enameled wire are remarkably improved, and the service life of the enameled wire is prolonged. And the device is suitable for high-corrosion, high-humidity and explosive environments of mines, and meets the reliable operation requirements of mine motors under extreme working conditions.
Owner:GUANGDE HENGTONG COPPER IND CO LTD
Temperature-resistant and wear-resistant three-layer insulated wire and preparation method thereof
ActiveCN120674164BPlastic/resin/waxes insulatorsInsulated cablesLow-density polyethyleneInsulation layer
The application discloses a kind of temperature-resistant wear-resistant three-layer insulated wire and preparation method thereof, it is related to cable technical field.The preparation method of the application is: the surface of conductor material is extruded and packed inner layer material to form inner insulation layer, then the surface of inner insulation layer is extruded and packed modified silicone rubber to form middle layer, then the surface of middle layer is extruded and packed outer layer material to form outer insulation layer, and high-temperature-resistant flame-retardant cable material is obtained after curing.In which, inner layer material is made of low-density polyethylene, antioxidant 1010, insulation particle, voltage stabilizer and the like;Modified silicone rubber is made of silicone rubber, boron nitride compound, modified magnesium oxide and the like;Outer layer material is made of inner layer material, boron nitride compound.The introduction of insulation particle, voltage stabilizer, boron nitride compound and the like components effectively improves the high-voltage resistance, aging resistance, wear resistance and temperature resistance of crosslinked polyethylene insulated power cable wire.Therefore, the application has wide application prospect.
Owner:SHENZHEN DARUN SCI & TECH CO LTD
Stress control method of SiO2 layer based on silicon-containing polymer
The present invention relates to a method for regulating stress in a SiO2 layer based on a silicon-containing polymer, and belongs to the technical field of silicon-containing polymers. In the method of the present invention, a boron-containing compound is used to modify the silicon-containing polymer. The modified silicon-containing polymer can avoid common defects such as pores and micro-phase separation during thermal annealing, thereby increasing the density of the dielectric layer, reducing the stress of the SiO2 layer, and improving its electrical performance and reliability. The process of the present invention is simple and easy to scale up. The method of the present invention can freely regulate the stress of the SiO2 layer over a wide range. The SiO2 layer prepared in the present invention can provide higher performance in microelectronic devices and has good application prospects.
Owner:INST OF CHEM CHINESE ACAD OF SCI
Modification method of hexagonal boron nitride and silane modified boron nitride
The invention discloses a modification method of hexagonal boron nitride and silane modified boron nitride, and relates to the technical field of boron nitride. The modification method comprises the following steps: sintering hexagonal boron nitride, and removing boron oxide to obtain modified boron nitride powder; the preparation method comprises the following steps: mixing a silicon source with anhydride, adding tetrabutyl titanate for reaction, and reacting the obtained supramolecular polysiloxane with methoxypolyethylene glycol to obtain hyperbranched polysiloxane; and mixing the modified boron nitride powder and hyperbranched polysiloxane, and adding a pH regulator to hydrolyze the hyperbranched polysiloxane on the boron nitride to obtain the silane modified boron nitride. According to the modification method, the silicon oxide layer is formed on the surface of the boron nitride, so that the performance of the boron nitride in the radiation refrigeration material is greatly enhanced, application is facilitated, and high refrigeration is realized; oxygen-containing sites introduced by the silicon oxide layer can form strong interaction with polymer molecular chains, so that uniform dispersion in a polymer matrix is enhanced, and the overall performance of the composite material is improved.
Owner:SHANGHAI JIAOTONG UNIV +1
Multilayer structure and method for producing multilayer structure
A laminated structure includes a substrate having a first surface and a second surface provided continuously with the first surface, a first insulating film on the first surface and the second surface, and a second insulating film on the first insulating film and on a corner portion formed at a boundary between the first surface and the second surface, wherein a difference between a thermal expansion coefficient of the substrate and a thermal expansion coefficient of the second insulating film is smaller than the difference between the thermal expansion coefficient of the substrate and the thermal expansion coefficient of the first insulating film. A manufacturing method for a laminated structure includes using a substrate having a first surface and a second surface provided continuously with the first surface, forming a first insulating film on the first surface and the second surface, and forming a second insulating film by melting and spraying an organic material on the first insulating film and in a gap of the first insulating film.
