Method of preparing Li.sub.1+x MN.sub.2-x O.sub.4 for use as sec

Details Method of preparing Li.sub.1+x MN.sub.2-x O.sub.4 for use as sec Method of preparing Li.sub.1+x MN.sub.2-x O.sub.4 for use as sec

1997-03-12

1999-02-23

Langel, Wayne

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

429224, C01G 4512

Patent

active

058740589

ABSTRACT:
A continuous method of preparing a single phase lithiated manganese oxide intercalation compound of the formula Li.sub.1+x Mn.sub.2-x O.sub.4 comprising the steps of: mixing intimately a lithium hydroxide or a lithium salt and a manganese oxide or a manganese salt; feeding the intimately mixed salts to a reactor; continuously agitating the mixed salts in the reactor; heating the agitated mixed salts in the reactor at a temperature of from about 650 .degree. C. to about 800.degree. C. for a time not in excess of about 4 hours in an oxygen-containing atmosphere; and cooling the reacted product to less than about 200.degree. C. in an oxygen-containing atmosphere for a time not in excess of about 2 hours.

REFERENCES:
patent: 4980251 (1990-12-01), Thackeray et al.
patent: 5211933 (1993-05-01), Barboux et al.
patent: 5425932 (1995-06-01), Tarascon
patent: 5561006 (1996-10-01), Lecerf et al.
patent: 5718877 (1998-02-01), Manev et al.

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