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Microbial Fuel Cells (MFCs) generate electricity from organic waste substrates, offering dual benefits of wastewater treatment and bioelectricity production.

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Representative MFC — matched on the paper’s system type only, not its reactor or geometry.

Extraction

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What they did

System
MFC

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Abstract

Microbial Fuel Cells (MFCs) have emerged as a compelling technological advancement that utilizes microbial metabolic processes to produce electricity from organic waste substrates. This review examines the latest advancements, prevailing challenges, and prospective developments of MFCs in relation to renewable energy generation and ecological sustainability. MFCs present a dual benefit by facilitating wastewater treatment while concurrently generating bioelectricity, thereby rendering them appealing for decentralized energy frameworks and waste management strategies. Recent progress in the fields of genetic engineering and synthetic biology has culminated in the development of optimized microbial strains and improved biofilm stability, which significantly enhances the efficiency of electron transfer. Innovations in electrode materials, including carbon nanotubes and graphene, have further augmented the performance metrics of these systems. Nevertheless, obstacles persist in augmenting power output, minimizing material costs, and scaling MFCs for larger industrial applications. This review also elucidates the environmental and economic implications of MFCs, particularly their capacity to mitigate carbon emissions and generate financial savings in the domain of wastewater treatment. Lastly, we delineate future research trajectories, concentrating on synthetic biology, hybrid renewable systems, and commercialization strategies that will catalyze the scalability and wider acceptance of MFC technology. The prospects for MFCs are indeed promising, providing innovative solutions to the pressing global challenges of energy production and waste management.

Key findings

  • Recent progress in genetic engineering and synthetic biology has improved microbial strains and biofilm stability, enhancing electron transfer efficiency.
  • Innovations in electrode materials, such as carbon nanotubes and graphene, have augmented MFC performance metrics.
  • Obstacles persist in augmenting power output, minimizing material costs, and scaling MFCs for larger industrial applications.

Keywords

Microbial fuel cellCurrent (fluid)Biochemical engineeringFuel cellsBioelectrochemistry

Identifiers

DOI
10.22214/ijraset.2024.64299
Journal
International Journal for Research in Applied Science and Engineering Technology
Year
2024