Patent ID: 8148015

Claim:
A cathode material comprising: a first compound; a binder component; and a second compound; wherein the second compound comprises a lithium transition metal oxide having a general formula selected from the group consisting of: Li 1+x Mn y M 2−y O 4 , wherein: −0.1≦X≦0.2, 1.7≦Y≦2.0 and M is selected from the group consisting of boron, magnesium, aluminum, titanium, chromium, iron, zirconium, copper, zinc, gallium, yttrium, fluorine, iodine, sulfur, cobalt, nickel, and combinations thereof; and Li 1+x Ni 1−y−z Mn y Co z M p O 2 , wherein: −0.1≦X≦0.2, 0≦Y≦1, 0≦Z≦1, 0≦Y+Z≦1.0, 0<P≦0.2 and M is selected from the group consisting of boron, magnesium, aluminum, titanium, chromium, iron, zirconium, copper, zinc, gallium, yttrium, fluorine, iodine, sulfur, and combinations thereof; wherein the average particle size of the second compound is larger than the average particle size of the first compound; and wherein, the first compound is a lithium metal phosphate salt having the general formula Li 1+x M y PO 4 , wherein: −0.1≦X≦0.2, 0.9≦Y≦1.1; and M is selected from the group consisting of: calcium, iron, aluminum, titanium, cobalt, boron, chromium, nickel, magnesium, zirconium, gallium, vanadium, manganese, zinc and combinations thereof, and the amount of the first compound ranges from about 51% to about 98% by weight of the total amount of the cathode material.