Journal
CARBON
Volume 68, Issue -, Pages 232-239Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2013.10.083
Keywords
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Funding
- National Key Basic Research Program of China [2013CB933200]
- National Natural Science Foundation of China [51202278, 21177137]
- National Natural Science Foundation of Shanghai [12ZR1435200]
- Key Program for Science and Technology Commission of Shanghai Municipality [11JC1413400]
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Nitrogen-doped multiwall carbon nanotubes (N-MWCNTs) have been synthesized by a co-pyrolysis route of iron(II) phthalocyanine (FePc) loaded and PEO20-PPO70-PEO20 retained in mesoporous silica. In this process, FePc was used as both Fe-catalyst, carbon and nitrogen sources, and P123-containing mesoporous silica was employed as both the substrate and carbon seeds/source for the growth of N-MWCNTs. The obtained samples have well-defined morphology and graphitic structure, and show high electrochemical catalytic activity and stability for oxygen reduction reaction, attributing to the highly graphitic structure and the pyridinic-type nitrogen in the N-MWCNTs. The power density of a single fuel cell using N-MWCNT as cathodic catalyst was measured to be 67.7% of that of a standard single cell using 40% Pt/C as cathodic catalyst. (C) 2013 Elsevier Ltd. All rights reserved.
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