Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kensuke Nakura0
Date of Patent
July 12, 2011
0Patent Application Number
117137190
Date Filed
March 5, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A lithium ion secondary battery including a positive electrode including a lithium composite oxide represented by the general formula (1): LixM1-yLyO2 (0.85≦x≦1.25 and 0≦y≦0.50; M is at least one selected from the group consisting of Ni and Co; and L is at least one selected from the group of alkaline earth elements, transition elements other than Ni and Co, rare earth elements, and elements of Group IIIb and Group IVb). The lithium composite oxide is treated with a coupling agent having a plurality of hydrolyzable groups, and the remaining hydrolyzable group is inactivated.
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