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110 results about "Anode oxidation" patented technology

The anode is an element that loses electrons (reducing agent), thus oxidation always occurs in the anode, and the cathode is an element that gains electrons (oxidizing agent), thus reduction always occurs in the cathode. Corrosion occurs whenever there’s a difference in oxidation potential.

Rare earth element doped stainless steel oxygen evolution electrode and preparation method thereof

The invention discloses a rare earth element doped stainless steel oxygen evolution electrode and a preparation method thereof, and belongs to the technical field of electrode preparation. The preparation method of the stainless steel oxygen evolution electrode comprises the steps that stainless steel with impurities removed serves as an anode and is placed in an alkaline solution with the concentration being 7-12 mol / L, cyclic voltammetry is adopted, stainless steel treated through cyclic voltammetry is obtained, and the potential window is-0.3 V to 1.5 V; the stainless steel is placed in an alkaline solution with the concentration being 1-2 mol / L and serves as an anode for electrolysis, and anodic oxidation stainless steel is obtained; the anodic oxidation stainless steel is placed in a cerium ion solution, a cyclic voltammetry method is adopted, the stainless steel serves as an anode to be treated, and a stainless steel oxygen evolution electrode is obtained through electro-deposition; wherein the potential window is-1.5 V to 1.0 V (+ / -0.5 V). The preparation method is simple, the cost is low, large-scale preparation is easy, long-time, high-temperature and other complex preparation processes are not needed, and when the electrode is used as an electrode for electrolyzing oxygen evolution in water, the electrode has excellent catalytic activity and shows huge application prospects in large-scale industrial hydrogen production through water electrolysis.
Owner:CHONGQING UNIV

Anodic oxidation tank with lifting structure

The utility model is suitable for the technical field of anodic oxidation tanks, and provides an anodic oxidation tank with a lifting structure, which comprises a sewage pool for collecting splashed electrolyte, the electrolysis tank is arranged in the sewage pool and is used for storing electrolyte; the electric guide rail is fixed on the outer wall of the electrolysis tank and is used for assisting in adjusting the position of the base material; the electric telescopic rod is arranged on the electric guide rail and is used for assisting in adjusting the height of the base material; the supporting rod is mounted on the electric telescopic rod through a connecting plate; and the hook is movably hung on the supporting rod and is used for supporting a base material. According to the anodic oxidation tank with the lifting structure, the height of a base material can be conveniently adjusted, the position of the base material can be adjusted after machining is completed, the base material can be conveniently kept in a hoisting state for flushing, electrolyte residues are reduced, and meanwhile sewage can be prevented from being mixed into electrolyte.
Owner:CHENGDU KAIMEILI TECH CO LTD

A substrate with micro-nano composite texture and a preparation method and application thereof

The application relates to a substrate with micro-nano composite texture and a preparation method and application thereof, and belongs to the technical field of biological medicine. The preparation method comprises the following steps: S1, adopting a nanosecond laser to perform texture treatment on pretreated metal titanium, forming micro texture on the surface of the metal titanium, and obtaining micro texture metal titanium; S2, uniformly stirring ammonium fluoride in ethylene glycol, then uniformly stirring water in the ethylene glycol, and obtaining an electrolyte; S3, connecting the positive pole of a direct current power supply to the micro texture metal titanium as an anode, connecting the negative pole of the direct current power supply to a platinum electrode as a cathode, and performing magnetic field assisted anodic oxidation treatment on the micro texture metal titanium in the electrolyte, so that nano texture is formed on the surface of the micro texture metal titanium; and after cleaning and drying, a substrate with micro-nano composite texture is obtained. The substrate is applied to a drug-loaded coating of a metal implant, can realize micro-nano multi-scale cooperation, integrates the macrostructure advantage of the micron texture and the surface characteristics of the nanotube, and greatly improves the comprehensive performance of the drug-loaded coating.
Owner:SUZHOU UNIV

