Simple-Cubic Carbon Frameworks with Atomically Dispersed Iron Dopants toward High-Efficiency Oxygen Reduction
Wang, BW (Wang, Biwei); Wang, XX (Wang, Xinxia); Zou, JX (Zou, Jinxiang); Yan, YC (Yan, Yancui); Xie, SH (Xie, Songhai); Hu, GZ (Hu, Guangzhi); Li, YG (Li, Yanguang); Dong, AG (Dong, Angang)
2017
发表期刊NANO LETTERS
卷号17期号:3页码:2003-2009
摘要Iron and nitrogen codoped carbons (Fe-N-C) have attracted increasingly greater attention as electrocatalysts for oxygen reduction reaction (ORR). Although challenging, the synthesis of Fe-N-C catalysts with highly dispersed and fully exposed active sites is of critical importance for improving the ORR activity. Here, we report a new type of graphitic Fe-N-C catalysts featuring numerous Fe single atoms anchored on a three-dimensional simple-cubic carbon framework. The Fe-N-C catalyst, derived from self assembled Fe3O4. nanocube superlattices, was prepared by in situ ligand carbonization followed by acid etching and ammonia activation. Benefiting from its homogeneously dispersed and fully accessible active sites, highly graphitic nature, and enhanced mass transport, our Fe-N-C catalyst outperformed Pt/C and many previously reported Fe-N-C catalysts for ORR Furthermore, when used for constructing the cathode for zinc air batteries, our Fe-N-C catalyst exhibited current and power densities comparable to those of the state-of-the-art Pt/C catalyst.
关键词Self-assembly Fe-n-c Catalyst Single Atom Oxygen Reduction Reaction Zinc-air Battery
DOI10.1021/acs.nanolett.7b00004
收录类别SCI
WOS记录号WOS:000396185800097
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文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/4742
专题省部共建新疆特有药用资源利用重点实验室
作者单位1.Fudan Univ, Shanghai Key Lab Mol Catalysis & Innovat Mat, Collaborat Innovat Ctr Chem Energy Mat, Shanghai 200433, Peoples R China
2.Fudan Univ, Dept Chem, Shanghai 200433, Peoples R China
3.Soochow Univ, Jiangsu Key Lab Carbon Based Funct Mat & Devices, Inst Funct Nano & Soft Mat FUNSOM, Suzhou 215123, Peoples R China
4.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, State Key Lab Basis Xinjiang Indigenous Med Plant, Key Lab Chem Plant Resources Arid Reg, Urumqi 830011, Peoples R China
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Wang, BW ,Wang, XX ,Zou, JX ,et al. Simple-Cubic Carbon Frameworks with Atomically Dispersed Iron Dopants toward High-Efficiency Oxygen Reduction[J]. NANO LETTERS,2017,17(3):2003-2009.
APA Wang, BW .,Wang, XX .,Zou, JX .,Yan, YC .,Xie, SH .,...&Dong, AG .(2017).Simple-Cubic Carbon Frameworks with Atomically Dispersed Iron Dopants toward High-Efficiency Oxygen Reduction.NANO LETTERS,17(3),2003-2009.
MLA Wang, BW ,et al."Simple-Cubic Carbon Frameworks with Atomically Dispersed Iron Dopants toward High-Efficiency Oxygen Reduction".NANO LETTERS 17.3(2017):2003-2009.
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