The influential role of external electrical load in microbial fuel cells and related improvement strategies: A review.

Bioelectrochemistry

Research Group on Bioengineering, Membrane Technology and Energetics, University of Pannonia, Egyetem ut 10, 8200 Veszprém, Hungary. Electronic address:

Published: August 2021

AI Article Synopsis

  • The review focuses on how the external electrical load (EEL) affects the performance of microbial fuel cells (MFCs), examining various factors such as efficiency, electrode potential shifts, and biofilm formation.
  • It highlights the importance of optimizing EEL for enhancing MFC functionality by analyzing different control strategies.
  • The paper gathers and evaluates guidelines to support the effective regulation of EEL in MFC design and operation.

Article Abstract

The scope of the currentreviewis to discuss and evaluate the role of the external electrical load/resistor (EEL) on the overall behavior and functional properties of microbial fuel cells (MFCs). In this work, a comprehensive analysis is made by considering various levels of MFC architecture, such as electric and energy harvesting efficiency, anode electrode potential shifts, electro-active biofilm formation, cell metabolism and extracellular electron transfer mechanisms, as a function of the EEL and its control strategies. It is outlined that taking the regulation of EEL into account at MFC optimization is highly beneficial, and in order to support this step, in this review, a variety of guidelines are collected and analyzed.

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Source
http://dx.doi.org/10.1016/j.bioelechem.2021.107749DOI Listing

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