1028 results about "Conductive coating" patented technology

Disclosed herein are systems, devices, and methods for peripheral nerve stimulation, particularly for treating tremor. The nerve stimulation may be accomplished by a wearable nerve stimulation device, such as a band configured to be worn on the wrist or other body part. The device can accomplish targeted nerve stimulation using circumferentially spaced electrodes. In some embodiments, the device may use only the same number of electrodes as the number of nerves that are to be stimulated. A biphasic charge-balanced waveform may be used to selectively stimulate a nerve near one of the activated electrodes but not to stimulate the nerve near the other activated electrode. The device may use dry electrodes for long-term, repeated use. The dry electrodes may include a conductive base layer and a polymeric, plastic or rubber skin contact layer comprising a conductive filler. The filler may be a powder, fiber, conductive coating, etc.

Provided herein are methods of performing multiplex detection of ligand binding kinetics. In some embodiments, the methods include contacting ligands with an array of nucleic acid barcoded oscillators disposed on a first surface of a substrate that comprises an electrically conductive coating, applying an AC electric field to the substrate sufficient to induce the nucleic acid barcoded oscillators to oscillate proximal to the first surface of the substrate, and detecting changes in oscillation amplitudes of the nucleic acid barcoded oscillators over a duration to produce sets of ligand binding data. In some embodiments, the methods also include contacting barcode decoding nucleic acids with the array of nucleic acid barcoded oscillators applying an AC electric field to the substrate sufficient to induce the nucleic acid barcoded oscillators to oscillate proximal to the first surface of the substrate, and detecting changes in oscillation amplitudes of the nucleic acid barcoded oscillators over a duration to produce sets of barcode decoding data.

The invention relates to a magnetron sputtering system and a coating method thereof, the system comprises a pair of twin silicon target material and aluminum target material which are arranged in a coating chamber, the aluminum target material is located in the middle of a horizontal line where the twin silicon target material is located, the twin silicon target material is electrically connected with a medium-frequency power supply, and the aluminum target material is electrically connected with a direct-current power supply. According to the structural design, on one hand, the uniform deposition range can be expanded, the deposition difference of wide workpieces can be reduced, and the whole surface insulation consistency can be ensured, and on the other hand, the aluminum target realizes uniform doping of the aluminum element and stable control of the content, so that the toughness and binding force of the coating are improved, the influence on insulation is avoided, and the comprehensive performance of the non-conductive coating is remarkably improved.

The invention discloses a design method of a difunctional organic-inorganic thermal interface material based on an incomplete coating layer. The organic-inorganic composite thermal interface material designed by the method is composed of a filler and an organic polymer material matrix, the filler comprises an inorganic filler and an incomplete coating layer, the inorganic filler is an electrical insulating material or a metal material, the incomplete coating layer can be selected as a conductive coating layer or an insulating coating layer according to the property of the inorganic filler, and the inorganic filler is a metal material. The difference of percolation thresholds is utilized to enable the filler to generate thermal percolation and not to generate electric percolation in the matrix, so that the composite thermal interface material with ultrahigh heat conduction and electric insulation characteristics is obtained. The heat-conducting interface material designed by the method is good in ductility, can be filled among various thermal interfaces, and can quickly lead out excess heat of a device without causing electrical damage to the device due to the ultrahigh heat-conducting capability and the electrical insulation characteristic, so that the performance release of the device is improved, and the service life of the device is prolonged.

A carbon-coated current collector. The carbon-coated current collector comprises a foil and a conductive coating arranged on the surface of the foil. The conductive coating comprises a combination of a modified conductive carbon material and a binder. The binder is prepared from the following raw materials in parts by weight: 40-60 parts of methyl isobutyl ketone, 25-30 parts of a solvent, 20-25 parts of isobornyl methacrylate, 20-25 parts of methyl methacrylate, 20-25 parts of n-butyl acrylate, 20-25 parts of hydroxyethyl acrylate, 18-22 parts of silicone oil, and 50-55 parts of an initiator. The modified conductive carbon material is a fluorosilane-modified carbon material. The modified conductive carbon material and the binder can form silanols by means of hydrolysis reaction of respective alkoxy groups, then the silanols form new hydrogen bonds with OH groups, and covalent bonds are formed on the surface of the carbon material, thereby forming a highly cross-linked network structure, which further enhances water resistance, allowing for the ability to withstand 200 or more wiping operations.

