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    題名: Performance Analysis of Twin Stack Direct Methanol Fuel Cells with Hydrophilic and Hydrophobic Anode Channels
    作者: Yarn, Kao-Feng;Pan, Yu-Jen;Huang, Kuo-Yi;Luo, Win-Jet;Chen, Chun-Nan
    貢獻者: 淡江大學物理學系
    關鍵詞: Performance Analysis;Fuel Cell
    日期: 2013-04
    上傳時間: 2014-02-20 15:27:46 (UTC+8)
    出版者: Valencia: American Scientific Publishers
    摘要: In this study, the materials of polymethyl methacrylate (PMMA) with hydrophilic properties and polydimethylsiloxane (PDMS) with hydrophobic properties were used to form the anode cannels of direct methanol fuel cells (DMFCs). The channels of the DMFCs were fabricated through a microelectromechanical system (MEMS) fabrication process. Two DMFCs were stacked together with a common cathode channel to reduce the volume of the cell and form a twin stack DMFC. The performance of the twin stack DMFC was investigated under different operating conditions, including operation temperature and flow rate. The twin stack DMFC with an anode channel made of PDMS possessed better performance under any specific operating conditions tested in comparison to the DMFC with PMMA anode channel. However, an increase in operation temperature and fuel flow rate resulted in decreased a hydro-resistance reduction effect of PDMS and performance enhancement of the PDMS DMFC was not obvious in high temperature and high flow rate operating conditions. For the PDMS DMFC, the maximum power densities of the stack can be enhanced 70∼80% in comparison to single cells under tested operating conditions.
    關聯: Journal of Biobased Materials and Bioenergy 7(2), pp.184-188
    DOI: 10.1166/jbmb.2013.1340
    顯示於類別:[物理學系暨研究所] 期刊論文

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