Anode foil and preparation method thereof

The invention relates to an anode foil and a preparation method thereof. The preparation method comprises the following steps: sequentially carrying out pretreatment, primary formation treatment and secondary formation treatment on a corrosion foil; wherein the pretreatment comprises steam oxidation pretreatment, and high-temperature steam is adopted for carrying out steam oxidation treatment on the etched foil; the first-stage formation treatment comprises the step of carrying out first anodic oxidation on the pretreated corrosion foil in a first electrolyte; the first electrolyte comprises organic acid and organic ammonium salt; the second-stage formation treatment comprises the step of carrying out second anodic oxidation on the corroded foil subjected to the first-stage formation treatment in a second electrolyte, wherein the second electrolyte comprises organic acid and phosphate. The surface oxidation film performance of the anode foil is improved, the leakage current of the anode foil is reduced, and the service life of the anode foil is prolonged.
Owner:SHIHEZI JOINCHIN ELECTRODE FOIL CO LTD

Metal-based needle tube and preparation method and application thereof

The application provides a metal-based needle tube and a preparation method and application thereof, and relates to the technical field of detection, and aims to solve the technical problem that the sampling needle is made of rigid material and cannot detect the solution property of the sample or reagent at the same time. The preparation method of the metal-based needle tube comprises the following steps: anodizing the needle tube as an anode in an electrolyte, taking a conductive wire as a cathode, arranging the conductive wire in the needle tube, and arranging the conductive wire coaxially with the needle tube; the voltage of anodization is 0.1V-50V, the temperature is 15-80 DEG C, and the time is 1-600 min; coating the wall surface of the needle tube after anodization with a uniform polymer film; the polymer is one of polytetrafluoroethylene, polydimethylsiloxane and polyethylene; and the metal is one of titanium, copper and stainless steel. The needle tube is used for sampling and detecting the concentration, type or pH value of the liquid at the same time.
Owner:理东新材料科技(山东)有限公司

Anode slurry and preparation method and application thereof

The invention discloses anode slurry as well as a preparation method and application thereof. The invention provides a preparation method of anode slurry C. The preparation method comprises the following steps: step 1, mixing an iridium catalyst, perfluorinated sulfonic acid resin dispersion liquid and a solvent to obtain slurry A; step 2, adding a platinum precursor into the slurry A to obtain slurry B; and step 3, the slurry B reacts at 50-90 DEG C to prepare anode slurry C. According to the method, the water-soluble platinum precursor is directly added into the anodized iridium oxide catalyst slurry, so that the dispersity of platinum and the capability of eliminating hydrogen in oxygen of platinum per unit mass are remarkably improved.
Owner:SHANGHAI H RAY S & T CO LTD

An electro-polymerized conductive polymer modified aluminum current collector, and a preparation method and application thereof

This invention provides an electropolymer-modified aluminum current collector, its preparation method, and its application, relating to the field of aluminum foil current collector technology. By modifying the current collector surface, it primarily addresses the interface problem between the current collector and the active material, thereby improving the performance of lithium-ion batteries. This invention uses an aluminum foil current collector as the anode, a graphite plate as the cathode, and an acidic solution of a conductive polymer monomer as the electrolyte. Anodizing electropolymerization is performed using a constant current or constant voltage method, followed by washing and drying to obtain the electropolymer-modified aluminum current collector. The conductive polymer monomer is at least one of aniline, thiophene, and pyrrole; the concentration of the conductive polymer monomer in the electrolyte is 0.1-1.0 mol / L; and the polymerization time is 5-10 min. This invention effectively reduces the contact resistance between the current collector and the active material, improves the bonding strength between the coating and the substrate, and enhances the corrosion resistance of the current collector, showing promising application prospects.
Owner:GUIZHOU UNIV +1

Aluminum electrolytic capacitor for automotive electronics and preparation method thereof

