Enhanced performance of an air-cathode microbial fuel cell with oxygen supply from an externally connected algal bioreactor

Title
Enhanced performance of an air-cathode microbial fuel cell with oxygen supply from an externally connected algal bioreactor
Authors
전병훈
Keywords
Air-cathode microbial fuel cell; Algae bioreactor; Cell voltage; Cathode potential; Oxygen supply
Issue Date
2015-11
Publisher
ELSEVIER SCI LTD
Citation
BIORESOURCE TECHNOLOGY, v. 195, Page. 210-216
Abstract
An algae bioreactor (ABR) was externally connected to air-cathode microbial fuel cells (MFCs) to increase power generation by supplying a high amount of oxygen to cathode electrode. The MFC with oxygen fed from ABR produced maximum cell voltage and cathode potential at a fixed loading of 459 mV and 10 mV, respectively. During polarization analysis, the MFC displayed a maximum power density of 0.63 W/m(2) (at 2.06 A/m(2)) using 39.2% O-2 from ABR, which was approximately 30% higher compared with use of atmospheric air (0.44 W/m2, 20.8% O-2,). The cyclic voltammogram analysis exhibited a higher reduction current of -137 mA with 46.5% O-2 compared to atmospheric air (-115 mA). Oxygen supply by algae bioreactor to air-cathode MFC could also maintain better MFC performance in long term operation by minimizing cathode potential drop over time. (C) 2015 Elsevier Ltd. All rights reserved.
URI
http://www.sciencedirect.com/science/article/pii/S0960852415008536?via%3Dihubhttp://hdl.handle.net/20.500.11754/29162
ISSN
0960-8524; 1873-2976
DOI
http://dx.doi.org/10.1016/j.biortech.2015.06.062
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ETC
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