Lithium cobalt oxide, method for manufacturing the same, and...

Details Lithium cobalt oxide, method for manufacturing the same, and... Lithium cobalt oxide, method for manufacturing the same, and...

2007-09-28

2009-06-16

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S218100, C423S594500

Reexamination Certificate

active

07547493

ABSTRACT:
Lithium cobalt oxide, which can provide a nonaqueous electrolyte secondary battery having an excellent initial capacity and an excellent capacity retention, and a method for manufacturing the same are provided. The lithium cobalt oxide has a tap density of at least 1.7 g/cm3and a pressed density of 3.5 to 4.0 g/cm3. A method for manufacturing the lithium cobalt oxide includes the step of selecting a lithium cobalt oxide (A) and a lithium cobalt oxide (B) so that a difference in the tap density between the lithium cobalt oxide (A) and the lithium cobalt oxide (B) is at least 0.2 g/cm3; and mixing the lithium cobalt oxide (A) and the lithium cobalt oxide (B).

REFERENCES:
patent: 7374841 (2008-05-01), Hosoya et al.
patent: 2001-85009 (2001-03-01), None
patent: 2001-135313 (2001-05-01), None
patent: 2001-155729 (2001-06-01), None

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