Revisiting Current Trends in Electrode Assembly and Characterization Methodologies for Biofilm Applications

Microbial fuel cell (MFC) is a sustainable technology resulting from the synergism between biotechnology and electrochemistry, exploiting diverse fundamental aspects for the development of numerous applications, including wastewater treatment and energy production. Nevertheless, these devices curren...

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Bibliographic Details
Published in:Surfaces (Basel) 2023-01, Vol.6 (1), p.2-28
Main Authors: Estudillo-Wong, Luis Alberto, Guerrero-Barajas, Claudia, Vázquez-Arenas, Jorge, Alonso-Vante, Nicolas
Format: Article
Language:English
Subjects:
Assembling
assembly methods
Biochemical fuel cells
biofilm
Biofilms
Chemical vapor deposition
Cost control
Electricity
Electrochemistry
Electrode materials
Electrodes
Electron transfer
energy production
Metals
microbial fuel cell
Microorganisms
Morphology
Nanomaterials
Nanowires
Pollutants
wastewater
Wastewater treatment
Water treatment
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Summary:Microbial fuel cell (MFC) is a sustainable technology resulting from the synergism between biotechnology and electrochemistry, exploiting diverse fundamental aspects for the development of numerous applications, including wastewater treatment and energy production. Nevertheless, these devices currently present several limitations and operational restrictions associated with their performance, efficiency, durability, cost, and competitiveness against other technologies. Accordingly, the synthesis of nD nanomaterials (n = 0, 1, 2, and 3) of particular interest in MFCs, methods of assembling a biofilm-based electrode material, in situ and ex situ physicochemical characterizations, electrochemistry of materials, and phenomena controlling electron transfer mechanisms are critically revisited in order to identify the steps that determine the rate of electron transfer, while exploiting novel materials that enhance the interaction that arises between microorganisms and electrodes. This is expected to pave the way for the consolidation of this technology on a large scale to access untapped markets.
ISSN:2571-9637
2571-9637
DOI:10.3390/surfaces6010002