复合菌体及单一菌体催化的微生物燃料电池产电机理初步研究

doi:10.61558/2993-074X.1913

电化学（中英文） ›› 2008, Vol. 14 ›› Issue (3): 313-318. doi: 10.61558/2993-074X.1913

复合菌体及单一菌体催化的微生物燃料电池产电机理初步研究

双陈冬;张恩仁;刁国旺;范芳芳;袁杰;

扬州大学化学化工学院;

收稿日期:2008-08-28 修回日期:2008-08-28 出版日期:2008-08-28 发布日期:2008-08-28

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

SHUANG Chen-dong,ZHANG En-ren,DIAO Guo-wang,FAN Fang-fang,YUAN jie

(Department of Chemistry and Chemical Engineering,Yangzhou University,Yangzhou 225002,Jiangsu,China

Received:2008-08-28 Revised:2008-08-28 Published:2008-08-28 Online:2008-08-28

摘要/Abstract

摘要： 利用淡水沉积物作为接种源构建了微生物燃料电池,考察苯酚对该微生物燃料电池性能的影响.结果表明,在淡水沉积物接种的微生物燃料电池中,电流的产生是由富集在电极表面的细菌引起的.苯酚降低了细菌消耗葡萄糖的速率,并在加入相同量葡萄糖的情况下,延长了产电时间.另一方面,实验还研究了一株从沉积物微生物燃料电池中分离出的单菌株的产电情况.该菌株在微生物燃料电池中需要借助自身代谢产生有电极反应活性的中间产物才能产电.GC-MS分析表明,中间产物中有吩嗪类物质,该类物质可在该细菌细胞与石墨电极之间充当电子传递介体,实现电子从细胞向电极的传递.

关键词: 微生物燃料电池, 淡水沉积物, 苯酚, 假单胞菌, 电子介体

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.

Key words: microbial fuel cells, fresh water sediment, phenol, pseudomonas, electron mediator

中图分类号:

TM911.4

双陈冬, 张恩仁, 刁国旺, 范芳芳, 袁杰, . 复合菌体及单一菌体催化的微生物燃料电池产电机理初步研究[J]. 电化学（中英文）, 2008, 14(3): 313-318.

SHUANG Chen-dong, ZHANG En-ren, DIAO Guo-wang, FAN Fang-fang, YUAN jie. Electricity Generation in Microbial Fuel Cells Catalyzed by Mixed Culture and Pure Culture[J]. Journal of Electrochemistry, 2008, 14(3): 313-318.

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https://electrochem.xmu.edu.cn/CN/Y2008/V14/I3/313

参考文献

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复合菌体及单一菌体催化的微生物燃料电池产电机理初步研究

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

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