Two-Dimensional Mesoporous Carbon Doped with Fe-N Active Sites for Efficient Oxygen Reduction
Ye, YF; Li, HB; Cai, F; Yan, CC; Si, R; Miao, S; Li, YS; Wang, GX; Bao, XH
2017
发表期刊ACS CATALYSIS
ISSN2155-5435
卷号7期号:11页码:7638-7646
文章类型期刊论文
摘要Iron-nitrogen (Fe-N) sites confined within carbon are highly active to catalyze the oxygen reduction reaction (ORR). The mesoporous structure of carbon facilitates the mass transport and availability to the Fe-N sites during the ORR; however, the construction of mesoporous carbon architecture with highly exposed and accessible Fe-N active sites remains challenging. Herein, 3D-to-2D transformation of zeolitic imidazolate frame-work-7 (ZIF-7) was successfully achieved via convenient impregnation in ammonium ferric citrate aqueous solution. After pyrolysis, isolated Fe-N sites are generated and confined within highly mesoporous carbon without using any additional modulator or template. The optimal Fe-N catalyst exhibits excellent performance toward ORR in alkaline medium, exceeding commercial 40% Pt/C catalyst in terms of activity, stability, and methanol resistance.
关键词Metal-organic Frameworks Functionalized Graphitic Materials c Catalysts Transition-metals Highly Efficient Electrocatalysts Evolution Nitrogen Iron Cobalt
DOI10.1021/acscatal.7b02101
关键词[WOS]METAL-ORGANIC FRAMEWORKS ; FUNCTIONALIZED GRAPHITIC MATERIALS ; C CATALYSTS ; TRANSITION-METALS ; HIGHLY EFFICIENT ; ELECTROCATALYSTS ; EVOLUTION ; NITROGEN ; IRON ; COBALT
收录类别SCI
语种英语
WOS记录号WOS:000414724700029
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28886
专题中科院上海应用物理研究所2011-2018年
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Ye, YF,Li, HB,Cai, F,et al. Two-Dimensional Mesoporous Carbon Doped with Fe-N Active Sites for Efficient Oxygen Reduction[J]. ACS CATALYSIS,2017,7(11):7638-7646.
APA Ye, YF.,Li, HB.,Cai, F.,Yan, CC.,Si, R.,...&Bao, XH.(2017).Two-Dimensional Mesoporous Carbon Doped with Fe-N Active Sites for Efficient Oxygen Reduction.ACS CATALYSIS,7(11),7638-7646.
MLA Ye, YF,et al."Two-Dimensional Mesoporous Carbon Doped with Fe-N Active Sites for Efficient Oxygen Reduction".ACS CATALYSIS 7.11(2017):7638-7646.
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