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Fe-N-carbon black for the oxygen reduction reaction in sulfuric acid
Xiao, Hui1,2; Shao, Zhi-Gang1; Zhang, Geng1,2; Gao, Yuan1,2; Lu, Wangting1,2; Yi, Baolian1
刊名CARBON
2013-06-01
DOI10.1016/j.carbon.2013.02.017
57页:443-451
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Materials Science
关键词[WOS]MEMBRANE FUEL-CELLS ; HIGH ELECTROCATALYTIC ACTIVITY ; NONPRECIOUS CATALYST ; CATHODE CATALYSTS ; ACTIVE-SITES ; POLYANILINE ; ELECTROLYTE ; IRON ; DENSITY ; COBALT
英文摘要A Fe-N-C catalyst was prepared by pyrolyzing carbon black supported Fe-imidazole complexes. The effect of different pyrolysis temperatures on the catalysts' oxygen reduction reaction (ORR) activity was investigated by electrochemical rotating disk electrode tests in 0.5 M H2SO4. The Fe-N-C catalyst heat-treated at 700 degrees C was found to display the best ORR activity with a highest half-wave potential of 0.656 V vs. normal hydrogen electrode (NHE), which was only 64 mV lower than that of the commercial Pt-C (loading 10 mu g(Pt) cm(-2)), and a lowest H2O2 yield (0.6% at 0.4 V vs. NHE). Furthermore, potential cycling tests showed that the catalyst had a better electrochemical stability than Pt-C catalyst. X-ray photoelectron spectroscopy characterization of these catalysts was also conducted to identify the active nitrogen species for ORR. (C) 2013 Elsevier Ltd. All rights reserved.
语种英语
WOS记录号WOS:000319030000051
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被引频次:61[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/137759
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Fuel Cell Syst & Engn Lab, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
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Xiao, Hui,Shao, Zhi-Gang,Zhang, Geng,et al. Fe-N-carbon black for the oxygen reduction reaction in sulfuric acid[J]. CARBON,2013,57:443-451.
APA Xiao, Hui,Shao, Zhi-Gang,Zhang, Geng,Gao, Yuan,Lu, Wangting,&Yi, Baolian.(2013).Fe-N-carbon black for the oxygen reduction reaction in sulfuric acid.CARBON,57,443-451.
MLA Xiao, Hui,et al."Fe-N-carbon black for the oxygen reduction reaction in sulfuric acid".CARBON 57(2013):443-451.
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