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나노입자 연구단
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A facile synthetic strategy for iron, aniline-based non-precious metal catalysts for polymer electrolyte membrane fuel cells

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Title
A facile synthetic strategy for iron, aniline-based non-precious metal catalysts for polymer electrolyte membrane fuel cells
Author(s)
Hyunjoon Lee; Min Jeong Kim; Taeho Lim; Yung-Eun Sung; Hyun-Jong Kim; Ho-Nyun Lee; Oh Joong Kwon; Yong-Hun Cho
Publication Date
2017-07
Journal
SCIENTIFIC REPORTS, v.7, no.1, pp.5396 -
Publisher
NATURE PUBLISHING GROUP
Abstract
The development of a low cost and highly active alternative to the commercial Pt/C catalysts used in the oxygen reduction reaction (ORR) requires a facile and environmentally-friendly synthesis process to facilitate large-scale production and provide an effective replacement. Transition metals, in conjunction with nitrogen-doped carbon, are among the most promising substitute catalysts because of their high activity, inexpensive composition, and high carbon monoxide tolerance. We prepared a polyaniline-derived Fe-N-C catalyst for oxygen reduction using a facile one-pot process with no additional reagents. This process was carried out by ultrasonicating a mixture containing an iron precursor, an aniline monomer, and carbon black. The half-wave potential of the synthesized Fe-N-C catalyst for the ORR was only 10 mV less than that of a commercial Pt/C catalyst. The optimized Fe-N-C catalyst showed outstanding performance in a practical anion exchange membrane fuel cell (AEMFC), suggesting its potential as an alternative to commercial Pt/C catalysts for the ORR. © 2017 The Author(s)
URI
http://pr.ibs.re.kr/handle/8788114/4175
DOI
10.1038/s41598-017-05830-y
ISSN
2045-2322
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > Journal Papers (저널논문)
Files in This Item:
21. Lee_et_al-2017-Scientific Reports.pdfDownload

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