74 results about "Titanium electrode" patented technology

The invention provides a hydrogen sensor with an ultrafast hydrogen response speed and a preparation method thereof, the hydrogen sensor comprises a silicon oxide substrate and a double-interdigital electrode structure, the double-interdigital electrode structure comprises a titanium electrode layer, a tungsten enhancement layer and a palladium sensitive layer; an interdigital electrode pattern is arranged on the silicon oxide substrate, the titanium electrode layer covers the interdigital electrode pattern, the tungsten enhancement layer covers a pin area and a bridge arm resistance area of a titanium electrode, the palladium sensitive layer covers the titanium electrode layer and corresponds to the position of the interdigital electrode pattern, and the titanium electrode layer is directly arranged on the silicon oxide substrate. The structure is simple, the titanium electrode serves as the bottom electrode, the sensitivity and mechanical stability of the sensor are improved, the tungsten enhancement layers are arranged in the titanium electrode pin area and the bridge arm resistor area, and the overall conductivity and mechanical strength are improved.

The invention discloses a preparation method of a novel mixed metal oxide coating titanium electrode, and relates to the technical field of electrode preparation, the method comprises the following specific steps: titanium substrate pretreatment: a titanium plate is sequentially subjected to gradient polishing with 120-800-mesh abrasive paper, the polished titanium substrate is subjected to hydrochloric acid solution etching, argon plasma surface activation and drying treatment, and a titanium substrate is obtained; obtaining a clean substrate surface with proper roughness; through the low-temperature plasma treatment, pulsed bias magnetron sputtering and laser-induced atomic layer deposition (LA-ALD) combined technology, the binding force of the coating and the titanium substrate is remarkably improved, high-energy particles are used for bombarding the surface of the titanium substrate in the low-temperature plasma treatment, residual impurities are effectively removed, the surface roughness and active sites are increased, and the surface hardness of the titanium substrate is improved. In the pulsed bias magnetron sputtering process, the surface of the substrate is further cleaned through periodic ion bombardment, atomic diffusion and mixing between the coating and the substrate are promoted, a transition layer structure is formed, and therefore the binding force is greatly enhanced.

The invention relates to a perovskite single crystal radiation detector capable of working stably under high bias voltage and a preparation method thereof, the detector comprises a perovskite single crystal material layer, a titanium electrode layer and a grounding electrode layer, and the titanium electrode layer and the grounding electrode layer are respectively arranged on the upper side and the lower side of the perovskite material layer. The perovskite radiation detector disclosed by the invention can stably work under high bias voltage, and compared with a currently reported perovskite radiation detector, the perovskite radiation detector disclosed by the invention can realize long-term working stability without any passivation or polishing post-processing method on the perovskite single crystal. The perovskite radiation detector can work stably under high bias voltage, and is low in dark current, low in detection limit and high in sensitivity.

The application discloses a kind of bioelectrochemical reactor and the method for processing low concentration wastewater using it, belong to low concentration wastewater treatment technical field.The bioelectrochemical reactor of the application includes reactor top cover and reactor tank body;Gas inlet hole is provided on the reactor top cover, anode, cathode and aeration device are arranged in the reactor tank body, and anode and cathode are connected with external direct-current power supply through titanium wire respectively;Aeration device is connected with gas inlet hole;Anode and cathode are both carbon nanotube modified titanium electrode.When the above-mentioned bioelectrochemical reactor is used to process low concentration wastewater, first, electroactive bacteria are cultivated on the surface of electrode using aerobic sludge, then bioelectrochemical aerobic reaction is carried out, and under aeration condition and low voltage, COD and NH4 + -N removal efficiency can reach more than 95%, electrode corrosion is low, the treatment method is simple and efficient, and no secondary pollution is generated, and has wide application prospect.

The present invention discloses a titanium electrode block conveying and placing device, comprising a frame, a mobile trolley, a material rack support and moving mechanism, and a placing mechanism. The frame comprises a frame and a material taking platform. The mobile trolley is arranged above the frame. The material rack support and moving mechanism are arranged below the welding material rack. The placing mechanism comprises a lifting cylinder arranged in the middle of the mobile trolley body, a second motor reducer and a driving lifting transmission device installed on the body, a moving block arranged on the upper plate of the lifting cylinder, a moving block adjustment screw threadedly engaged in the internal thread of the moving block, a third motor reducer installed on the upper plate and driven and connected to the moving block adjustment screw, an adjustment block arranged at the lower part of the lifting cylinder, and a rocker rotatably connected to the adjustment block and the moving block. The titanium electrode block conveying and placing device of the present invention can conveniently convey and place titanium electrode blocks on the welding material rack, making it easier for the titanium electrode blocks to enter the welding box for subsequent welding processing.

