High purity lithium oxide process

Details High purity lithium oxide process High purity lithium oxide process

1987-06-01

1988-03-22

Stoll, Robert L.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

C01D 1502

Patent

active

047327510

ABSTRACT:
A process for producing high purity lithium oxide comprising decomposing lithium peroxide at a temperature of 350.degree. to 450.degree. C., in an inert atmosphere in the substantial absence of water to produce impure lithium oxide followed by heating the impure lithium oxide under moderate vacuum at 900.degree. C. or more for at least one hour to obtain high purity lithium oxide of 99% or greater purity.

REFERENCES:
patent: 2962358 (1980-11-01), Strater
patent: 3321277 (1967-05-01), Bach
patent: 4221775 (1980-09-01), Anno et al.
Stecura, Stephan, "Identification of a New Lithium Oxide Li.sub.3 O.sub.2 ", Journal of Less-Common Metals 33, No. 2, 11/73, pp. 219-227.
Vasileu, V. G. et al., "Preparation and Physicochemical Properties of Lithium Aluminate, Titanate, Niobate, Silicates, and Oxide", Inorganic Material (USA), vol. 16, No. 2, Feb. 1980, (publ. 1980), pp. 222-224.

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