Manufacturing method of an active material suitable for non-sint

Details Manufacturing method of an active material suitable for non-sint Manufacturing method of an active material suitable for non-sint

1996-06-18

1997-12-30

Lusignan, Michael

Coating processes

Particles, flakes, or granules coated or encapsulated

427213, 427215, 427346, 4273722, 427422, 427424, B05D 700, B05D 312, B05D 102

Patent

active

057027625

ABSTRACT:
In a method of manufacturing a nickel active material, nickel hydroxide particles coated with cobalt hydroxide are put on the mesh disk 4 of the fluidized granulator 1. Then, hot air is continuously supplied from outside through the hot air inlet 5, while air inside the fluidized granulator 5 is continuously emitted through the air outlet 8. At the same time, the nickel hydroxide particles are stirred with the stirring fan 3 and further dispersed by a hot air current. In this condition, an alkali aqueous solution is sprayed on the nickel hydroxide particles through the spray nozzle 7 by the pump 9. After the spray, the nickel hydroxide particles are further stirred in hot air so as to complete an alkali heat treatment.

REFERENCES:
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patent: 4049027 (1977-09-01), Seiger
patent: 4844999 (1989-07-01), Oshitani et al.
Blanchard et al.; WO 91/20101, translation of abstract and Figure 1, Dec. 26, 1991.
Tamagawa et al.; JP 04109557, translation of abstract, Apr. 10, 1992.
Nakahori; DE 3806943, translation of abstract, Sep. 15, 1988.
Exhov et al.; Structure Modification and Change of Electrochemical Activity of Nickel Hydroxides; J. Electrochem. Soc., vol. 138, No. 4; Apr. 1991; pp. 885-889.

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