Owner:NHK SPRING CO LTD
Antenna module
An antenna module is provided. The antenna module comprises a dielectric on which is disposed one or more antenna elements configured to transmit and / or receive a radiofrequency signal; a communication circuit for processing the radiofrequency signal; an interconnect member that is electrically connected with the communication circuit and the antenna elements, wherein the interconnect member optionally contains a substrate on which a metal coating is disposed; and optionally, a shield member covering the communication circuit that contains a substrate on which a metal coating is disposed. The dielectric, the substrate of the interconnect member, and / or the substrate of the shield member contain a polymer composition comprising silicate fibers distributed within a polymer matrix that includes a thermotropic liquid crystalline polymer.
Owner:TICONA LLC
High-frequency dielectric material, semiconductor packaging substrate and manufacturing method thereof
InactiveCN120932961ASemiconductor/solid-state device detailsSolid-state devicesThermal dilatationDielectric loss
The invention discloses a manufacturing method of a high-frequency dielectric material and a semiconductor packaging substrate, and the high-frequency dielectric material comprises inorganic filler, bonding resin, film-forming resin, a curing agent and an accelerant. The high-frequency dielectric material provided by the technical scheme of the invention has a coefficient of thermal expansion (CTE) as low as 30 ppm / DEG C or below, a glass transition temperature (Tg) as high as 160 DEG C or above, a dielectric constant (Dk) between 3.0 and 3.3 at a specific high frequency and an extremely low dielectric loss (Df) between 0.0015 and 0.0025.
Owner:HUNAN KAIRUISI MICROELECTRONICS MATERIALS TECHNOLOGY CO LTD
Dielectric material and method for forming same
A dielectric material and a method of forming the same. A dielectric material is provided comprising a film comprising a layer of a two-dimensional (2D) material wherein the film has a dielectric constant ([kappa]) < = 3.0. A method of forming the dielectric material is also provided.
Owner:NATIONAL UNIVERSITY OF SINGAPORE
Direct current bushing with fluorinated electron blocking layer and insulation enhancing method thereof
PendingCN120544991AApparatus for heat treatmentDetails of conductive coresTemperature controlHigh electron
The invention discloses a direct current bushing with a fluorinated electron barrier layer and an insulation enhancement method thereof. A high-voltage guide rod structure comprises a power transmission side guide rod and a valve side guide rod, an amorphous fluorinated layer is arranged on the surface of the power transmission side guide rod; and a microcrystal fluorinated layer is arranged on the surface of the valve side guide rod. Wherein the power transmission side guide rod is heated and then subjected to a surface fluorination reaction under three-stage dynamic pressure regulation and control; and the valve side guide rod performs surface fluorination reaction by adopting two-stage temperature control and three-stage progressive pressure regulation and control. Fluorine atoms are introduced to the surface of the high-voltage guide rod to fluorinate the high-voltage guide rod, the surface valence band structure is changed, the electron work function is improved to inhibit electron field emission, and the surface flashover risk of a sleeve is reduced, so that the dielectric strength of a direct-current power transmission gas insulation system is improved.
Owner:GUANGXI UNIV
Formation of encapsulated nanoribbons in dielectric nanotubes
An encapsulated nanoribbon having a nanotube of a dielectric material, wherein the nanotube has a diameter and a first length, and a nanoribbon at least partially encapsulated within the nanotube, the nanoribbon including a transition metal dichalcogenide and having a width and a second length, the second length being coextensive with the first length, and the width being no greater than the diameter. Also disclosed are methods of making the encapsulated nanoribbon.
Owner:HONDA MOTOR CO LTD
A dedicated cable for high-torque robots
ActiveCN120833938BClimate change adaptationInorganic insulatorsLinear low-density polyethyleneElectrical conductor
The application discloses a special cable suitable for high-torque robots. The cable comprises a conductor, an insulating layer, a shielding layer and a sheath layer, the insulating layer is located outside the conductor, the shielding layer is located outside the insulating layer, and the sheath layer is located outside the shielding layer. The raw material of the sheath layer comprises the following components: 40-50 parts of linear low-density polyethylene, 30-40 parts of methyl vinyl silicone rubber, 1-2 parts of a crosslinking agent, 15-25 parts of modified silicon dioxide, 0.5-1 part of an antioxidant and 1-2 parts of a lubricant. The anti-torsion, wear resistance and flame resistance of the cable are improved by optimizing the material formula of the sheath layer, so that the cable can adapt to the frequent movement and complex working conditions of high-torque robots.
