Journal
BIOSENSORS & BIOELECTRONICS
Volume 26, Issue 5, Pages 1975-1979Publisher
ELSEVIER ADVANCED TECHNOLOGY
DOI: 10.1016/j.bios.2010.08.061
Keywords
Microbial fuel cell; Prussian Blue; Polyaniline; Modified electrode; Oxygen reduction
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Funding
- Fundamental Research Funds for the Central Universities [HIT.NSRIF.2009114]
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This study focuses on the preparation of a new type of Prussian Blue/polyaniline (PB/PANI)-modified electrode as oxygen reduction cathode, and its availability in microbial fuel cell (MFC) for biological power generation. The PB/PANI-modified electrode was prepared by electrochemical and chemical methods, both of which exhibited good electrocatalytical reactivity for oxygen reduction in acidic electrolyte. The MFC with PB/PANI-modified cathode aerated by either oxygen or air was shown to yield a maximum power density being the same with that of the MFC with liquid-state ferricyanide cathode, and have an excellent duration as indicated by stable cathode potential for more than eight operating circles. This study suggests a promising potential to utilize this novel electrode as an effective alternative to platinum for oxygen reduction in MFC system without losing sustainability. (C) 2010 Elsevier B.V. All rights reserved.
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