The invention relates to the field of electromagnetic functional composite materials, and particularly discloses a multi-layer composite structure flexible frequency selective surface material and a preparation method thereof. The ultra-high molecular weight polymer fiber-reinforced polymer-based composite material thin-film mechanical enhanced band-pass frequency selection array sequentially comprises an acrylic acid polyvinylidene fluoride organic polymer coating environment-resistant layer, a metal oxide organic film isolation layer, an ultra-high molecular weight polymer fiber-reinforced polymer-based composite material thin-film mechanical enhanced layer, a band-pass frequency selection layer and a packaging protection layer from top to bottom, and the band-pass frequency selection layer is a hexagonal / circular ring nested band-pass frequency selection pattern array. The packaging protection layer is formed by printing a conductive coating composed of conductive filler / polymer resin matrix, and the packaging protection layer is an ink coating. The flexible frequency selective surface material has the characteristics of light weight, high strength, salt fog / rain / ultraviolet and other severe environments, frequency selective wave transmission and multiple functions, has good gas barrier property, is beneficial to maintaining the shape of an inflatable hangar made of a skin and ensuring normal operation of radar equipment, and has good practical engineering application value.

The invention relates to the technical field of battery connector manufacturing, and discloses a battery connector terminal electroplating method which comprises the following steps: pretreating the surface of a battery connector terminal to remove impurities and oxides; carrying out bottom coating electroplating on the battery connector terminal by adopting nano-metal electroplating liquid to form a compact metal protective film; depositing a functional conductive coating on the underlying coating to optimize an electron flow path; the functional conductive coating is coated with a graphene-based composite material coating so as to enhance the conductivity and the corrosion resistance; and subsequent curing treatment is conducted on the battery connector terminal obtained after coating is completed, the battery connector terminal high in corrosion resistance and excellent in conductivity is obtained, and the method can improve the power transmission stability of the terminal and prolong the service life of the terminal. According to the invention, through a multi-layer coating structure design and an optimized electroplating and curing process, the effects of stable conductivity, strong corrosion resistance and excellent environmental adaptability of the battery connector terminal are realized.

The application discloses a kind of carbon nanotube / polyaniline composite modified epoxy resin conductive paint and preparation method thereof, belong to coating technical field.The application is prepared by preliminary disentangling carbon nanotube with specific solvent, and the carbon nanotube dispersion liquid uniformly dispersed is obtained;Afterwards, polyaniline is added to carbon nanotube dispersion liquid, and carbon nanotube / polyaniline composite is prepared by solvent evaporation or purification;Finally, carbon nanotube / polyaniline composite is compounded with epoxy resin, and high-performance carbon nanotube / polyaniline composite modified epoxy resin conductive paint is obtained.The carbon nanotube / polyaniline composite modified epoxy resin conductive paint prepared by the application has more excellent mechanical properties and electrical properties than traditional conductive paint, and can be better applied in aerospace, battery, communication, new energy and other aspects.

A composite structure for a pressure sensor, a pressure sensor, a method of pressure sensing using the pressure sensor, and a method of fabricating a composite structure for a pressure sensor. The method of fabricating a composite structure for a pressure sensor comprises the steps of forming an array of microstructures made from an elastomeric material; and forming a flexible conductive coating on the array of microstructures such that a surface morphology of microstructures is substantially maintained for the coated array of the microstructures; wherein the conductive coating exhibits a Young's modulus that is higher than that of the elastomeric material.

