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Microbial fuel cell biofilm characterization with thermogravimetric analysis on bare and polyethyleneimine surface modified carbon foam anodes

Authors
Journal
Journal of Power Sources
0378-7753
Publisher
Elsevier
Publication Date
Volume
210
Identifiers
DOI: 10.1016/j.jpowsour.2012.03.022
Keywords
  • Microbial Fuel Cell
  • Thermogravimetric Analysis
  • Polyethyleneimine
Disciplines
  • Earth Science

Abstract

Abstract Thermogravimetric analysis (TGA) of microbial biofilms on bare and polyethyleneimine (PEI) surface modified carbon foam is described. PEI-modified carbon foam was incorporated into a microbial fuel cell (MFC) as the anode, inoculated with electrogenic bacteria, and the voltage and power outputs were monitored over five weeks. The results were compared to MFCs containing unmodified carbon foam anodes. Biofilm formation was investigated by scanning electron microscopy and TGA. TGA is presented as a new method to assess the relative amounts of biofilm on an electrode surface.

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