期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 12, 期 11, 页码 1539-1542出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2010.08.028
关键词
Iron(II) tetrakis(diaquaplatinum) octacarboxyphthalocyanine; Multi-walled carbon nanotubes; Oxygen reduction reaction; Kinetic rate constant
资金
- National Research Foundation (NRF)
- CSIR
- Adamawa State University
Oxygen reduction reaction (ORR) in alkaline medium at iron (II) tetrakis (diaquaplatinum) octacarboxyphthalocyanine (PtFeOCPc) catalyst supported on multi-walled carbon nanotubes (MWCNTs) has been described. The ORR followed the direct 4-electron transfer process, with a very low onset potential (approximately zero volts vs. Ag vertical bar AgCl, saturated KCl) and at a kinetic rate constant, 2.78 x 10(-2) cm s(-1). The results clearly showed that the ORR activity at the MWCNT-PtFeOCPc platform is comparable or even better than recent reports with other electrocatalysts, thus a promising catalytic platform for cathodic process in fuel cell device. (C) 2010 Elsevier B.V. All rights reserved.
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