Journal
CURRENT OPINION IN BIOTECHNOLOGY
Volume 21, Issue 3, Pages 259-264Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.copbio.2010.03.010
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Funding
- US National Science Foundation CAREER [0645021]
- Div Of Chem, Bioeng, Env, & Transp Sys [0939882] Funding Source: National Science Foundation
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Here, we reviewed five different approaches that integrate photosynthesis with microbial fuel cells (MFCs) - photoMFCs. Until now, no conclusive report has been published that identifies direct electron transfer (DET) between a photosynthetic biocatalyst and the anode of a MFC. Therefore, most recent research has been performed to generate sufficient electric current from sunlight with either electrocatalysts or heterotrophic bacteria on the anode to convert photosynthetic products indirectly. The most promising photoMFCs to date are electrocatalytic bioelectrochemical systems (BESs) that convert hydrogen from photosynthesis and sediment-based BESs that can convert excreted organics from cyanobacteria or plants. In addition, illumination on the cathode may provide either oxygen for an electrocatalytic reduction reaction or a promising anoxygenic biocathode.
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