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Optimizing cathodes for microbial fuel cells is important to maximize energy harvested from wastewater. Cathodes were made by modifying a recipe from previous literature and testing the current of the cathode using linear sweep voltammetry. The cathodes contained an Fe-N-C catalyst combined with a Polytetrafluoroethylene binder. Optimizing the power resulting from the microbial fuel cells will help MFCs be an alternative energy source to fossil fuels. The new cathodes did improve in current production from −16 𝐴/𝑚 to −37 𝐴/𝑚 at -0.4 V. When fitted using a Butler-Volmer model, the cathode linear-sweep voltammograms did not follow the expected exponential trend. These results show a need for more research on the cathodes and the Butler-Volmer model, and they also show that the cathode is ready for further and longer application in a microbial fuel cell.
- Russell, Andrea Christine (Author)
- Torres, Cesar (Thesis director)
- Young, Michelle (Committee member)
- School of Sustainable Engineering & Built Envirnmt (Contributor)
- School of Sustainability (Contributor)
- Barrett, The Honors College (Contributor)
- 2021-02-16 11:12:45
- 2021-08-11 04:09:57
- 3 years 2 months ago