The invention relates to the technical field of batteries, and particularly discloses a current collector, a method for preparing the current collector, a pole piece, a lithium ion battery and a power utilization device.The current collector comprises a base material and a conductive coating arranged on at least one side of the base material, and physical crosslinking points are evenly distributed in the conductive coating; the physical cross-linking points are non-covalent bond connecting points and comprise coordinate bonds between the binder and metal ions and / or hydrogen bonds between the binder and the polyhydroxy compound. The physical cross-linking points can effectively improve the adaptability of the conductive coating to the expansion and shrinkage stress of the active material layer in the long-term circulation process, the physical cross-linking points can be self-generated again after being damaged, the cross-linking structure improves the adhesion strength of the conductive coating to the current collector, meanwhile, the conductive coating has excellent fatigue resistance, and the service life of the conductive coating is prolonged. After long-term circulation, the high cohesiveness is still kept, and the phenomena of interface separation and active substance powder falling are not prone to occurring.

An electrode assembly for a lithium-ion battery is provided. The electrode assembly may comprise a metal foil having thereon a conductive coating including a polymeric binder and a self-supporting electrode film of active material and fibrillated composite binder laminated with the metal foil such that the conductive coating is between the metal foil and self-supporting electrode film. The fibrillated composite binder may include carbon particles and a same polymeric binder.

The invention discloses an electromagnetic shielding method for a high-density integrated wireless audio module, and the method comprises the steps: employing a metal material with good conductivity and corrosion resistance, such as aluminum alloy and copper alloy, to cover the outer surface of the module, and enabling the outer metal shielding layer to be used for isolating external electromagnetic interference; the thickness of the outer metal shielding layer is generally 0.3 mm to 1 mm, it is ensured that external electromagnetic radiation can be effectively reflected or absorbed, and the outer metal shielding layer is located between the outer metal shielding layer and the inner conductive coating and is made of a material with high-frequency absorption performance, such as a ferrite material, a conductive polymer or a carbon-based material. The thickness of the wave-absorbing layer can be designed according to the electromagnetic characteristics of a working frequency band and is generally 0.5 mm to 2 mm, so that high-frequency noise can be effectively attenuated. By adopting a multi-layer shielding structure and an intelligent heat dissipation design, electromagnetic interference is effectively reduced, miniaturization and light weight of the wireless audio module are maintained, and compared with the prior art in which a large number of expensive shielding materials are needed, the wireless audio module has the advantages that the selection of the shielding materials and the intelligent heat dissipation design are optimized.

The invention discloses a preparation method of a 3MDT dimming film and application of the 3MDT dimming film to automobile glass, and relates to the technical field of dimming films. The preparation method of the 3MDT dimming thin film comprises the following steps: uniformly mixing isobornyl acrylate, a cross-linking agent and a photoinitiator, adding a functional filler, stirring and uniformly mixing, adding micromolecular nematic liquid crystal, and stirring to obtain a liquid crystal composite system; injecting the liquid crystal composite system into a liquid crystal box, and performing ultraviolet irradiation to obtain an interlayer film; two PET plastic films serve as substrates, the inner surfaces of the substrates are coated with ITO conductive coatings, the interlayer film is arranged between the two substrates, and the 3MDT dimming film is obtained. The prepared 3MDT dimming film has good heat insulation performance and mechanical performance, the interlayer film of the 3MDT dimming film has excellent hydrophobic performance, and the 3MDT dimming film is suitable for being applied to the aspect of automobile glass.

The invention discloses a plasma-enhanced nonlinear conductive coating and a preparation method and application thereof. The preparation method comprises the following steps: coating the surface of an insulating substrate with a composite coating, carrying out induction treatment under the action of an electric field, and curing to obtain the coating, the composite coating comprises a nonlinear conductive material and a coating matrix, wherein the nonlinear conductive material and / or the insulating base material are / is subjected to plasma treatment. According to the method, the nonlinear conductive material can have good nonlinear conductive characteristics under low doping amount through plasma treatment, and meanwhile, three combination effects of mechanical interlocking, physical adsorption and chemical bonding can be introduced on the surfaces of the coating and the insulating base material at the same time through the impact effect of plasma high-energy particles; and the adhesive force of the coating on the surface of the insulating base material is strengthened. The coating obtained by the invention can show remarkable nonlinear conductivity under the condition of low filler doping amount, and compared with a coating in the prior art, the coating has better surface charge regulation and control effect, higher surface flashover voltage and stronger basic adhesive force.

