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In relation to this article, we declare that there is no conflict of interest.
Publication history
Received September 9, 2024
Revised March 20, 2025
Accepted April 20, 2025
Available online July 25, 2025
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Most Cited

Performance of Single-Chamber Microbial Fuel Cells Based on the Air Cathode of Hydrophobicity of Carbon Black/Polytetrafl uoroethylene Gas Diff usion Layer

School of Environment and Ecology , Jiangnan University 1Jiangsu Key Laboratory of Anaerobic Biotechnology 2Jiangsu Cooperative Innovation Center of Technology and Material of Water Treatment 3College of Environmental Science and Engineering , Qilu University of Technology (Shandong Academy of Sciences)
hruicao@163.com
Korean Journal of Chemical Engineering, July 2025, 42(8), 000042
https://doi.org/10.1007/s11814-025-00468-3

Abstract

The eff ect of hydrophobicity of the gas diff usion layer on the performance of a single-chamber microbial fuel cell was

investigated. The R4 (3:1) reactor showed the best performance with a maximum power density of 1431 ± 80.3 mW m −2

and a coulombic effi ciency of 45%. Scanning electron microscopy revealed that the gap between carbon black particles

increased with decreasing PTFE ratio. Electrochemical analysis showed that the activated carbon/stainless-steel mesh/(CB/

PTFE) electrode performed the best with the highest current density of 8.09 A m −2 . High-performance recovery (88%) of the

contaminated electrode was achieved using lysozyme (5%) remediation method. In addition, the R4 (3:1) electrode was the

most suitable choice as an air cathode for SC-MFC, with a fabrication cost of 17.71 $ m −2 . In conclusion, this study provides

valuable insights into the preparation and optimization of air cathodes for MFCs, which can contribute to the development

of future MFC technologies.

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