Cover image of the article: Improvement of the Performance of Microbial Fuel Cells by Using a Graphite Plate Electrode Modified with Nickel for the Removal of Organic Matter from Wastewater and Simultaneous Bioelectricity Generation

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Improvement of the Performance of Microbial Fuel Cells by Using a Graphite Plate Electrode Modified with Nickel for the Removal of Organic Matter from Wastewater and Simultaneous Bioelectricity Generation

Authors

Fatemeh Mahmoodzadeh1, 2, Nahid NavidjouyNahid Navidjouy ORCID2, 3,*, Saber Alizadeh4, Mostafa RahimnejadMostafa Rahimnejad ORCID5
1Student Research Committee, Urmia University of Medical Sciences, Urmia, Iran
2Department of Environmental Health Engineering, School of Public Health, Urmia University of Medical Sciences, Urmia, Iran
3Social Determinants of Health Research Center, Clinical Research Institute, Urmia University of Medical Sciences, Urmia, Iran
4Faculty of Chemistry, Bu-Ali-Sina University, Hamedan, Iran
5Department of Chemical Engineering, Biofuel and Renewable Energy Research Center, Babol Noshirvani University of Technology, Babol, Iran
*Corresponding Author: Social Determinants of Health Research Center, Clinical Research Institute, Urmia University of Medical Sciences, Urmia, Iran. Email: n.navidjouy@gmail.com

Koomesh:Vol. 27, issue 3; e154751
Published online:Jul 02, 2025
Article type:Research Article
How to Cite:Mahmoodzadeh F, Navidjouy N, Alizadeh S, Rahimnejad M. Improvement of the Performance of Microbial Fuel Cells by Using a Graphite Plate Electrode Modified with Nickel for the Removal of Organic Matter from Wastewater and Simultaneous Bioelectricity Generation. koomesh. 2025;27(3):e154751. doi: https://doi.org/10.69107/koomesh-154751

Abstract

Background: Microbial fuel cells (MFCs) are an innovative and environmentally friendly process for wastewater treatment and
simultaneous bioenergy production. Using nickel nanoparticles for surface modification of electrodes can enhance the efficiency
of this process in power generation and wastewater treatment.
Objectives: This study aimed to investigate the effect of modifying the anode electrode with nickel nanoparticles on bioenergy
production and the removal of organic matter from wastewater using an MFC system.
Methods: A two-chamber MFC equipped with graphite plate anode electrodes and nickel-modified graphite plate electrodes was
set up under constant temperature and operational conditions. The maximum voltage, current density, and power density, as well
as the efficiency of organic matter removal from wastewater, were examined.
Results: The efficiency of the MFC process in energy production and organic matter removal improved with the use of a nickelmodified
graphite plate compared to a graphite plate. Consequently, the maximum voltage, power density, and current density
achieved with nickel-modified flat graphite were 422 mV, 106.58 mW/m², and 730 mA/m², respectively. Additionally, the maximum
chemical oxygen demand (COD) removal efficiency reached %80 after 24 hours. However, with graphite plate electrodes, the COD
removal efficiency decreased to %76.
Conclusion: The results showed that the use of nickel nanoparticles in anode surface modification, due to their compatibility
with the biofilm layer, can enhance the efficiency of MFCs as a suitable technology for bioenergy production and the treatment of
municipal and industrial wastewater containing organic pollutants.

Highlights

References

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Copyright

© 2025, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited.

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