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Effects of Microwavesynthesizing Parameters on Structure and Electrocatalytic Activity of Pt2Mo/C towards Methanol Oxidation

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Author(s): ZENG Xin,YUAN Xian-Xia,XIA Xiao-Yun,DU Juan,ZHANG Hui-Juan,MA Zi-Feng

Journal: Journal of Inorganic Materials
ISSN 1000-324X

Volume: 25;
Issue: 4;
Start page: 359;
Date: 2010;
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Keywords: microwavesynthesizing parameters; Pt2Mo/C catalyst; methanol oxidation

ABSTRACT
Pt2Mo/C was prepared by microwavesynthesis to improve the catalytic performance of Ptbased catalysts towards methanol xidation. Effects of reaction and sonicating time on the crystal structure, micromorphology and electrocatalytic activity of Pt2Mo/C were systematically investigated. The results show that the crystal structure of Pt2Mo/C is mainly determined by the reaction time while the sonicating time has little influence on it. The micromorphology of Pt2Mo/C is determined by oth the reaction and sonicating time. The influencing sequences of reaction and sonicating time on electrocatalytic activity of Pt2Mo/C are 10min>15min>20min >5min and 60min>100min>30min>0min, respectively. The optimized parameters of preparing Pt2Mo/C owing best catalytic activity towards methanol electrooxidation are 10min of reaction time and 60min of sonicating time.

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