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Catalysts 2015, 5(2), 747-758; doi:10.3390/catal5020747

A Facile Synthesis of Hollow Palladium/Copper Alloy Nanocubes Supported on N-Doped Graphene for Ethanol Electrooxidation Catalyst

1
School of Chemistry and Chemical Engineering, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Fine Chemicals Green Manufacturing, Henan Normal University, Xinxiang 453007, China
2
Department of Chemical & Biochemical Engineering, University of British Columbia, Vancouver, B.C. V6T 1W5, Canada
*
Author to whom correspondence should be addressed.
Academic Editor: Minhua Shao
Received: 28 February 2015 / Revised: 1 April 2015 / Accepted: 16 April 2015 / Published: 23 April 2015
(This article belongs to the Special Issue Electrocatalysis in Fuel Cells)
View Full-Text   |   Download PDF [1231 KB, uploaded 23 April 2015]   |  

Abstract

In this paper, a catalyst of hollow PdCu alloy nanocubes supported on nitrogen-doped graphene support (H-PdCu/ppy-NG) is successfully synthesized using a simple one-pot template-free method. Two other catalyst materials such as solid PdCu alloy particles supported on this same nitrogen-doped graphene support (PdCu/ppy-NG) and hollow PdCu alloy nanocubes supported on the reduced graphene oxide support (H-PdCu/RGO) are also prepared using the similar synthesis conditions for comparison. It is found that, among these three catalyst materials, H-PdCu/ppy-NG gives the highest electrochemical active area and both the most uniformity and dispersibility of H-PdCu particles. Electrochemical tests show that the H-PdCu/ppy-NG catalyst can give the best electrocatalytic activity and stability towards the ethanol electrooxidation when compared to other two catalysts. Therefore, H-PdCu/ppy-NG should be a promising catalyst candidate for anodic ethanol oxidation in direct ethanol fuel cells. View Full-Text
Keywords: PdCu alloy nanocubes; N-doped graphene; ethanol oxidation; direct ethanol fuel cells PdCu alloy nanocubes; N-doped graphene; ethanol oxidation; direct ethanol fuel cells
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Bai, Z.; Huang, R.; Niu, L.; Zhang, Q.; Yang, L.; Zhang, J. A Facile Synthesis of Hollow Palladium/Copper Alloy Nanocubes Supported on N-Doped Graphene for Ethanol Electrooxidation Catalyst. Catalysts 2015, 5, 747-758.

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