The invention discloses an aluminum electrolytic capacitor for automotive electronics and a preparation method of the aluminum electrolytic capacitor. The capacitor comprises a core package formed by winding an anode foil, a cathode foil and electrolytic paper, and an electrolyte impregnated in the core package. The electrolyte comprises a solvent, a solute and an additive, the solvent contains ethylene glycol monoalkyl ether, and the additive contains phosphotungstic acid. The preparation method comprises the steps of riveting, element winding, drying treatment, electrolyte impregnation, packaging, aging and the like, wherein the impregnation rate is controlled to be 1.31-1.51 in the electrolyte impregnation step. Through the optimized electrolyte formula and strict process control, the high-frequency ESR of the capacitor is remarkably reduced, the hydration corrosion of an anode oxide film is effectively inhibited, the high-temperature resistance and the mechanical vibration reliability are improved, and the harsh application requirements in the field of automotive electronics are completely met.
Owner:ZHAOQING BERYL ELECTRONICS TECH

Circulating self-cleaning type anode precision oxidation device

The utility model discloses a circulating self-cleaning type anode precision oxidation device which is characterized in that an oxidation anode is arranged on two side plates of a tank chamber of a tank body, and a liquid supply cavity partition plate and a backflow cavity pore plate are respectively and fixedly arranged at the front end and the rear end of the tank chamber of the tank body; a liquid supply cavity is defined by the liquid supply cavity partition plate and an end plate at the corresponding end of the tank body, a filter is arranged in the liquid supply cavity, and a plurality of fluid directors are mounted on the liquid supply cavity partition plate; a backflow cavity is defined by the backflow cavity pore plate and an end plate at the corresponding end of the tank body and leads to the liquid supply cavity through a circulating pipeline; and an anode scraping plate is arranged on the oxidation anode in a sliding manner. A flow guide cylinder of the flow guide device is fixedly installed in a plate hole of the liquid supply cavity partition plate, and a flow guide paddle is installed on an output shaft of the flow guide motor and located in the flow guide cylinder in a rotatable mode. The precise oxidation device not only can effectively filter out solid particle impurities in the electroplating liquid, but also can effectively reduce the flow velocity difference of the electroplating liquid on the section of the tank chamber, prevents the circulating electroplating liquid from generating vortexes and flowing dead angles, and is particularly suitable for precise anodic oxidation treatment.
Owner:WUXI QIANGXING SURFACE ENGINEERING EQUIPMENT CO LTD

Surface treatment method for sic substrates

A surface treatment method for a SiC substrate, including the following processes or steps: anodizing a workpiece surface (W1) of the SiC substrate by passing a current having a current density of 15 mA / cm 2 or more through the SiC substrate as an anode in the presence of an electrolyte (S); arranging an abrasive wheel layer (32) of a surface treatment pad (3) to face the workpiece surface, and selectively removing oxides formed on the workpiece surface by the anodizing with the abrasive wheel layer; and simultaneously or sequentially performing the anodizing of the workpiece surface and the selective removal of the oxides formed on the workpiece surface with the abrasive wheel layer.
Owner:DENSO CORP +1

Aluminum electrolysis carbon anode anti-oxidation coating and preparation method thereof

PendingCN121948982AImprove thermal stabilityHigh chemical inertnessSodium acetateAluminium electrolysis
The invention relates to the technical field of aluminum electrolysis metallurgy, in particular to an aluminum electrolysis carbon anode anti-oxidation coating and a preparation method thereof. The coating is prepared from the following raw materials in percentage by mass: 45-60% of aluminum oxide powder; 15 to 25% of water glass; 8-12% of potassium feldspar powder; 0.5 to 2% of sodium fluoride; 7-11% of sodium acetate trihydrate; 8-12% of ionized water; the preparation method comprises the following steps: S1, preparing the catalytic compact component; s2, mixing the coating; s3, coating and drying; and S4, carrying out high-temperature calcination. The product provided by the invention has good oxidation resistance, adhesive force and compactness, and the preparation method provided by the invention has the advantages of simple process and low cost.
Owner:QINGHAI UNIVERSITY +1

