▎ 摘　　要

NOVELTY - An iron/copper graphene zinc air battery cathode catalyst preparing method involves dissolving a ferric chloride and sodium hydroxide hexahydrate in deionized water, uniformly dispersing, transferring mixed solution to the reaction kettle, and drying, dissolving copper chloride dihydrate in deionized water, adding polyethylene glycol, stirring until dissolved, adding sodium hydroxide solution, stirring, washing and drying. The ferric oxyhydroxide precursor and copper hydroxide precursors are dissolved in deionized water. The gel is placed in a quartz tube closed at one end, the quartz tube is placed in a muffle furnace. The black solid is immersed in a hydrochloric acid solution for 8-12 hours, washed with deionized water and ethanol until neutral, dried. The dried black powder is placed in a quartz tube closed at one end, vacuumed, and calcined to obtain the finished product. USE - Method for preparing an iron/copper graphene zinc air battery cathode catalyst for preparation of air cathode for zinc air battery (claimed). ADVANTAGE - The method enables preparing an iron/copper graphene zinc air battery cathode catalyst with amorphous structure, high electrocatalytic oxygen reduction activity and better stability, and wide application prospect, in convenient and efficient manner. DETAILED DESCRIPTION - An iron/copper graphene zinc air battery cathode catalyst preparing method involves dissolving a ferric chloride and sodium hydroxide hexahydrate in deionized water, ultrasonically to uniformly dispersing, transferring mixed solution to the reaction kettle at 80-120 degrees C for 2-6 hours, and cooling to room temperature, and washing and drying to obtain a ferric oxyhydroxide precursor, dissolving copper chloride dihydrate in deionized water, adding polyethylene glycol, stirring until dissolved, adding sodium hydroxide solution, stirring at room temperature for half an hour, washing and drying to obtain copper hydroxide precursors. The urea is placed in a tube furnace, and calcined at 500-700 degrees C for 4-8 hours under argon atmosphere to obtain graphite phase carbon nitride. The ferric oxyhydroxide precursor and copper hydroxide precursors are dissolved in deionized water, added to the graphene oxide aqueous dispersion after ultrasonic for 20-40 minutes, and ultrasonically dispersed, after weighed graphite phase carbon nitride is dissolved in deionized water to obtain a graphite phase carbon nitride solution. The graphite phase carbon nitride solution is added to the ferric oxyhydroxide precursor/copper hydroxide precursors/graphene oxide mixed solution, after stirring, a sodium alginate is added, continue stirring for 4-6 hours, dried in oven at 40-60 degrees C for 8-12 hours to obtain gel. The gel is placed in a quartz tube closed at one end, the air in the tube is removed by a centrifugal pump, and after being sealed, the quartz tube is placed in a muffle furnace at 750-950 degrees C for 10-25 minutes, and cooled at room temperature to obtain a black solid. The black solid is immersed in a hydrochloric acid solution for 8-12 hours and kept at 50-80 degrees C, washed with deionized water and ethanol until neutral, dried. The dried black powder is placed in a quartz tube closed at one end, vacuumed, calcined at 750-950 degrees C for 10-20 minutes, and cooled to obtain the finished product. An INDEPENDENT CLAIM is also included for an iron/copper graphene zinc air battery cathode catalyst prepared by the method.