The invention relates to the technical field of electrode press operation, in particular to a continuous reciprocating type mixed feeding device and method for a titanium alloy electrode press. After the raw materials are mixed in the mixing device, the mixed raw materials are transferred into the material mixing tank, the material mixing tank continues mixing, it is guaranteed that the mixing effect of the raw materials is not changed, meanwhile, the raw materials move towards the position of the mold, and when the mixed materials move to the position above the mold, the mixed raw materials are transferred into the mold; meanwhile, the two mixing tanks are arranged and matched with the two-time feeding process of the titanium electrode, when the first mixing tank unloads materials to the mold, the second mixing tank is just transferred to the feeding position of the mixing device, and when the first mixing tank unloads the materials, the second mixing tank loads the materials, so that continuous mixing and feeding of the raw materials are achieved, and meanwhile, the production efficiency is improved. And the mixing tanks are arranged side by side and do reciprocating motion between the feeding position and the mold. The problem that the finished product quality of titanium alloy electrodes is affected due to layering in the feeding process is solved, and meanwhile automatic and continuous feeding of raw materials is achieved.

The invention discloses a preparation method and an application of a high-sensitivity photoelectric detector based on Cr2Ge2Te6. The design method comprises the following steps of: obtaining single-layer or few-layer Cr2Ge2Te6 by using a silver-assisted stripping method, and transferring the single-layer or few-layer Cr2Ge2Te6 to a clean SiO2 / Si substrate by using a PDMS / PVA (Polydimethylsiloxane / Polyvinyl Alcohol) film; and finally, plating titanium at two ends of the Cr2Ge2Te6 to serve as metal electrodes. The structure of the prepared photoelectric detector is a titanium electrode / Cr2Ge2Te6 / titanium electrode. According to the test of a photoelectric test probe station, under the condition that the voltage of the electrodes at the two ends ranges from-1 V to 1 V, lasers with different wavelengths and different powers are additionally arranged on the Cr2Ge2Te6 photoelectric detector, the Cr2Ge2Te6 photoelectric detector can detect visible light (405 nm, 532 nm and 635 nm) and near-infrared light (808 nm) with the optical power density of 30-50 [mu] W / cm < 2 >, and light current is improved by one order of magnitude compared with dark current under weak laser irradiation.

The application provides a cold coke water treatment process and system. The cold coke water treatment process comprises the following steps: step one: after being collected by a coke storage pool, the cold coke water is filtered by a flat ceramic membrane to obtain concentrated coke water and dilute coke water, and the concentrated coke water is returned to the coke storage pool; step two: after being stored by a cold coke water tank, the dilute coke water is divided into dilute coke water I and dilute coke water II, the dilute coke water I is sequentially treated by a first-stage electro-catalytic oxidation unit, a second-stage electro-catalytic oxidation unit and a reverse osmosis unit to obtain purified water; and the dilute coke water II is used as cold coke water makeup water and recycled; the first-stage electro-catalytic oxidation unit is provided with an electro-catalytic oxidation reaction tank, the electro-catalytic oxidation reaction tank is provided with a cathode and an anode, the cathode is a titanium electrode, and the anode is a titanium-based metal oxide coating electrode; the second-stage electro-catalytic oxidation unit is provided with an electro-catalytic oxidation reaction tank, the electro-catalytic oxidation reaction tank is provided with a cathode and an anode, the cathode is a titanium electrode, and the anode is a boron-doped diamond electrode. The treatment process has good treatment effect and is environmentally friendly and economical.

The embodiment of the invention provides a preparation method of a titanium-based water electrolysis hydrogen production electrode and the titanium-based water electrolysis hydrogen production electrode, and relates to the technical field of water electrolysis hydrogen production, and the method comprises the steps that a titanium electrode base body serves as an anode and is put into a passivation solution for electrification treatment, and a passivation film is formed on the surface of the titanium electrode base body based on the anode passivation reaction; and preparing a catalytic active layer on the outer layer of the passive film formed on the surface of the titanium electrode substrate to obtain the titanium-based water electrolysis hydrogen production electrode. By applying the embodiment of the invention, the hydrogen embrittlement resistance and durability of the titanium-based water electrolysis hydrogen production electrode can be improved, and the service life of the titanium-based water electrolysis hydrogen production electrode can be prolonged.

