摘要 |
<p>An active material of positive electrode for a nonaqueous electrolyte secondary battery, comprising particles of a double oxide containing Li and Co, wherein the double oxide further contains element M1 and M2, the element M1 being at least one member selected from the group consisting of Mg, Cu and Zn, the element M2 being at least one member selected from the group consisting of Al, Ca, Ba, Sr, Y and Zr, the element M1 uniformly distributed in the particles, the element M2 distributed more in a surface layer portion than in an internal portion of the particles.</p> |