Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing
Patent
1996-03-27
1999-03-09
Langel, Wayne
Chemistry of inorganic compounds
Oxygen or compound thereof
Metal containing
423594, 423599, C01G 4512, C01G 5100, C01G 5300
Patent
active
058796541
ABSTRACT:
The invention relates to a process for preparing lithium intercalation compounds by thermal solid state reaction of mixtures of lithium hydroxide or lithium oxide and oxides or oxide precursors of transition metals. A significant step of this process is the treatment of an aqueous suspension of the raw material components lithium hydroxide or lithium oxide and metal oxide or metal oxide precursors with hydrogen peroxide, resulting in the lithium compound going into solution. In the drying of the mixture, the lithium hydroxide is very uniformly absorbed onto the metal oxide. Calcination at temperatures between 450.degree. C. and 700.degree. C. results in complete reaction to form the lithium intercalation compound in less than 5 hours.
REFERENCES:
patent: 5531920 (1996-07-01), Mao et al.
Patent Abstracts of Japan, vol. 015, No. 284 (E01091), Jul. 18, 1991.
Pohl Ludwig
Sauerbrey Birgit
van Ghemen Max
Langel Wayne
Merck Patent Gesellschaft mit beschrankter Haftung
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