▎ 摘　　要

NOVELTY - Preparation of reactive electrochemical anode film includes sequentially adding graphene oxide, tin dioxide nanoparticles and organic polymer in organic solvent, blending to prepare casting liquid, taking polyacrylonitrile carbon fiber cloth as substrate, uniformly coating casting liquid layer on polyacrylonitrile carbon fiber cloth surface, standing, placing in ethanol/water solution, conducting phase conversion to form a film, immersing the obtained film in reducing agent water solution, taking out the film, placing in tap water, soaking and removing residual reducing agent. USE - Preparation of reactive electrochemical anode film used for water treatment. ADVANTAGE - The reactive electrochemical anode film has good electrical conductivity and electrochemical catalytic oxidation function. DETAILED DESCRIPTION - Preparation of reactive electrochemical anode film comprises preparing tin dioxide nanoparticle by preparing 0.05-0.5 mol/L citric acid aqueous solution, regulating pH at 7.0 using monoethanolamine, obtaining acid-base complex system, according to stannous oxalate and citric acid mol ratio of 1:1, adding stannous oxalate to acid-base complex system, stirring, clarifying until precipitate disappears, dropwise adding monoethanolamine to regulate pH at 6.7, stirring for 2 hours, forming transparent and stable tin sol, according to antimony (Sb)/tin (Sn) ratio of 4.0-6.5 at.%, dissolving antimony trichloride in anhydrous ethanol solution, obtaining antimony trichloride ethanol solution, where volume ratio of anhydrous ethanol and acid-base complex system is 2/3, according to 1:1 volume ratio, uniformly mixing antimony trichloride ethanol solution and transparent and stable tin sol-gel, forming antimony-doped tin sol, adding graphene oxide aqueous solution according to 10 g graphene oxide/mol tin ions, conducting hydrothermal reaction at 160 degrees C for 2 hours, generating black flocculent precipitates, vacuum suction filtering, freeze drying for 12 hours, calcining at 450-600 degrees C for 2 hours, grinding, and obtaining blue-gray tin dioxide nanoparticles, sequentially adding graphene oxide, tin dioxide nanoparticles and organic polymer in organic solvent, blending to prepare casting liquid, where mass of organic polymer is 9-15 mass% based on the total mass of organic polymer and organic solvent, the mass of tin dioxide nanoparticles is 3-10 mass% based on the total mass of organic polymer, and the mass of graphene oxide is 1-5 mass% based on the mass of organic polymer, taking polyacrylonitrile carbon fiber cloth as substrate, uniformly coating casting liquid layer having a thickness of 150-300 mu m on polyacrylonitrile carbon fiber cloth surface, standing for 20 seconds, placing in ethanol/water (1:4 volume ratio) solution, conducting phase conversion to form a film, immersing the obtained film in reducing agent water solution, taking out the film, placing in tap water, soaking for 12 hours, removing residual reducing agent, obtaining reactive electrochemical anode film, soaking in tap water and storing.