Atomically Dispersed Iron-Nitrogen Active Sites within Porphyrinic Triazine-Based Frameworks for Oxygen Reduction Reaction in Both Alkaline and Acidic Media
Yi, JD; Xu, R; Wu, Q; Zhang, T; Zang, KT; Luo, J; Liang, YL; Huang, YB; Cao, R
2018
发表期刊ACS ENERGY LETTERS
ISSN2380-8195
卷号3期号:4页码:883-889
文章类型期刊论文
摘要The rational design of highly efficient, low-cost, and durable electrocatalysts to replace platinum -based electrodes for oxygen reduction reaction (ORR) is highly desirable. Although atomically dispersed supported metal catalysts often exhibit excellent catalytic performance with maximized atom efficiency, the fabrication of single-atom catalysts remains a great challenge because of their easy aggregation. Herein, a simple ionothermal method was developed to fabricate atomically dispersed Fe-N-x species on porous porphyrinic triazine-based frameworks (FeSAs/PTF) with high Fe loading up to 8.3 wt %, resulting in highly reactive and stable single-atom ORR catalysts for the first time. Owing to the high density of single-atom Fe-N-4 active sites, highly hierarchical porosity, and good conductivity, the as-prepared catalyst FeSAs/PTF-600 exhibited highly efficient activity, methanol tolerance, and superstability for oxygen reduction reaction (ORR) under both alkaline and acidic conditions. This work will bring new inspiration to the design of highly efficient noble-metal-free catalysts at the atomic scale for energy conversion.
关键词Metal-free Electrocatalysts Single-atom Catalysts Heterogeneous Catalysis Ionothermal Synthesis Performance Graphene Evolution Hydrogen Carbon Identification
DOI10.1021/acsenergylett.8b00245
收录类别SCI
语种英语
WOS记录号WOS:000430369600019
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28931
专题中科院上海应用物理研究所2011-2018年
作者单位1.Yi, JD
2.Xu, R
3.Wu, Q
4.Zhang, T
5.Zang, KT
6.Luo, J
7.Liang, YL
8.Huang, YB
9.Cao, R
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Yi, JD,Xu, R,Wu, Q,et al. Atomically Dispersed Iron-Nitrogen Active Sites within Porphyrinic Triazine-Based Frameworks for Oxygen Reduction Reaction in Both Alkaline and Acidic Media[J]. ACS ENERGY LETTERS,2018,3(4):883-889.
APA Yi, JD.,Xu, R.,Wu, Q.,Zhang, T.,Zang, KT.,...&Cao, R.(2018).Atomically Dispersed Iron-Nitrogen Active Sites within Porphyrinic Triazine-Based Frameworks for Oxygen Reduction Reaction in Both Alkaline and Acidic Media.ACS ENERGY LETTERS,3(4),883-889.
MLA Yi, JD,et al."Atomically Dispersed Iron-Nitrogen Active Sites within Porphyrinic Triazine-Based Frameworks for Oxygen Reduction Reaction in Both Alkaline and Acidic Media".ACS ENERGY LETTERS 3.4(2018):883-889.
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