Patent ID: 8663849

Claim:
A lithium ion battery positive electrode material comprising an active composition comprising lithium metal oxide coated with an inorganic coating composition wherein the coating composition comprises a metal chloride, metal bromide, metal iodide, or combinations thereof and having an average voltage of at least about 3.5 volts when discharged from 4.6 volts to 2.0 volts at room temperature at a rate of C/3, wherein the lithium metal oxide is a layered-layered crystalline composition represented by a formula Li 1+b Ni α Mn β Co γ A δ O 2 , where b ranges from about 0.05 to about 0.3, α ranges from 0 to about 0.4, β range from about 0.2 to about 0.65, γ ranges from 0 to about 0.46, and δ ranges from about 0 to about 0.15, and where A is Mg, Sr, Ba, Cd, Zn, Al, Ga, B, Zr, Ti, Ca, Ce, Y, Nb, Cr, Fe, V, Li, or combinations thereof.