Preparation of PtNi hollow nanospheres for the electrocatalytic oxidation of methanol

Preparation of PtNi hollow nanospheres for the electrocatalytic oxidation of methanol We report the synthesis and characterization of hollow PtNi nanospheres by chemical successive-reduction method. The results of X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) account for the alloy formation between Pt and Ni and electronic structure change of Pt in the alloy. The prepared nanospheres show a high activity and stability for electrocatalytic oxidation of methanol as compared to the commercial Pt/C catalyst and the co-reduced PtNi nanoparticles. The reasons of the high electrocatalytic activity of the hollow PtNi nanospheres were discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Power Sources Elsevier

Preparation of PtNi hollow nanospheres for the electrocatalytic oxidation of methanol

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Publisher
Elsevier
Copyright
Copyright © 2011 Elsevier B.V.
ISSN
0378-7753
D.O.I.
10.1016/j.jpowsour.2011.02.088
Publisher site
See Article on Publisher Site

Abstract

We report the synthesis and characterization of hollow PtNi nanospheres by chemical successive-reduction method. The results of X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) account for the alloy formation between Pt and Ni and electronic structure change of Pt in the alloy. The prepared nanospheres show a high activity and stability for electrocatalytic oxidation of methanol as compared to the commercial Pt/C catalyst and the co-reduced PtNi nanoparticles. The reasons of the high electrocatalytic activity of the hollow PtNi nanospheres were discussed.

Journal

Journal of Power SourcesElsevier

Published: Jul 15, 2011

References

  • Electrochem. Commun.
    Zhou, C.; Peng, F.; Wang, H.; Yu, H.; Peng, C.; Yang, J.
  • Electrochem. Commun.
    Yang, H.; Zhang, J.; Kumar, S.; Zhang, H.; Yang, R.; Fang, J.; Zou, S.

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