Ethanol Electrocatalytic Oxidation on Highly Dispersed
PtTiO₂/C Catalysts¹

Bing Wu^{a, b}, Ruihai Cui^c, Ying Gao^b, and Zhaohua Jiang^a,z

^a Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150001, PR China

^b Department of Chemistry, Harbin Normal University, Harbin 150080, PR China

^c Department of Chemistry, Harbin University, Harbin, 150080, P. R. China

e-mail: jiangzhaohua_hit@163.com

Received May 14, 2007

Abstract—Carbon supported Pt–TiO₂ (Pt–TiO₂/C) catalysts were prepared with colloidal and chemical reduc-
tion method on different conditions and used for ethanol electrooxidation in acidic solution. The size of TiO₂
and Pt crystal varied on the catalysts prepared by different methods and the Electrochemical specific surface
area (ESA) also showed different on these catalysts. The catalytic activity on these carbon supported Pt–TiO₂
catalysts showed some different behaviors.

Key words: titanium dioxide, direct alcohol fuel cell, ethanol electrooxidation, electrocatalytic, adsorbed CO

DOI: 10.1134/S1023193509070039

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