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    題名: Development of a Direct Methanol Fuel Cell with Lightweight Disc Type Current Collectors
    作者: Kuan, Yean-Der;Lee, Shin-Min;Sung, Ming-Feng
    關鍵詞: direct methanol fuel cell;disc-type current collector;microelectromechanical system;thermal evaporation
    日期: 2014-05-12
    上傳時間: 2016-04-22 13:45:26 (UTC+8)
    出版者: Switzerland: MDPI AG
    摘要: The direct methanol fuel cell (DMFC) adopts methanol solution as a fuel suitable for low power portable applications. A miniature, lightweight, passive air-breathing design is therefore desired. This paper presents a novel planar disc-type DMFC with multiple cells containing a novel developed lightweight current collector at both the anode and cathode sides. The present lightweight current collector adopts FR4 Glass/Epoxy as the substrate with the current collecting areas located at the corresponding membrane electrolyte assembly (MEA) areas. The current collecting areas are fabricated by sequentially coating a corrosion resistant layer and electrical conduction layer via the thermal evaporation technique. The anode current collector has carved flow channels for fuel transport and production. The cathode current collector has drilled holes for passive air breathing. In order to ensure feasibility in the present concept a 3-cell prototype DMFC module with lightweight disc type current collectors is designed and constructed. Experiments were conducted to measure the cell performance. The results show that the highest cell power output is 54.88 mW·cm−2 and successfully demonstrate the feasibility of this novel design.
    關聯: Energies 7(5), pp.3136-3147
    DOI: 10.3390/en7053136
    顯示於類別:[航空太空工程學系暨研究所] 期刊論文

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