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Citation: CHEN Sheng-Zhou, LIN Wei-Ming, DONG Xin-Fa. Preparation and Characteristics of Carbon-supported PtRuMo Electrocatalyst for DMFC[J]. Chinese Journal of Applied Chemistry, ;2006, 23(9): 1032-1036. shu

Preparation and Characteristics of Carbon-supported PtRuMo Electrocatalyst for DMFC

1.
a School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006;
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b School of Chemical and Energy Engineering, South China University of Technology, Guangdong

Corresponding author: CHEN Sheng-Zhou,
Received Date: 15 October 2005
Available Online: 2 March 2006
Fund Project: 广州市科技局计划项目(2005J1-C0361) (2005J1-C0361)广州市教育局重点项目(2052) (2052)

XRD,XPS,EDS and electrochemical methods were used to characterize the physical and chemical properties of the carbon-supported PtRuMo catalyst prepared by the liquid-phase reduction method.It was found that there were crystalline face-centered cubic phases in the Pt/C,PtRu/C,PtRuMo/C catalysts,and PtRu alloy and MoOx species in catalyst PtRuMo/C.The particle size of the catalyst PtRuMo/C powder was about 7 nm determined by means of XRD.Membrane-electrode assemblies with the home-made anode(PtRuMo/C) and cathode(Pt/C) catalysts were manufactured and tested in DMFC.The results show that the PtRuMo/C catalyst has a good electrocatalytic activity,and a high proton conductivity in the active catalyst layer.
- DMFC,
- electrocatalyst,
- methanol elctro-oxidation
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