Journal of Korean Society of Water and Wastewater (상하수도학회지)

The Korean Society of Water and Wastewater (대한상하수도학회)
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Effects of anode surface area and methylene blue dye treatment on the power density of microbial fuel cell with sponge and carbon nano tube electrode

음극 전극 표면적과 메틸렌블루 염색이 스펀지 탄소나노 튜브 전극 미생물 연료전지의 전력수율에 미치는 영향

  • 이채영 (수원대학교 토목공학과) ;
  • 박수희 (수원대학교 토목공학과) ;
  • 송영채 (한국해양대학교 환경공학과) ;
  • 우정희 (한국해양대학교 환경공학과) ;
  • 유규선 (전주대학교 토목환경공학과) ;
  • 정재우 (경남과학기술대학교 환경공학과) ;
  • 한선기 (한국방송통신대학교 환경보건학과)
  • Received : 2012.11.18
  • Accepted : 2012.12.10
  • Published : 2012.12.15
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Abstract

Anode electrode is one of the most important factors in microbial fuel cell (MFC). This study was conducted to investigate the effects of mediator as methylene blue (MB) and electrode surface area on the power density of MFC with sponge and carbon nano tube (CNT) electrode (SC). The SC electrode with MB (MC) showed the maximum power density increased from 74.0 $mW/m^2$ to 143.1 $mW/m^2$. The grid shaped sponge and CNT (GSC) electrode showed the maximum power density of 209.2 $mW/m^2$ due to the increase of surface area from 88.0 to 152.0 $cm^2$. The GSC electrode with MB (GMC) revealed the maximum power density of 384.9 $mW/m^2$ which was 5.2 times higher than that obtained from the MFC with SC. Therefore MB and increase of surface area led to enhance the performance of microbial fuel cell such as power density.

Keywords

References

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