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Development of Electrochemical Hydrogen Pump Under Vacuum Condition for a Compact Tritium Gas Recycling System

M. Kato, T Itoh, H. Sugai, Y Kawamura, T. Hayashi, M. Nishi M. Tanase, T. Matsuzaki, K. Ishida, K. Nagamine

Fusion Science and Technology / Volume 41 / Number 3P2 / May 2002 / Pages 859-863

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

JAERI has been developing an improved compact tritium gas enrichment/recycling system to handle relatively smaller amount of tritium for efficient researches on tritium processing and development work. An electrochemical hydrogen pump based on CaZr0.9In0.1O3− α proton conductor is investigated to separate hydrogen isotopes directly from inert gas carrier after the enrichment process of the system. The prototype hydrogen pump was developed for the first time to operate under vacuum condition at the cathode compartment, and the performance test was carried out.

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