Table 2
Comparison between Microbial Fuel Cells (MFCs) and Microalgae-Microbial Fuel Cells (M-MFCs).
| Feature | Microbial Fuel Cell (MFC) | Microalgae-Microbial Fuel Cell (M-MFC) |
|---|---|---|
| Electricity generation | Converts organic matter into electricity using microorganisms | Utilizes microalgae to generate electricity through photosynthesis and microbial metabolism |
| Wastewater treatment | Capable of remediating wastewater | Offers simultaneous wastewater treatment and electricity generation |
| Oxygen source | Relies on external aeration or oxygen supply | Microalgae provide oxygen through photosynthesis, reducing the need for external aeration |
| Electron donor | Organic matter present in wastewater | Microalgae biomass serves as an electron donor |
| Cathode catalyst | Typically utilize platinum or other catalysts for oxygen reduction reaction | Utilize microalgae-produced oxygen for the reduction reaction at the cathode |
| Energy efficiency | Lower energy efficiency due to reliance on organic matter degradation | Higher energy efficiency due to direct utilization of photosynthetic energy |
| Environmental impact | Requires external energy input for aeration, potentially contributing to environmental footprint | Reduces environmental impact by utilizing renewable energy sources and offering simultaneous wastewater treatment |
| Scalability | Limited scalability for large-scale applications | Potential for scalability due to enhanced efficiency and versatility |
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