Patent ID: 6372385
Filing Date: 2002-04-16
Classification: C01G,C01P,H01M,Y02E

Abstract:
A method of manufacturing an active material for a positive electrode used in lithium secondary batteries of Formula 1 below, the method comprising the steps of:producing a crystalline powder or a semi-crystalline powder of Formula 1; coating the crystalline powder or the semi-crystalline powder with metal alkoxide sol; and heat-treating the powder coated with the metal alkoxide sol, LiA1âˆ’xâˆ’yBxCyO2â€ƒâ€ƒ(Formula 1) where 0A is an element selected from the group consisting of Ni, Co and Mn; B is an element selected from the group consisting of Ni, Co, Mn, B, Mg, Ca, Sr, Ba, Ti, V, Cr, Fe, Cu and Al; and C is an element selected from the group consisting of Ni, Co, Mn, B, Mg, Ca, Sr, Ba, Ti, V, Cr, Fe, Cu and Al.