Photosynthetic cathodes for microbial fuel cells

Gajda, I., Greenman, J., Melhuish, C. and Ieropoulos, I. (2013) Photosynthetic cathodes for microbial fuel cells. International Journal of Hydrogen Energy, 38 (26). pp. 11559-11564. ISSN 0360-3199 Available from:

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One of the major limiting factors in the practical implementation of Microbial Fuel Cells is finding efficient and sustainable catalysts for the cathode half reaction, in an attempt to avoid expensive and/or toxic catalysts. The use of phototrophic organisms is one good option since they can act as efficient in-situ oxygenators thus facilitating the cathodic reaction. In the present study, the oxygen production by photosynthetic organisms was shown to be light dependent, which resulted in increasing the power generation by 42%. Furthermore, this study showed that a previously abiotic cathode that was intentionally turned biotic showed a clear light response with an improved performance of 48%. Oxygen depletion in a water-based cathode can be avoided with the use of photosynthetic biocatalysts, thus providing sustainable operation for MFCs.

Item Type:Article
Uncontrolled Keywords:microbial fuel cells, bioenergy from waste, biocathode, phototrophs, algae
Faculty/Department:Faculty of Environment and Technology > Department of Computer Science and Creative Technologies
ID Code:19118
Deposited By: Dr I. Gajda
Deposited On:11 Mar 2013 13:59
Last Modified:14 Mar 2016 16:48

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