ELECTRODE COMPOSITE MATERIAL OF LITHIUM ION BATTERY, METHOD FOR MAKING THE SAME, AND LITHIUM ION BATTERY USING THE SAME

摘要

An electrode composite material includes an individual electrode active material particle and a protective film coated on a surface of the particle. A composition of the protective film is at least one of AlxMyPO4 and AlxMy(PO3)3, M represents at least one chemical element selected from the group consisting of Cr, Zn, Mg, Zr, Mo, V, Nb, and Ta, and a valence of M is represented by k, wherein 0