Improved performance of a passive air breathing flat-plate microbial fuel cell

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DOIResolve DOI: http://doi.org/10.1002/cjce.22147
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TypeArticle
Journal titleCanadian Journal of Chemical Engineering
ISSN0008-4034
Volume93
Issue3
Pages479485; # of pages: 7
Subjectpassive air breathing; flat-plate microbial fuel cell; electrode spacing
AbstractThis study aims to investigate the effect of the graphite felt (GF) substrate surface treatment, the GF active surface area, and the anode chamber depth on the performance of the passive air breathing flat-plate microbial fuel cell (FPMFC) configuration. Three passive air breathing FPMFCs (depth of anode chamber: 2mm, 4mm, and 8mm) were developed and operated using 1, 2, and 3 packed layers of three-dimensional (3D) graphite felt anodes, respectively, with similar cross sectional (geometric) surface area as the cathode and the membrane. The surface of the GF substrate was treated by soaking in a hot solution of nitric acid prior to inoculation. The 2mm FPMFC generated a peak power density superior to that previously reported for the same configuration with no GF treatment. The peak power density in the 8mm and 4mm FPMFCs with 3 and 2 layers of GF increased by 118 % and 48 %, respectively, compared to the 2mm FPMFC with 1 layer of GF. By using only 1 layer of GF, the peak power density showed no significant variation with the electrode spacing.
Publication date
LanguageEnglish
AffiliationEnergy, Mining and Environment; National Research Council Canada
Peer reviewedYes
NPARC number21277024
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Record identifieree9f2740-aa74-4867-9ff8-9099b9695351
Record created2015-11-10
Record modified2016-05-09
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