2009•Journal of Guangxi Normal UniversityRequires access

Electrocatalytic Oxidation of Ethanol on Pt/PMo_(12)-CNTs/Graphite Electrode

Yan-Yi Chen

Abstract

CNTs and H7PMo12O42 were applied to the modification of graphite electrode,and Pt particles were electrochemically deposited on H7PMo12O42-modified CNTs/graphite electrode(viz.PMo12-CNTs/graphite electrode) by cyclic voltammetry(CV),then Pt/PMo12-CNTs/graphite electrode was obtained.The structure of modified CNTs and the morphology of electrodes were characterized by Fourier transform infrared spectroscopy(FT-IR) and scanning electron microscopy(SEM) respectively.And the catalytic activity of Pt/PMo12-CNTs/graphite electrode toward ethanol electrooxidation was investigated by cyclic voltammetry(CV) and chronoamperometry(CA).With the equivalent loading mass of Pt catalyst,Pt/PMo12-CNTs/graphite electrode exhibit better electrocatalytic activity and long-term stability than Pt/CNTs/graphite electrode.PMo12-modified CNTs is the promising catalyst support for ethanol electrooxidation.

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Key concepts: Cyclic voltammetry, Chronoamperometry, Graphite, Electrode, Materials science, Fourier transform infrared spectroscopy, Chemical engineering, Catalysis