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A dendritic core–shell Cu@PtCu alloy electrocatalyst resulting in an enhanced electron transfer ability and boosted surface active sites for an improved methanol oxidation reaction

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Abstract

We reported the design of a core–shell Cu@PtCu electrocatalyst consisting of dendritic PtCu alloy branches assembling on Cu core nanocrystals. The Cu@PtCu electrocatalyst shows superior electrocatalytic performance toward a methanol oxidation reaction. Its specific activity and mass activity can reach 3.56 mA cm−2 and 1568 mA mgPt−1, which are 4.8 and 7.1 times higher than those of a commercial 20% Pt/C catalyst.

Graphical abstract: A dendritic core–shell Cu@PtCu alloy electrocatalyst resulting in an enhanced electron transfer ability and boosted surface active sites for an improved methanol oxidation reaction

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Publication details

The article was received on 28 Feb 2017, accepted on 02 May 2017 and first published on 02 May 2017


Article type: Communication
DOI: 10.1039/C7CC01559C
Citation: Chem. Commun., 2017, Advance Article
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    A dendritic core–shell Cu@PtCu alloy electrocatalyst resulting in an enhanced electron transfer ability and boosted surface active sites for an improved methanol oxidation reaction

    J. Liu, G. Xu, B. Liu and J. Zhang, Chem. Commun., 2017, Advance Article , DOI: 10.1039/C7CC01559C

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