▎ 摘　　要

NOVELTY - Preparation of graphene-doped iridium oxide based porous electrode comprises using TA2 titanium plate or foam nickel as substrate, degreasing, etching, washing, dissolving iridium acid in absolute ethanol, adding graphene and hydrochloric acid, treating graphene, mixing acidified graphene with chloro-iridium acid solution, dissolving precursors of non-noble metal oxides, adding non-noble metal oxide precursor, mixing, dissolving in coating solution, brushing coating solution on titanium plate or foam nickel, drying, oxidizing, cooling, repeating coating process and treating. USE - Method of preparing graphene-doped iridium oxide based porous electrode (claimed). ADVANTAGE - The electrode has high conductivity and unique electronic structure. DETAILED DESCRIPTION - Preparation of graphene-doped iridium oxide based porous electrode comprises using TA2 titanium plate or foam nickel as substrate, degreasing, etching, washing with deionized water, dissolving iridium acid in absolute ethanol, adding graphene and hydrochloric acid, treating graphene, mixing acidified graphene with chloro-iridium acid solution, dissolving precursors of non-noble metal oxides in anhydrous ethanol or n-butanol solution, adding non-noble metal oxide precursor, mixing, dissolving in coating solution with 30 wt.% metal ion, brushing coating solution on titanium plate or foam nickel, drying with infrared light, oxidizing at 300 degrees C for 10 minutes, cooling with air, repeating coating process and treating at 300-380 degrees C for 1-6 hours.