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Citation: CHEN Sheng-Zhou, DONG Xin-Fa, ZHONG Wen-Jian, LIN Wei-Ming. Prepration of Carbon-Supported PtRuMo Catalysts and the Activity for the Electrooxidation of Methanol[J]. Chinese Journal of Applied Chemistry, ;2004, 21(6): 633-636. shu

Prepration of Carbon-Supported PtRuMo Catalysts and the Activity for the Electrooxidation of Methanol

1.
School of Chemical Engineering, South China University of Science and Technology, Guangzhou 510640

Corresponding author: CHEN Sheng-Zhou,
Received Date: 20 July 2003
Available Online: 30 December 2003

The electrooxidation of methanol on a carbon-supported PtRuMo catalysts prepared by liquid-phase NaBH₄ reduction method has been investigated. The stripping current of saturated-adsorption CO is defined as normalization activity toward methanol oxidation. The effects of methanol concentration and temperature on the catalytic activity in a half-cell containing sulfuric acid electrolyte was studied. The optimal molar ratio of Pt to Ru to Mo was found to be 1:0.5:1. The catalyst had high activity at ambient temperature and its activity increased with the increase of temperature. The optimal methanol concentration was 1.0~2.0 mol/L at ambient temperature.
- anodic methanol oxidation,
- electrocatalyst,
- PtRuMo catalyst
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