Dual functional rGO/Fe3O4/PANI nanocomposite anodes for enhanced performance of microbial fuel cells

March 18, 2026Scientific ReportsOpen Access

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Key Points

The aim is to develop an efficient anode material for microbial fuel cells that enhances bioelectricity generation and heavy metal remediation.
Developed dual chamber microbial fuel cells using biomass-derived rGO as anode material.
Fabricated E-rGO/Fe3O4/PANI nanocomposite anode for improved performance.
Characterized structural, morphological, and electrochemical properties using various spectroscopic techniques.
Evaluated heavy metal removal efficiencies of Cr (VI) and Pb (II) from wastewater.
Achieved Cr (VI) and Pb (II) removal efficiencies of 88% and 86%, respectively, with E-rGO/Fe3O4/PANI anode.
Generated a maximum power density of 65 mW m−2 and a current density of 1312 mA m−2.
Showed significant improvement in performance compared to pristine E-rGO, which had 74% and 68% removal efficiencies.

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Evaluates a dual chamber microbial fuel cell that improves bioelectricity generation and heavy metal removal using novel anodes.

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Weldegrum et al. (2026) studied this question.

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