The invention discloses an epoxy resin conductive coating based on carbon nanotube / polyaniline composite modification and a preparation method thereof, and belongs to the technical field of coatings. The preparation method comprises the following steps: preliminarily unwrapping a carbon nanotube through a specific solvent to prepare a uniformly dispersed carbon nanotube dispersion liquid; then polyaniline is added into the carbon nanotube dispersion liquid, and a carbon nanotube / polyaniline compound is prepared through solvent evaporation or purification; and finally, compounding the carbon nanotube / polyaniline compound with epoxy resin to obtain the high-performance carbon nanotube / polyaniline composite modified epoxy resin conductive coating. Compared with the traditional conductive coating, the carbon nanotube / polyaniline composite modified epoxy resin conductive coating prepared by the invention has more excellent mechanical properties and electrical properties, and can be better applied to the aspects of aerospace, batteries, communication, new energy and the like.

The invention discloses a high-nickel ternary positive electrode material with a surface coating, a preparation method of the high-nickel ternary positive electrode material and a lithium ion battery, and belongs to the technical field of lithium ion battery electrode materials. The preparation method provided by the invention comprises the following steps: mixing a high-nickel precursor Ni < x > Co < y > Mn < 1-x-y > (OH) < 2 > with a lithium source, and sintering to obtain a high-nickel lithium ion layered oxide, wherein x is more than or equal to 0.7 and less than 1, and y is more than 0 and less than 0.3; and carrying out dry mixing on the high-nickel lithium ion layered oxide, a titanium source and a cobalt source, then sintering, and cooling at the rate of 15-30 DEG C / min after sintering is finished, so as to obtain the lithium ion battery cathode material. The CoTiO3 conductive coating is constructed on the surface of the high-nickel ternary positive electrode material in situ, and when the high-nickel ternary positive electrode material with the surface coating provided by the invention is applied to a lithium ion battery, the high-nickel ternary positive electrode material has high ionic conductivity and specific discharge capacity and good cycle stability.

The invention provides a modified base membrane, a preparation method of the modified base membrane, a composite current collector, an electrode, a battery cell and an electric device. The modified base membrane comprises a base membrane body and a modified layer located on at least one side surface of the base membrane body, the modified layer comprises a binding force modified area and a conductive coating area, the coating width of the binding force modified area in the first direction is the same as that of the conductive coating area in the first direction, the coating width of the conductive coating area in the second direction is 1.5-2.5 cm, and the first direction and the second direction are parallel to the two adjacent edges of the base film body respectively; when the modified base film is used in an electrode, the projection of the active material layer on the modified layer is located in the binding power modified area, and the projection of the adapter sheet on the modified layer is located in the conductive coating area. The base film body is subjected to partition modification, so that the binding force of the metal layer and the base film layer in the composite current collector adopting the modified base film can be improved, and meanwhile, the quick charging performance of a corresponding battery cell is improved.

The invention discloses a high-first-effect fast-charging sodium ion battery hard carbon negative electrode material and a preparation method thereof, and belongs to the technical field of sodium ion batteries. The hard carbon negative electrode material comprises a hard carbon inner core and a conductive coating layer coating the surface of the hard carbon inner core, the hard carbon core is prepared from a carbon source through pre-carbonization and acid pickling treatment, and the carbon source comprises at least one of coconut shells and an epoxy resin carbon material; the conductive coating layer is a composition of glucose, single-layer graphene and water. The high-first-effect fast-charging sodium ion battery hard carbon negative electrode material disclosed by the invention has the advantages of low specific surface area, high first efficiency and high reversible capacity.

