Patent ID: 9171653
Filing Date: 2015-10-27
Classification: C01D,C01G,C01P,H01B,H01G,H01M,Y02E,Y02P,Y02T

Abstract:
1. A lithium manganese composite oxide comprising a compound represented by chemical formula 1, wherein the compound represented by chemical formula 1 comprises Mn having an oxidation number of +3 and Mn having an oxidation number of +4, and the abundance ratio of Mn having an oxidation number of +3 to Mn having an oxidation number of +4 at the surface of the lithium manganese composite oxide, A, defined by relation formula 1, is 95 to 100: wherein, a is 0 to 0.2, x is 0 to 0.4, and M is selected from the group consisting of Al, Mg, Zr, Cu, Ni, Sn, Sr, Zn, Si and a mixture thereof; and