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MFC research paper focusing on coulombic efficiency, anode, cathode

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Coulombic efficiency0.15%

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What they did

System
MFC

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Abstract

Pilot scale up-flow membrane-less microbial fuel cell (UFML-MFC) was constructed to study feasibility of the bioreactor for simultaneous degradation of organic substance and electricity generation. The performance of the UFML-MFC was evaluated with different anode electrode (cube carbon felt and stacked carbon felt) in terms of voltage output, chemical oxygen demand (COD) and Coulombic efficiency (CE). Carbon flake were used as cathode in the UFML-MFC. UFML-MFC was operated in three stages where included batch-fed, end of batch fed and semi-continuous. The Cube carbon felt as anode have the better performance in terms of voltage output and electricity generation in all 3 stages. Maximum voltage output was 0.311 ± 0.004 V at 75% of COD reduction and thus CE was 0.15%. The result shows the operational mode is the key to improve the voltage output and also COD reduction.

Keywords

Microbial fuel cellAnodeCathodeFaraday efficiencyChemical oxygen demandCarbon fibers

Identifiers

DOI
10.1063/1.4979404
Journal
AIP Conference Proceedings
Year
2017