Single-phase lithium-transition metal oxide compounds containing cobalt, manganese and nickel can be prepared by wet milling cobalt-, manganese-, nickel- and lithium-containing oxides or oxide precursors to form a finely-divided slurry containing well-distributed cobalt, manganese, nickel and lithium,...http://www.google.co.uk/patents/US20050112054?utm_source=gb-gplus-sharePatent US20050112054 - Solid state synthesis of lithium ion battery cathode material
