Mixed metal hydroxides comprising amorphous aluminum...

Details Mixed metal hydroxides comprising amorphous aluminum... Mixed metal hydroxides comprising amorphous aluminum...

2011-08-16

2011-08-16

Le, H. (Holly) T (Department: 1788)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

C428S699000, C428S701000

Reexamination Certificate

active

07998582

ABSTRACT:
The present invention relates to a particulate mixed metal hydroxide that includes nickel, cobalt and aluminium. The powder particles have a core of nickel/cobalt hydroxide, and a surface that is coated with amorphous aluminium hydroxide. A process for the continuous preparation of such mixed metal hydroxides is also described. The process includes precipitating aluminium hydroxide in the presence of a nickel/cobalt mixed hydroxide in a tube reactor. The mixed metal hydroxides of the present invention may be used to prepare active materials for positive electrodes of a secondary battery.

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