A particle compositon for a particulate cathode material

A particle composition comprising particles having a complex oxide core and a conductive carbon deposit on at least part of the surface of the core, wherein the particles comprise elementary nanoparticles having a nanoscale size and agglomerates or aggregates of elementary nanoparticles having a submicron to micron scale particle size; said conductive carbon deposit is a non powdery deposit, and is present on at least part of the surface of the elementary particles and on the surface of the aggregates.