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MFC research in electrode, bacteria. This chapter book aims to present some key aspects, which play a crucial role to optimize the energy...

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Representative MFC — matched on the paper’s system type only, not its reactor or geometry.

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What they did

System
MFC
Substrate
pure compound

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Abstract

This chapter book aims to present some key aspects, which play a crucial role to optimize the energy conversion process occurring in microbial fuel cells (MFCs): fluid dynamics and the materials selected as anodic electrodes. MFCs are (bio)-electrochemical devices that directly convert chemical energy into electrical energy, thanks to the metabolic activity of some bacteria. In the anodic compartment, these bacteria, named exoelectrogens, are able to oxidize the organic matter, directly releasing the electrons to the anode surface. The conversion process can be deeply influenced by how the electrolyte solution, containing the carbon-energy source, moves inside the device. For this reason, fluid dynamic modeling is an important tool to explain the correlation between the fluid flow and power output production, optimizing also the overall MFC performance. Moreover, the morphology of anode electrodes results to be essential to guarantee and enhance the bacteria proliferation on them, improving the energy conversion.

Keywords

Microbial fuel cellAnodeChemical energyElectrolyteEnergy transformationElectrochemical energy conversion

Identifiers

DOI
10.5772/INTECHOPEN.78641
Journal
Energy Conversion - Current Technologies and Future Trends
Year
2018