| 摘要 |
A positive electrode for a rechargeable battery, comprising a lithium metal oxide powder having a layered crystal structure and having the formula LixTmyHmzO6, with 3≤x≤4.8, 0.60≤y≤2.0, 0.60≤z≤2.0, and x+y+z=6, wherein Tm is one or more transition metals of the group consisting of Mn, Fe, Co, Ni, and Cr; wherein Hm is one or more metals of the group consisting of Zr, Nb, Mo and W. The lithium metal oxide powder may comprise dopants and have the formula LixTmyHmzM"mO6- δΑδ, wherein A is either one or more elements of the group consisting of F, S or N; and M" is either one or more metal of the group consisting of Ca, Sr, Y, La, Ce and Zr, with either δ>0 or m>0, δ≤0.05, m≤0.05 and x+y+z+m =6. |