The invention belongs to the technical field of hydrogen production equipment production, and provides a regular microstructure titanium electrode plate based on 3D printing aiming at the defects of the prior art, and the regular microstructure titanium electrode plate can still be applied to a filmless electrolytic bath in the hydrogen production field on the premise of not using polypyrrole. Therefore, based on an existing titanium electrode plate, microstructure reshaping is carried out, raw material screening is carried out according to the reshaped microstructure, the screened raw materials are processed into the titanium electrode plate composed of the microstructure with the consistent shape through 3D printing, and catalyst loading is carried out on the titanium electrode plate. And the titanium electrode plate loaded with the catalyst is used for preparing a filmless electrolytic bath. Compared with the prior art, the scheme has more strict requirements on raw materials, and the particle size and sphericity are accurately controlled, which is far better than the description of the raw materials by a contrast file. However, the quality control requirement of a final product is actually lower than the requirement in the prior art. Therefore, the machining cost is lower, and popularization is more convenient.

The application is a method for coupling phase transfer of chlorine and in-situ chlorination. The method comprises the following steps: under a two-electrode system, using a coated titanium electrode as a working electrode and a platinum plate as a counter electrode, reacting for 1-4 hours under a constant current of 3 mA-50 mA, and standing the whole reaction system for 6-14 hours to obtain 2,4-dichloroacetanilide; in the anode chamber, the lower part is an anode electrolyte and the upper part is an organic phase; the volume ratio of the two is 1:1-3; and the working electrode is completely inserted into the lower aqueous phase; and the anode electrolyte is a hydrochloric acid solution containing a chlorine salt. The application improves the direct utilization rate of chlorine atoms, the active chlorine generated by the anode does not escape the system and directly participates in chlorination, thus significantly reducing the accumulation of chlorine gas and the safety hidden danger of storage and transportation, and providing a feasible method for coupling traditional process and electrocatalytic experiments.

The invention discloses a circulating type seedling culture water quality regulation and control method based on weak electric field coupling multi-trophic-level organisms, and belongs to the technical field of seedling culture water quality regulation and control. The method comprises the following steps: putting chlorella with a certain density into a culture water body, culturing for a period of time, inoculating rotifers, and then culturing shellfishes in the culture water body to construct a rotifer-algae-shellfish multi-nutritional-level system; titanium electrode plates are placed at the two ends of the aquaculture water body and matched with a direct-current converter, air stones are laid at the bottom of the aquaculture water body, and a power source is switched on to form a weak electric field in the aquaculture water body; after fish and shellfish are bred and collected, the number of rotifers and chlorella in the breeding water body is adjusted to a certain extent according to the putting value, the rotifer-algae-shellfish multi-nutrition-level system is constructed, the aquaculture seedling breeding water body can achieve self-purification, the sewage treatment cost and the influence on the environment are reduced, and the breeding water body is more environmentally friendly. And the metabolic rate of each nutrition level in the multiple nutrition levels is increased through the weak electric field.

The application relates to the technical field of water treatment, and discloses a system for deep treatment and reuse of iron ore sand industrial water in an island, which comprises, in sequence, a water inlet pretreatment unit, a biochemical denitrification and phosphorus removal unit, a sedimentation and separation unit, a membrane physical interception unit and an electrodeionization unit. The biochemical denitrification and phosphorus removal unit is an AAO-AO reaction tank, which is internally divided into five biochemical reaction zones in sequence and is provided with a nitrification liquid internal reflux pipeline; the membrane physical interception unit comprises a rotary drum filter tank, an ultrafiltration unit and a nanofiltration unit; the main body of the electrodeionization unit is internally configured with a reticular platinum-plated titanium electrode and a stainless steel compression spring for providing downward mechanical pressure, and is internally filled with a resin layer formed by uniformly and integrally filling and mixing strong acid cation resin, weak acid cation resin, strong base anion resin and weak base anion resin. The system is processed by biochemical reaction, membrane and electrodeionization in cooperation, high salt hardness of raw water is removed, produced water reaches the standard of iron ore sand water, no chemical agent is needed for regeneration, and the water recovery rate is improved.

