Electrochemical behavior of Pt–Co(111), (100) and (110) alloy single-crystal electrodes in 0.1 M HClO4 and 0.05 M H2SO4 solution as a function of Co content

Mitsuru Wakisaka,Shoya Morishima,Yohei Hyuga,Hiroyuki Uchida,Masahiro Watanabe

doi:10.1016/j.elecom.2012.02.008

Electrochemical behavior of Pt–Co(111), (100) and (110) alloy single-crystal electrodes in 0.1 M HClO4 and 0.05 M H2SO4 solution as a function of Co content

Mitsuru Wakisaka, Shoya Morishima + Show 3 more

https://doi.org/10.1016/j.elecom.2012.02.008

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Journal: Electrochemistry Communications	Publication Date: Jan 1, 2012
Citations: 22

Affiliation: University of Yamanashi, Takeda (Japan)

#Electrochemical Behavior Of Pt #Underpotential Deposition Of Hydrogen + Show 8 more

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Abstract

We investigated the electrochemical behavior of Pt–Co(111), (100) and (110) alloy single-crystal electrodes in 0.1M HClO4 and 0.05M H2SO4 solutions as a function of Co composition. Successive changes of cyclic voltammograms at the Pt–Co single-crystal electrodes with increasing Co content revealed alloying effects on the underpotential deposition of hydrogen and the surface oxidation process, with a strong dependence on crystal plane and electrolyte.

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