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Double-chamber microbial fuel cells started up under room and low temperatures

  • Lihong Liu
  • , Olga Tsyganova
  • , Duu Jong Lee*
  • , Jo Shu Chang
  • , Aijie Wang
  • , Nanqi Ren
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • National Taiwan University
  • National Taiwan University of Science and Technology
  • National Cheng Kung University

Research output: Contribution to journalArticlepeer-review

Abstract

This study examined the performances of two double-chamber microbial fuel cells (MFCs) at 25 C and 15 C. After successful startup, the cell temperature of MFC A was decreased from 25 to 15 C, yielding a sudden breakdown of the entire system. Conversely, the MFC B, started up at 15 C, delivering higher power density at 25 C than MFC A at the same temperature. The electrochemical analysis revealed that the MFC B had lower anodic resistance than MFC A. Additionally, a negative temperature dependence of the polarization resistances of the anodic biofilm was noted, a novel phenomenon only reported in this double-chambered study. Microbial analysis showed that the psychrophilic bacteria were enriched in anodic biofilms of MFC B, which likely contributed to the robust cell performance of the present double-chambered MFCs.

Original languageEnglish
Pages (from-to)15574-15579
Number of pages6
JournalInternational Journal of Hydrogen Energy
Volume38
Issue number35
DOIs
StatePublished - 22 Nov 2013

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Anodic biofilm
  • Microbial community
  • Microbial fuel cell (MFC)
  • Psychrophilic bacteria

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