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Changes in Carbon Electrode Morphology Affect Microbial Fuel Cell Performance with Shewanella oneidensis MR-1

Author

Listed:
  • David V. P. Sanchez

    (Department of Civil and Environmental Engineering, University of Pittsburgh, 3700 O'Hara St., 742 Benedum Hall, Pittsburgh, PA 15261, USA)

  • Daniel Jacobs

    (Department of Chemical and Petroleum Engineering, University of Pittsburgh, 3700 O'Hara St., 1249 Benedum Hall, Pittsburgh, PA 15261, USA)

  • Kelvin Gregory

    (Department of Civil and Environmental Engineering, Carnegie Mellon University, 5000 Forbes Avenue, 119 Porter Hall, Pittsburgh, PA 15213, USA)

  • Jiyong Huang

    (Department of Electrical and Computer Engineering, University of Pittsburgh, 1140 Benedum Hall, Pittsburgh, PA 15261, USA)

  • Yushi Hu

    (Department of Electrical and Computer Engineering, University of Pittsburgh, 1140 Benedum Hall, Pittsburgh, PA 15261, USA)

  • Radisav Vidic

    (Department of Civil and Environmental Engineering, University of Pittsburgh, 3700 O'Hara St., 742 Benedum Hall, Pittsburgh, PA 15261, USA)

  • Minhee Yun

    (Department of Electrical and Computer Engineering, University of Pittsburgh, 1140 Benedum Hall, Pittsburgh, PA 15261, USA)

Abstract

The formation of biofilm-electrodes is crucial for microbial fuel cell current production because optimal performance is often associated with thick biofilms. However, the influence of the electrode structure and morphology on biofilm formation is only beginning to be investigated. This study provides insight on how changing the electrode morphology affects current production of a pure culture of anode-respiring bacteria. Specifically, an analysis of the effects of carbon fiber electrodes with drastically different morphologies on biofilm formation and anode respiration by a pure culture ( Shewanella oneidensis MR-1) were examined. Results showed that carbon nanofiber mats had ~10 fold higher current than plain carbon microfiber paper and that the increase was not due to an increase in electrode surface area, conductivity, or the size of the constituent material. Cyclic voltammograms reveal that electron transfer from the carbon nanofiber mats was biofilm-based suggesting that decreasing the diameter of the constituent carbon material from a few microns to a few hundred nanometers is beneficial for electricity production solely because the electrode surface creates a more relevant mesh for biofilm formation by Shewanella oneidensis MR-1 .

Suggested Citation

  • David V. P. Sanchez & Daniel Jacobs & Kelvin Gregory & Jiyong Huang & Yushi Hu & Radisav Vidic & Minhee Yun, 2015. "Changes in Carbon Electrode Morphology Affect Microbial Fuel Cell Performance with Shewanella oneidensis MR-1," Energies, MDPI, vol. 8(3), pages 1-13, March.
    • Handle: RePEc:gam:jeners:v:8:y:2015:i:3:p:1817-1829:d:46375
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    Citations

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    Cited by:

    1. Dawid Nosek & Piotr Jachimowicz & Agnieszka Cydzik-Kwiatkowska, 2020. "Anode Modification as an Alternative Approach to Improve Electricity Generation in Microbial Fuel Cells," Energies, MDPI, vol. 13(24), pages 1-22, December.
    2. Wenguo Wu & Hao Niu & Dayun Yang & Shi-Bin Wang & Jiefu Wang & Jia Lin & Chaoyi Hu, 2019. "Controlled Layer-By-Layer Deposition of Carbon Nanotubes on Electrodes for Microbial Fuel Cells," Energies, MDPI, vol. 12(3), pages 1-16, January.
    3. Anna Sekrecka-Belniak & Renata Toczyłowska-Mamińska, 2018. "Fungi-Based Microbial Fuel Cells," Energies, MDPI, vol. 11(10), pages 1-18, October.
    4. Frattini, Domenico & Accardo, Grazia & Duarte, Kimberley D.Z. & Kim, Do-Heyoung & Kwon, Yongchai, 2020. "Improved biofilm adhesion and electrochemical properties of a graphite-cement composite with silica nanoflowers versus two benchmark carbon felts," Applied Energy, Elsevier, vol. 261(C).
    5. Mohammad Faisal Umar & Mohd Rafatullah & Syed Zaghum Abbas & Mohamad Nasir Mohamad Ibrahim & Norli Ismail, 2021. "Advancement in Benthic Microbial Fuel Cells toward Sustainable Bioremediation and Renewable Energy Production," IJERPH, MDPI, vol. 18(7), pages 1-20, April.
    6. Renata Toczyłowska-Mamińska & Karolina Szymona & Patryk Król & Karol Gliniewicz & Katarzyna Pielech-Przybylska & Monika Kloch & Bruce E. Logan, 2018. "Evolving Microbial Communities in Cellulose-Fed Microbial Fuel Cell," Energies, MDPI, vol. 11(1), pages 1-12, January.

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