The effect of Nafion membrane fouling on the power generation of a microbial fuel cell

Sami G.A. Flimban, Sedky H.A. Hassan, Md Mukhlesur Rahman, Sang Eun Oh*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

46 Citations (Scopus)

Abstract

Microbial fuel cells (MFCs) are the most useful technologies for energy production and wastewater treatment due to their low cost and support of the environment. In this study, the membrane fouling and their effects on power generation were investigated using scanning electron microscope (SEM). Results demonstrate that proton exchange membrane (PEM) was affected by biofouling in a two-chamber H-type MFC, which would significantly affect coulombic efficiencies (CEs), and maximum power densities leading to reduced power generation. The power densities of both rice straw and potato peels were 119.35 mW/m2 and 152.55 mW/m2, respectively. Scanning Electron Microscope (SEM) showed substantial accumulation of bacteria and their end-products forming a thick biofilm on the surface of PEM leading to a decrease, if not, preventing the passage of protons from the anode side toward the cathode side. The decline in power generation may result mainly from the biofouling, not of electrodes but, of PEM membrane from both sides (Anode and Cathode) because of improper regular PEM cleaning.

Original languageEnglish
Pages (from-to)13643-13651
Number of pages9
JournalInternational Journal of Hydrogen Energy
Volume45
Issue number25
DOIs
Publication statusPublished - May 7 2020
Externally publishedYes

Keywords

  • Bioelectricity
  • Membrane fouling
  • Microbial fuel cell
  • Nafion membrane
  • Potato peels
  • Rice straw

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

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