期刊
JOURNAL OF POWER SOURCES
卷 216, 期 -, 页码 187-191出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2012.05.023
关键词
Microbial fuel cell; Graphene; Manganese dioxide-graphene hybrid; Oxygen reduction reaction
资金
- China Postdoctoral Science Foundation [20100480975]
- Fundamental Research funds for the Central Universities
- Heilongjiang Postdoctoral Science Foundation
Manganese dioxide-graphene nanosheet (MnO2/GNS) hybrid is used as an alternative cathode catalyst for oxygen reduction reaction in air-cathode microbial fuel cell (MFC). The results show that the nanostructured MnO2/GNS composite exhibit an excellent catalytic activity for oxygen reduction reaction due to MnO2 nanoparticles closely anchored on the excellent conductive graphene nanosheets. As a result, MFC with MnO2/GNS as air cathode catalyst generates a maximum power density of 2083 mW m(-2), which is higher than that of MFC with pure manganese dioxide catalyst (1470 mW m(-2)). Therefore, MnO2/GNS nanocomposite is an efficient and cost-effective cathode catalyst for practical MFC applications. (C) 2012 Elsevier B.V. All rights reserved.
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