The invention provides a preparation method of ultralow-sulfur low-manganese steel for a titanium-containing electrode. The preparation method comprises the following steps: adding a first slagging material into a converter for dephosphorization and demanganization, pouring out part of converter slag, adding a second slagging material into the converter for decarbonization, tapping steel from the converter and completely remaining slag; active lime and cryolite are added when the LF enters the station, manganese in the molten steel is removed, after the molten steel is heated to the target station outlet temperature, a steel ladle slag modifier is added to the steel ladle slag surface, and then soft argon blowing is conducted; carbon powder is added for RH vacuum deoxidation, sponge titanium is added for RH alloying, and desulfurization modifier composite balls are added for RH deep desulfurization and inclusion modification; the ladle long nozzle is cast under the protection of a sealing ring and argon blowing in the whole process; and the covering agent is supplemented in the continuous casting process according to the covering condition of the tundish. According to the method disclosed by the invention, by utilizing thermodynamic and dynamic conditions of each process and combining a steel ladle slag modifier and desulfurization modifier composite ball, step-by-step demanganization, desulfurization and steel ladle slag modification are realized, and the ultralow-sulfur low-manganese steel for the titanium-containing electrode is prepared.

The present invention relates to the technical field of titanium alloy processing, and discloses a method for preparing a superconducting NbTiTa alloy ingot, comprising: mixing niobium powder and tantalum powder in a weight ratio of Nb:Ta=3:1, isostatically pressing and vacuum sintering the mixed material to obtain a NbTa sintered rod; subjecting the NbTa sintered rod to vacuum electron beam melting twice to obtain a Nb25Ta ingot; heating the Nb25Ta ingot to 300°C and holding the temperature for more than 2 hours to forge the Nb25Ta rod; determining the Nb content according to the measured composition of the Nb25Ta rod. The raw materials for the TiTa alloy and the NbTiTa alloy include at least: Nb25Ta rods, titanium sponge, and a TiTa mixed powder or a TiNb mixed powder. The titanium sponge and the TiTa mixed powder or the TiNb mixed powder are laid and pressed to form a titanium electrode block, wherein a groove is formed at the centerline of the upper surface of the titanium electrode block and runs through the opposite ends of the block. Multiple titanium electrode blocks and Nb25Ta rods are assembled and welded to form a rod-shaped consumable electrode. The consumable electrode is then subjected to three vacuum consumable arc melting processes to obtain a NbTiTa alloy ingot. This application achieves the purification of the alloy and the precision of its composition.

The invention discloses a hydrogen bond organic framework-polyvinyl alcohol composite hydrogel-based synaptic device as well as a preparation method and application thereof. The synaptic device comprises a zinc electrode on the upper layer, a titanium electrode on the lower layer and double-layer hydrogel clamped between the zinc electrode and the titanium electrode, the double-layer hydrogel comprises negative HOF / PVA composite hydrogel close to the zinc electrode and positive HOF / PVA composite hydrogel close to the titanium electrode, and the negative HOF / PVA composite hydrogel is in contact with the positive HOF / PVA composite hydrogel; the negative electricity HOF is a hydrogen bond organic framework material synthesized by using 1, 2, 4, 5-tetra (4-carboxyphenyl) benzene as a precursor, and the positive electricity HOF is a hydrogen bond organic framework material synthesized by using 1, 3, 6, 8-tetra (p-aminophenyl)-pyrene as a precursor. The core synaptic plasticity performance such as pulse promotion, pulse suppression, long-time-history promotion, long-time-history suppression and pulse time sequence dependent plasticity can be stably shown.

The application discloses a graphene composite high-entropy metal oxide coating titanium-based electrode and a preparation method and application thereof, and relates to the technical field of electrode materials, in particular to a graphene composite high-entropy metal oxide coating titanium-based electrode and a preparation method thereof.The preparation method of the graphene composite high-entropy metal oxide coating titanium-based electrode comprises the following steps: S1, pretreating a titanium base; S2, placing the pretreated titanium base in an electrodeposition liquid, wherein the electrodeposition liquid is a mixed liquid of an oxidized graphene solution and a high-entropy metal salt solution; S3, performing electrodeposition on the titanium base by taking the titanium base as an anode and a graphite electrode as a cathode; and S4, performing heat treatment on the titanium base with the coating deposited thereon in an inert gas atmosphere.The graphene composite high-entropy oxide is prepared by electrodeposition, and the process is simple and the preparation cost is low.The graphene composite high-entropy oxide coating titanium electrode prepared by the application can realize the removal of more than 85% of COD within 120 min when used for treating high-concentration wastewater with COD of 500-20000 mg / L, has excellent stability, and has a wide application prospect.

