Positive active material for rechargeable lithium battery...

Details Positive active material for rechargeable lithium battery... Positive active material for rechargeable lithium battery...

2011-06-07

2011-06-07

Weiner, Laura S (Department: 1726)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S231200, C429S231300, C429S231500, C429S231600, C429S221000, C429S223000, C429S224000, C427S058000, C427S126300

Reissue Patent

active

RE042433

ABSTRACT:
A positive active material for a rechargeable lithium battery is provided. The positive active material includes at least one compound selected from the group consisting of lithiated compounds, a metal oxide layer formed on a surface of the compound and metal oxide masses adhered on the metal oxide layer. The positive active material is produced by coating a compound with a metal alkoxide solution, an organic solution of a metal salt or an aqueous solution of a metal salt and heat-treating the coated compound. The compound is selected from the group consisting of lithiated compounds. Thereafter, the heat-treated compound is slow-cooled to 100 to 500° C. and the cooled compound is quenched to room temperature.

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