Owner:SICHUAN XINRONG ELECTRIC CABLE CO LTD
Hybrid insulating compound for use in systems requiring high power of thermal insulation
A hybrid compound for insulating a substrate is formed by dispersing functionalized inorganic nanomaterials in a non-toxic reagent at a controlled pH using volatile bases to form an aqueous dispersion. The aqueous dispersion is then stirred to form the hybrid compound. The compound is then applied to a substrate and dried to from an insulating layer. The insulating layer protects the substrate from temperatures exceeding 1200 degrees Fahrenheit.
Owner:NANOTECH INC
High-thermal-conductivity and high-insulation material containing graphene boron nitride heterojunction and preparation method of high-thermal-conductivity and high-insulation material
The invention discloses a high-thermal-conductivity and high-insulation material containing a graphene boron nitride heterojunction and a preparation method, and relates to the field of thermal-conductivity and insulation composite materials. According to the material, graphene layers and hexagonal boron nitride layers are alternately stacked to form a vertical heterojunction, the total layer number is 3-10, the lattice stacking angle is 0 degree or 60 degrees, the in-plane heat conductivity is larger than or equal to 1500 W / mK, the vertical heat conductivity is larger than or equal to 50 W / mK, and the resistivity is gt; and 10 omega.cm. The preparation method comprises the steps of CVD alternate growth, pollution-free transfer, ALD-assisted deposition, high-temperature annealing, pressure-assisted bonding and gradient variable-temperature stress release. Through structural design and process optimization, high thermal conductivity and high insulation are coordinated, the interface thermal resistance is reduced by 40% or above, and the performance attenuation rate lt of the material in circulation at the temperature of-50-300 DEG C is reduced; and the insulating material is suitable for thermal management and insulation scenes of high-power electronic devices.
Owner:GUANGZHOU ADVANCED ELECTRICAL TECHNOLOGY CO LTD
Battery assembly, preparation method thereof and battery
PendingCN120999083AFinal product manufactureSecondary cells manufactureSolid state electrolyteElectrical battery
The invention relates to the field of solid-state batteries, in particular to a battery assembly and a preparation method thereof and a battery, the battery assembly comprises a current collector, a negative active layer, a solid electrolyte layer, an insulating frame and a positive active layer; the negative electrode active layer is arranged on at least one surface of the current collector in the thickness direction, the solid electrolyte layer is arranged on the surface, far away from the current collector, of the negative electrode active layer, and the insulating frame is arranged on the edge of the surface, far away from the negative electrode active layer, of the solid electrolyte layer; wherein the outer edge of the insulating frame is as large as the periphery of the solid electrolyte layer; the positive electrode active layer is arranged in an internal frame area of the insulating frame; the insulating frame is made of kaolin particles. The battery assembly can effectively prevent the short circuit phenomenon caused by the step problem of the solid-state battery and effectively prevent the cracking phenomenon of the insulating frame in the working process of the battery.
Owner:ZHEJIANG INTELLIGENT TRANSPORTATION TECHNOLOGY INNOVATION CENTER +1
A 10 kV overhead insulated cable
ActiveCN121011408BPower cables with screens/conductive layersPower cables for overhead applicationElectrical conductorTin plating
The application discloses a 10kV overhead insulated cable, a tin layer is plated on the surface of a copper single wire to obtain a tin-plated copper single wire, the tin-plated copper single wire is twisted to obtain a conductor; an insulating layer mixture is extruded on the conductor and a steel wire rope respectively to form an insulating layer, a core and a tensile rope are obtained; one tensile rope is taken as an axis, and a plurality of cores are twisted with the tensile rope to obtain a cable core; a tin-plated copper single wire is woven outside the cable core to form a shielding layer; a sheath mixture is extruded on the outside of the shielding layer to form a sheath, and the overhead insulated cable is obtained. The overhead insulated cable has excellent mechanical properties and high and low temperature resistance, and can meet the 10kV power transmission requirement.
Owner:HEBEI GUANYU CABLE CO LTD
10kV overhead insulated cable
ActiveCN121011408APower cables with screens/conductive layersPower cables for overhead applicationElectrical conductorTin plating
The invention discloses a 10kV overhead insulated cable, which is prepared by the following steps of: plating a tin layer on the surface of a copper monofilament to obtain a tin-plated copper monofilament, and twisting to obtain a conductor; respectively extruding an insulating layer mixture outside the conductor and the steel wire rope to form an insulating layer so as to obtain a wire core and a tensile rope; taking a tensile rope as an axis, and cabling and twisting a plurality of wire cores and the tensile rope to obtain a cable core; tinned copper monofilaments are woven outside the cable core to form a shielding layer. And extruding a sheath mixture on the outer side of the shielding layer to form a sheath. The overhead insulated cable has excellent mechanical properties and high and low temperature resistance, and can meet the requirement of 10 kV power transmission.