This invention discloses a method for preparing and applying a fullerene-modified iridium-based composite coated titanium electrode, belonging to the field of titanium electrode preparation technology. The preparation method includes: pretreating the surface of a titanium substrate; completely dissolving an iridium source in an organic solvent, then adding a tantalum source and a titanium source and dissolving them completely; ultrasonically dispersing a fullerene in an organic solvent and adding it to the above solution, stirring until homogeneous to obtain an active liquid of fullerene-modified iridium-tantalum titanium oxide; brushing the prepared active liquid onto the pretreated titanium substrate surface, drying and sintering, then removing and cooling to room temperature; repeating the brushing, drying, and sintering process until all the active liquid is applied. This invention introduces fullerene, a zero-dimensional carbon material with excellent conductivity and corrosion resistance, to construct a highly efficient three-dimensional conductive network, improving catalytic reaction efficiency and the physical and chemical stability of the electrode under strong acid and strong oxidation conditions, thus significantly extending the electrode's lifespan.

The invention discloses a titanium selenide loaded platinum monatomic bio-based composite material and an electrode preparation method thereof, H2PtCl6 is dissolved in absolute ethyl alcohol, mixed with agricultural and forestry waste powder and TiSe2 nanoparticles and dried; and carrying out reduction treatment on the obtained powder by using mixed gas of ammonia gas and hydrogen, washing, centrifuging for multiple times by using absolute ethyl alcohol, and drying to obtain the composite material with the monatomic PtNC loaded on the TiSe2 nanoparticles. And preparing a coating solution from the prepared PtNC-TiSe2 powder material, coating the coating solution on a substrate for drying, and sintering the electrode containing the coating in a heating furnace to finally obtain the PtNC monatomic doped titanium selenide electrode. The invention provides an effective atomic level engineering strategy to improve the electrocatalytic property of the Pt-based electrocatalyst and improve the electrochemical redox demercuration performance, meanwhile, active sites on the surface of the metal selenide play a leading role in improving the demercuration performance of the Pt-based electrocatalyst, and single-atom Pt can be combined with more mercury in an electro-adsorption manner.

The invention provides a residual titanium electrode and a preparation method and application thereof. The residual titanium electrode comprises a main arc-shaped plate, a main arc-shaped plate and a main arc-shaped plate, the auxiliary arc-shaped plate is matched with the main arc-shaped plate so as to seal the opening of the main arc-shaped plate; wherein the main arc-shaped plate and the auxiliary arc-shaped plate are made of recycled plate-strip-shaped residual titanium materials; and the filling material is one or more forms of residual titanium materials which are filled in a closed cylinder formed by the main arc-shaped plate and the auxiliary arc-shaped plate and are fastened. According to the method, integrated recovery of the residual titanium in various forms is achieved, the resource utilization rate is greatly increased, the adaptability is high, and the cost is low.

This invention relates to the field of electrode material preparation technology, and discloses a method for preparing titanium substrate that can shorten the preparation process of titanium electrodes, comprising: Step 1: titanium plate preparation; Step 2: preparation of titanium palladium acid-etched metal alloy plate, using titanium, palladium and acid-etched metal ingots, forging and rolling to form titanium palladium acid-etched metal alloy plate; Step 3: preparation of titanium-based titanium palladium metal composite plate, combining the titanium palladium acid-etched metal alloy plate from Step 2 with the titanium plate from Step 1, and then immersing it in an acid solution until the acid-etched metal is completely dissolved to obtain a porous titanium-based titanium palladium metal composite plate; This invention can omit the sandblasting and shaping processes in the preparation of titanium electrodes, thereby shortening the production process of titanium electrodes, and the titanium substrate prepared for titanium electrodes has uniform roughness and strong oxidation resistance; This invention reduces production costs and improves product performance and production efficiency.

