Ti / SnO2 – Sb Electrodes for Pollutant Degradation Prepared Using Ultrasonic Spray Pyrolysis

Antimony-doped tin oxide Ti/SnO 2 -Sb films were successfully deposited on Ti substrates by ultrasonic spray pyrolysis at 600°C. The physicochemical and electrochemical properties as well as the electrocatalytic activity of Ti/SnO 2 -Sb electrodes were investigated. It was found that the Ti/SnO 2 -Sb electrodes prepared had compact microstructure, high overpotential for O 2 evolution, and superior activity for pollutant degradation. Over 95% chemical oxygen demand removal was achieved for degradation of phenol, with current efficiency of 53% obtained.