Lithium nickel manganese cobalt composite oxide used as...

Details Lithium nickel manganese cobalt composite oxide used as... Lithium nickel manganese cobalt composite oxide used as...

2009-02-26

2010-11-23

Rhee, Jane (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S231950, C429S224000, C429S231300

Reexamination Certificate

active

07838148

ABSTRACT:
A lithium nickel manganese cobalt composite oxide used as a cathode active material for a lithium rechargeable battery, the composite oxide shown by the below general formula (1):in-line-formulae description="In-line Formulae" end="lead"?LixNi1−y−zMnyCozO2  (1)in-line-formulae description="In-line Formulae" end="tail"?(wherein 0.9≦x≦1.3, 0<y<1.0, and 0<z<1.0; and wherein y+z<1),the lithium nickel manganese cobalt composite oxide having an average particle size of 5-40 μm, a BET ratio surface area of 5-25 m2/g, and a tap density of equal to or higher than 1.70 g/ml.

REFERENCES:
patent: 2005/0220700 (2005-10-01), Suhara et al.
patent: 2005/0271944 (2005-12-01), Suhara et al.
patent: 2007/0190419 (2007-08-01), Takezawa
patent: 2001-148249 (2001-05-01), None
patent: 2006-117517 (2006-05-01), None
patent: 2004/082046 (2004-09-01), None
patent: 2005/020354 (2005-03-01), None

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