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Performance Comparison of Different Cathode Strategies on Air-Cathode Microbial Fuel Cells: Coal Fly Ash as a Cathode Catalyst

Asimina Tremouli / Pavlos K. Pandis / Theofilos Kamperidis / Christos Argirusis / Vassilis N. Stathopoulos / Gerasimos Lyberatos

The effect of different cathode strategies (mullite/MnO₂, Plexiglas/Gore-Tex/MnO₂, mullite/coal fly ash, mullite/biochar, mullite/activated carbon) on the performance of air-cathode microbial fuel cells (MFCs) was investigated. The highest maximum power output was observed using MnO₂ catalyst pasted on Gore-Tex cloth (7.7 mW/m³), yet the highest coulombic efficiencies (CEs) were achieved using MnO₂ (CE 23.5 ± 2.7%) and coal fly ash (CE 20 ± 3.3%) pasted on ceramic. The results showed that the utilization of coal fly ash and biochar as catalysts in MFC technology can be a sustainable and cost-effective solution.

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Performance Comparison of Different Cathode Strategies on Air-Cathode Microbial Fuel Cells: Coal Fly Ash as a Cathode Catalyst

Asimina Tremouli / Pavlos K. Pandis / Theofilos Kamperidis / Christos Argirusis / Vassilis N. Stathopoulos / Gerasimos Lyberatos

The effect of different cathode strategies (mullite/MnO₂, Plexiglas/Gore-Tex/MnO₂, mullite/coal fly ash, mullite/biochar, mullite/activated carbon) on the performance of air-cathode microbial fuel cells (MFCs) was investigated. The highest maximum power output was observed using MnO₂ catalyst pasted on Gore-Tex cloth (7.7 mW/m³), yet the highest coulombic efficiencies (CEs) were achieved using MnO₂ (CE 23.5 ± 2.7%) and coal fly ash (CE 20 ± 3.3%) pasted on ceramic. The results showed that the utilization of coal fly ash and biochar as catalysts in MFC technology can be a sustainable and cost-effective solution.

Performance Comparison of Different Cathode Strategies on Air-Cathode Microbial Fuel Cells: Coal Fly Ash as a Cathode Catalyst

Asimina Tremouli / Pavlos K. Pandis / Theofilos Kamperidis / Christos Argirusis / Vassilis N. Stathopoulos / Gerasimos Lyberatos

The effect of different cathode strategies (mullite/MnO₂, Plexiglas/Gore-Tex/MnO₂, mullite/coal fly ash, mullite/biochar, mullite/activated carbon) on the performance of air-cathode microbial fuel cells (MFCs) was investigated. The highest maximum power output was observed using MnO₂ catalyst pasted on Gore-Tex cloth (7.7 mW/m³), yet the highest coulombic efficiencies (CEs) were achieved using MnO₂ (CE 23.5 ± 2.7%) and coal fly ash (CE 20 ± 3.3%) pasted on ceramic. The results showed that the utilization of coal fly ash and biochar as catalysts in MFC technology can be a sustainable and cost-effective solution.

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Title:

Performance Comparison of Different Cathode Strategies on Air-Cathode Microbial Fuel Cells: Coal Fly Ash as a Cathode Catalyst

Contributors:

Asimina Tremouli (author) / Pavlos K. Pandis (author) / Theofilos Kamperidis (author) / Christos Argirusis (author) / Vassilis N. Stathopoulos (author) / Gerasimos Lyberatos (author)

Published in:

Water, Vol 15, Iss 5, p 862 (2023)

Publication date:

2023

ISSN:

DOI:

https://doi.org/10.3390/w15050862

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

Unknown

Keywords:

microbial fuel cell , fly ash , biochar , MnO<sub>2</sub> , activated carbon , ceramic , Hydraulic engineering , TC1-978 , Water supply for domestic and industrial purposes , TD201-500

Metadata by DOAJ is licensed under CC BY-SA 1.0

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