Method for producing hydrogen by coupling electrochemical oxidation of glycerol to production of dihydroxyacetone

PendingCN122303904ARedoxDihydroxyacetone
This invention relates to the field of hydrogen production technology, specifically to a method for producing dihydroxyacetone from glycerol via electrochemical oxidation coupled with hydrogen production. The method includes: S1 preparing a glycerol alkaline solution as the electrolyte solution, the purity of which must reach analytical grade; S2 placing the electrolyte solution prepared in S1 into an electrolytic cell, connecting the positive terminal of a power supply to the anode in the electrolytic cell, and connecting the negative terminal of the power supply to the cathode in the electrolytic cell; S3 turning on the power supply and, at a defined temperature, performing a redox reaction and a hydrogen evolution reaction to obtain dihydroxyacetone prepared by anodic oxidation, and simultaneously obtaining hydrogen gas prepared by cathode hydrogen evolution. This patent constructs a synergistic reaction system of selective anodic oxidation to dihydroxyacetone and efficient cathode hydrogen evolution by using a glycerol alkaline solution as the electrolyte solution. The glycerol alkaline solution weakens the nucleophilic attack intensity of hydroxide ions and inhibits carbon-carbon bond breaking through the in-situ protection mechanism of the glycerol carbon chain, achieving highly selective and directional synthesis of dihydroxyacetone.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER

Method for preparing 2-aryl-3-difluoromethyl benzothiophene by electrochemical reaction

The invention relates to a method for preparing 2-aryl-3-difluoromethyl benzothiophene by utilizing an electrochemical reaction. Specifically, the invention provides an electrochemical anodic oxidation cathode reduction characteristic instead of a traditional chemical oxidation reducing agent, sodium difluoromethanesulfinate is used as a difluoromethyl donor, and a difluoromethyl free radical is excited through electrochemical anodic oxidation, so that the difluoromethyl free radical is synthesized. The preparation of the target molecule 2-aryl-3-difluoromethyl benzothiophene is realized through intramolecular cyclization initiated by addition of free radicals to active alkyne. The method does not need to add an additional transition metal catalyst and a super-stoichiometric redox agent, has the advantages of mild reaction conditions, high product yield, good chemical selectivity and the like, better conforms to the purpose of green and sustainable development of the current society, and has a good industrial application prospect.
Owner:盐城锦明药业有限公司

Special jig for auxiliary cathode in chemical anodic oxidation of semiconductor

The utility model discloses a special jig for a semiconductor chemical anodizing auxiliary cathode, which belongs to the technical field of anodizing auxiliary cathode jigs, and comprises a first cathode auxiliary jig, a second cathode auxiliary jig, a third cathode auxiliary jig and a fourth cathode auxiliary jig, the second cathode auxiliary jig is suspended in the to-be-plated product, is connected with the first auxiliary cathode jig and is used for being matched with the first cathode auxiliary jig and an anode connected to the to-be-plated product to carry out electroplating treatment on the interior of the to-be-plated product; wherein the to-be-plated product comprises a first barrel, a second barrel and a through groove, the second barrel is fixedly connected into the first barrel and is communicated with the first barrel, and the through groove is formed in the bottom of the first barrel; according to the utility model, the complex inner cavity of the product to be plated can be electroplated.
Owner:HEFEI SHENGTENG SEMICON TECH CO LTD