The utility model belongs to the technical field of cables, and particularly relates to a shielded cable, which comprises a conductor, the conductor is formed by mutually twisting a plurality of wires, an insulating layer is wrapped outside the conductor, and a filling layer is wrapped outside the insulating layer. The outer side of the filling layer is wrapped with shielding layers layer by layer. According to the utility model, the shielding net is arranged in the shielding layer, the plurality of rows of magnetic beads are arranged in the magnetic bead mounting layer in a surrounding manner, and the conductive coating is coated between the shielding layer and the magnetic bead mounting layer through the conductive coating, so that the influence of a magnetic field effect generated in a cable electrifying process on peripheral cables, equipment and instruments is effectively prevented; the use efficiency and the service life of peripheral related equipment are relatively improved, particularly for high-precision instruments, the accuracy of the cable is further guaranteed, and the situation that the cable is vivid by external electromagnetic waves is also avoided; and the anti-interference capability of the cable can be improved.

The invention provides a skin-core structure moisture power generation yarn, the yarn at least comprises a metal core layer, a wrap yarn layer and a conductive coating, the wrap yarn layer comprises lithium chloride doped polyvinyl alcohol fibers and tightly wraps the periphery of the metal core layer through conjugate electrostatic spinning, and the conductive coating is nano conductive silver paint. And the conductive coating is not in direct contact with the metal core layer. The preparation method comprises the following steps: firstly, adding lithium chloride powder into deionized water, stirring at normal temperature until complete dissolution, then adding polyvinyl alcohol powder, heating and stirring until complete dissolution, standing and defoaming to prepare a wrap yarn layer spinning solution; performing conjugate electrostatic spinning on the prepared skin layer spinning solution to form nanofiber wrap yarn on the outer layer of the metal core; nano conductive silver paint is sprayed on the surface of the wrap yarn layer, and the wrap yarn layer is dried in the air. The yarn has good flexibility, and has excellent surface waterproof and moisture permeable performance, stability and reusability while forming stable output current and voltage.

The invention solves the problem that the mixing uniformity is insufficient when a traditional single stirring assembly rotates unidirectionally to mix conductive coatings, and relates to the technical field of conductive coating mixing, in particular to rapid mixing equipment for electromagnetic shielding conductive coatings, which comprises a mixing tank and a stirrer, and a limiting hanging bracket is mounted on the inner wall of the mixing tank; the end, close to the vertical central axis of the mixing tank, of the limiting hanging bracket is rotationally connected with an outer stirring assembly; the outer stirring assembly comprises a connecting shaft arranged between the outer side of a stirring impeller of the stirrer and the inner wall of the mixing tank, a plurality of stirring blades are mounted on the outer surface of the connecting shaft, an extension plate is formed at the top of the connecting shaft, a rotating shaft of the stirrer is sleeved with a transmission structure, and the transmission structure is used for transmitting rotating power of the stirrer to the connecting shaft; the stirring blades are driven to circumferentially rotate in the direction opposite to the rotating shaft by taking the rotating shaft as the circle center. The material exchange of the conductive coating can be enhanced, and the dead zone of traditional one-way stirring is eliminated.

The invention discloses a low-melting-point glass-based inorganic anticorrosive coating with excellent conductivity and a preparation method of the low-melting-point glass-based inorganic anticorrosive coating. The inorganic anticorrosive conductive coating material comprises 80-99.5 parts of a glass base material and 0.5-20 parts of conductive phase powder dispersed in the glass base material, wherein the conductive phase powder adopts a conductive oxide; the preparation process comprises the following steps: 1) mixing glass base materials; 2) melting into molten glass; 3) crushing and introducing a conductive phase; 4) sintering into blocks; 5) crushing and screening the sample; (6) preparing slurry; (7) paint spraying; and 8) sintering and cooling to obtain the paint. The method is simple in process, low in cost, corrosion-resistant, high-temperature-resistant and good in conductivity; after the conductive phase is added, the surface resistivity of the coating is reduced to 102-109 ohms, and the minimum value of the surface resistivity is far higher than that of an existing system.

