期刊
CARBON
卷 48, 期 9, 页码 2613-2624出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2010.03.066
关键词
-
资金
- New Energy and Industrial Technology Development Organization (NEDO)
Pyrolysis of a mixture of Fe phthalocyanine and phenolic resin (FePc/PhRs) was studied to clarify the details of the preparation protocol of nitrogen-doped carbon-based materials for cathode catalysts in polymer electrolyte membrane fuel cells. TEM images show that nanoshell carbon is formed by the pyrolysis of FePc/PhRs in the temperature range of 600-800 degrees C. The optimum pyrolysis temperature for the FePc/PhRs mixture was 600 degrees C, where moderate conductivity and high nitrogen content of the prepared carbon were both satisfied. This catalyst showed a promising fuel cell performance with 1.01 V open-circuit voltage and 0.33 W cm(-2) maximum output, at 0.2 MPa absolute pressure and 80 degrees C. A detailed study of the carbonization process suggests that the presence of Fe species during carbonization process contributes to higher nitrogen content and growth of nanoshell structure of the resulting carbon. (C) 2010 Elsevier Ltd. All rights reserved.
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