Anode slurry, preparation method therefor, and use thereof

PCT designated stageWO2026065648A1ElectrodesPlatinumIridium
Disclosed are an anode slurry, a preparation method therefor, and a use thereof. The present invention provides a method for preparing anode slurry C, which comprises the following steps: step 1, mixing an iridium catalyst, a perfluorosulfonic acid resin dispersion, and a solvent to obtain slurry A; step 2, adding a platinum precursor to slurry A to obtain slurry B; and step 3, reacting slurry B at 50-90 °C to prepare anode slurry C. In the present invention, by means of directly adding a water-soluble platinum precursor into an anode oxidation iridium catalyst slurry, the dispersion of platinum and the hydrogen removal capability in oxygen per unit mass of platinum are significantly improved.
Owner:SHANGHAI H RAY S & T CO LTD

Method for producing hydrogen through continuous electrolysis of organic matter

The invention provides an organic matter continuous electrolysis hydrogen production method, which relates to the field of electrolysis hydrogen production, and comprises a hydrogen production system, and the hydrogen production system mainly comprises a reaction kettle, a separation assembly composed of a fine screen and an ultrafiltration membrane, an electrolytic bath and a hydrogen collection system. The process for producing hydrogen by using the system comprises the following steps: firstly, adding a strong acid solution, an oxidation reduction medium and an organic matter into a reaction kettle, heating to 50 DEG C to reflux temperature, and oxidizing and degrading the organic matter for 0.5-1.0 hour; then organic matters are continuously added through a feeding device, materials are continuously discharged through a discharging pipe, the discharged materials are separated through a fine screen and an ultrafiltration membrane, and an obtained solution is input into an electrolytic bath at a certain flow speed for electrolysis. The medium solution regenerated by anodic oxidation is continuously conveyed to the reaction kettle for recycling, and meanwhile, protons entering the cathode through the proton exchange membrane obtain electrons and release hydrogen. By adopting the system and the method to produce hydrogen, the energy consumption, the cost and the investment of hydrogen production can be remarkably reduced, the hydrogen production efficiency is improved, and the system and the method are almost suitable for organic matters.
Owner:SHENZHEN ORGANIC GREEN HYDROGEN TECH LTD

A photoelectrocatalytic system for denitrification of nitrogen-containing groundwater by cathode reduction coupled with anodic oxidation to produce hydrogen peroxide.

This invention provides a photoelectrocatalytic system for denitrifying nitrogen-containing groundwater via cathodic reduction coupled with anodic oxidation to produce hydrogen peroxide. This system can be used for the reduction and denitrification of nitrogen-containing groundwater and the oxidation of water to produce hydrogen peroxide. The electrolyte solution in the cathode chamber is nitrogen-containing groundwater from agricultural areas in Northeast China, and the electrolyte in the anode chamber is a sodium sulfate solution. After 3 hours of photoelectrocatalytic treatment, the nitrate content in the groundwater is lower than the national drinking water standard, and the hydrogen peroxide concentration in the anode chamber solution meets the disinfection requirements for medical or household environments. This device features a small footprint, modular assembly, and easy automation control. Furthermore, the process offers advantages such as low cost, no pollution, and significant treatment effect, combining water pollution control with resource utilization. It is a novel treatment method suitable for household applications.
Owner:DALIAN UNIV OF TECH

Integrally-formed carbon-free special-shaped foamed aluminum electrolytic capacitor anode

The invention discloses an integrally-formed carbon-free special-shaped foamed aluminum electrolytic capacitor anode and a preparation method thereof, and belongs to the technical field of electrolytic capacitor electrode materials. Spherical atomized pure aluminum powder is used as a base body and matched with a carbon-free pore forming agent and a carbon-free inorganic binder, a mold matched with a cavity is customized according to the installation space of target equipment, and the integrated special-shaped open-cell foamed aluminum anode with the solid welding area is prepared through layered powder laying and cold pressing forming, low-temperature curing and synchronous pore forming at the temperature of 180-250 DEG C, aftertreatment and global anodic oxidation. No carbon source is introduced in the whole process, aluminum carbide is prevented from being generated from the source, and the problems of capacitor swelling and internal resistance soaring pain points caused by carbon residues in the prior art are solved; excessive oxidation of the aluminum powder is avoided through low-temperature curing, integral forming is achieved without splicing, the device can adapt to any special-shaped installation space, and the space utilization rate is increased by 3-10 times; the effective specific surface area of the prepared anode reaches 500-800 times and is far better than that of a traditional corrosion aluminum foil, and the customized application requirement of a liquid / solid electrolytic capacitor is perfectly met.
Owner:GUANGXI QINZHOU HUAYUAN ELECTRONICS CO LTD

