| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a positive electrode active material made of lithium nickelate containing vanadium and indium which can improve thermal stability at over-discharge and high-temperature storage of a non-aqueous secondary battery manufactured using the same and, at the same time, can suppress deterioration of battery capacity, cycle life, and output, its efficient manufacturing method, and a non-aqueous secondary battery using it. <P>SOLUTION: The positive electrode active material for non-aqueous secondary battery has vanadium acid lithium or indium acid lithium dispersed uniformly inside particles and the shape of the particles is made of spherical or elliptic spherical secondary particles which are formed by aggregating the primary particles. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
