| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a laminar lithium nickel manganese complex oxide powder, which has a high bulk density and is preferably used for the positive electrode active substance of lithium secondary cell. SOLUTION: A slurry contains at least a lithium source compound, a nickel source compound, and a manganese source compound, which are crushed and mixed, in a weight ratio of nickel atom [Ni] to manganese atom [Mn] of 0.7 to 90. The slurry is dried through spray drying and is fired to obtain a laminar lithium nickel manganese complex oxide powder and thereafter is pulverized to obtain the product laminar lithium nickel manganese complex oxide powder. |
