Journal
APPLIED ENERGY
Volume 98, Issue -, Pages 594-596Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.apenergy.2012.02.058
Keywords
Biocathode; Electricity generation; Microbial fuel cell (MFC); White-rot fungus
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Funding
- NSFC [21007064]
- China Postdoctoral Science Foundation [20090460731]
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White-rot fungus is able to secrete laccase, which can reduce O-2 to H2O and has been widely used in enzymatic fuel cells. In this work, a strain of white-rot fungus, Coriolus versicolor, is inoculated in the cathodic chamber of a microbial fuel cell (MFC) to improve cathode reduction efficiency for better electricity generation. 2,2'-Azino-bis(3-ethylbenzothazoline-6-sulfonate), as a redox mediator, is added to the catholyte to facilitate the electron transfer between the electrode and the laccase. The results show that the fungus-based biocathode has better performance than the conventional abiotic cathode, with approximately seven-orders higher power density achieved. This is the first report that white-rot fungus is used to constitute the biocathode of an MFC for improved electricity generation. (c) 2012 Elsevier Ltd. All rights reserved.
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