Method for preparing high density nickel hydroxide used for alka

Details Method for preparing high density nickel hydroxide used for alka Method for preparing high density nickel hydroxide used for alka

1995-02-21

1996-03-12

Langel, Wayne

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423593, 423594, 429223, C01B 1336

Patent

active

054984033

ABSTRACT:
A method for preparing nickel hydroxide is provided, in which a nickel sulfate solution and ammonium hydroxide are continuously mixed in a premixing vessel to form a nickel ammonium complex, and then the mixed solution and a sodium hydroxide solution are continuously supplied to a reactor. Included in the method of producing nickel hydroxide is the step of adding more than one element selected from the group consisting of Co, Zn and Cd to the nickel sulfate solution in a concentration range of 0.05-0.3 mol/L. The high density nickel hydroxide may be used for alkali rechargeable batteries.

REFERENCES:
patent: 3436267 (1969-04-01), Faber
patent: 4390447 (1983-06-01), Winsel et al
patent: 5281494 (1994-01-01), Ettel et al.
patent: 5447707 (1995-09-01), Babjak et al.

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