POSITIVE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, METHOD FOR PREPARING THEREOF, AND LITHIUM ION SECONDARY BATTERY INCLUDING THE SAME

摘要

The present invention relates to a positive electrode active material for a lithium ion secondary battery expressed by the following Chemical Formula 1 and containing antimony:
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ yLi 2 MnO 3 -(1-y)LiM (1-x) Sb x O 2 €ƒ€ƒ€ƒ€ƒ€ƒ(1)
where M is one or more selected from the group consisting of nickel (Ni), cobalt (Co), and manganese (Mn), and 0