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Published on: July 11, 2012
Effect of β-cyclodextrin/polydopamine composite modified anode on the performance of microbial fuel cell
Liping Fan1,2, Yaobin Xi3,4
1Key Laboratory of Collaborative Control and Optimization Technology of Industrial Environment and Resource of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, 110142, China. fanliping@syuct.edu.cn.
Abstract:
The relatively weak microbial adhesion is a bottleneck in improving the power generation performance of microbial fuel cell (MFC). Anode modification is a simple and effective method to solve this problem. A new type of β-cyclodextrin/polydopamine modified carbon felt anode was prepared, and the effects of β-cyclodextrin/polydopamine modified anode on the main performance indexes such as power density and chemical oxygen demand (COD) removal rate of MFC were evaluated. The maximum power density and the output electric energy during the test period of MFC using the modified anode were 102 mW/m2 and 84.96 J, which were 364% and 295.3% higher than those of MFC with conventional carbon felt anode, respectively; and the COD removal rate was 124.4% higher than that of MFC with unmodified anode. Modifying the anode with β-cyclodextrin-polyacyclic composite materials is an effective method to improve the overall performance of MFC.
