Structurally modified nickel hydroxide material and method...

Details Structurally modified nickel hydroxide material and method... Structurally modified nickel hydroxide material and method...

H - Electricity

01

M

H01M 4/32 (2006.01) C01G 53/00 (2006.01) C01G 53/04 (2006.01) H01M 4/52 (2006.01)

Patent

CA 2341533

A method for producing a structurally modified nickel hydroxide active material for the positive electrode of an alkaline electrochemical cell. The method comprises the steps of combining a nickel ion solution, an ammonium hydroxide solution, and an alkali metal hydroxide solution to form a reaction mixture; and cycling the supersaturation of the reaction mixture.

L'invention concerne un procédé de production d'une matière active d'hydroxyde de nickel à structure modifiée destinée à la cathode d'une cellule électrochimique alcaline. Ce procédé consiste à combiner une solution d'ions de nickel, une solution d'hydroxyde d'ammonium et une solution d'hydroxyde métallique alcaline afin d'obtenir un mélange réactionnel, puis à remettre dans le circuit la sursaturation du mélange réactionnel.

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