MESSAI.iO

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A disposable paper-based microbial fuel cell was developed, and its performance was optimized by varying the concentration of activated carbon powder and potassium ferricyanide.

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

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What they did

System
MFC

What worked

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Abstract

In this letter, a disposable micropower source was developed by integrating a microbial fuel cell (MFC) in filter paper. The paper‐based MFC could harvest electrical energy generated by Escherichia coli during the metabolic process. The air‐dried biofilm anode was activated by water for on‐demand electricity generation. This study aimed to optimize the anodic and cathodic materials for maximization of the MFC performance. The concentration of activated carbon powder in the anode and potassium ferricyanide in the cathode were optimized. The paper‐based MFC with the optimum anode and cathode generated a maximum power density of 8.4 µW/cm 2 . © 2019 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.

Key findings

  • The maximum power density of the optimized MFC was 8.4 µW/cm².
  • The air-dried biofilm anode was activated by water for on-demand electricity generation.
  • The use of activated carbon powder and potassium ferricyanide in the anode and cathode, respectively, was found to be optimal for MFC performance.

Keywords

Microbial fuel cellAnodeMicropowerCathodePower densityPotassium ferricyanide

Identifiers

DOI
10.1002/tee.23058
Journal
IEEJ Transactions on Electrical and Electronic Engineering
Year
2019