Sterilization device

This invention provides a sterilization device that prevents blockage between electrodes even with small electrode clearances and low applied voltages, and is suitable for personal use. [Solution] A sterilization device comprising electrodes consisting of opposing cathodes and anodes immersed in stored water, and a power supply that applies a voltage between the cathodes and anodes, which sterilizes by anodic oxidation of chloride ions contained in stored water through electrolysis of the stored water and the production of hypochlorous acid, wherein the cathodes and anodes of the electrodes are formed in a plate shape, the cathodes and anodes of the electrodes are housed in a case having a lower opening and an upper opening, and the gap between the cathodes and anodes of the electrodes is 1 to 1.5 times the thickness of the electrode plates.
Owner:FUJI BUREEDE

Secondary battery

This invention relates to a secondary battery. An embodiment of the secondary battery includes: an anode liquid electrode containing dissolved anodic redox pairs; a cathode liquid electrode containing dissolved cathodic redox pairs; an anode electrode housing for storing the anode liquid electrode; a cathode electrode housing for storing the cathode liquid electrode; and a separator disposed between the anode electrode housing and the cathode electrode housing; wherein the volume of the anode electrode housing is larger than the volume of the cathode electrode housing.
Owner:STANDARD ENERGY CO LTD

Aluminum alloy anodizing and sealing method

The application discloses an aluminum alloy anodic oxidation and sealing treatment method, comprising the following steps: S1: surface treatment of the aluminum alloy: sequentially polishing, ethanol cleaning, degreasing, first cleaning, pickling, second cleaning; S2: anodic oxidation: immersing the surface-treated aluminum alloy in an electrolyte as an anode, and graphite as a cathode, and taking out for third cleaning after the reaction; S3: sealing: sealing treatment with a double-hydroxide composite solution, and taking out for fourth cleaning after the treatment; S4: hydrophobic treatment: filling pores with chitosan sol grafting low-surface-energy polymers, and fifth cleaning; the electrolyte is one or more of sulfuric acid, phosphoric acid and oxalic acid; the low-surface-energy polymer is palmitic acid and / or fluorine-containing silane. The oxidation layer is formed on the surface of the aluminum alloy through anodic oxidation, the double-hydroxide composite layer and the hydrophobic layer are formed through sealing, the corrosion resistance and wear resistance are improved, the service life is prolonged, and the application scenarios are expanded.
Owner:JIANGSU YIHE ALLOY TECH CO LTD

Preparation of nickel-based electrode and method for electrocatalytic oxidation of 5-hydroxymethylfurfural by using nickel-based electrode

The invention relates to a preparation method of a nickel-based electrode and a method for electrocatalytic oxidation of 5-hydroxymethylfurfural (HMF) by using the nickel-based electrode. The nickel-based electrode comprises a substrate material and a catalyst layer, and the catalyst layer is nickel hydroxide in different forms or chromium-doped nickel hydroxide. According to the chromium-doped nickel hydroxide electrode, the catalytic performance of electrooxidation of HMF into 2, 5-furandimethyl (FDCA) can be greatly improved. Taking the nickel-based electrode as an anodic oxidation electrode, taking metal platinum as a cathode electrode, respectively filling two sides of a double-chamber electrolytic cell separated by an ion exchange membrane, adding an alkaline electrolyte into two sides of the electrolytic cell, and adding an HMF solution into the anode side; the electrocatalytic oxidation method is carried out in the electrolytic cell under a certain voltage, the anode is subjected to an HMF electrooxidation reaction and is converted into FDCA, and the cathode is subjected to an electrolytic water hydrogen evolution reaction. The nickel-based catalyst can efficiently electro-catalyze HMF to be oxidized into FDCA, meanwhile, the electrolytic water hydrogen evolution reaction is coupled, and the nickel-based catalyst has excellent catalytic efficiency and stability.
Owner:GUANGXI UNIV FOR NATITIES

