期刊
ACS CATALYSIS
卷 5, 期 9, 页码 5207-5234出版社
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.5b00991
关键词
heteroatom-doped graphene; nonnoble electrocatalysts; oxygen reduction reaction; hydrogen evolution reaction; oxygen evolution reaction
资金
- Australian Research Council (ARC) through Discovery Project program [DP 130104459, DP 140104062]
To address aggravating energy and environment issues, inexpensive, highly active, and durable electrocatalysts as noble metal substitutes both at the anode and cathode are being actively pursued. Among them, heteroatom-doped graphene-based materials show extraordinary electrocatalytic performance, some even close to or outperforming the state-of-the-art noble metals, such as Pt- and IrO2-based materials. This review provides a concise appraisal on graphene doping methods, possible doping configurations and their unique electrochemical properties, including single and double doping with N, B, S, and P. In addition, heteroatom-doped graphene-based materials are reviewed as electrocatalysts for oxygen reduction, hydrogen evolution, and oxygen evolution reactions in terms of their electrocatalytic mechanisms and performance. Significantly, three-dimensional heteroatom-doped graphene structures have been discussed, and those especially can be directly utilized as catalyst electrodes without extra binders and supports.
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