Stability Enhancement of Pd Catalysts by Compositing with Polypyrrole Layer for Polymer Electrolyte Fuel Cell Electrodes |
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| Authors: | Min Ho Seo Eun Ja Lim Sung Mook Choi Hyung Ju Kim Won Bae Kim |
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| Affiliation: | 1. Department of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), 261 Cheomdan-gwagiro, Gwangju, 500-712, South Korea
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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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