This invention discloses a bipolar membrane electrodialysis method for recovering nitrogen and phosphorus from magnesium tailings and its application, belonging to the field of aquaculture wastewater treatment technology. The invention utilizes a self-made circular electrolytic cell, along with cation and anion exchange membranes, a bipolar membrane, a peristaltic pump, and ruthenium-iridium-titanium electrodes, to form a bipolar membrane electrodialysis device. From left to right, the bipolar membrane electrodialysis device consists of an anode chamber, a tailings leaching chamber, a wastewater chamber, and a cathode chamber. A bipolar membrane connects the anode chamber and the tailings leaching chamber, a cation exchange membrane connects the tailings leaching chamber and the wastewater chamber, and an anion exchange membrane connects the wastewater chamber and the cathode chamber. Under the influence of an electric field, the bipolar membrane electrodialysis device catalyzes the dissociation of water to generate H₂. + And enter the tailings leaching chamber to assist in the Mg removal of magnesium tailings. 2+ Leaching, Mg in the tailings leaching chamber 2+ and OH in the cathode chamber ‑ It enters the wastewater chamber under the influence of an electric field, where OH... ‑ Under suitable alkaline conditions, nitrogen and phosphorus in aquaculture wastewater in the wastewater chamber are effectively precipitated in the form of magnesium ammonium phosphate precipitate.

The invention relates to a low-temperature disinfectant and a production method thereof. The production method comprises the following steps: (1) preparing a sodium chloride aqueous solution with the concentration greater than or equal to 20wt%; (2) preparing a ruthenium iridium titanium electrode; (3) electrolysis: electrolyzing the sodium chloride aqueous solution in an electrolytic bath by adopting a ruthenium-iridium-titanium electrode; (4) mixing: adding an organic solvent and trimethyl phosphate into the liquid storage tank, and uniformly mixing with the disinfectant to form a mixed solution; and (5) cooling: reducing the temperature of the mixed solution to-20 DEG C to-40 DEG C by using a refrigerator, so that the sodium chloride salt is separated out from the mixed solution, and the low-temperature disinfectant is obtained. The low-temperature disinfectant provided by the invention can not be frozen for a long time under extremely cold conditions in winter in northern areas; a large number of crystals can be separated out in the preparation process, the corrosion probability of disinfected objects is reduced, and the low-temperature disinfectant saves cost and is suitable for industrial large-scale production.

The application relates to the technical field of wastewater treatment, and specifically discloses an electric precipitation-electrochlorination coupling wastewater treatment method driven by polarity conversion. The coupling system adopted by the method comprises a diaphragmless reactor, a magnesium electrode, a ruthenium-iridium coating titanium electrode, a direct-current power supply with a polarity inversion function and a stirring device, and the two electrodes are concentrically nested in the reactor. The method switches the polarity of the electrode power supply through time sequence, first uses the magnesium electrode as an anode to perform an electric precipitation reaction, simultaneously realizes phosphorus recovery and partial ammonia nitrogen removal, reverses the polarity to use the ruthenium-iridium coating titanium electrode as an anode to perform an electrochlorination reaction, and deeply removes residual ammonia nitrogen. Single polarity inversion can simultaneously complete reaction function switching, electrode in-situ self-cleaning and solution pH self-buffering, and does not need to additionally add a cleaning process and an acid-alkali adjusting unit. The method is suitable for high-nitrogen and phosphorus molar ratio livestock and poultry breeding wastewater treatment, has the advantages of stable nitrogen and phosphorus removal and recovery, high system integration degree and recoverable nitrogen and phosphorus resources, and has a good engineering application prospect.

The invention discloses a preparation method of a high-stability titanium electrode, and relates to the technical field of titanium electrode preparation through a thermal decomposition method. The method comprises the following steps: S1, carrying out surface treatment on a titanium substrate; s2, preparing an iridium tantalum coating solution containing cysteine hydrochloride; and S3, uniformly coating a titanium substrate with the coating solution, sintering to form an active coating, and cooling to room temperature to obtain the coated titanium electrode. Compared with a traditional iridium tantalum system, the coating titanium electrode introduced with cysteine hydrochloride has the advantages that the coating structure can be optimized, and the coating stability can be improved. Cysteine hydrochloride has certain reducibility and can inhibit excessive oxidation of noble metal oxides to a certain extent, so that the coated titanium electrode with better stability and longer service life is obtained and is used for producing a copper foil anode.

