LITHIUM MANGANESE COMPOSITE OXIDE COMPRISING PRIMARY PARTICLE HAVING CONTROLLED VERTICAL ANGLE, AND MANUFACTURING METHOD OF THE SAME

摘要

The present invention relates to a lithium-manganese composite oxide in which the size of the face angle of a primary particle is adjusted, and to a method for preparing the same. The lithium-manganese composite oxide in which the size of the vertical angle of the primary particle is adjusted and method for preparing same according to the present invention may gently adjust the size of the vertical angle of the polyhedron that constitutes primary particles having a shape of a convex polyhedron in the lithium-manganese composite oxide, thus preventing the formation of convex-concave portions at the surface of a pole plate in the process of forming the pole plate by means of rolling during the manufacturing of a battery, resulting in improved characteristics of the battery.