The effect of real-time external resistance optimization on microbial fuel cell performance

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DOIResolve DOI: http://doi.org/10.1016/j.watres.2010.11.033
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TypeArticle
Journal titleWater Research
Volume45
Issue4
Pages15711578; # of pages: 8
SubjectMicrobial fuel cell; External resistance; Optimal control
AbstractThis work evaluates the impact of the external resistance (electrical load) on the long-term performance of a microbial fuel cell (MFC) and demonstrates the real-time optimization of the external resistance. For this purpose, acetate-fed MFCs were operated at external resistances, which were above, below, or equal to the internal resistance of a corresponding MFC. A perturbation/observation algorithm was used for the real-time optimal selection of the external resistance. MFC operation at the optimal external resistance resulted in increased power output, improved Coulombic efficiency, and low methane production. Furthermore, the efficiency of the perturbation/observation algorithm for maximizing long-term MFC performance was confirmed by operating an MFC fed with synthetic wastewater for over 40 days. In this test an average Coulombic efficiency of 29% was achieved.
Publication date
LanguageEnglish
AffiliationNRC Biotechnology Research Institute; National Research Council Canada
Peer reviewedYes
NRC number53342
NPARC number16751231
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Record identifier2f08a163-654d-486a-babc-bcad879dca6d
Record created2011-03-31
Record modified2016-05-09
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