Electrochemical n-n oxidative coupling of hydrogen production and testing method

The application discloses a kind of electrochemical N-N oxidative coupling bipolar hydrogen production and test method, belong to water electrolysis hydrogen production technical field.The method disclosed in the application uses alkali liquor containing amino compound substrate as anode electrolyte, pure alkali liquor as cathode electrolyte, replaces high-energy barrier OER with the amino N-N oxidative dehydrogenation coupling reaction of amino compound substrate with low thermodynamic potential, and is coupled with HER to construct a new low-energy consumption hydrogen production mixed water electrolysis system, realizes low-energy consumption hydrogen production in cathode, and solves the problem that existing anode oxidation product is difficult to match the demand of large-scale hydrogen production in cathode by directly combining to form hydrogen through the dehydrogenation of-NH2 in anode amino compound substrate.
Owner:NORTHWEST UNIV

Titanium-based platinum-nickel electrode materials, preparation methods, and applications thereof

PendingUS20260250867A1CapacitanceElectrolytic agent
The present disclosure relates to the technical field of electrode materials and provides a titanium-based platinum-nickel electrode material, a preparation method, and an application thereof. The method includes: performing a first anodic oxidation and a second anodic oxidation sequentially on a titanium sheet in an ammonium fluoride solution to obtain an oxidized titanium sheet; performing calcination on the oxidized titanium sheet to obtain a titanium sheet containing a titanium dioxide layer; and performing electrodeposition on the titanium sheet containing the titanium dioxide layer in a platinum-based electrolyte to obtain the titanium-based platinum-nickel electrode material. The prepared titanium-based platinum-nickel electrode material effectively reduces the usage amount of Pt-based precious metals and can maintain high activity and stability to generate hydrogen peroxide on-line under the neutral condition; its cathode current density efficiency reaches 76.40%, the anode current density efficiency reaches 70.23%, and the bilayer capacitance value is 1.33 mF·cm−2, which is 4.2 times the bilayer capacitance value of the titanium-based platinum-nickel electrode material obtained without anodic oxidation, and has a very good industrial application prospect.
Owner:ZHEJIANG YIPAI TECHNOLOGY CO LTD

Solid electrolytic capacitor

A solid electrolytic capacitor containing a porous anode and a solid electrolyte is provided. The porous anode is formed from a sintered valve metal powder that is anodically oxidized to form a dielectric layer thereon having a dielectric thickness of about 70 nm or more, wherein the porous anode has a pore size distribution in which the pores have a size of from about 165 to about 270 nm at a pore volume corresponding to at least 80% of the total pore volume and exhibits a volumetric wet capacitance of about 3,900 µF / cm3 or more. The solid electrolyte contains conductive polymer particles that are disposed within the pores of the porous anode. Further, the solid electrolytic capacitor exhibits a dielectric strength of about 0.6 V / nm or more.
Owner:KYOCERA AVX COMPONENTS CORP

Electrolysis process, electrolytic cell and device

The invention relates to an electrolysis process for carbon dioxide extraction, which comprises the following steps: a, carrying out anodic oxidation on hydrogen in an electrolytic bath to obtain an acidic oxidation product; b, reacting the acidic oxidation product with an aqueous electrolyte solution in the electrolytic bath to obtain an acidic aqueous solution; c, performing cathode reduction on the water in the electrolytic bath to obtain an alkaline aqueous solution and hydrogen; d. Reacting the alkaline aqueous solution with a gas containing carbon dioxide, in particular air, outside the electrolysis cell to obtain a carbonate-containing aqueous solution; and e, reacting the carbonate-containing alkaline aqueous solution with the acidic aqueous solution outside the electrolytic bath to obtain the dissolved carbon dioxide gas.
Owner:PHLAIR GMBH

