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In situ formation of graphene layers on graphite surfaces for efficient anodes of microbial fuel cells

文献类型： 外文期刊

作者： Tang, Jiahuan 1 ; Chen, Shanshan 1 ; Yuan, Yong 1 ; Cai, Xixi 1 ; Zhou, Shungui 1 ;

作者机构： 1.Guangdong Inst Ecoenvironm & Soil Sci, Guangdong Key Lab Agr Environm Pollut Integrated, Guangzhou 510650, Guangdong, Peoples R China

关键词： Microbial fuel cells;Electrochemical exfoliation;Graphene;Macroporous anodes;Graphite plate

期刊名称：BIOSENSORS & BIOELECTRONICS （ 影响因子：10.618； 五年影响因子：9.323 ）

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收录情况： SCI

摘要： Graphene can be used to improve the performance of the anode in a microbial fuel cell (MFC) due to its good biocompatibility, high electrical conductivity and large surface area. However, the chemical production and modification of the graphene on the anode are environmentally hazardous because of the use of various harmful chemicals. This study reports a novel method based on the electrochemical exfoliation of a graphite plate (GP) for the in situ formation of graphene layers on the surface of a graphite electrode. When the resultant graphene-layer-based graphite plate electrode (GL/GP) was used as an anode in an MFC, a maximum power density of 0.67 +/- 0.034 W/m(2) was achieved. This value corresponds to 1.72-, 1.56- and 1.26-times the maximum power densities of the original GP, exfoliated-graphenemodified GP (EG/GP) and chemically-reduced-graphene-modified GP (rGO/GP) anodes, respectively. Electrochemical measurements revealed that the high performance of the GL/GP anode was attributable to its macroporous structure, improved electron transfer and high electrochemical capacitance. The results demonstrated that the proposed method is a facile and environmentally friendly synthesis technique for the fabrication of high-performance graphene-based electrodes for use in microbial energy harvesting. (C) 2015 Elsevier B.V. All rights reserved.

  • 相关文献

[1]Mechanism of energy generation of microbial fuel cells. Lu Na,Ni Jinren,Lu Na,Zhou Shungui. 2008

[2]Facile Synthesis of MnO2/Polypyrrole/MnO2 Multiwalled Nanotubes as Advanced Electrocatalysts for the Oxygen Reduction Reaction. Yuan, Haoran,Deng, Lifang,Chen, Yong,Tang, Jiahuan,Zhou, Shungui,Yuan, Yong,Yuan, Haoran,Deng, Lifang,Chen, Yong. 2015

[3]Factors affecting the performance of microbial fuel cells for sulfide and vanadium (V) treatment. Zhang, Bao-Gang,Zhao, Hua-Zhang,Kong, Ling-Cai,Sun, Juan-Juan,Ni, Jin-Ren,Zhou, Shun-Gui,Shi, Chun-Hong,Yang, Yang.

[4]A novel UASB-MFC-BAF integrated system for high strength molasses wastewater treatment and bioelectricity generation. Zhang, Baogang,Zhao, Huazhang,Wang, Chao,Ni, Jinren,Zhou, Shungui,Shi, Chunhong.

[5]Simultaneous removal of sulfide and organics with vanadium(V) reduction in microbial fuel cells. Zhang, Baogang,Zhao, Huazhang,Ni, Jinren,Shi, Chunhong,Zhou, Shungui.

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