McDermott Will & Emery LLP
Positive electrode active material for non-aqueous electrolyte secondary cell and cell using the same
There is provided a positive electrode active material for a non-aqueous electrolyte secondary battery, comprising a composite oxide represented by the general formula (1): (Li1-xMx)a(Co1-yMy)bOc where lithium and cobalt are partly replaced with element M in the crystal structure of LiCoOc, wherein element M is at least one selected from the group consisting of Al, Cu, Zn, Mg, Ca, Ba and Sr, and 0.02≦x+y≦0.15, 0.90≦a/b≦1.10, and 1.8≦c≦2.2 are satisfied.
Matsushita Electric Industrial Co., Ltd.
C Y H H C C H H H C C C H C H C C C
C01P Y02E H01M H01M C01P C01G H01M H01M H01M C01P C01P C01P H01M C01P H01M C01G C01G C01G
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Masatoshi Hiroshi Shinji
Nagayama Yoshizawa Arimoto