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Microbial fuel cells (MFCs) can generate electricity and treat wastewater, but their performance is limited by the cathode.

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

Extraction

Reported parameters

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What they did

System
MFC

What worked

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Abstract

Microbial fuel cell (MFC) has been attracting extensive interest, because it can be used for electricity generation and concurrently wastewater treatment. Yet, the MFC performance has remained limi...

Key findings

  • Nitrogen-doped carbon aerogels improve MFC performance by increasing power density and reducing internal resistance.
  • The air cathode catalysts of nitrogen-doped carbon aerogels enhance oxygen reduction reactions, leading to better MFC efficiency.
  • The use of nitrogen-doped carbon aerogels as air cathode catalysts in MFCs shows promise for wastewater treatment and electricity generation.

Keywords

Microbial fuel cellOverpotentialCatalysisCathodeCarbon fibersChemical engineering

Identifiers

DOI
10.1021/ACSSUSCHEMENG.8B05000
Journal
ACS Sustainable Chemistry & Engineering
Year
2019