The invention provides a phase-change temperature-control flame-retardant current collector and a preparation method and application thereof. The current collector comprises a conductive coating and a temperature-control flame-retardant layer, the conductive coating comprises a first conductive coating and a second conductive coating and is used for loading an active material and packaging the temperature-control flame-retardant layer, and the temperature-control flame-retardant layer is arranged between the first conductive coating and the second conductive coating; the temperature-control flame-retardant layer takes a porous copper film as a matrix, and the porous copper film is filled with a phase-change material and a flame retardant. According to the phase-change temperature-control flame-retardant current collector provided by the invention, the latent heat of the volume ratio is greater than 100J / cm < 3 >, the heat conductivity is greater than 150W / m.K, and the thickness is 10-50 microns, so that the problems of low space utilization rate, low loading capacity and low heat conductivity of a phase-change material in a current temperature-adjusting diaphragm and a temperature-adjusting electrode are well solved. In addition, the battery internal temperature control assembly has the characteristics of simple structure, high integration level and low cost, and the actual application requirement of the battery internal temperature control assembly is well met.

In order to solve the problem that the existing water-based conductive coating is poor in adhesive force on the surface of an aluminum foil containing greasy dirt, the invention provides a carbon material and a preparation method thereof, a water-based conductive coating and a carbon-coated aluminum foil, and the preparation method comprises the following steps: uniformly mixing water, an alcoholizing agent and the carbon material, and performing alcoholization treatment; modifying the alcoholized carbon material by using a surface modifier which comprises one or more of hydroxyalkanoates or phosphates, so as to obtain a modified carbon material; according to the invention, alcoholization treatment is carried out on the carbon material to increase hydroxyl groups for grafting on the surface of the carbon material; modifying the carbon material by using a surface modifier; the modified carbon material has certain rolling oil affinity, can cooperate with the characteristic of high oil absorption value of the carbon material when being applied to the water-based conductive coating, and can open'blocking 'of an oil film, so that polar groups in coating resin are in contact with a base material to generate acting force, and the adhesive force is improved; and the carbon material filling amount can be further increased to reduce the coating resistance.

The invention relates to a method for curing an electrically assisted carbon fiber reinforced thermosetting composite material, which comprises the following steps: uniformly spraying a carbon nanotube dispersion liquid on the surface of a carbon fiber prepreg so as to form a conductive coating on the surface of the carbon fiber prepreg; laying the carbon fiber prepreg with the conductive coating on the surface according to the designed laying angle and number to prepare a sample; pressure is applied to the top surface and the bottom surface of the sample in a vacuumized low-pressure environment, then the top surface and the bottom surface of the sample are heated and softened, direct current is applied to the top surface and the bottom surface of the sample while the sample is softened, and carbon nanotubes of a conductive coating in the sample are induced to conduct electricity to generate Joule heat; and curing to obtain the cured electrically-assisted carbon fiber reinforced thermosetting composite material. The invention further provides a device based on the method. According to the method, energy consumption is reduced, and meanwhile the composite material has good curing uniformity and mechanical property.

The invention discloses a preparation method of a multifunctional textile-based sports sweat monitoring intelligent hair band, and relates to the technical field of intelligent wearing. According to the hair band, water-absorbing textile fibers are adopted as a sweat collecting part, the surface of the sweat collecting part is coated with a conductive material to form a flexible electrode sensing layer, and meanwhile, a selective recognition material is modified to detect sweat components such as glucose, the pH value, Na < + > and K < + >. In addition, the textile-based temperature sensor is prepared based on a conductive filament or conductive coating composite technology. The hair band integrates the sweat sensor, the temperature sensor and the inertial sensor, can monitor the movement distance, the stride frequency, the step speed, the step number and the calorie consumption, fixes the inertial sensor in a bonding mode through liquid silica gel, and enables a collector to be close to the forehead through the combination of a hook-and-loop fastener and a hair band base body. Through material innovation, process optimization and system integration, unification of comfort, functionality and economical efficiency is achieved, and an efficient and universal technical scheme is provided for development of intelligent sports wearable equipment.

