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Transport Properties of Hydrogen Isotope Gas Mixture Through Ceramic Protonic Conductor

Yoshinori Kawamura, Satoshi Konishi, Masataka Nishi, Toshiya Kakuta

Fusion Science and Technology / Volume 41 / Number 3P2 / May 2002 / Pages 1035-1039

Blanket Material and Process / Proceedings of the Sixth International Conference on Tritium Science and Technology Tsukuba, Japan November 12-16, 2001

The blanket tritium recovery system using the hydrogen pump with solid electrolyte membrane has been proposed by the present authors. Perovskite-type ceramic such as SrCe0.95Yb0.05O3-a, is one of the candidate protonic conductor for hydrogen pump and its ionic hydrogen transportation properties are being investigated. Deuterium transportation properties were investigated and were compared with H2 to understand the isotope effect. The basic hydrogen isotope transportation property of SrCe0.95Yb0.05O3-a, its technical feasibility, and issues for further development toward practical devices were revealed.

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