29 results about "Titanium coating" patented technology

The utility model discloses a diving fabric implanted with patterns. The diving fabric comprises a foamed chloroprene rubber sponge sheet, a graphene coating, a patch, a floral pattern layer and a titanium coating. The foamed chloroprene rubber sponge sheet subjected to compression treatment is used as a base material, the compressed sponge sheet is higher in apparent density, the internal hash molecular structure of the sponge sheet is tighter, the surface of the sponge sheet is smoother, printing materials such as printing ink can better permeate into the surface layer of the sponge sheet, and patterns and the sponge sheet are fused together; a layer of textile fabric does not need to be added between the floral patterns and the sponge sheet, the floral patterns can be better presented while environmental protection is achieved, and the service life of the floral patterns is prolonged. In addition, the titanium coating enables the floral patterns to be better in oxidation resistance and friction resistance, the floral patterns printed on the sponge sheet can be better protected, the corrosion resistance and abrasion resistance of the floral patterns in a seawater environment are improved, the service life of the floral patterns is prolonged, and the attractiveness of the floral patterns is improved.

According to a first aspect of the present invention there is provided a method of coating a bipolar plate, comprising the steps of: providing a bipolar plate wherein at least an outer layer of the bipolar plate comprises metallic titanium; and performing laser nitridation on the bipolar plate so as to form a titanium nitride coating on the outer surface of the bipolar plate. The inventors have found that laser nitridation of a titanium bipolar plate results in a bipolar plate having a high stability TiN coating which has good conformality, chemical stability and / or high conductivity. Furthermore, the formation of the TiN coating by laser nitriding can be well integrated into a manufacturing process of a bipolar plate, such as a roll-to-plate process including a laser welding step, compared to a deposition method known in the prior art, and has the advantages of high efficiency and simplification. The TiN coating on the bipolar plate can be directly used for an electrochemical reactor or can be used as a substrate of a subsequent coating.

The application discloses a preparation method of titanium-coated diamond, and belongs to the technical field of diamond surface metallization treatment. The titanium powder is uniformly attached to the surface of diamond particles by means of an organic binder, and titanium-coated diamond with a titanium coating layer is obtained through subsequent heat treatment. First, a solvent, a dispersing agent and an organic binder are prepared into an organic carrier, then diamond powder and titanium powder are mixed and introduced into the organic carrier, and titanium / diamond coating slurry is obtained through high-speed stirring. Then, pre-prepared titanium-coated diamond is obtained through wet film casting, film drying, stripping, grinding and screening, and further sintering at 600-800 DEG C for 1 h to obtain titanium-coated diamond products. The particles obtained by the method are uniformly coated as a whole, the coating layer is complete, and the weight gain can be controlled within 30%-60%. The process flow is simple, the repeatability is good, and the method is suitable for batch preparation.

The utility model discloses an engine oil control valve sleeve with a wear-resistant coating. The engine oil control valve sleeve comprises a valve sleeve body, a valve element and a filtering assembly. A titanium nitride wear-resistant coating is arranged on the inner wall of the valve sleeve, the filter assembly comprises a filter screen sleeve embedded in the valve sleeve in a sliding mode, threaded parts of the inner walls of the two ends of the filter screen sleeve are connected with a filter screen with filter holes distributed from large to small, a blocking seat is arranged on the inner wall of the valve sleeve and abuts against the filter screen sleeve, and a valve cover is arranged at the input end of the filter screen sleeve and is in sliding fit with a sliding seat on the periphery of the valve sleeve through a positioning sliding rod. A top spring and a stop block are arranged in the positioning sliding rod to form a positioning assembly, and a pressing type unlocking assembly is arranged outside the valve sleeve. The valve cover is fixed through bolts and provided with an oil conveying pipe, and a fluororubber sealing ring is arranged between the filter screen sleeve and the blocking seat. Abrasion resistance of the valve sleeve is improved through the titanium nitride coating, efficient filtering is achieved through the grading filter screen, the modular structure facilitates replacement of the filter screen, the sealing ring and the positioning structure ensure that the vibration environment is stable, and durability, filtering efficiency and maintenance convenience of the engine oil control valve are effectively improved.

