9results about How to "Good conductive path" patented technology

The invention relates to the technical field of flexible electronics, in particular to a flexible conductive film and a preparation method and application thereof. The flexible conductive film is obtained by drying a solution containing PEDOT: PSS, a water-soluble polymer, a viscous auxiliary agent, a humectant and a polar solvent, in the solution, the mass content of the PEDOT: PSS is 0.1%-1%, the mass content of the water-soluble polymer is 0.2%-3%, the mass content of the viscous additive is 0.5%-10%, the mass content of the humectant is 1%-10%, and the mass content of the polar solvent is 1%-8%. The flexible conductive thin film provided by the invention has relatively good flexibility, stretchability and adhesion, also shows excellent properties such as good biocompatibility and motion interference resistance, and is suitable for long-range monitoring of electrophysiological signals.

The present embodiment discloses a semiconductor device and a method for manufacturing the same, the method comprising providing a silicon carbide body; forming a first groove extending from a first surface of the silicon carbide body into the silicon carbide body; forming a first isolation layer and a first polysilicon in the first groove, the first isolation layer being located between the first polysilicon and the bottom of the first groove, and between the first polysilicon and two side walls of the first groove; forming a second polysilicon and a second isolation layer in the first groove, the second isolation layer being located between the second polysilicon and two side walls of the first groove, and the second isolation layer and the first isolation layer completely covering the first polysilicon; forming a second groove extending from the second polysilicon to the bottom of the first groove, the second groove at least exposing a portion of the bottom of the first groove; and oxidizing a portion of the first polysilicon and a portion of the second polysilicon at a high temperature to form a third isolation layer, so that the first isolation layer, the second isolation layer and the third isolation layer completely cover the first polysilicon and the second polysilicon.

The application discloses a preparation method of a high-strength flexible self-supporting hydrophobic electromagnetic shielding film, which comprises the following steps: weighing a certain amount of carbon titanium-aluminum, slowly adding the carbon titanium-aluminum into a lithium fluoride / hydrochloric acid etching solution, magnetically stirring in a water bath at a certain temperature for a period of time, obtaining an etched carbon titanium-aluminum dispersion liquid, carrying out acid pickling on the carbon titanium-aluminum dispersion liquid by using dilute hydrochloric acid, and then washing the carbon titanium-aluminum dispersion liquid until neutral, so as to obtain multi-layer titanium carbide; carrying out ultrasonic treatment on the multi-layer titanium carbide, so as to obtain few-layer titanium carbide; mixing the prepared few-layer titanium carbide and bacterial cellulose with nano-iron oxide respectively; alternately performing vacuum filtration on the mixed solutions of bacterial cellulose / nano-iron oxide and few-layer titanium carbide / nano-iron oxide; and naturally airing the obtained film at room temperature. Finally, methyltrimethoxysilane is deposited on the surface of the film to form a hydrophobic network. The film prepared by the method has the characteristics of good flexibility, high electromagnetic shielding performance and high mechanical strength.

The utility model provides a kind of power collection line iron tower modularization grounding device, belong to electric power equipment technical field, the power collection line iron tower modularization grounding device includes: grounding body, connecting component, fixed module, conducting ring and adjusting mechanism;The grounding body is cylindrical structure, the top of grounding body is equipped with connecting face, connecting face is equipped with threaded hole, bolt is threadedly connected in threaded hole;The connecting component includes connecting plate, connecting rod and locking sleeve, connecting plate is fixedly arranged on the connecting face of grounding body, the middle part of connecting plate is equipped with through-hole, connecting rod is arranged in through-hole, the upper end of connecting rod is threadedly connected with locking sleeve;The fixed module includes fixed seat and clamping piece, the utility model can solve the technical problems that the existing power collection line iron tower grounding device structure is complex, installation and maintenance are difficult, modularization degree is low, and adaptability is poor.

