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题名: Ionic Liquids as Precursors for Efficient Mesoporous Iron-Nitrogen-Doped Oxygen Reduction Electrocatalysts
作者: Li, Zelong1;  Li, Guanglan2;  Jiang, Luhua2;  Li, Jinlei1;  Sun, Gongquan2;  Xia, Chungu1;  Li, Fuwei1
关键词: heterogeneous catalysis ;  ionic liquids ;  iron ;  ordered mesoporous carbon ;  oxygen reduction reaction
刊名: ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
发表日期: 2015-01-26
DOI: 10.1002/anie.201409579
卷: 54, 期:5, 页:1494-1498
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: A ferrocene-based ionic liquid (Fe-IL) is used as a metal-containing feedstock with a nitrogen-enriched ionic liquid (N-IL) as a compatible nitrogen content modulator to prepare a novel type of non-precious-metal-nitrogen-carbon (M-N-C) catalysts, which feature ordered mesoporous structure consisting of uniform iron oxide nanoparticles embedded into N-enriched carbons. The catalyst Fe-10@NOMC exhibits comparable catalytic activity but superior long-term stability to 20 wt% Pt/C for ORR with four-electron transfer pathway under alkaline conditions. Such outstanding catalytic performance is ascribed to the populated Fe (Fe3O4) and N (N2) active sites with synergetic chemical coupling as well as the ordered mesoporous structure and high surface area endowed by both the versatile precursors and the synthetic strategy, which also open new avenues for the development of M-N-C catalytic materials.
关键词[WOS]: FUEL-CELLS ;  CARBON NANOTUBES ;  ACTIVE-SITES ;  CATALYSTS ;  PERFORMANCE ;  GRAPHENE ;  OXIDE ;  NANOCRYSTALS ;  POLYMER ;  NANOPARTICLES
语种: 英语
WOS记录号: WOS:000348713900014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146002
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Oxo Synth & Select Oxidat, Lanzhou 730000, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Div Fuel Cell & Battery, Dalian 116023, Peoples R China

Recommended Citation:
Li, Zelong,Li, Guanglan,Jiang, Luhua,et al. Ionic Liquids as Precursors for Efficient Mesoporous Iron-Nitrogen-Doped Oxygen Reduction Electrocatalysts[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2015,54(5):1494-1498.
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