The application provides a long-acting photocatalyst coating, a manufacturing method and application thereof. The long-acting photocatalyst coating comprises a substrate, an inorganic coating arranged on the surface of the substrate, and a nano-titanium oxide coating arranged on the surface of the inorganic coating. The preparation steps comprise: arranging the inorganic coating on the surface of the substrate; arranging the nano-titanium oxide coating on the surface of the inorganic coating when the inorganic coating is in a wet state; the nano-titanium oxide coating is a water or alcohol dispersion of nano-titanium oxide; the nano-titanium oxide coating is fused with the inorganic coating, dried, and the long-acting photocatalyst coating is obtained. The technical problem to be solved by the application is how to uniformly disperse nano-titanium oxide particles on the surface of an object, so that the long-acting photocatalyst coating has photocatalyst function and is durable and not easy to fall off, thereby being more suitable for practical use.

The utility model provides a spinning crochet hook low-temperature titanium nitride coating spraying jig, and relates to the technical field of spraying jigs, the spinning crochet hook low-temperature titanium nitride coating spraying jig comprises a working table, the working table is placed on the ground to support the whole, a shell is installed on the upper surface of the working table, a placing barrel is installed on the top of the shell, and the placing barrel is connected with the working table. The bottom of the containing barrel is provided with a spray head through a control valve, the spray head is located in the shell, the refrigeration equipment is installed in the shell and can reduce the temperature in the shell, the moving table is slidably connected to the upper surface of the workbench, and a limiting device is installed at the top of the moving table. Wherein the limiting device can limit the spinning crochet hook, the limiting device comprises a motor, the effect of fixing the spinning crochet hook is achieved through the limiting device, and the situation that normal spraying of the spinning crochet hook is affected due to the fact that the spinning crochet hook shakes when the spinning crochet hook rotates for spraying is avoided.

This invention discloses a steel-titanium composite material containing a niobium-iron interlayer and its preparation method, belonging to the field of metal protective coating technology. The steel-titanium composite material includes a steel substrate, and a niobium-iron interlayer and a titanium coating sequentially laminated on the surface of the steel substrate; the interfaces between the niobium-iron interlayer and the steel substrate surface, and between the niobium-iron interlayer and the titanium coating, are metallurgically bonded; wherein the iron content in the niobium-iron interlayer is 10-45% by mass. The preparation method involves laser cladding a niobium-iron interlayer onto a surface-treated steel substrate, removing impurities from the niobium-iron interlayer surface, and then laser cladding a titanium coating onto the niobium-iron interlayer surface. The steel-titanium composite material obtained by this invention utilizes the formation of a niobium-titanium solid solution between niobium and titanium. This niobium-titanium solid solution can inhibit the formation of Fe-Ti intermetallic compounds, and iron has good solid solubility in the niobium-titanium solid solution, effectively improving the mechanical properties of the composite material.

The invention discloses an electrode material and a preparation method thereof, the preparation method comprises: providing initial carbon matrix powder, the initial carbon matrix powder comprising initial carbon matrix particles, the initial carbon matrix particles having a porous structure; silicon embedding treatment is conducted on the initial carbon matrix powder, carbon-silicon composite powder is obtained, the carbon-silicon composite powder comprises a plurality of carbon-silicon composite particles, and the carbon-silicon composite particles comprise the initial carbon matrix particles with nanometer silicon; the carbon-silicon composite powder is subjected to titanium coating treatment, the electrode material is obtained, the electrode material comprises a plurality of electrode material particles, and each electrode material particle comprises a carbon-silicon composite particle and a TiSi2 protection shell coating the carbon-silicon composite particle. The invention also discloses an electrode, a preparation method thereof and a lithium ion battery.