Owner:HEBEI GUANYU CABLE CO LTD
A synchronous cross-linking flame-retardant cable composite material and its preparation method
The present invention provides a synchronous cross-linking flame-retardant cable composite material and a preparation method thereof, which belongs to the technical field of cable materials. In this application, transition metal zirconium phosphate suppresses local discharge through its high dielectric constant and polarization performance, and generates a carbonized layer at high temperature, thereby improving flame retardancy; modified fibers combine the high orientation of liquid crystal polymers with the excellent mechanical and flame retardancy of polyetheretherketone, and form block copolymers through dynamic grafting to enhance the toughness, fatigue life and thermal stability of the material; silane-metal complex precursors enhance the moisture resistance, flame retardancy and thermal insulation properties of the material through the water-sealing effect of the silicon-oxygen network and the "micro-ceramic" layer generated at high temperature; each component shows significant synergistic effects in terms of flame retardancy, electrical properties and mechanical properties, forming multiple flame retardant barriers, stabilizing the electrical properties of the material, and significantly enhancing the overall mechanical properties and interface stability of the composite material.
Owner:SHENZHEN BENDAKANG CABLE
An organic-inorganic composite filling paste for electric power and a preparation method and application thereof
The application discloses an organic-inorganic composite filling paste for electric power and a preparation method and application thereof. The organic-inorganic composite filling paste for electric power comprises an inorganic matrix, an organic composite additive and water, wherein the inorganic matrix is dolomite, the organic composite additive is composed of an interface modifier and a network building agent, the interface modifier is at least one of sodium lignosulfonate and calcium lignosulfonate, and the network building agent is hydroxypropyl methyl cellulose; and the mass percentage of the water in the organic-inorganic composite filling paste for electric power is 15%-25%. The organic-inorganic composite filling paste for electric power has the advantages of low thermal resistance, non-combustibility, good dispersibility, high long-term storage stability and good construction adaptability.
Owner:WUHAN UNIV OF TECH
A refractory and insulating inorganic fiber sleeve
The present invention relates to a fire-resistant and insulating inorganic fiber sleeve, belonging to the technical field of glass fiber sleeves, and comprises the following steps: dip-coating a surface of a pretreated fiber sleeve with a fluorinated modified graphene oxide to form an insulating coating; coating a surface of the insulating coating with a silicon polymer to form an intermediate layer; coating a surface of the intermediate layer with a flame-retardant reinforcing material to form a fire-resistant coating, thereby forming a fire-resistant and insulating inorganic fiber sleeve composed of the pretreated fiber sleeve, the insulating coating, the intermediate layer and the fire-resistant coating; in the technical solution of the present invention, a flame-retardant composite is obtained by combining a phosphorus-containing compound with 2-hydroxyethyl methacrylate; the flame-retardant composite is combined with vinyl silsesquioxane to obtain a flame-retardant reinforcing material; the graphene oxide is graft-modified by a fluorine-containing compound to prepare the fluorinated modified graphene oxide, generally improving the fire resistance, insulation performance, thermal stability and mechanical properties of the inorganic fiber sleeve, and having good comprehensive performance.
Owner:WUHAN SHIMAIER ENERGY SAVING TECH
High-temperature-resistant, acid-resistant and oil-corrosion-resistant cable and preparation method thereof
PendingCN121922424APlastic/resin/waxes insulatorsDetails of conductive coresChemical industryElectrical conductor
The invention discloses a high-temperature-resistant, acid-resistant and oil-corrosion-resistant cable and a preparation method thereof, and belongs to the technical field of wires and cables. The cable comprises a conductor, an insulating layer, a belting layer and an outer sheath from inside to outside. The insulating layer is prepared by blending, extruding and sintering FEP (fluorinated ethylene propylene), PEEK (polyetheretherketone) and nano SiO2 according to a specific weight ratio; and the outer sheath is made of a composite material containing HNBR, modified polytetrafluoroethylene micro powder and a composite vulcanization system. Through collaborative design of materials and structures, the cable has excellent high temperature resistance (200 DEG C), acid resistance and oil corrosion resistance, and is suitable for extreme environments such as petrochemical engineering.
Owner:CHUNHUA KUNLUN YOUJIA CABLE CO LTD
A dielectric material and method of forming the same
A dielectric material and method of forming the same There is provided a dielectric material comprising a film comprising a layer of two- dimensional (2D) material, wherein the film has dielectric constant (κ) ≤ 3.0. There is also provided a method of forming the dielectric material.
