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A 12-unit microbial fuel cell showed changes in microbial community diversity during voltage reversal repair, with a shift towards more efficient electron transfer and increased power output.

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What they did

System
MFC

What worked

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Abstract

Key findings

  • Voltage reversal repair led to a significant increase in power output and a shift in microbial community composition.
  • The microbial community diversity changed during the repair process, with an increase in the abundance of certain species and a decrease in others.
  • The changes in microbial community diversity were correlated with changes in the electrode surface and the presence of certain ions.

Keywords

BiofilmMicrobial fuel cellMicrobial population biologyCommunity structureStack (abstract data type)Voltage

Identifiers

DOI
10.1016/j.cej.2022.137334
Journal
Chemical Engineering Journal
Year
2022