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Carbon Nanotube/Pt Cathode Nanocomposite Electrode in Microbial Fuel Cells for Wastewater Treatment and Bioenergy Production

Author

Listed:
  • Mostafa Ghasemi

    (Chemical Engineering Section, Faculty of Engineering, Sohar University, Sohar 311, Oman)

  • Mehdi Sedighi

    (Department of Chemical Engineering, University of Qom, Qom 3716146611, Iran)

  • Yie Hua Tan

    (Department of Environmental Engineering, Faculty of Engineering and Science, Curtin University, Miri 98009, Sarawak, Malaysia)

Abstract

In this paper, we reported the fabrication, characterization, and application of carbon nanotube (CNT)-platinum nanocomposite as a novel generation of cathode catalyst in microbial fuel cells (MFCs) for sustainable energy production and wastewater treatment. The efficiency of the carbon nanocomposites was compared by platinum (Pt), which is the most effective and common cathode catalyst. This nanocomposite is utilized to benefit from the catalytic properties of CNTs and reduce the amount of required Pt, as it is an expensive catalyst. The CNT/Pt nanocomposites were synthesized via a chemical reduction technique and the electrodes were characterized by field emission scanning electron microscopy, electronic dispersive X-Ray analysis, and transmission electron microscopy. The nanocomposites were applied as cathode catalysts in the MFC to obtain polarization curve and coulombic efficiency (CE) results. The catalytic properties of electrodes were tested by linear sweep voltammetry. The CNT/Pt at the concentration of 0.3 mg/cm 2 had the highest performance in terms of CE (47.16%), internal resistance (551 Ω), COD removal (88.9%), and power generation (143 mW/m 2 ). In contrast, for the electrode with 0.5 mg/L of Pt catalyst, CE, internal resistance, COD removal, and power generation were 19%, 810 Ω, 96%, and 84.1 mW/m 2 , respectively. So, it has been found that carbon nanocomposite cathode electrodes had better performance for sustainable clean energy production and COD removal by MFC.

Suggested Citation

  • Mostafa Ghasemi & Mehdi Sedighi & Yie Hua Tan, 2021. "Carbon Nanotube/Pt Cathode Nanocomposite Electrode in Microbial Fuel Cells for Wastewater Treatment and Bioenergy Production," Sustainability, MDPI, vol. 13(14), pages 1-13, July.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:14:p:8057-:d:597122
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    References listed on IDEAS

    as
    1. Tajdid Khajeh, Rana & Aber, Soheil & Zarei, Mahmoud, 2020. "Comparison of NiCo2O4, CoNiAl-LDH, and CoNiAl-LDH@NiCo2O4 performances as ORR catalysts in MFC cathode," Renewable Energy, Elsevier, vol. 154(C), pages 1263-1271.
    2. Seyed Reza Shamshirgaran & Hussain H. Al-Kayiem & Korada V. Sharma & Mostafa Ghasemi, 2020. "State of the Art of Techno-Economics of Nanofluid-Laden Flat-Plate Solar Collectors for Sustainable Accomplishment," Sustainability, MDPI, vol. 12(21), pages 1-52, November.
    3. Ghasemi, Mostafa & Wan Daud, Wan Ramli & Alam, Javed & Ilbeygi, Hamid & Sedighi, Mehdi & Ismail, Ahmad Fauzi & Yazdi, Mohammad H. & Aljlil, Saad A., 2016. "Treatment of two different water resources in desalination and microbial fuel cell processes by poly sulfone/Sulfonated poly ether ether ketone hybrid membrane," Energy, Elsevier, vol. 96(C), pages 303-313.
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    Cited by:

    1. Segundo Rojas-Flores & Magaly De La Cruz-Noriega & Luis Cabanillas-Chirinos & Renny Nazario-Naveda & Moisés Gallozzo-Cardenas & Félix Diaz & Emzon Murga-Torres, 2023. "Potential Use of Coriander Waste as Fuel for the Generation of Electric Power," Sustainability, MDPI, vol. 15(2), pages 1-10, January.
    2. Yaser Abdollahfard & Mehdi Sedighi & Mostafa Ghasemi, 2023. "A New Approach for Improving Microbial Fuel Cell Performance Using Artificial Intelligence," Sustainability, MDPI, vol. 15(2), pages 1-14, January.

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