Journal
BIORESOURCE TECHNOLOGY
Volume 102, Issue 1, Pages 372-375Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2010.05.090
Keywords
Bioelectricity; Bioelectrochemical; Microbial fuel cell; Biofuels; Separators
Funding
- King Abdullah University of Science and Technology (KAUST) [KUS-l1-003-13]
- US National Science Foundation [CBET-0730359]
- 863 Project in China [2006AA06Z329]
- Programme of Introducing Talents of Discipline to Universities in China [B07002]
- China Scholarship Council (CSC)
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The combined use of brush anodes and glass fiber (GF1) separators, and plastic mesh supporters were used here for the first time to create a scalable microbial fuel cell architecture. Separators prevented short circuiting of closely-spaced electrodes, and cathode supporters were used to avoid water gaps between the separator and cathode that can reduce power production. The maximum power density with a separator and supporter and a single cathode was 75 +/- 1 W/m(3). Removing the separator decreased power by 8%. Adding a second cathode increased power to 154 +/- 1 W/m(3). Current was increased by connecting two MFCs connected in parallel. These results show that brush anodes, combined with a glass fiber separator and a plastic mesh supporter, produce a useful MFC architecture that is inherently scalable due to good insulation between the electrodes and a compact architecture. (C) 2010 Elsevier Ltd. All rights reserved.
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