淡江大學機構典藏:Item 987654321/83695
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    题名: Characterization of the Pretreatment effect on a Direct Methanol Fuel Cell
    其它题名: 預處理對於直接甲醇燃料電池影響之特性
    作者: Kuan, Yean-Der;Chiang, Ming-Chien;Chang, Jing-Yi;Lee, Shi-Min
    贡献者: 淡江大學航空太空工程學系
    关键词: direct methanol fuel cell;pretreatment;membrane electrolyte assembly;electrochemical impedance spectroscopy
    日期: 2011-08
    上传时间: 2013-03-20 16:54:26 (UTC+8)
    出版者: 臺南市:中國機械工程學會
    摘要: Membrane electrode assembly (MEA) structures include a polymer electrolyte membrane, anode catalyst, anode diffusion layer, cathode catalyst, and a cathode diffusion layer. The MEA is the core of the direct methanol fuel cell (DMFC), where the electrochemical reaction occurs. Specifically, the MEA significantly affects fuel cell performance. Thus, MEA pretreatment is important as it helps to stabilize MEA performance. The pretreatment process changes the electrode structure and enhances the polymer electrolyte hydration, igniting the electrochemical reaction and reducing the resistance. This research investigates two MEA designs: Sample 1 adopts the carbon cloth GDL while Sample 2 adopts the carbon paper GDL. After pretreatment, the polarization curve and electrochemical impedance spectroscopy (EIS) measurements were taken for each MEA. The performance of each MEA type under different pretreatment conditions is determined.
    關聯: Journal of Chinese Society of Mechanical Engineers=中國機械工程學刊 32(4), pp.285-292
    显示于类别:[航空太空工程學系暨研究所] 期刊論文

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