Cobalt tetroxide ke thepa ea phetoho ea tšepe ea oxide.Nano-cobalt tetroxide ke thepa ea bohlokoa ea matla a khoheli le P-type semiconductor, e nang le boleng ba ts'ebeliso ea bohlokoa maemong a mangata, joalo ka heterogeneous catalysis, lisebelisoa tsa anode bakeng sa libeteri tse nchafalitsoeng tsa lithium-ion, li-sensor tsa state-state, lisebelisoa tsa electrochromic, lisebelisoa tse monyang matla a letsatsi. le li-pigments.