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Electrocatalytic Activity of Carbon Nanotube-Supported Pt–Cr–Co Tri-Metallic Nanoparticles for Methanol and Ethanol Oxidations

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Abstract

In this work, platinum (Pt), Pt–Cr, Pt–Co, and Pt–Cr–Co nanoparticles were synthesized on single-walled carbon nanotubes, and their effects on electrocatalytic activity for methanol and ethanol oxidations were investigated using cyclic voltammetry and electrochemical impedance spectroscopy. In comparison to Pt, Pt–Cr, and Pt–Co, Pt–Cr–Co nanoparticles demonstrate better catalytic characteristics for methanol and ethanol oxidations, such as forward peak current density, resistance to carbon monoxide poisoning, peak potential for oxidation, and charge transfer resistance. This study indicates that Pt-trimetallic nanoparticles could be desirable catalyst candidates for both direct methanol and ethanol fuel cells.

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Acknowledgments

This work was financially supported by the Taishan Scholar Overseas Distinguished Professorship program from the Shandong Province Government, P. R. China. L. F. Dong also acknowledges financial support by the American Chemical Society Petroleum Research Fund (47532-GB10) and the Cottrell College Science Award from Research Corporation for Science Advancement.

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Authors and Affiliations

  1. College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266042, People’s Republic of China

    Hongzhou Dong & Lifeng Dong

  2. Department of Physics, Astronomy, and Materials Science, Missouri State University, Springfield, MO, 65897, USA

    Lifeng Dong

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  1. Hongzhou Dong
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  2. Lifeng Dong
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Correspondence to Lifeng Dong.

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Dong, H., Dong, L. Electrocatalytic Activity of Carbon Nanotube-Supported Pt–Cr–Co Tri-Metallic Nanoparticles for Methanol and Ethanol Oxidations. J Inorg Organomet Polym 21, 754–757 (2011). https://doi.org/10.1007/s10904-011-9526-2

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  • DOI: https://doi.org/10.1007/s10904-011-9526-2

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