A positive electrode active material includes: a lithium nickel-based oxide having a Ni content of about 60 mol % to 80 mol % among total metals excluding lithium; and a coating layer containing Ti and formed on a surface of the lithium nickel-based oxide. The lithium nickel-based oxide is of a single-particle-type including 50 or fewer nodules and has a thermal stability index (TSI) of about 42.5 or less as represented by Equation 1 according to the present disclosure. In Equation 1, the TSI is represented by “HFA×MPH / (T1−150),” and HFA, MPH, and Tl are values measured from a differential scanning calorimetry (DSC) analysis graph obtained by heating a lithium secondary battery fabricated using the positive electrode active material from 25° C. to 400° C. at a heating rate of 10° C. / min.

The application discloses a kind of corrosion-resistant alloy steel van body and preparation method, belong to van body technical field, first by to van body blank is carried out normalizing, quenching, tempering treatment after obtaining van body semi-finished product, again to van body semi-finished product is sequentially using picosecond laser and nanometer laser and is etched, after anodic oxidation treatment form porous and uniform oxide layer, by laser cladding method uniform vanadium carbide, titanium carbide coating is formed on surface, the porous structure of oxide film can improve the adhesion of subsequent coating, form oxide film plus coating composite protection system, increase the corrosion resistance of corrosion-resistant alloy steel van body, prolong the service life of corrosion-resistant alloy steel van body in slurry pump.

An antibacterial implantable medical device or medical material. The surface of an implantable medical device or medical material has a titanium coating formed thereon. Titanium nitride nanowires are formed that extend from the titanium coating at a selected angle to exert a mechanical force on bacteria bilayer membranes sufficient to at least partially disrupt the bacteria bilayer membranes. In one aspect, the titanium nitride nanowires are formed from grown titanium dioxide nanowires by converting the titanium dioxide nanowires to titanium nitride in a heated nitrogen-containing environment. The titanium nitride nanowires are optionally charged to further enhance antibacterial properties.

The invention relates to a method for recycling iridium metal on the surface of an anode plate, and belongs to the technical field of precious metal recycling. According to the method, the titanium coating in the anode plate is treated in an ultrasonic assistance and stripping agent solution synergistic treatment mode, the coating of the anode plate can be efficiently and selectively stripped, and preliminary enrichment of iridium in a material is achieved; and an iridium metal trapping agent with a core-shell structure, a slag former, a stabilizer and a precursor material are mixed, refined and purified, and the high iridium recovery rate is ensured.

The utility model relates to the technical field of rams, and discloses a numerical control gantry machining center ram which comprises a ram body. According to the ram of the numerical control gantry machining center, through the arrangement of the reinforcing assembly and the combined design of a rectangular reinforcing rib base, first reinforcing rib plates and second reinforcing rib plates, a three-dimensional latticed supporting frame is formed in the ram, the first reinforcing rib plates are distributed along the top, the bottom and the two sides of the ram, and the section of the ram is divided into a plurality of closed cavities; the eight second reinforcing rib plates are distributed in an annular radiation mode with the reinforcing column as the center, torsion deformation caused by cutting force is effectively resisted, the torsional rigidity can be obviously improved compared with a traditional single-layer rib plate structure, fatigue fracture caused by resonance of a rigid structure can be avoided through the arrangement of the damping alloy layer, and the service life of the rigid structure is prolonged. And the arrangement of the titanium nitride coating can reduce the fretting wear of the surface of the second reinforcing rib plate, so that the ram has higher rigidity performance, and the practicability of the device is improved.

