Process for preparing lithium intercalation compounds

Details Process for preparing lithium intercalation compounds Process for preparing lithium intercalation compounds

C - Chemistry, Metallurgy

01

D

C01D 15/02 (2006.01) C01G 45/00 (2006.01) C01G 45/02 (2006.01) C01G 51/00 (2006.01) C01G 51/04 (2006.01) C01G 53/00 (2006.01) C01G 53/04 (2006.01) H01M 10/12 (2006.01) H01M 4/50 (2006.01) H01M 4/52 (2006.01)

Patent

CA 2172939

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. The essential step of this process is the treat- ment of an aqueous suspension of the raw material compo- nents lithium hydroxide or lithium oxide and metal oxide or metal oxide precursors with hydrogen peroxide, result- ing 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 and 700°C results in complete reaction to form the lithium intercalation compound in less than 5 hours.

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