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CNTs@Fe-C-C core-shell nanostructures as active electrocatalyst for oxygen reduction
Yao, Yi1,3; Xiao, Hui2,3; Wang, Peng1,3; Su, Panpan1,3; Shao, Zhigang2; Yang, Qihua1
刊名JOURNAL OF MATERIALS CHEMISTRY A
2014-08-14
DOI10.1039/c4ta01237b
2期:30页:11768-11775
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Energy & Fuels ; Materials Science
关键词[WOS]DOPED CARBON NANOTUBES ; FUEL-CELL CATHODE ; IRON ; CATALYSTS ; POLYANILINE ; GRAPHENE ; SITES ; MEDIA
英文摘要The development of non-precious metal catalysts for oxygen reduction reactions (ORRs) is of extreme importance for the construction of efficient H-2/O-2 polymer electrolyte membrane fuel cells (PEMFCs), one of the most promising clean energy technologies. Herein, we report the fabrication of core-shell structured CNTs@Fe-N-C composites with a Fe-N-C shell closely wrapped around a core of CNTs (carbon nanotubes) as efficient catalysts for ORR. CNTs@Fe-N-C composites afford comparable activity to commercial Pt/C catalysts with a loading of 20 mu g Pt cm(-2) towards ORR in alkaline media. The results of XRD, TEM. XPS and Fe-57 MOssbauer characterizations suggest that the high ORR activity of CNTs@.FeN-C composites are mainly attributed to the combined advantages of the unique core-shell nanostructure allowing close contact between Fe-N-C and CNTs, uniformly distributed FeN4/C species, and the presence of pyridine and graphitic nitrogen.
语种英语
WOS记录号WOS:000339535100030
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/145657
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
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Yao, Yi,Xiao, Hui,Wang, Peng,et al. CNTs@Fe-C-C core-shell nanostructures as active electrocatalyst for oxygen reduction[J]. JOURNAL OF MATERIALS CHEMISTRY A,2014,2(30):11768-11775.
APA Yao, Yi,Xiao, Hui,Wang, Peng,Su, Panpan,Shao, Zhigang,&Yang, Qihua.(2014).CNTs@Fe-C-C core-shell nanostructures as active electrocatalyst for oxygen reduction.JOURNAL OF MATERIALS CHEMISTRY A,2(30),11768-11775.
MLA Yao, Yi,et al."CNTs@Fe-C-C core-shell nanostructures as active electrocatalyst for oxygen reduction".JOURNAL OF MATERIALS CHEMISTRY A 2.30(2014):11768-11775.
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