期刊
JOURNAL OF SOLID STATE CHEMISTRY
卷 201, 期 -, 页码 41-47出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2013.02.013
关键词
Nanoparticle; Perovskite; Multi-walled carbon nano-tube; Fuel cell; Methanol oxidation
资金
- University of Sistan and Baluchestan (USB)
Nanosized perovskite LaFe0.7Co0.3O3 (LFCO) is synthesized through conventional co-precipitation method and characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM) and energy dispersive X-ray (EDX) techniques. The incorporation effect of the mentioned perovskite to catalytic activity of the PtNPs-MWCNTs-nafion (or -chitosan) catalyst toward methanol oxidation has been studied by cyclic voltammetry. Based on the electrochemical studies, all MWCNTs-PtNPs-nafion (or chitosan) and MWCNTs-PtNPs-LFCO-nafion (or chitosan) catalysts show a considerable activity for methanol oxidation. However, a synergistic effect is observed when LFCO is added to the catalyst by decreasing the poisoning rate of the Pt catalyst. (C) 2013 Elsevier Inc. All rights reserved.
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