The invention discloses an oversized cylindrical sodium-ion battery structure and a safety cooperation system, and relates to the technical field of sodium-ion battery structures and safety control, the oversized cylindrical sodium-ion battery structure comprises a double-gradient self-adaptive collector plate, spokes are wide in center and narrow in edge, the spacing of the spokes is in a cooperative gradient, and a base material is an aluminum-based composite layer coated with a nano titanium coating; the four-function integrated core rod is internally provided with a flow guide channel and gradient through holes, coated with a temperature-sensitive conductive coating, filled with porous ceramic particles and provided with a pressure relief sheet; according to the positive and negative electrode-diaphragm bidirectional adaptive structure, diaphragm pores are distributed in a gradient manner, composite coatings are arranged on the two sides, and hot sealing glue is coated on the edges; the invention discloses a graded pressure relief-fire extinguishing cooperative safety system. According to the electrolyte-material collaborative optimization system, a high-salt-concentration electrolyte and a multi-component additive are adopted, and infiltration is carried out through a multi-step liquid injection process. Through full-chain innovation, the problems that an existing battery is uneven in current collection, slow in electrolyte infiltration, lagged in safety response and the like are solved; and the process improves the production efficiency, adapts to multiple application scenes, and meets the large-scale mass production requirements.

This invention discloses a steel-titanium composite material containing a copper-niobium composite interlayer and its preparation method, belonging to the field of metal coating technology. It includes a steel substrate, and a copper-niobium composite interlayer and a titanium coating sequentially laminated on the surface of the steel substrate. The interfaces between the copper-niobium composite interlayer and the steel substrate surface, and between the copper-niobium composite interlayer and the titanium coating, are metallurgically bonded. The niobium content in the copper-niobium composite interlayer is 1-40% by mass. The preparation method involves laser cladding a copper-niobium composite interlayer onto a surface-treated steel substrate, removing impurities from the surface of the copper-niobium composite interlayer, and then laser cladding a titanium coating onto the surface of the copper-niobium composite interlayer. This invention utilizes the solid solution formation between niobium and titanium to improve the interfacial mechanical properties of the material and inhibit the diffusion of copper within the titanium coating, thereby improving corrosion resistance. Simultaneously, the addition of niobium increases the laser absorption rate of copper, effectively reducing cladding defects caused by insufficient heat.

The application discloses a method for forming a titanium nitride coating on oriented silicon steel and an oriented silicon steel, and belongs to the field of oriented silicon steel processing. The method comprises the following steps: dissolving pyrazine-2,3-dicarboxylic acid in ethanol, adding tetrabutyl titanate to stir and react, adding oxalic acid, and then adding water to form a sol; after the sol is aged, drying is performed, and the sol is ground into a gel powder; the gel powder is covered on polished oriented silicon steel, then heat treatment is performed at 1000 DEG C to 1050 DEG C in a flowing nitrogen atmosphere, and finally cooling is performed to room temperature. The application can prepare a dense titanium nitride coating on the surface of the silicon steel without corroding the oriented silicon steel, and the titanium nitride coating has strong adhesion; the excess gel powder which does not participate in forming the coating can be reused; in the method, no expensive equipment in PVD and CVD processes is needed, the process is simple, raw materials are easy to obtain, the cost is low, and the method is easy to implement in industrialization, and the application has important industrial practical significance for improving the performance of the oriented silicon steel and reducing the loss of a transformer.

The invention relates to the technical field of metallurgical production, in particular to a reactor titanizing method which adopts a high-temperature spraying process and comprises the following steps: firstly, argon is filled into a reactor for protection, a spraying device capable of spirally moving along the inner wall is assembled in the reactor, and the spraying device comprises a titanium powder feeding pipe, a plasma heat source, a lifting device, a telescopic rod and a spraying execution mechanism; titanium powder with the particle size of 10 microns to 1 mm is conveyed to a spray head through a feeding pipe by argon, the titanium powder is heated by a plasma heat source, the high-temperature titanium powder and the wall of the high-temperature reactor collide and are fused at a high speed, and a titanium coating with the thickness of 0.1 mm to 1 mm is formed; the spraying device forms a spiral track through combination of circumferential motion and up-and-down uniform-speed motion, and one-time or multi-layer spraying can be achieved. Titanizing is completed within 10 hours, local heating energy consumption is low, a coating is uniform, vacuum leak detection is not needed in micro-positive pressure operation, efficiency is high, and the use requirement of sponge titanium production for a new reactor can be met.

