Abstract

Microbial fuel cells (MFC) represents a very promising technology for generating electrical energy from organic and inorganic matter in wastewater using microorganisms as biocatalysts. MFCs provide a suitable, eco-friendly alternative to produce energy and to treat wastewater simultaneously. Besides electricity production, MFCs can also be devoted to alternative applications such as hydrogen and methane production, bioremediation, seawater desalination, in situ power supply, robotics, and biosensors. In the past decade, MFCs have experienced significant scientific and technological development, to the point of becoming close to commercialization. Companies from many parts of the world have started investing in this amazing technology. However, the overall low performance compared to other established fuel cell technologies and the high cost of its components compared to the low value of the wastewater it treated, are the two major barriers to commercialization. This chapter deals with opportunities and challenges in the commercialization of MFCs.

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