Electricity Generation in Microbial Fuel Cells Catalyzed by Mixed Culture and Pure Culture

Authors

Chen-dong SHUANG, Department of Chemistry and Chemical Engineering,Yangzhou University,Yangzhou 225002,Jiangsu,China;
En-ren ZHANG, Department of Chemistry and Chemical Engineering,Yangzhou University,Yangzhou 225002,Jiangsu,China;
Guo-wang DIAO, Department of Chemistry and Chemical Engineering,Yangzhou University,Yangzhou 225002,Jiangsu,China;
Fang-fang FAN, Department of Chemistry and Chemical Engineering,Yangzhou University,Yangzhou 225002,Jiangsu,China;
jie YUAN, Department of Chemistry and Chemical Engineering,Yangzhou University,Yangzhou 225002,Jiangsu,China;

Abstract

Microbial fuel cells(MFCs) were constructed by inoculating fresh sedimentary microorganisms.Effect of phenol on performance of MFCs was investigated.The results showed that the generation of electrical current was induced by bacteria attached on the surface of the anode.Presence of phenol reduced the rate of glucose consumption and extended the duration of electricity generation with the same addition of glucose.In addition,the electricity generation by a single strain(belonging to pseudomonas species) separated from the sedimentary MFC was also investigated.The experimental results indicated that the presence of metabolic intermediates which exhibited electrochemical activity was necessary for the electricity production.Analysis of GC-MS showed that the metabolic intermediates included phenazine derivatives which can function as electron shuttles between the bacteria cells and the anode,realizing the electron transfer from the cells to the electrode.

Keywords

microbial fuel cells, fresh water sediment, phenol, pseudomonas, electron mediator

DOI Link

https://doi.org/10.61558/2993-074X.1913

Publication Date

2008-08-28

Online Available Date

2008-08-28

Revised Date

2008-08-28

Received Date

2008-08-28

Recommended Citation

Chen-dong SHUANG, En-ren ZHANG, Guo-wang DIAO, Fang-fang FAN, jie YUAN. Electricity Generation in Microbial Fuel Cells Catalyzed by Mixed Culture and Pure Culture[J]. Journal of Electrochemistry, 2008 , 14(3): 313-318.
DOI: 10.61558/2993-074X.1913
Available at: https://jelectrochem.xmu.edu.cn/journal/vol14/iss3/17

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