Enhanced performance of an air-cathode microbial fuel cell with oxygen supply from an externally connected algal bioreactor
- Authors
- Kakarla, Ramesh; Kim, Jung Rae; Jeon, Byong Hun; Min, Booki
- Issue Date
- Nov-2015
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Air-cathode microbial fuel cell; Algae bioreactor; Cell voltage; Cathode potential; Oxygen supply
- Citation
- BIORESOURCE TECHNOLOGY, v.195, pp.210 - 216
- Indexed
- SCIE
SCOPUS
- Journal Title
- BIORESOURCE TECHNOLOGY
- Volume
- 195
- Start Page
- 210
- End Page
- 216
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/155988
- DOI
- 10.1016/j.biortech.2015.06.062
- ISSN
- 0960-8524
- 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.
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Collections - 서울 공과대학 > 서울 자원환경공학과 > 1. Journal Articles
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