Journal
JOURNAL OF SOLID STATE ELECTROCHEMISTRY
Volume 16, Issue 3, Pages 1049-1054Publisher
SPRINGER
DOI: 10.1007/s10008-011-1485-6
Keywords
Electrocatalysts; Fuel cells; Methanol oxidation; Low platinum; Galvanic displacement reaction
Categories
Funding
- State Natural Science Foundation of China [20774074]
- Ministry of Education Foundation of China [209129]
- northwest normal university [nwnu-kjcxgc-03-63]
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Carbon-supported platinum-decorated nickel nanoparticles (denoted as Pt-Ni/C) with intimate contact of Pt and Ni are prepared by a galvanic displacement reaction between Ni/C nanoparticles and PtCl (6) (2-) in aqueous solution. It demonstrates a higher mass activity and stability to methanol oxidation reaction than conventional Pt/C and PtRu/C catalysts by a rotating disk electrode in acid solution, which could be attributed to the modified electronic structure of the Pt-Ni/C nanoparticles.
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