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Application of anion exchange ionomer for oxygen reduction catalysts in microbial fuel cells

Lookup NU author(s): Professor Eileen Yu, Dr Richard Burkitt, Xu Wang, Emeritus Professor Keith Scott


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A hydrophilic anion exchange ionomer (AEI), quaternary 1,4-diazabicyclo-[2.2.2]-octane (DABCO) polysulphone (QDPSU) was synthesised and applied to microbial fuel cells (MFCs) as the cathode catalyst binder for the first time. The electrochemical characterisations from half cell tests showed improved oxygen reduction activity from QDPSU compared to Nafion, due to the interaction between the ionomer and oxygen, and improved OH− transfer. The maximum power output of 0.340W m−2 was obtained from MFC polarisation carried out in wastewater using QDPSU, which was largely improved compared to using Nafion binder. From this study, low cost AEI QDPSU demonstrates promising applications on improving MFC power output by enhancing cathode ORR performance.

Publication metadata

Author(s): Yu EH, Burkitt R, Wang X, Scott K

Publication type: Article

Publication status: Published

Journal: Electrochemistry Communications

Year: 2012

Volume: 21

Pages: 30-35

Print publication date: 16/05/2012

ISSN (print): 1388-2481

ISSN (electronic): 1873-1902

Publisher: Elsevier Inc.


DOI: 10.1016/j.elecom.2012.05.011


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