COMPOSITE CATHODE MATERIALS WITH CONTROLLED IRREVERSIBLE CAPACITY LOSS FOR LITHIUM ION BATTERIES

摘要

Composite material for cathode of electrochemical cell. The composite material is _{Li [M 1 - x Li x} ] O 2 or yLi ₂ MnO ₃ and _{(1-y) LiMO 2 (} M = Ni, Co, Mn, 0 x 0.5, 0 y 1), and LiMn _1.5 and a Ti _0.5 O _4, and LiMn _1.5 Ni _0.5 O _4, at least one of. Also provided is a Li-ion electrochemical cell comprising a cathode comprising the composite material. The Li-ion electrochemical cell controls irreversible capacity loss and maintains good cycle stability.