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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
Source PublicationACS ENERGY LETTERS
ISSN2380-8195
Volume3Issue:4Pages:883-889
Subtype期刊论文
AbstractThe 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.
KeywordMetal-free Electrocatalysts Single-atom Catalysts Heterogeneous Catalysis Ionothermal Synthesis Performance Graphene Evolution Hydrogen Carbon Identification
DOI10.1021/acsenergylett.8b00245
Indexed BySCI
Language英语
WOS IDWOS:000430369600019
Citation statistics
Cited Times:37[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28931
Collection中科院上海应用物理研究所2011-2019年
Affiliation1.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
Recommended Citation
GB/T 7714
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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