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Microbial fuel cells: a comprehensive review for beginners.

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Microbial fuel cells (MFCs) offer solutions for energy, climate change, and wastewater. This review consolidates research on MFCs over the last two decades, guiding future implementation.

Keywords:
Alternate energyBioanodeBiocathodeMicrobial electrochemistryMicrobial electron transferMicrobial fuel cellsWastewater treatment

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Area of Science:

  • Environmental Science
  • Electrochemistry
  • Biotechnology

Background:

  • Microbial fuel cells (MFCs) address critical global issues: energy security, global warming, and wastewater management.
  • MFCs integrate natural and engineering sciences, attracting interdisciplinary research interest.
  • The growing body of MFC research necessitates consolidation of findings and identification of research gaps.

Purpose of the Study:

  • To provide a comprehensive overview of MFC research over the past two decades.
  • To guide researchers, especially beginners, to relevant reviews and significant MFC developments.
  • To identify areas requiring further research for practical MFC implementation.

Main Methods:

  • This study is a 'review of reviews,' synthesizing information from existing review articles.
  • It consolidates significant findings reported in research articles on MFCs.
  • The review identifies and highlights areas needing future research attention.

Main Results:

  • MFCs demonstrate significant potential for sustainable energy generation, carbon footprint reduction, and effective wastewater treatment.
  • A substantial volume of research has been published in the last 20 years, indicating a dynamic field.
  • Key areas for future research are identified to advance MFC technology towards practical application.

Conclusions:

  • MFC technology holds promise as a sustainable solution for multiple global challenges.
  • Consolidating existing research is crucial for guiding new investigations and accelerating progress.
  • Targeted research in specific areas will be essential for the successful real-world implementation of MFCs.