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Characterization of Catalytic Conducting Polymer Electrodes in Biofuel Devices

Published online by Cambridge University Press:  01 March 2018

Keiichi Kaneto ,
Mao Nishikawa  and
Sadahito Uto
Keiichi Kaneto*
Affiliation:
Department of Biomedical Engineering, Osaka Institute of Technology, Osaka, 535-8585, JAPAN
Mao Nishikawa
Affiliation:
Department of Biomedical Engineering, Osaka Institute of Technology, Osaka, 535-8585, JAPAN
Sadahito Uto
Affiliation:
Department of Biomedical Engineering, Osaka Institute of Technology, Osaka, 535-8585, JAPAN
*
*(Email: keiichi.kaneto@oit.ac.jp)
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Abstract

Catalytic activity of conducting polymers in biofuel cells has been studied in comparison with the performance of Pt-black (Pt-B). The cells were direct and passive type with structure of biofuel/anode catalyst/Nafion®/cathode catalyst/air. Conducting polymers of polyaniline, polypyrrole and poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT*PSS) were examined for the anode and cathode catalysts. L-ascorbic acid was used as the biofuel, and the Nafion® was served as a proton transfer membrane. In the standard Pt-B anode/Pt-B cathode cell, the typical Voc (open circuit voltage) = 0.52 V, ISC (short circuit current) = 8 mA/cm2 and the Pmax (maximum power density) of approximately 0.8 mW/cm2 were obtained. In a cell with catalysts of PEDOT*PSS anode/Pt-B cathode, Voc = 0.55 V and the maximum power density of 1.2 mW/cm2 were obtained, which were larger than that of the standard Pt-B/Pt-B cell. Polyaniline and Polypyrrole were also found to be a potential candidate for catalysts in biofuel cells.

Keywords

biofuel cellconducting polymercatalystascorbic acidoutput power
Type
Articles
Information
MRS Advances , Volume 3 , Issue 22: Energy and Sustainability , 2018 , pp. 1235 - 1241
Copyright
Copyright © Materials Research Society 2018 

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References

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