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Sophisticated construction of binary PdPb alloy nanocubes as robust electrocatalysts toward ethylene glycol and glycerol oxidation.

Xu, Hui; Song, Pingping; Fernandez, Carlos; Wang, Jin; Zhu, Mingshan; Shiraishi, Yukihide; Du, Yukou

Authors

Hui Xu

Pingping Song

Carlos Fernandez

Jin Wang

Mingshan Zhu

Yukihide Shiraishi

Yukou Du



Abstract

The design of nanocatalysts by controlling pore size and particle characteristics is crucial to enhance the selectivity and activity of the catalysts. Thus, we have successfully demonstrated the synthesis of binary PdPb alloy nanocubes (PdPb NCs) by controlling pore size and particle characteristics. In addition, the as-obtained binary PdPb NCs exhibited superior electrocatalytic activity of 4.06 A mg-1 and 16.8 mA cm-2 towards ethylene glycol oxidation reaction (EGOR) and 2.22 A mg-1 and 9.2 mA cm-2 towards glycerol oxidation reaction (GOR) when compared to the commercial Pd/C. These astonishing characteristics are attributed to the attractive nanocube structures as well as the large number of exposed active areas. Furthermore, the bifunctional effects originated from Pd and Pb interactions help to display high endurance with less activity decay after 500 cycles, showing a great potential in fuel cells applications.

Journal Article Type Article
Publication Date Apr 18, 2018
Journal ACS applied materials and interfaces
Print ISSN 1944-8244
Electronic ISSN 1944-8252
Publisher American Chemical Society
Peer Reviewed Peer Reviewed
Volume 10
Issue 15
Pages 12659-12665
Institution Citation XU, H., SONG, P., FERNANDEZ, C., WANG, J., ZHU, M., SHIRAISHI, Y. and DU, Y. 2018. Sophisticated construction of binary PdPb alloy nanocubes as robust electrocatalysts toward ethylene glycol and glycerol oxidation. ACS applied materials and interfaces [online], 10(15), pages 12659-12665. Available from: https://doi.org/10.1021/acsami.8b00532
DOI https://doi.org/10.1021/acsami.8b00532
Keywords Binary PdPb nanocubes; Catalysts; Fuel cells; High performance; Electro oxidation

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