Performance of sputter-deposited platinum cathodes with Nafion and carbon loading for direct methanol fuel cells |
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| Authors: | Koji Makino Kazuyoshi FurukawaKeiichi Okajima Masao Sudoh |
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| Affiliation: | Department of Materials Science and Chemical Engineering, Shizuoka University, Johoku 3-5-1, Hamamatsu 432-8561, Japan |
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| Abstract: | One of the difficulties for a direct methanol fuel cell (DMFC) is low catalyst utilization efficiency because a certain amount of Pt loading is inactive as the catalyst. Sputter-deposited Pt electrodes are expected to improve mass activities for oxygen reduction reaction (ORR) compared with those prepared by a conventional method. Meanwhile, mass activities of sputter-deposited Pt cathodes for the ORR decreased with an increase in amount of Pt loading. In this study, the loading of protonic and electronic conductors to improve mass activities of sputter-deposited Pt electrode were investigated as cathodes for DMFCs. |
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| Keywords: | Direct methanol fuel cell Sputter-deposition Mass activities |
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