Checking graphite and stainless anodes with an experimental model of marine microbial fuel cell

被引：78

作者：

Dumas, Claire ^{[1
]}

Mollica, Alfonso ^{[2
]}

Feron, Damien ^{[3
]}

Basseguy, Regine ^{[1
]}

Etcheverry, Luc ^{[1
]}

Bergel, Alain ^{[1
]}

机构：

[1] CNRS, INPT, Lab Genie Chim, F-31106 Toulouse, France

[2] CNR, ISMAR, I-16149 Genoa, Italy

[3] CEA Saclay, SCCME, F-91191 Gif Sur Yvette, France

来源：

BIORESOURCE TECHNOLOGY | 2008年 / 99卷 / 18期

关键词：

Microbial fuel cell; Stainless steel; Sediments; Impedance spectroscopy;

D O I：

10.1016/j.biortech.2008.04.054

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

A procedure was proposed to mimic marine microbial fuel cell (MFC) in liquid phase. A graphite anode and a stainless steel cathode which have been proven, separately, to be efficient in MFC were investigated. A closed anodic compartment was inoculated with sediments, filled with deoxygenated seawater and fed with milk to recover the sediment's sulphide concentration. A stainless steel cathode, immersed in aerated seawater, used the marine biofilm formed on its surface to catalyze oxygen reduction. The cell implemented with a 0.02 m(2-)graphite anode supplied around 0.10 W/m(2) for 45 days. A power of 0.02 W/m(2) was obtained after the anode replacement by a 0.06 m(2)-stainless steel electrode. The cell lost its capacity to make a motor turn after one day of operation, but recovered its full efficiency after a few days in open circuit. The evolution of the kinetic properties of stainless steel was identified as responsible for the power limitation. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：8887 / 8894

页数：8

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