The utility model relates to the technical field of SSR optocouplers, in particular to a support structure of a vertical SSR optocoupler. Through the symmetrical design of the PT support and the IR support and the opposite distribution of the PT base island and the IR base island, the direct light path alignment of the light emitting diode and the bidirectional photosensitive silicon controlled rectifier is realized, the light transmission efficiency is obviously improved, the L-shaped output pin extends to the end part of the adjacent pin, and the PT base island is arranged, so that the bidirectional silicon controlled rectifier and the photosensitive silicon controlled rectifier are respectively arranged on different base islands, and the light transmission efficiency is improved. The risk that insulating glue overflows to the photosensitive silicon controlled rectifier chip is avoided, the short circuit probability is reduced, meanwhile, the discrete base island layout optimizes a conductive path, the number of conductive wires is reduced to the minimum, the gold wire material cost and quality hidden dangers such as wire collapse and wire breakage in the wire welding process are reduced, and the production yield and the product reliability are improved; the technical problems that after an existing SSR optocoupler support structure is packaged into an SSR optocoupler, the light transmission efficiency is low, glue is prone to overflowing to form a short circuit, and the number of electric leads is large are solved.

The application provides an iron / nickel bimetallic aminated multi-walled carbon nanotube for adsorbing sulfonamide antibiotics, a preparation method and application, and relates to the field of sulfonamide antibiotic adsorbents.The preparation method comprises the following steps: adding multi-walled carbon nanotubes into DMF, and reacting with ethylenediamine and O-benzotriazole-N,N,N',N'-tetramethyluronium hexafluorophosphate to prepare aminated multi-walled carbon nanotubes; and dispersing the aminated multi-walled carbon nanotubes in ethylene glycol, and contacting with sodium acetate, a nickel salt and an iron salt to prepare the iron / nickel bimetallic aminated multi-walled carbon nanotube for adsorbing sulfonamide antibiotics.The iron / nickel bimetallic aminated multi-walled carbon nanotube for adsorbing sulfonamide antibiotics has the advantages of ordered pore structure, high mechanical strength, difficulty in plugging, large adsorption capacity, good economy, and the ability to effectively adsorb and remove sulfonamide antibiotics in wastewater; and after adsorption is completed, the iron / nickel bimetallic aminated multi-walled carbon nanotube can be quickly and efficiently separated from the wastewater, which is beneficial to subsequent recycling and reuse.

The present application relates to the technical field of magnesium foil material, in particular to a vacuum evaporation magnesium film, a preparation method and application thereof, the magnesium film comprises a substrate and a thin film layer, the material of the thin film layer is magnesium and is covered on the surface of the substrate by vacuum evaporation; the preparation method uses aluminum foil, copper foil, gold foil, silver foil, nickel foil, molybdenum foil, titanium foil, tin foil, stainless steel foil, polymer composite metal foil, metal alloy foil, carbon-coated metal foil, polyimide and high polymer material as the substrate, a layer of high-purity magnesium thin film is uniformly deposited on the surface of the substrate by controlling the vacuum evaporation process; when the magnesium film is applied to a magnesium battery, the substrate provides good electrical conductivity and mechanical support, and the magnesium layer directly participates in the electrochemical reaction as an active material, which not only improves the energy density and cycle life of the magnesium battery, but also simplifies the manufacturing process and reduces the cost; the magnesium negative electrode prepared by the method has excellent electrochemical performance and stability, and has good application prospect.

The invention discloses conductive dendritic crystal composite gel as well as a preparation method and application thereof. According to the invention, hydrogel is used as a matrix, stannous ions are attracted by utilizing the hydrophilicity of a hydrogel skeleton, and metal dendrites are further deposited in situ in the gel, so that an efficient conductive path is constructed; the mechanical property and the conductivity of the conductive dendritic crystal composite gel are synchronously improved; besides, a sensor prepared based on the conductive dendritic crystal composite gel has high sensitivity and a wide detection range, can effectively monitor and identify limb changes, and shows wide application potential in the field of wearable equipment.

The invention relates to protective coating slurry, a bipolar plate, a preparation method of the bipolar plate and a fuel cell. The protective coating slurry is prepared from the following components in parts by mass: 60 to 70 parts of polyisocyanate grafted hydroxylated graphene, 18 to 30 parts of polyurethane and 8 to 22 parts of carbon black. The protective coating slurry can be applied to the bipolar plate to form a protective coating, and the corrosion resistance, the conductivity and the binding force of the bipolar plate can be improved.