期刊
CARBON
卷 102, 期 -, 页码 58-65出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2016.02.034
关键词
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资金
- Shanghai Institute of Ceramics
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure
- Youth Science and Technology Talents Sail Program of Shanghai Municipal Science and Technology Commission [15YF1413800]
- Shanghai government [14DZ2261200]
- National Natural Science Foundation of China [21307145]
- One Hundred Talent Plan of Chinese Academy of Sciences
Dual-doped graphene is synthesized by a facile solvothermal method with the assistance of ionic liquids containing both N and X (X = B, P or S) atoms. All three types of co-doped graphene present excellent catalytic activity, demonstrating preferred four-electron selectivity and low peroxide yields toward oxygen reduction reaction in alkaline solution. Particularly, N, P-graphene exhibits superior catalytic activity to its counterparts in terms of half-wave potential (Delta E-1/2 = -70 mV relative to commercial Pt/C), methanol tolerance and long-term stability. This could be attributed to the unique porous nanostructure, change of charge density and high distortion of carbon structures originating from the combination of large electronegativity of N element and big covalent radius of P atoms. (C) 2016 Elsevier Ltd. All rights reserved.
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