Method for the preparation of active magnesium hydride-magnesium

Details Method for the preparation of active magnesium hydride-magnesium Method for the preparation of active magnesium hydride-magnesium

1991-08-01

1992-03-03

Langel, Wayne

Chemistry of inorganic compounds

Hydrogen or compound thereof

Binary compound

422110, 422189, 422225, C01B 604

Patent

active

050931016

ABSTRACT:
A method for the preparation of active magnesium hydride-magnesium-hydrogen storage systems, which absorb hydrogen reversibly is disclosed. Finely divided magnesium is doped with nickel for this purpose. A pressure reactor is charged with a mixture of finely divided magnesium and an amount of nickel sufficient for the doping. Tetracarbonyl nickel is produced in the pressure reactor and subsequently decomposed. Carbon monoxide is then withdrawn from the pressure reactor and the doped magnesium obtained is hydrogenated at temperature of .gtoreq.300.degree. C. and elevated pressure.

REFERENCES:
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patent: 3743711 (1973-07-01), Rogler et al.
patent: 4559202 (1985-12-01), Luetzelschwab
patent: 5026527 (1991-06-01), Krijgsman
Journal of the Less-Common Metals, 158 (1990) pp. L1-L7, by P. Selvam and B. Viswanathan and V. Srinivasan.

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