The utility model provides a passenger car tooth-shaped bolt groove and thread rolling tooth plate cooling die, which relates to the technical field of tooth plate dies, and comprises a static plate, a movable plate and a groove and thread rolling assembly. When the die works, the movable plate moves relative to the static plate, a to-be-processed bolt blank is arranged between tooth grooves of the static plate and the movable plate, and the groove and thread rolling assembly is arranged between the static plate and the movable plate; in the cooling assembly, a first water pump pumps cooling liquid in a cooling liquid tank into a flow guide pipe, the cooling liquid circularly flows in the mold to absorb heat generated during working of the mold, and meanwhile, the cooling liquid is cooled to the lower end of the mold, so that the cooling liquid is cooled to the lower end of the mold, and meanwhile, the cooling liquid is cooled to the lower end of the mold. The arc-shaped ventilation grooves promote air circulation and accelerate heat dissipation of the mold, the heat conduction plates conduct heat in the mold to the heat dissipation fins, the heat dissipation area is increased, the heat dissipation effect is enhanced, efficient cooling of the mold is achieved, and stable production of the tooth-shaped bolt and the service life of the mold are guaranteed.

The utility model discloses a structure for treating VOC (volatile organic compound) waste gas. The structure for treating the VOC waste gas comprises an outer layer, a catalyst particle layer, an inner layer, a UVLED (ultraviolet light-emitting diode) line light source and a sealing sheet, the catalyst particle layer is located between the outer layer and the inner layer, and transparent pipes are arranged in the middle of the catalyst particle layer at intervals; a first titanium coating is arranged on the surface, close to the catalyst particle layer, of the outer layer; a second titanium coating is arranged on the surface, close to the catalyst particle layer, of the inner layer, and a plurality of through holes are formed in the surface of the inner layer; the UVLED line light source is arranged in the transparent tube in a penetrating manner; the sealing sheets are arranged at the two ends of the transparent tube and are fixedly connected and communicated with the transparent tube; the side edge of the sealing piece is connected with the outer layer and the inner layer in a sealed mode. According to the VOC waste gas treatment structure, purification treatment of VOC in waste gas can be achieved only by modifying the air pipe, the treatment structure is simple, the cost is low, and the treatment efficiency is high.

The invention relates to the technical field of superhard grinding tools, and discloses an aviation high-temperature alloy machining CBN grinding wheel which comprises a base body, a transition buffer layer and a compact grinding material layer which are sequentially and fixedly connected from inside to outside. The compact abrasive material layer is composed of, by weight, 45%-65% of surface composite modified CBN abrasive materials, 25%-40% of active ceramic-metal composite binding agents, 5%-15% of densification promoting filler and 1%-3% of interface strengthening auxiliaries. According to the CBN grinding wheel for aviation high-temperature alloy machining and the preparation method of the CBN grinding wheel, through titanium coating modification and the synergistic effect of the ceramic-metal composite binding agent, the interface bonding strength of the grinding material and the binding agent is improved by 25% or above, the grinding material is effectively prevented from falling off, the grinding wheel is high in compactness and high in abrasion resistance, the service life is prolonged by 30%-50% compared with a traditional CBN grinding wheel, and the machining cost is reduced.