The invention provides a pole piece surface treatment device and method and battery production equipment, and belongs to the technical field of batteries. The pole piece surface treatment device comprises a conveying assembly and an electric heating assembly, the conveying assembly is used for conveying a pole piece, and the pole piece comprises a first area coated with a conductive coating; the electric heating assembly comprises a first conductive part used for being connected with the positive electrode of a power source and a second conductive part used for being connected with the negative electrode of the power source. Wherein the first conductive part and the second conductive part are arranged at an interval and are respectively in contact with the first area of the pole piece, so that the part, positioned between the first conductive part and the second conductive part, of the first area of the pole piece forms an electric heating loop with the first conductive part, the second conductive part and the power supply. The burrs on the surface of the pole piece can be quickly removed in an electric heating treatment mode, the surface treatment efficiency is improved, and the energy consumption is reduced.

The invention discloses a UV-curable conductive polyurethane acrylate coating and a preparation method thereof, and relates to the technical field of photocureable coatings. The invention relates to a UV curing conductive polyurethane acrylate coating, which comprises a light-cured resin, a polyaniline coated carbon nanotube, a reactive diluent, a photoinitiator, an organosilicon leveling agent and a defoaming agent, the light-cured resin is prepared by mixing a polyurethane prepolymer, an epoxy acrylate resin and dihydroxy acrylate, and the polyurethane prepolymer is prepared by mixing the polyurethane prepolymer, the epoxy acrylate resin and the dihydroxy acrylate. The polyaniline coated carbon nano tube is formed by coating and modifying a carbon nano tube by aniline and a doping agent. By adopting the scheme, not only can the conductivity of the coating be improved through the polyaniline coated carbon nanotubes, but also the light-cured resin and the polyaniline coated carbon nanotubes can form a three-dimensional network structure of a conductive filler / resin base material, so that the mechanical property of the coating can be improved; further, the preparation of the UV curing conductive coating with high conductivity and mechanical property is facilitated.

The invention discloses a processing technology of a graphene composite conductive coating, and relates to the technical field of coatings. The preparation method comprises the following steps: putting polyvinylpyrrolidone powder and ultrapure water into a mixing kettle, stirring and dissolving to obtain a polyvinylpyrrolidone dissolving solution; the self-made conductive filler, waterborne polyurethane and the polyvinylpyrrolidone dissolving solution are placed in a mixing tank, ultrasonic treatment is carried out, and the graphene composite conductive coating is obtained; dripping the uniformly mixed graphene composite conductive coating on a clean glass plate by using a dropper, and coating by using a wet film manual coater; and curing the obtained coating sample in a constant-temperature oven to obtain the graphene composite conductive coating. The graphene composite conductive coating prepared by the invention has excellent conductivity and mechanical properties.

The invention relates to the technical field of flexible tension sensors, in particular to a preparation method and application of a visual flexible tension sensor, and the preparation method comprises the following steps: preparation of conductive cashmere yarn, preparation of visual cashmere yarn and assembly of the visual flexible tension sensor. The one-dimensional silver nanowires are in lap joint with the two-dimensional lamellas, the one-dimensional silver nanowires and the two-dimensional lamellas jointly construct the three-dimensional conductive network with the synergistic effect, compared with a traditional conductive coating, the gap between one-dimensional conductive networks is filled, resistance is reduced, the electrical performance is improved, falling and sliding of the two-dimensional conductive network are avoided, stability is improved, and the conductive coating has the advantages of being high in practicability and the like. Secondly, the tensile strain degree is displayed through color change of the surface of the flexible tension sensor, the tensile force borne by the flexible tension sensor is visually expressed through color change, and the flexible tension sensor can be applied to mechanical detection such as portable detection which does not need quantification and only needs qualitative comparison of the mechanical change degree.