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Photocoupled Bioanode: A New Approach for Improved Microbial Fuel Cell Performance

Title
Photocoupled Bioanode: A New Approach for Improved Microbial Fuel Cell Performance
Authors
Kim, Hyeon WooLee, Kyung SukRazzaq, AbdulLee, Sung HyunGrimes, Craig A.In, Su Il
DGIST Authors
In, Su Il
Issue Date
2018-02
Citation
Energy Technology, 6(2), 257-262
Type
Article
Article Type
Article
Keywords
TIO2 NANOTUBE ARRAYSELECTRICITY-GENERATIONELECTRON-TRANSFERBIOELECTRICITY GENERATIONPHOTOCATALYTIC REDUCTIONNANOWIRE PHOTOCATHODEGRAPHENE OXIDEWATER-VAPORWASTE-WATERCARBON
ISSN
2194-4288
Abstract
Microbial fuel cells (MFCs) received considerable attention because of their ability to provide dual advantages of electricity generation and wastewater treatment. However, their performance is primarily limited by the slow oxygen reduction reaction (ORR). To alleviate this problem, we describe a hybrid MFC in which a conventional bioanode is coupled with a TiO2 photoanode. The photocatalytic photoanode utilizes light to provide additional photogenerated electrons to the external circuit of the MFC, which promotes the ORR, as confirmed by power density curves and electrochemical impedance spectra, resulting in improved power generation (1284±20 mW m−2) compared to that of a normal MFC (850±12 mW m−2). Furthermore, the ability of the TiO2 photoanode to reduce CO2 to methane is demonstrated. © 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
URI
http://hdl.handle.net/20.500.11750/5917
DOI
10.1002/ente.201700177
Publisher
Wiley-VCH Verlag
Related Researcher
  • Author In, Su Il Green and Renewable Energy for Endless Nature(GREEN) Lab
  • Research Interests CO2 conversion to hydrocarbon fuels; Water splitting for hydrogen generation; Quantum dot devices; Dye sensitized solar cells; Environmental remediation; Synthesis of functional nanomaterials; CO2 연료전환; 수소생산을 위한 광전기화학적 물분해; 양자점 태양전지; 염료감응 태양전지; 공해물질 저감연구; 기능성 나노소재 개발
Files:
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Collection:
Department of Energy Science and EngineeringGreen and Renewable Energy for Endless Nature(GREEN) Lab1. Journal Articles


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