The utility model discloses a processing device for a circular saw blade with an abrasion-resistant titanium coating, and particularly relates to the technical field of circular saw blade processing, the processing device comprises a processing box, a sealing door and a movable door, the left side of the processing box is provided with the sealing door, and the right side of the processing box is provided with the movable door; and a rotary coating table is arranged at the center position in the processing box and comprises a lower partition plate, a driving table, an upper partition plate, a driving cavity, a motor, a rotating table, a butt joint groove, a sliding block, a spring, a storage groove, an electric push rod and a sealing plate. The rotary table, the driving table and the upper partition plate are arranged in the center of the processing box, the inner space of the processing box is divided into two parts, the left side is a vacuum coating section, the right side is a feeding section, and the motor is started to drive the rotary table to rotate, so that the two groups of material frames can be driven to rotate and exchange in the two sections, and the processing efficiency is improved. And the feeding operation and the film coating operation are carried out respectively, so that the film coating efficiency of the processing device in use is enhanced.

The application discloses a titanium base surface super wear-resistant micro-arc oxidation coating and a preparation method thereof, and a titanium base composite material, and belongs to the field of titanium coating preparation.The coating has a double-layer structure; the content of F elements in the inner layer of the coating is greater than that in the outer layer, the content of Zr elements in the inner layer is less than that in the outer layer, and the content of Zr elements in the outer layer is greater than 30 wt%. The fluorozirconate-based electrolyte is combined with micro-arc oxidation, the problem that a ZrO2-based micro-arc oxidation coating cannot be formed in situ on the surface of an alloy in a uniform distribution through exogenous incorporation in the prior art is solved, the prepared coating can have the characteristic of compactness when the thickness reaches 70 microns, and the wear resistance and service life of the coating are significantly improved.

A preparation method of high-compaction-density lithium iron phosphate comprises the following steps: mixing an iron source, a lithium source, a carbon source and a water solvent, and sanding to obtain first slurry with the solid content of 35-40%; taking the 30-40% of the first slurry, adding a titanium source hydrolysis precursor, and stirring to obtain a second slurry; mixing the first slurry and the second slurry, and performing spray drying to obtain a precursor; sintering under the protection of nitrogen to obtain a sintered sample; and performing jet milling to obtain the product. Tetrabutyl titanate is hydrolyzed and adsorbed on the surface of part of iron phosphate particles to form a titanium coating layer, in the sintering process, the coating particles are inhibited from growing to form small-particle-size particles, uncoated particles form large-particle-size particles, and large-particle-size grading is achieved. Gaps of large particles are filled with small particles, the compaction density is remarkably improved, meanwhile, the process is simplified, and industrialization is facilitated.

This application discloses a high thermal conductivity material for chip-type liquid cooling and its preparation method. The high thermal conductivity material is prepared by mixing oxygen-free copper powder, pretreated diamond powder, titanium powder, additives, and binders, followed by sintering using a metal injection molding process. The diamond powder is etched and kept at a constant temperature to obtain pretreated diamond powder. The pretreated diamond powder, titanium powder, and additives are then added to a ball mill and dried to obtain titanium-coated diamond pre-powder. Etching the diamond powder and then keeping it at a constant temperature in an air atmosphere creates active sites on its surface, significantly enhancing its reactivity with the metal phase. This pre-powder is then ball-milled with titanium powder and additives to achieve titanium coating, forming the titanium-coated diamond pre-powder. This pre-powder solves the problems of poor wettability and weak interfacial bonding between diamond and oxygen-free copper, and also allows for the construction of continuous thermal conductivity pathways through a titanium transition layer, reducing interfacial thermal resistance and improving interfacial wettability. The metal injection molding process can achieve near-net-shape forming of complex plate-type liquid cooling channel structures.

