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Stability Enhancement of Pd Catalysts by Compositing with Polypyrrole Layer for Polymer Electrolyte Fuel Cell Electrodes

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Abstract

Pd catalyst composited with a conducting polymer of polypyrrole is prepared and investigated as a stable H2 electrooxidation catalyst in an acidic condition. A significant stability enhancement of Pd by compositing electropolymerized polypyrrole can be observed and its mechanistic scheme for the stability is discussed through several electrochemical and physicochemical characterizations on the polypyrrole-composited Pd catalysts.

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Acknowledgements

We acknowledge financial supports from the Korea Research Foundation (KRF-2007-313-D00148) and the Korea Science and Engineering Foundation through NCRC program (No. R15-2008-006-03002-0), and the Program for New & Renewable Energy R&D program (20093020030020-11-1-000).

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), 261 Cheomdan-gwagiro, Gwangju, 500-712, South Korea

    Min Ho Seo, Eun Ja Lim, Sung Mook Choi, Hyung Ju Kim & Won Bae Kim

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  1. Min Ho Seo
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  2. Eun Ja Lim
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  3. Sung Mook Choi
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  4. Hyung Ju Kim
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  5. Won Bae Kim
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Correspondence to Won Bae Kim.

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Seo, M.H., Lim, E.J., Choi, S.M. et al. Stability Enhancement of Pd Catalysts by Compositing with Polypyrrole Layer for Polymer Electrolyte Fuel Cell Electrodes. Top Catal 53, 678–685 (2010). https://doi.org/10.1007/s11244-010-9505-9

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  • DOI: https://doi.org/10.1007/s11244-010-9505-9

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