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Oxygenic phototrophic biofilms for improved cathode performance in microbial fuel cells

Walter, X. Alexis; Ieropoulos, Ioannis A.; Walter, Xavier Alexis; Ieropoulos, Ioannis; Greenman, John

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Authors

X. Alexis Walter

Ioannis A. Ieropoulos

Yannis Ieropoulos Ioannis2.Ieropoulos@uwe.ac.uk
Professor in Bioenergy & Director of B-B



Abstract

The rate of oxygen reduction reaction in the cathodic chambers of microbial fuel cells (MFCs) is a typical limiting aspect of its performance. Recently, research on biocathodes has gained more interest as it allows circumventing the utilisation of exogenous and unstable mediators at a lower cost. It is shown here that the growth of oxygenic phototrophs as a biofilm, increases the current output by two fold. This was possible by forcing the biofilm to grow onto the cathode, thus, producing the oxygen directly where it was consumed. This enhancement of the cathodic efficiency was stable for over 30. days. © 2013 Elsevier B.V.

Journal Article Type Article
Publication Date Jul 1, 2013
Publicly Available Date Jun 7, 2019
Journal Algal Research
Print ISSN 2211-9264
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 2
Issue 3
Pages 183-187
DOI https://doi.org/10.1016/j.algal.2013.02.002
Keywords microbial fuel cell, biocathode, oxygenic photosynthesis, biofilm
Public URL https://uwe-repository.worktribe.com/output/930681
Publisher URL http://dx.doi.org/10.1016/j.algal.2013.02.002

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