The utility model discloses an adjustable spot plating jig, and aims to solve the problems that a gap of a traditional spot plating jig cannot be adjusted and the traditional spot plating jig is inconvenient to maintain. The jig comprises an annular jig fixing part and an annular jig moving part which are coaxially arranged and connected through an adjusting bolt. A detachable annular material belt baffle is arranged on the periphery of the annular jig fixing part, and one side of the annular jig fixing part is fixedly connected with an annular conductive plate with a ruthenium-iridium-titanium coating; the annular jig moving part is provided with an annular clamping groove, and an electroplating liquid conveying channel with an adjustable gap is formed between the annular jig moving part and the current-conducting plate. And the size of the gap can be accurately controlled by rotating the adjusting bolt to meet different electroplating requirements. In addition, the guide rods and the adjusting bolts are alternately arranged to ensure stable movement of the moving part; the modular design facilitates disassembly and maintenance. The electroplating device has the advantages of adjustable gap, stable electric conduction, convenience in maintenance and the like, obviously improves the uniformity of a plating layer and the production efficiency, and is suitable for electroplating precision parts in the fields of electronics, automobiles and the like.

The invention discloses a bronze-based diamond grinding wheel with high bending strength and a preparation method of the bronze-based diamond grinding wheel, and belongs to the technical field of grinding wheel preparation. Comprising the following steps that 1, aluminum powder, iron powder, chromium powder, cobalt powder and nickel powder are weighed, the obtained mixed powder is loaded into a planetary ball mill, ball milling is conducted for 45 h, and high-entropy alloy powder is obtained; and 2, the high-entropy alloy powder, the copper powder, the copper-tin pre-alloyed powder, the titanium coating diamond abrasive and the composite additive are mixed and subjected to hot pressing sintering under the protective atmosphere after pre-pressing forming, and the bronze-based diamond grinding wheel is obtained. Through the synergistic effect of the high-entropy alloy and the composite additive, the bending strength and impact toughness of the bronze-based diamond grinding wheel are remarkably improved, meanwhile, diamond graphitization is effectively inhibited, and the grinding wheel has high strength and long service life.

The invention relates to carbon-titanium synergistically coated ferric sodium pyrophosphate and a preparation method thereof, and belongs to the technical field of sodium ion batteries. The preparation method comprises the following steps: S1, uniformly mixing iron phosphate, a sodium source, a carbon source and deionized water, and carrying out coarse grinding, fine grinding and spray drying to obtain a composite precursor; and S2, sequentially carrying out rotary kiln presintering, CVD (Chemical Vapor Deposition) furnace carbon-titanium coating and rotary kiln sintering on the composite precursor to obtain the carbon-titanium synergistically coated ferric sodium pyrophosphate. The continuous production is realized through the characteristics of uniform heating of a material body and full rolling contact of the material by virtue of the rotary kiln, so that the production efficiency and the yield are remarkably improved, and the compactness and the performance consistency of the sintered material can be enhanced; carbon-titanium synergistic coating is completed through a CVD vapor deposition technology, the uniformity of a coating layer is effectively enhanced, the carbon coating quality is improved, and the electrochemical performance of the material is comprehensively optimized.

The invention belongs to the field of new materials, and particularly relates to a fluoride-free super-hydrophobic silicon dioxide / titanium nitride coating, a method and application thereof. Through a simple and convenient two-step spraying process, a bottom layer is constructed by dispersing silicon dioxide (SiO) nanoparticles in an epoxy resin (E-44) matrix, and a surface layer is a composite system of titanium nitride (TiN) nanoparticles, E-44 and polydimethylsiloxane (PDMS). The maximum water contact angle (WCA) of the coating reaches 161 degrees, and the coating has excellent self-cleaning and anti-pollution performance, not only can repel various liquids such as acid solutions, tea water and orange juice, but also can effectively remove solid pollutants. Benefited from the use of TiN, the coating shows excellent photothermal conversion efficiency: under the irradiation of a xenon lamp, the surface temperature of the coating can be increased to 76.8 DEG C within 200 seconds, which is 37.5 DEG C higher than that of a pure SiO coating. In a 15-DEG C anti-icing test, the coating reduces the solid-liquid contact area and heat transfer through the air interception layer, the water drop freezing time is remarkably prolonged, and the effect is obviously superior to that of a pure SiO coating.