A facile route for preparation of non-noble CNF cathode catalysts in alkaline ethanol fuel cells

被引：49
|
作者：
Uhm, Sunghyun [2 ]
Jeong, Beomgyun [1 ]
Lee, Jaeyoung [1 ,2 ]
机构：
[1] Gwangju Inst Sci & Technol, Sch Environm Sci & Engn, Electrochem React & Technol Lab, Kwangju 500712, South Korea
[2] Gwangju Inst Sci & Technol, Res Inst Solar & Sustainable Energies, Ertl Ctr Electrochem & Catalysis, Kwangju 500712, South Korea
来源：
ELECTROCHIMICA ACTA | 2011年 / 56卷 / 25期
基金：
新加坡国家研究基金会;
关键词：
Electrospinning; Non-noble electrocatalyst; Carbon nanofiber; Oxygen reduction reaction; Alkaline fuel cell; Ethanol tolerance; OXYGEN REDUCTION ELECTROCATALYSIS; CARBON; COBALT; ARRAYS; SIZE;
D O I：
10.1016/j.electacta.2011.07.108
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
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.
引用
收藏
页码：9186 / 9190
页数：5
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