Patent ID: 8614878

Claim:
An electrode material comprising: a powder comprising: a surface coating or deposits of metal oxide, said metal oxide comprising one or more of manganese, nickel, cobalt, iron, aluminum, chromium, molybdenum, rhodium, iridium, osmium, rhenium, vanadium, tungsten, tantalum, palladium, lead, tin, titanium, copper, zinc, niobium and lithium, wherein the average thickness of said metal oxide coating is greater than about 5 nanometers and less than about 1000 nanometers, said metal oxide coating consisting of a crystalline phase, a partially crystalline phase or any combination thereof; a carbon powder selected from a group consisting of a carbon xerogel, carbon microfibers, carbon nanofibers, carbon nanotubes, graphite, graphene, carbon black, activated carbon or any combination thereof; said carbon powder comprising pores of above average pore size and pores of below average pore size, wherein said pores of above average pore size have an average diameter larger than about one nanometer and wherein pores of below average pore size are smaller than about ten micrometers; wherein the average particle size of said carbon powder is greater than about 10 nanometers and smaller than about 30 micrometers in its largest dimension.