Oxide Glass/Amorphous Metal Alloy Laminated Membrane for Hydrogen Separation

DOI PDF 参考文献13件
  • Tawarayama Hiromasa
    Materials and Structures Laboratory, Tokyo Institute of Technology
  • Hosono Hideo
    Materials and Structures Laboratory, Tokyo Institute of Technology Frontier Research Center, Tokyo Institute of Technology
  • Yamaura Shin-ichi
    Institute for Materials Research, Tohoku University
  • Zhang Wei
    Institute for Materials Research, Tohoku University
  • Inoue Akihisa
    Institute for Materials Research, Tohoku University

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説明

A five-layered membrane composed of an amorphous Ni–Nb–Zr alloy substrate (ca. 30 μm), thin proton–electron mixed conductive tungsten phosphate glass films (ca. 50 nm) and Ni coatings (ca. 20 nm) was fabricated by pulsed laser deposition and vacuum evaporation. A flux of hydrogen passed through the laminated membrane without Pd at 673 K at ca. 2×10−6 mol·cm−2·s−1, and no degradation was observed in the 10 h operation. The present results suggest that amorphous Ni–Nb–Zr alloy passivated with WO3-based oxide glass is a promising material for H2 filtering in a medium temperature range.

収録刊行物

  • Chemistry Letters

    Chemistry Letters 38 (5), 502-503, 2009

    公益社団法人 日本化学会

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