Cobalt carbonate of low alkali metal content, method for...

Details Cobalt carbonate of low alkali metal content, method for... Cobalt carbonate of low alkali metal content, method for...

C - Chemistry, Metallurgy

01

G

C01G 51/06 (2006.01) C01B 31/24 (2006.01) C01G 51/04 (2006.01) C01G 53/04 (2006.01) C01G 53/06 (2006.01)

Patent

CA 2475667

Disclosed are a method for producing a cobalt carbonate of low alkali metal content at a low cost in high productivity, and a cobalt oxide of low alkali metal content and high performance produced from the cobalt carbonate. The method comprises reacting an aqueous cobalt salt solution with a carbonate of an alkali metal to produce the cobalt carbonate; wherein: (1) a reaction temperature is controlled at less than or equal to 25°C, and/or (2) an aqueous solution of the carbonate of an alkali metal containing a hydroxide of the alkali metal in an amount of 5 to 40g/L is used as the carbonate of the alkali metal.

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