US Patent 7476467 Lithium secondary battery with high power

Patent 7476467 was granted and assigned to LG Chem on January, 2009 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

LG Chem

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7476467

Date of Patent

January 13, 2009

Patent Application Number

11091072

Date Filed

March 28, 2005

Patent Citations Received

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US Patent 11764352 Composite positive electrode active material, positive electrode including the same, and lithium battery including the positive electrode

Patent Primary Examiner

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Laura S Weiner

Patent abstract

The present invention provides a non-aqueous electrolyte-based high power lithium secondary battery having a long-term service life and superior safety at both room temperature and high temperature, even after repeated high-current charging and discharging, wherein the battery comprises a mixture of a particular lithium manganese-metal composite oxide (A) having a spinel structure and a particular lithium nickel-manganese-cobalt composite oxide (B) having a layered structure, as a cathode active material.