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Preparation of Low Loading Pt/C Catalyst by Carbon Xerogel Method for Ethanol Electrooxidation

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Abstract

Low platium loading Pt/C catalyst was prepared by direct Pt-embedded carbon xerogel method. The Pt content of the as-prepared Pt/C is about 4.32 wt% and has a typical polycrystalline phase. Textural and structural characteristics of the catalysts were characterized by XRD, EDS and BET. Pt-embedded in carbon xerogel increases the specific surface area and pore volume of the X-Pt/C during carbon gelation and the carbonization process. Electrochemical characteristics of the catalysts for ethanol electrooxidation were measured. The results indicated that the as-prepared 4.32 wt% Pt/C has higher mass current density in ethanol electrooxidation as compared to the 20 wt% Pt/C. This may be due to the high roughness of the Pt surface that is formed during the carbon gelation and carbonization process.

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Acknowledgments

The authors are grateful for the financial support of this work by the National Science Foundation of China (20476055, 20060248064), the Science & Technology Commission of Shanghai Municipality (06SN07115, 065211020), and the Sino-Australian Special Foundation of Science and Technology (20710082).

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Authors and Affiliations

  1. Department of Chemical Engineering, Shanghai Jiaotong University, Shanghai, 200240, P.R. China

    Dong-Yun Zhang & Zi-Feng Ma

  2. ARC Centre of Excellence for Electromaterials Science, University of Wollongong, Wollongong, NSW, 2522, Australia

    Guoxiu Wang, Jun Chen, Gorden C. Wallace & Hua-Kun Liu

  3. ISEM, University of Wollongong, Wollongong, NSW, 2522, Australia

    Guoxiu Wang & Hua-Kun Liu

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  1. Dong-Yun Zhang
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  2. Zi-Feng Ma
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  4. Jun Chen
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  6. Hua-Kun Liu
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Correspondence to Zi-Feng Ma.

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Zhang, DY., Ma, ZF., Wang, G. et al. Preparation of Low Loading Pt/C Catalyst by Carbon Xerogel Method for Ethanol Electrooxidation. Catal Lett 122, 111–114 (2008). https://doi.org/10.1007/s10562-007-9354-8

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  • DOI: https://doi.org/10.1007/s10562-007-9354-8

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