Journal of Sensor Science and Technology (센서학회지)

The Korean Sensors Society (한국센서학회)
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Fabrication of Biofuel Cell Roll Using Flexible CNT Nanosheet Substrate

유연한 CNT Nanosheet 기판을 이용한 생체연료전지 Roll 제작

  • Sung, Jungwoo (Department of Mechanical Engineering, Pohang University of Science and Technology) ;
  • Lim, Geunbae (Department of Mechanical Engineering, Pohang University of Science and Technology)
  • 성중우 (포항공과대학교 기계공학과) ;
  • 임근배 (포항공과대학교 기계공학과)
  • Received : 2014.10.10
  • Accepted : 2014.11.17
  • Published : 2014.11.30
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Abstract

The most promising application of the biofuel cells is implantable devices, so the biofuel cells should have an appropriate shape for the vascular vessel. We demonstrated the biofuel cell roll for using in tubes. MWNTs were aggregated by vacuum filtration on a nitrocellulose membrane filter, which was biocompatible and flexible. The MWNT aggregated nitrocellulose membrane used the electrodes of the biofuel cells because it was conductive as well as nanostuructured. Then, the membrane was rolled into the roll shape. The maximum power density of the biofuel cell roll was $7.9{\mu}W/cm^2$ at 153mV and 50 mM glucose. Also, the power density is expected to increase in its practical application if there is flow in the tube, which makes the transportation of fuel easy. The biofuel cell roll contacts with the wall of the tube, so flow in the tube does not disturb. Also, the biofuel cell roll has multi-layers offering more electroactive area.

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References

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