▎ 摘　　要

NOVELTY - A graphene oxide modified zinc bromine based electrode is prepared by preparing leach solution by adding 10 mg N-methylpyrrolidone solution to 1-10 mg graphene oxide where the N-methylpyrrolidone solution contains 5% Nafion solution containing 10% polyvinylidene fluoride or 10% polytetrafluoroethylene solution, followed by placing the solution at -5 to 5 degrees C, uniformly dispersing the carbon felt soaked in the solution for 6-12 hours, removing the carbon blanket and drying in a vacuum oven, and removing the spare part of the carbon blanket. USE - Graphene oxide modified zinc bromine based electrode for use in liquid flow battery (claimed). ADVANTAGE - The electrode has high specific surface area and the oxygen-enriched functional group by the simple impregnation method, and good fixing effect of the positive electrode on bromine, reduces the penetration of bromine and improves the efficiency and battery performance.