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Conference Article: R&D and the application of metal hydride super heat pump for nuclear plant and H2 plant

Ishiyama, S.; Ugachi, H.; Eto, M. (Japan Atomic Energy Research Inst., Tokai, Ibaraki (Japan))

Abstract

To contribute to the effective utilization of nuclear heat, the investigation was made on the heat storage technique in which the lower grade thermal energy can be transferred into the higher grade one, and the mass hydrogen storage technique in which the large amount of hydrogen can be stored efficiently. A heat pump system in which the metal-hydrogen reaction is utilized (Metal Hydride Super Heat Pump:MHSHP) was evaluated in this study. It was made clear that there is a possibility that if the heat sources of 100 deg. C and 600 deg. C are supplied from outside of the system, the output temperatures of 200 deg. C and 800 deg. C would be available using MHSHP system. The specifications of the metal hydride optimum for the effective operation of the MHSHP system are also discussed. Moreover, recent experimental activities of R&D for the new metal hydride materials are summarized.

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key words: Gas Cooled Reactor, Nuclear Technology
Reference:
Technical committee meeting on high temperature applications of nuclear energy. Oarai (Japan). 19-20 Oct 1992
International Atomic Energy Agency, Vienna (Austria)
IAEA-TECDOC--761, pp:108-114