Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 20, 2007
Patent Application Number
10470761
Date Filed
November 25, 2002
Patent Citations Received
Patent Primary Examiner
Patent abstract
A lithium ion secondary battery comprising: a positive electrode; a negative electrode; and a non-aqueous electrolyte, the positive electrode comprising a positive electrode active material and a binder, the positive electrode active material comprising a lithium-containing composite oxide represented by the chemical formula:Lia(Co1-x-yMgxMy)bOcwhere M is at least one selected from Ni, Mn and Al, 0≦a≦1.05, 0.005≦x≦0.025, 0≦y≦0.25, 0.85≦b≦1.1, and 1.8≦c≦2.1.
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