Method for producing lithium composite oxide for use as...

Details Method for producing lithium composite oxide for use as... Method for producing lithium composite oxide for use as...

2004-04-30

2010-11-09

Bos, Steven (Department: 1793)

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkali metal

C423S594400, C423S594600, C423S599000, C429S220000, C429S221000, C429S223000, C429S224000, C429S231950, C429S231100, C429S231300

Reexamination Certificate

active

07829045

ABSTRACT:
Disclosed herein is a method for producing a lithium composite oxide for use as a positive electrode active material for lithium secondary batteries by a spray pyrolysis process. The method comprises the steps of: subjecting an inorganic acid salt solution of metal elements constituting a final composite oxide other than lithium to a spray pyrolysis process to obtain an intermediate composite oxide powder; and solid state-mixing the intermediate composite oxide powder and a hydroxide salt of lithium, followed by thermally treating the mixture.

REFERENCES:
patent: 5914094 (1999-06-01), Sun et al.
patent: 5958362 (1999-09-01), Takatori et al.
patent: 5980786 (1999-11-01), Yamashita et al.
patent: 11-278848 (1999-10-01), None
patent: 12-149923 (2000-05-01), None
Wan, Chuan-yun et al. “Property Improvement of Lithium Manganese Oxide for Lithium Ion Battery,” Jun. 30, 2002, Battery Bimonthly, vol. 32, S1, China Academinc Journal Electronic Publishing House, China.

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