Hydrogen sorption cryocooler

Schlapbach, L., ed. Hydrogen in Intermetallic Compounds II Surface and Dynamic Properties, Applications, Topics in Applied Physics. 1992, Springer Berlin. Bowman, R.C., Development of metal hydride beds for sorption cryocoolers in space applications, Journal of Alloys and Compounds, 2003, 356 p. 789-793. Panasonic, Available from http //www.panasonic.com/indnstrial/battery/oem/chein/ nicmet. 

Fig. 8. 39 Photograph of the BETSCE sorption cryocooler in the laboratory that produced solid hydrogen at 11 K during the flight of Shuttle STS-77.

Sorption heat pipe can be considered as a cryocooler, applied for deep cooling of sensors down to the triple point of the hydrogen (nitrogen) with cyclic or periodic operation in space. The working fluid can be stored in sorption material of SHP at low pressure. 

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