Lithium-manganese composite oxide granular secondary...

Details Lithium-manganese composite oxide granular secondary... Lithium-manganese composite oxide granular secondary...

2007-05-15

2007-05-15

Vanoy, Timothy C. (Department: 1754)

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

C423S599000, C423S594150, C423S594600, C423S594400, C423S596000, C423S594200, C423S594160, C423S049000, C423S179500, C423S111000, C423S138000, C423S053000, C423S155000, C429S231100, C429S224000, C429S231300, C429S223000, C429S221000, C429S231600, C429S231500, C429S231950

Reexamination Certificate

active

10505141

ABSTRACT:
Granular secondary particles of a lithium-manganese composite oxide suitable for use in non-aqueous electrolyte secondary batteries showing high-output characteristics which are granular secondary particles made up of aggregated crystalline primary particles of a lithium-manganese composite oxide and have many micrometer-size open voids therein with a defined average diameter and total volume of open voids. A process for producing the granular secondary particles which includes spray-drying a slurry of at least a manganese oxide, a lithium source, and an agent for open-void formation to thereby granulate the slurry and then calcining the granules.

REFERENCES:
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patent: 6875416 (2005-04-01), Benz
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patent: 2000-323123 (2000-11-01), None
patent: 2001-143687 (2001-05-01), None
patent: 2002-053321 (2002-02-01), None
patent: 2002-53321 (2002-02-01), None
patent: WO 01/004975 (2001-01-01), None
English translation of Japan Patent Document No. 2002-53,321 A published Feb. 19, 2002.

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