1989-07-01

Development of an Electrochemical Cryocooler 891602

By combining fuel cell technology with standard refrigeration system technology, a cryogenic refrigerator with no moving parts can be produced. The cryocooler uses an electrochemical hydrogen compressor to drive a Joule-Thomson refrigeration cycle. Boeing Aerospace has been developing such a system since 1984. Two electrochemical compressors have been designed, fabricated, and tested. Single stage compression over 2000 lb/in2 has been demonstrated.

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