ZnO-CuO/rGO (reduced graphene oxide) composite material with efficient electrocatalytic oxygen reduction performance

The invention relates to a ZnO-CuO/rGO (reduced graphene oxide) composite material with efficient electrocatalytic oxygen reduction performance, belonging to the technical field of electrocatalytic materials. According to the ZnO-CuO/rGO composite material, nano ZnO-CuO particles are attached to the lamellae of the rGO, and the mass ratio of the ZnO-CuO to the rGO is 100:(3-5); the size of the nano ZnO-CuO particles is 6-11bm; the rGO is unilaminar; and the ZnO-CuO/rGO composite material has the electrocatalytic oxygen reduction performance. Compared with the existing oxygen reduction reaction catalyst, the ZnO-CuO/rGO composite material has obviously lower cost; and the ZnO-CuO/rGO composite material has the advantages of low price and excellent electrocatalytic oxygen reduction performance. The ZnO-CuO/rGO composite material is prepared from a zinc salt, a copper salt, a hydroxide and GO by a hydrothermal one-pot process by using deionized water and anhydrous ethanol as solvents and ethanediol as a dispersi