Nickel-mischmetal-calcium alloys for hydrogen storage

Details Nickel-mischmetal-calcium alloys for hydrogen storage Nickel-mischmetal-calcium alloys for hydrogen storage

1977-11-02

1979-07-17

Dean, R.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75134C, 423644, C22C 1903

Patent

active

041614020

ABSTRACT:
A nickel-mischmetal-calcium compound is used to store gaseous hydrogen at pressures up to about 15 atmospheres at ambient temperatures. The Ni.sub.5 M.sub.1-y Ca.sub.y compounds have values of y ranging from about 0.2 to about 0.9. Alloys conforming to this formula contain from about 4% to about 27% mischmetal, from about 2% to about 11% calcium, up to about 15% copper, and the balance essentially nickel.

REFERENCES:
patent: 3967465 (1976-07-01), Asselman et al.

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