Proton Exchange Membranes for Fuel Cell Applications Prepared by Ion Track Technology

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概要

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• Proton exchange membranes for use in fuel cells were prepared by our original ion-track technology, which involves (i) the swift heavy ion irradiation of polyvinylidene fluoride films and subsequent chemical etching to obtain cylindrical pores, and (ii) the filling of proton-conducting polymer chains into the etched pores by γ-ray-induced graft polymerization. We found that the membranes possessed one-dimensional straight proton conducting pathways parallel to the ion-beam incident axis. Such restricted structures probably led to less water uptake and lower methanol permeability compared to a commercially-available Nafion membrane.

著者

• YAMAKI Tetsuya

  Quantum Beam Science Directorate, Japan Atomic Energy Agency

• ASANO Masaharu

  Quantum Beam Science Directorate, Japan Atomic Energy Agency

• KOZONE Yuichi

  Faculty of Engineering, Gunma University

• HIROKI Akihiro

  Quantum Beam Science Directorate, Japan Atomic Energy Agency

• HOSOI Katsuhiko

  Faculty of Engineering, Gunma University

• KUBOTA Hitoshi

  Faculty of Engineering, Gunma University

• YOSHIDA Masaru

  Quantum Beam Science Directorate, Japan Atomic Energy Agency

関連論文

• Poly(vinylidene fluoride)-Based Ion Track Membranes with Different Pore Diameters and Shapes. SEM Observations and Conductometric Analysis
• Proton Exchange Membranes for Fuel Cell Applications Prepared by Ion Track Technology

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