直接メタノール燃料電池用電解質膜の現状と新展開  [in Japanese] Present State and Novel Development of Polymer Electrolyte Membranes for Direct Methanol Fuel Cell  [in Japanese]

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Author(s)

    • 山口 猛央 YAMAGUCHI Takeo
    • 東京大学大学院工学系研究科 化学システム工学専攻 Department of Chemical System Engineering, The University of Tokyo

Abstract

To develop a high performance direct methanol fuel cell (DMFC), a novel electrolyte membrane is needed. This electrolyte membrane should be durable up to 130t to improve the catalytic reaction, and the methanol crossover should be reduced. Reported membranes are reviewed in this article, and our own approach is shown. Our approach is to design a pore-filling type polyelectrolyte membrane, where the polyelectrolyte is filled into the pores of a porous substrate, and the membrane swelling is suppressed by the substrate matrix. Proton conductivity was achieved through the filling electrolyte polymer. Methanol permeation was controlled by the swelling of the electrolyte polymer, and the mechanical strength at high temperature was maintained by the substrate. From this concept, a high proton conductivity was shown to exist with reduced membrane methanol permeability, and in addition, a heat-resistance was also achieved.

Journal

  • MEMBRANE

    MEMBRANE 27(3), 124-130, 2002-05-01

    THE MEMBRANE SOCIETY OF JAPAN

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Codes

  • NII Article ID (NAID)
    10008588870
  • NII NACSIS-CAT ID (NCID)
    AN0023215X
  • Text Lang
    JPN
  • Article Type
    Journal Article
  • ISSN
    03851036
  • NDL Article ID
    6152310
  • NDL Source Classification
    ZR2(科学技術--生物学--生化学)
  • NDL Call No.
    Z18-1127
  • Data Source
    CJP  CJPref  NDL  J-STAGE 
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