| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a positive electrode active material for a lithium secondary battery comprising granulated particles having uniform composition and high coating capability; and to provide the positive electrode active material for the lithium secondary battery and a nonaqueous lithium secondary battery. <P>SOLUTION: The manufacturing method of the positive electrode active material for the lithium secondary battery containing Mn, Ni, Co, and Li as the main component is that raw material powder containing 0.6-1.1 atomic ratio of Li to other elements is mixed, mixed raw material powder is temporarily baked, 0.1-0.4 atomic ratio of Li to other elements is additionally mixed to the temporarily baked raw material powder, Li-additionally mixed raw material powder is crushed by a wet process, secondary particles are granulated with raw material powder crushed by the wet process, and the secondary particles are baked. <P>COPYRIGHT: (C)2008,JPO&INPIT |
