Positive active material for rechargeable lithium batteries...

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode

Reexamination Certificate

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C429S137000, C429S218100

Reexamination Certificate

active

06984469

ABSTRACT:
A positive active material for a rechargeable lithium battery is provided. The positive active material includes a core having a lithiated compound and at least two surface-treatment layers on the core, and each of the two surface-treatment layers includes at least one coating element. Alternatively, the positive active material includes at least one surface-treatment layer on the core, wherein the surface treatment at least comprises at least two coating element-included oxides.

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U.S. Appl. No. 09/963,872, Ho-Jin Kweon et al.
U.S. Appl. No. 09/964,263, Ho-Jin Kweon et al.

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