Ti/SnO2-Sb2Ox-TiO2 Electrodeposited from Methanesulfonate Electrolytes: Preparation, Properties, and Performance
In this study, Ti/SnO2-Sb2Ox-TiO2electrodes were produced using a sol-enhanced electrodeposition technique from methanesulfonate electrolytes. The surface microstructures of Ti/SnO2-Sb2Ox-TiO2were observed, and their phase constituents were determined. The surface features were analyzed by X-ray photoelectron spectroscopy. Linear sweep voltammetry and degradation tests were also conducted to determine the degradation performance. The results show that the addition of TiO2sol affects the microstructures of Ti/SnO2-Sb2Ox-TiO2electrodes, while a uniform coating surface can be obtained at a proper sol concentration in electrolytes. Adding TiO2sol also causes deep oxidation of Sb and generates more adsorbed oxygen on the electrode surface. The favorable surface features and the well-dispersed TiO2in the coatings of 10 mL/L TiO2modified Ti/SnO2-Sb2Ox-TiO2electrodes award them the best electrocatalytic performance, and their uniform coating surface prolongs the electrode service life.Keywords:SnO2-Sb2Ox;sol-enhanced electrodeposition;organic degradation
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