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Microbial Flow Fuel Cells (MFFCs) — Biofilm-free operation with flowing planktonic bacteria Eliminates mass transport limitations of conventional biofilm-based MFCs

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Redox-Mediated Flow Cellproxy topology
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Distribution

Reported parameters

The author’s reported value (▼) sits on top of the literature distribution from MESS-Parameters. Values outside the band are flagged as outliers.

Power density17.6mW/m²
Current density50A/m²
Open-circuit voltage0.78V
Coulombic efficiency82.4%

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What they did

System
MFC

What worked

No outcome metrics extracted yet.

Abstract

This breakthrough study presents a revolutionary flow-based microbial fuel cell design that eliminates biofilm limitations through redox mediator technology. Using planktonic Shewanella bacteria with artificial redox mediators, the system achieves extraordinary current densities exceeding 40 mA/cm². The flow configuration enables continuous operation with superior mass transfer, resulting in unprecedented power performance compared to traditional biofilm-based systems.

Key findings

  • Current density: >40 mA/cm²
  • Flow-based operation eliminates biofilm limitations
  • Planktonic Shewanella bacteria with redox mediators
  • Continuous operation capability
  • Superior mass transfer efficiency
  • Revolutionary breakthrough in MFC technology

Keywords

Microbial fuel cellRedoxBiofilmInternal resistancePower densityCurrent density

Identifiers

DOI
10.1038/s41467-024-52498-w
Journal
Nature Communications
Year
2024