Untreated vs. Treated Carbon Felt Anodes: Impacts on Power Generation in Microbial Fuel Cells
Abstract
:1. Introduction
2. Materials and Methods
2.1. Chemicals and Materials
2.2. Pretreatment and Modification of Carbon Felt-Based Anodes
2.3. Fabrication of Reference Electrodes
2.4. MFCs Configuration, Inoculation, and Operation
2.5. Electrochemical and SEM Characterization
3. Results and Discussion
3.1. Surface Morphology of CF Electrodes
3.2. Electrochemical Properties of Unmodified and Modified CF Electrodes
3.3. Performance of the MFC Equipped with Various Anode Materials
3.3.1. Biofilm Growth on Various CF-Based Anode Surfaces
3.3.2. Electrochemical Activity of the Developed Biofilms
3.3.3. Polarization Curves at Biofilm Maturation Conditions for Power Generation
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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CF | A-CF | CNF-SDBS@CF | CNF-SDBS@A-CF | CNF-CS@CF | CNF-CS@A-CF | |
---|---|---|---|---|---|---|
OCP (mV) | −520 | −540 | −530 | −535 | −520 | −520 |
Power density (Pmax) ± SD (W m−2) | 3.4 ± 0.3 | 2.9 ± 0.2 | 2.7 ± 0.2 | 2.6 ± 0.2 | 2.5 ± 0.2 | 2.4 ± 0.2 |
Current density (Jmax) ± SD (A m−2) | 26.2 ± 2.3 | 21 ± 1.8 | 17.4 ± 1.6 | 19.8 ± 1.8 | 16.5 ± 1.5 | 16.2 ± 1.4 |
No | Anode | Modification | MFC Configuration | OCP (mV) | JSC (A m−2) | Pmax (W m−2) | Ref. |
---|---|---|---|---|---|---|---|
1 | Carbon felt | PANI/m-WO3 a | Double-chamber MFC | 586 | 3.7 | 0.980 | [36] |
2 | Carbon felt | NiO@PANI b | Double-chamber MFC | 725 | 1.5 | 1.078 | [37] |
3 | NCNT c/sponge | CS-NCNT-PANI d | Double-chamber MFC | 779 | 6.6 | 1.891 | [27] |
4 | Carbon felt | GMC e | Double-chamber MFC | 800 | 0.3 | 0.070 | [38] |
5 | Carbon felt | Br-GO f | Double-chamber MFC | 630 | 1.0 | 0.240 | [39] |
6 | Carbon felt | P/MC g | Double-chamber MFC | 850 | 4.4 | 1.267 | [11] |
7 | Carbon felt | MnCo2O4 h | Double-chamber MFC | 780 | 3.5 | 0.945 | [40] |
8 | Carbon felt | NiFe2O4/MXene i | Double-chamber MFC | 925 | 3.5 | 1.385 | [41] |
9 | Graphite felt | PEDOT j | Double-chamber MFC | 1460 | 3.8 | 0.003 | [42] |
10 | Graphite felt | Ppy-NP k | Single-chamber MFC | 842 | 6.8 | 1.220 | [43] |
PTh-NP l | 644 | 2.2 | 0.800 | ||||
11 | Pristine plain graphite fiber brush | Double-chamber MFC | 760 | 7.6 | 2.35 | [8] | |
12 | Pristine carbon felt | Double-chamber MFC | 760 | 3.6 | 1.46 | [8] | |
13 | Pristine carbon felt | Single-chamber MFC | 550 | 26.2 | 3.4 | This work |
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Ghanam, A.; Cecillon, S.; Sabac, A.; Mohammadi, H.; Amine, A.; Buret, F.; Haddour, N. Untreated vs. Treated Carbon Felt Anodes: Impacts on Power Generation in Microbial Fuel Cells. Micromachines 2023, 14, 2142. https://doi.org/10.3390/mi14122142
Ghanam A, Cecillon S, Sabac A, Mohammadi H, Amine A, Buret F, Haddour N. Untreated vs. Treated Carbon Felt Anodes: Impacts on Power Generation in Microbial Fuel Cells. Micromachines. 2023; 14(12):2142. https://doi.org/10.3390/mi14122142
Chicago/Turabian StyleGhanam, Abdelghani, Sebastien Cecillon, Andrei Sabac, Hasna Mohammadi, Aziz Amine, François Buret, and Naoufel Haddour. 2023. "Untreated vs. Treated Carbon Felt Anodes: Impacts on Power Generation in Microbial Fuel Cells" Micromachines 14, no. 12: 2142. https://doi.org/10.3390/mi14122142