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Citation: ZONG Ye, WANG Yu, LIN Chang-Jian. Preparation and Characterization of a High Loading Nano PtRu/C Catalysts in DMFC[J]. Acta Physico-Chimica Sinica, ;2006, 22(11): 1305-1309. doi: 10.3866/PKU.WHXB20061101 shu

Preparation and Characterization of a High Loading Nano PtRu/C Catalysts in DMFC

1.
State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China

Received Date: 10 March 2006
Available Online: 6 November 2006

An improved preparation method for carbon supported PtRu catalysts has been developed, by reduction of Pt(IV) and Ru(III), using SDS as stabilizer in ethylene glycol (EG) solution. The results indicate that high loading and high dispersion of PtRu/C catalysts, with the average particle size 2.7 nm, can be obtained by this technique. The morphology, structure, and electrochemical activity of the prepared electrodes have been analyzed by TEM, XRD, and cyclic voltammeter (CV). Compared with the PtRu/C catalysts prepared in traditional EGl solution, the as prepared nano PtRu/C catalysts possess a higher catalytic activity and a better tolerance capacity to CO in direct methanol fuel cell (DMFC).
- PtRu catalysts;Carbon black;Ethylene glycol;SDS;Electro-catalysis
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