期刊
ELECTROCHIMICA ACTA
卷 56, 期 25, 页码 9186-9190出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2011.07.108
关键词
Electrospinning; Non-noble electrocatalyst; Carbon nanofiber; Oxygen reduction reaction; Alkaline fuel cell; Ethanol tolerance
资金
- National Research Foundation (NRF)
- Korea government (MEST) [2010-0022453]
- National Research Foundation of Korea [2010-0022453] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Non-precious metal incorporated carbon nanofiber (CNF) composite electrocatalysts for the oxygen reduction reaction (ORR) in alkaline media were developed via a facile approach, based on electrospinning and pyrolysis. According to successive material characterizations, most of the Fe and Co metals embedded in the carbon fibers (FeCo-CNF) were just used to facilitate the incorporation of nitrogen and oxygen species on the CNF surface more effectively without direct participating in the ORR. The experimental resultant FeCo-CNF catalysts were subsequently shown to possess the comparable electrocatalytic activity and the better tolerance to crossovered ethanol than Pt/C in the ORR. (C) 2011 Elsevier Ltd. All rights reserved.
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