Owner:NATIONAL UNIVERSITY OF SINGAPORE
Weather-proof large-section aerial insulated cable and preparation method and application thereof
PendingCN121483746AClimate change adaptationPower cables with screens/conductive layersAerial cableElectrical conductor
The invention relates to a weather-proof large-section aerial insulated cable and a preparation method and application thereof, and belongs to the technical field of cables. The weather-proof large-section overhead insulated cable is provided with a steel core layer, an aluminum wire layer, a conductor shielding layer and an outer sheath layer from inside to outside in sequence. Wherein the steel core layer is of at least one layer of steel wire structure, the aluminum wire layer is of at least one layer of aluminum wire structure, and the outer sheath layer is made of crosslinked polyethylene materials. According to the invention, the multi-layer conductor layer structure is adopted, the electrical property is excellent, the cable is suitable for a large-section aerial cable, and the cross-linked polyethylene material of the prepared outer sheath layer is high in tensile strength, excellent in elongation at break performance, good in mechanical property, capable of effectively resisting aging, high in dielectric strength, capable of effectively insulating and high in reliability. Therefore, the prepared weather-resistant large-section overhead insulated cable has excellent performance.
Owner:KUNMING DUOBAO CABLE CO LTD
Extrusion-resistant wear-resistant cable and preparation method thereof
The invention discloses an extrusion-resistant and wear-resistant cable and a preparation method thereof. The extrusion-resistant and wear-resistant cable comprises a conductor, an insulating layer, an extrusion-resistant buffer layer and a wear-resistant sheath layer from inside to outside, the conductor is of a tinned copper wire stranded structure; the insulating layer comprises a modified polyurethane elastomer and a carbon nanotube / graphene composite filler; the compression-resistant buffer layer is an aramid fiber reinforced silicone rubber tape; and the wear-resistant sheath layer comprises PEEK, modified PTFE and nano zirconium oxide / silicon carbide composite particles. The cable is good in wear resistance, high in compressive strength and not prone to fatigue cracking.
Owner:JIANGXI LUSHAN CABLE CO LTD
Composite member, method for manufacturing same, and power storage device
PCT designated stageWO2025204286A1Inorganic insulatorsCell component detailsHeat resistanceSilicone tape
Provided is a composite member having an insulation film that is capable of maintaining excellent insulation and heat resistance for a long period of time, does not require operation such as winding a tape or the like, and is free from problems such as occurrence of winding unevenness or a gap and detachment. A composite member (1) has a base material (2) and an insulation film (3) covering at least a portion of the surface of the base material (2). The insulation film (3) has: an inner layer (4) comprising a first film material which has a matrix (8) including a compound having a siloxane bond and an inorganic material (9) dispersed in the matrix (8) and having a squamous, plate, flake, or fibrous shape; and an outer layer (5) comprising a second film material which has a matrix (8) including a compound having a siloxane bond and an inorganic material dispersed in the matrix (8) and having a squamous, plate, flake, or fibrous shape. In the inner layer (4) and the outer layer (5), the respective alignments of the inorganic materials (9) with respect to the surface of the base material (2) are different from each other.
Owner:IBIDEN CO LTD
An intelligent insulating material with heat conduction and nonlinear volt-ampere characteristic, a preparation method and applications thereof
The application relates to a heat-conducting intelligent insulation material with nonlinear volt-ampere characteristics, a preparation method and application thereof, and belongs to the technical field of insulation materials. The intelligent insulation material comprises a polymer matrix and SiC nanofiber felt in the polymer matrix, the volume fraction of the SiC nanofiber felt is 0.5%-2% of the polymer matrix, the SiC nanofiber felt is assembled by roughly same-direction SiC nanofibers, and the SiC nanofibers are arranged in parallel or vertically in the polymer matrix. The scheme provided by the application can optimize the heat conduction path of the intelligent insulation material, and the high heat conduction and nonlinear volt-ampere characteristics of the material are considered, the problem of low heat dissipation efficiency of the packaging material is solved, the composite material is endowed with the electric field self-adaptive regulation and control ability of low-field insulation and high-field conduction through the nonlinear volt-ampere characteristics, and the aging breakdown problem of the composite material when facing the electric field distortion phenomenon is relieved.
Owner:SHENZHEN UNIV
Cable with good heat dissipation effect
Owner:HANGZHOU CHUANGMEI IND