The device comprises a light source device, an optical lens, a platinum net electrode, a pure titanium electrode, an electrolyte tank with electrolyte and a power source, the platinum net electrode serves as a cathode and is connected with a negative electrode of the power source, and the pure titanium electrode serves as an anode and is connected with a positive electrode of the power source. The light source equipment couples a light beam of ultraviolet light into an electrolyte in the electrolyte tank through the optical lens by virtue of the optical fiber for transmitting the ultraviolet light, and the ultraviolet light irradiates the surface of the pure titanium electrode after penetrating through the platinum net electrode and is treated for a period of time under constant direct-current voltage to obtain a titanium dioxide nanotube with higher photocatalytic performance; and popularization and application of the device for preparing the titanium dioxide nanotube through ultraviolet light synchronous irradiation and anodic oxidation in the technical field of composite electrochemical machining are facilitated. Compared with a traditional method, the preparation method has the advantages that the energy consumption can be effectively reduced, the equipment cost and the operation complexity are synchronously reduced, and large-scale production of nanotubes is facilitated.

The invention discloses a composite titanium electrode and a preparation method thereof, the composite titanium electrode comprises a titanium mesh base material and a coating arranged on the titanium mesh base material, and the coating comprises an iron-based MOF carbon material and polytetrafluoroethylene. The preparation method of the composite titanium electrode comprises the following steps: a, adding an iron-based MOF carbon material and an adhesive into a solvent, and mixing and dispersing to obtain a black colloidal mixture; and b, smearing the colloidal mixture on a titanium mesh, carrying out tabletting treatment, washing and drying to obtain the composite titanium electrode. The prepared electrode material has an excellent catalytic effect while playing an electrode role, the removal rate of polycyclic aromatic hydrocarbon in low-permeability soil is greatly increased, meanwhile, disturbance to the pH of the soil is reduced, and the electrode material is suitable for remediation of the low-permeability soil.

The application discloses a rough titanium substrate and a preparation method and application thereof, and the preparation method comprises the following steps: cutting an initial titanium sheet and then performing alkali washing and oil removal treatment to obtain a cut titanium sheet; a double electrode system is formed by taking NaBr as an electrolyte, taking the cut titanium sheet as a working electrode, and taking the initial titanium sheet as a counter electrode; the double electrode system is electrified; first, a constant current of 180 mA·cm ‑2 Once etching is performed on the cut titanium sheet, and then the constant current of 500 mA·cm ‑2 Second etching is performed on the cut titanium sheet to obtain the rough titanium substrate. The rough titanium substrate obtained through electrochemical etching has higher electrocatalytic activity and electrochemical active area under the condition of the same active oxide load, and the rough titanium substrate prepared by the application is more beneficial to the adhesion of a coating and the stability of an electrode.

The present application relates to a kind of crystalline cobalt antimonate coating titanium electrode and its preparation method.The electrode active coating component is crystalline CoSb2O6, and Co and Sb element are uniformly distributed in active coating.The electrode is without noble metal such as Ru and Ir, and cost is far lower than classic TiO2-RuO2 coating titanium electrode.The electrode can achieve good chlorine evolution activity under low chloride ion concentration, and chlorine evolution activity is slightly lower than TiO2-RuO2 electrode, and service life is superior to TiO2-RuO2 electrode.In the field of on-site electrochemical treatment of wastewater, it has wide application prospect.The present application also provides the preparation method of cobalt antimonate coating titanium electrode, precursor solution is prepared by ethylene glycol-citric acid sol-gel method, electrode is coated by dip-coating plating film method, and finally electrode is prepared by thermal decomposition method.The present application is simple in process, low in cost, and suitable for large-scale production.

The present invention provides a large-capacity capacitor secondary battery having a current-collecting layer formed by depositing conductive microparticles. [Solution] Conductive nanoparticles are laminated onto the surface of titanium electrode material. For example, nanocarbon is laminated. A ceramic dielectric is laminated in the middle, and the electrode material is laminated on the other side with nanocarbon particles in between, and a ceramic coating is applied to create a stable laminated structure. Furthermore, nanocarbon fibers are incorporated to significantly improve capacitance, enabling a substantial increase in capacitance and stable product manufacturing and mass production. It is also used in combination with a capacitor to store the power to be supplied to the load, a secondary battery, a charge / discharge control circuit, a DC-DC converter, etc.