https://scholars.lib.ntu.edu.tw/handle/123456789/408246
標題: | Effect of cathode types on long-term performance and anode bacterial communities in microbial fuel cells | 作者: | Zhang G. Wang K. Zhao Q. Jiao Y. Lee D.-J. |
關鍵字: | Biocathode;Cathode type;Long-term performance;Microbial community;Microbial fuel cells | 公開日期: | 2012 | 卷: | 118 | 起(迄)頁: | 249-256 | 來源出版物: | Bioresource Technology | 摘要: | Effects of cathode types on the long-term stability of microbial fuel cell (MFC) and the anodic microbial communities were studied using K 3Fe(CN) 6 catholyte (R1), air cathode (R2) and biocathode (R3) over a testing time of 400d. Upon 400d of testing, the maximum power densities (P max) of R1 and R2 decreased by 44% and 37%, and the Coulombic efficiencies (CEs) decreased 8.4% (R1) and 2.0% (R2), respectively, using the performances on 10d as the comparison basis. Conversely, the P max and CE of R3 increased by 68.2% and 116.8%, respectively. The non-ohmic resistances (R no) in all tests were the principal contributors of cell internal resistances. Phylogenetic analyses revealed that the microbial communities on anodic surface varied with cathode types and operational history. ? 2012 Elsevier Ltd. |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/408246 | ISSN: | 09608524 | DOI: | 10.1016/j.biortech.2012.05.015 |
顯示於: | 化學工程學系 |
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