MESSAI.iO

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The paper investigates the optimal interspatial electrode spacing for air-cathode microbial fuel cell operation with a membrane electrode assembly, finding that a spacing of 2-3 mm maximizes power output.

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What they did

System
MFC

What worked

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Abstract

Key findings

  • Increasing interspatial electrode spacing beyond 3 mm reduces power output due to decreased oxygen diffusion
  • A spacing of 2-3 mm balances oxygen diffusion and electrode surface area, optimizing power output
  • The optimal spacing is dependent on the membrane electrode assembly's properties and the specific MFC design

Keywords

CathodeElectrodeMicrobial fuel cellAnodePower densityPolarization (electrochemistry)

Identifiers

DOI
10.1016/j.bioelechem.2015.07.011
Journal
Bioelectrochemistry
Year
2015