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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/62398


    Title: Characterization of a Direct Methanol Fuel Cell using Hilbert Curve Fractal Current Collectors
    Authors: Kuan, Yean-Der;Chang, Jing-Yi;Lee, Shi-Min;Lee, Shah-Rong
    Contributors: 淡江大學航空太空工程學系
    Keywords: Fractal;Hilbert curve;Current collector;Direct methanol fuel cell;DMFC
    Date: 2009-02
    Issue Date: 2013-03-20 16:37:38 (UTC+8)
    Publisher: Lausanne: Elsevier S.A.
    Abstract: The current collector or bi-polar plate is a key component in direct methanol fuel cells (DMFCs). Current collector geometric designs have significant influence on cell performance. This paper presents a continuous type fractal geometry using the Hilbert curve applied to current collector design in a direct methanol fuel cell. The Hilbert curve fractal geometry current collector is named HFCC (Hilbert curve fractal current collector). This research designs the current collector using a first, second and third order open carved HFCC shape. The cell performances of the different current collector geometries were measured and compared. Two important factors, the free open ratio and total perimeter length of the open carved design are discussed. The results show that both the larger free open ratio and longer carved open perimeter length present higher performance.
    Relation: Journal of Power Sources 187(1), pp.112-122
    DOI: 10.1016/j.jpowsour.2008.10.094
    Appears in Collections:[航空太空工程學系暨研究所] 期刊論文

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