| abstract |
TECHNICAL FIELD The present invention relates to a lithium-nickel-cobalt-aluminum-oxide composite cathode material, a method for producing the same, and a lithium-ion battery. The composite anode material has a core shell structure, of which the core is LiNi 1 -x- y Co x Al y O 2 which has been washed with a mixed solution of alcohol and organic acid (0 <x? 0.2, 0 < y? 0.1), and the case is a metal oxide layer. The present invention is a process combining cleaning of a substrate material by using a mixed solution of an alcohol and an organic acid, and coating of a case layer material by spray drying. The composite anode material of the present invention has a low lithium impurity content and high temperature cycling and high temperature storage performance. |