2013, pp 101-123
Date: 29 Aug 2012

Biofuel Cells: Bioelectrochemistry Applied to the Generation of Green Electricity

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Several studies published in the last decade have pointed to the use of enzymes and microorganisms in biocatalytic reactions to generate electricity. Enzymes and living organisms can be used in modified electrodes to build the so-called biofuel cells (BFCs). However, a deep understanding of the structure and biocatalytic properties after enzyme immobilization is still lacking because they are immobilized in the solid state and outside of their natural environment. Thus, based on biological molecules and nanostructure materials applied to BFCs, these current topics shall be reviewed here, and prospects for future development in these areas will be presented as well. Moreover, immobilization methodologies and enzyme stability systems that result in BFCs will also be presented. Finally, BFC power density and catalyst support will be widely discussed in this book chapter.