Design of a single chamber Microbial Fuel Cell

  • Zielke E
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Abstract

Microbial fuel cells (MFCs) are devices that use bacteria to generate electricity from organic matter. Most of the current research performed on MFCs is concerned with increasing the power density of the system with respect to the peripheral anode surface area; little research has been done on determining the effects of voltage output in comparison to varying fuel cell components. A research grant of $100 was awarded to obtain materials needed to fabricate 7 single chamber MFCs. A permit from the City of Arcata was used to obtain sample primary effluent domestic wastewater. Investigation concluded that a proper biofilm is needed to obtain desirable voltage results, voltage generation is not dependent on volume, an exessive amount of substrate introduced to a minimal amount of biofilm will obtain unwanted voltage results, a capacitance issue was exhibited in a MFC inoculated with DI water and further research will be needed to fully understand the results obtained from this study.

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Authors

  • Eric A Zielke

  • Eric A Zielke

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