A photocatalytic material for degrading PFOA and a preparation method thereof

The present application relates to the technical field of photocatalytic degradation materials, in particular to a photocatalytic material for degrading PFOA and a preparation method thereof. The present application uses titanium foil as a TiO2 NT template in an electrochemical reactor with a direct current power supply, uses the titanium foil as an anode and graphite as a cathode, obtains highly ordered and vertically arranged TiO2 NTs after anodic oxidation, and modifies the TiO2 NTs through MIP. The molecular imprinting technology can enable the photocatalyst to selectively identify and combine with target molecules with high affinity. The doping of metal iron ions can introduce new energy levels in the band gap of the semiconductor TiO2, thereby enhancing the visible light absorption capacity of TiO2 by adjusting the band gap. Not only can the visible light absorption capacity of TiO2 be enhanced, but also the adsorption capacity of the target pollutant PFOA can be improved, thereby promoting the efficient degradation of PFOA.
Owner:DONGGUAN UNIV OF TECH

Casing anode for petroleum pipeline

The utility model discloses a casing anode for a petroleum pipeline, and relates to the technical field of petroleum pipelines, in particular to the casing anode for the petroleum pipeline, which comprises a casing body, a semi-ring anodic oxidation plate and a cavity connecting block, a T-shaped positioning block is mounted at the top of the semi-ring anodic oxidation plate, and a semi-ring sealing block is mounted at the bottom of the semi-ring anodic oxidation plate. A strip-shaped sealing block and a clamping block are installed on one side face of the semi-ring anodic oxidation plate, and an L-shaped cavity positioning block is installed on the outer surface of the semi-ring anodic oxidation plate. The casing pipe anode for the petroleum pipeline has the effect of facilitating splicing connection among the multiple semi-ring anode oxidation plates, the multiple anode oxidation plates are buckled with one another and enclasped on the casing pipe, corrosion prevention of the casing pipe is achieved through sacrificial anode oxidation plates, and through cooperation of the T-shaped positioning blocks and the clamping blocks, the casing pipe anode is convenient to assemble and disassemble, and the service life of the casing pipe is prolonged. And the multiple semi-ring anodic oxidation plates can be conveniently spliced and connected, and the purpose of improving the practicability is achieved.
Owner:ZHONGKE ZHICHUANG ENG TECH CO LTD

Non-contact carbon fiber anodic oxidation surface treatment system and method

The invention belongs to the technical field of carbon fiber manufacturing, and particularly relates to a non-contact carbon fiber anodic oxidation surface treatment system and method.The non-contact carbon fiber anodic oxidation surface treatment system comprises an electrolysis unit, the electrolysis unit comprises an electrolysis bath, the two sides of the upper end of the electrolysis bath are each provided with an anode bath, and an electrolyte solution is arranged in each anode bath; the two anode tanks are both sleeved with liquid receiving tanks, the two anode tanks are connected and conducted with the positive electrode of a direct-current power source, two first guide rollers are arranged on the upper portion in the electrolytic tank, a porous partition plate is arranged at the lower ends of the two first guide rollers, and a cathode plate is arranged at the lower end of the porous partition plate. According to the carbon fiber filament surface treatment device, the anode tanks are arranged, and a non-contact anode conduction mode is adopted, so that the problems that broken filaments are generated on the surfaces of carbon fiber filaments and oxidation is not uniform are effectively avoided, and the stability of carbon fiber filament surface treatment is guaranteed.
Owner:INST OF COAL CHEM CHINESE ACAD OF SCI