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Catalysts 2017, 7(7), 208; doi:10.3390/catal7070208

Newly Designed Ternary Metallic PtPdBi Hollow Catalyst with High Performance for Methanol and Ethanol Oxidation

College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
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Academic Editor: Luísa Margarida Martins
Received: 13 June 2017 / Revised: 2 July 2017 / Accepted: 6 July 2017 / Published: 10 July 2017
(This article belongs to the Special Issue Advances in Electrocatalysis)
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Abstract

This paper reported the fabrication of ternary metallic PtPdBi hollow nanocatalyst through a facile, one-pot, wet-chemical method by adopting sodium borohydride and polyvinylpyrrolidone as reducing agent and surfactant directing agent, respectively. The hollow structure offers novel morphology and large surface areas, which are conducive to enhancing the electrocatalytic activity. The electrocatalytic properties of hollow PtPdBi nanocatalyst were investigated systematically in alkaline media through cyclic voltammetry and the as-prepared PtPdBi nanocatalyst displays greatly enhanced electrocatalytic activities towards methanol and ethanol oxidation. The calculated mass activities of PtPdBi electrocatalyst are 2.133 A mgPtPd−1 for methanol oxidation reaction and 5.256 A mgPtPd−1 for ethanol oxidation reaction, which are much better than that of commercial Pt/C and commercial Pd/C. The as-prepared hollow nanocatalyst may be a potential promising electrocatalyst in fuel cells and also may be extended to the applications of other desirable functions. View Full-Text
Keywords: PtPdBi nanocatalyst; hollow structure; electrocatalytic activity; fuel cell PtPdBi nanocatalyst; hollow structure; electrocatalytic activity; fuel cell
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MDPI and ACS Style

Xiong, Z.; Li, S.; Xu, H.; Zhang, K.; Yan, B.; Du, Y. Newly Designed Ternary Metallic PtPdBi Hollow Catalyst with High Performance for Methanol and Ethanol Oxidation. Catalysts 2017, 7, 208.

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