Effect of surface composition of Pt-Au a
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J.B. Xu; T.S. Zhao; W.W. Yang; S.Y. Shen
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Article
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2010
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Elsevier Science
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English
โ 585 KB
A pure Pt cathode catalyst in direct methanol fuel cells is not only favored for oxygen reduction but also for the unwanted oxidation of methanol that permeates from the anode. Based on the idea that alloying another metal can alter the surface structure of Pt and hence reduce the active sites for