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Quantum-beam technology; A Versatile tool for developing polymer electrolyte fuel-cell membranes

量子ビームテクノロジー; 燃料電池用電解質膜の開発における万能ツール

八巻 徹也

Yamaki, Tetsuya

日本原子力研究開発機構では、独自の量子ビーム技術を駆使して、燃料電池に応用可能な高分子電解質膜の開発を進めている。本招待講演では、発表者らによるその活動について、(1)$$gamma$$線・電子線による架橋・グラフト反応を利用した電解質膜の作製,(2)イオンビームによるナノ構造制御電解質膜の作製,(3)中性子小角散乱法による膜構造解析への展開、などのトピックをレビューする。

Fuel-cell application requires that the electrolyte membrane should meet the characteristics; for examples, proton conductivity, mechanical strength, swelling properties, chemical stability and hydrogen/methanol permeability. When higher proton conductivity is pursued for practical applications, at least one of the other membrane properties is usually reduced; these trade-offs must be assessed in the current stage of technology. My talk reviews briefly original techniques of Japan Atomic Energy Agency, which should break the above trade-off relationship in the development of the membranes. The main topic will be systematic utilization of quantum beam technology covering (1) radiation crosslinking and graft polymerization by using $$gamma$$-ray and electron beam, (2) preparation of nano-structure controlled membranes by ion track technology, and (3) use of neutron scattering for membrane analysis.

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パーセンタイル:46.99

分野:Chemistry, Physical

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