▎ 摘　　要

NOVELTY - The method involves adding the cobalt nitrate hexahydrate and nickel nitrate hexahydrate into the deionized water, stirring and dissolving to obtain cobalt-nickel double-metal salt solution A, adding a certain amount of sodium alginate into the oxidized graphene solution, stirring to obtain solution B, slowly adding the solution A into the solution B, magnetically stirring, adjusting the pH value of the solution to be alkaline, stirring to obtain the suspension C, pouring the suspension C into the silica gel mold, placing the bottom in the surface of the copper block of liquid nitrogen for directional freezing, freezing and drying, vacuumizing, carbonizing to obtain the carbon quantum dot anchoring cobalt-nickel double-metal oxide/graphene aerogel composite material, placing the carbon quantum dot anchor cobalt-nickel double metal oxide/graphene aerogel composite material in the ceramic boat with sulfur doped reagent, vacuumizing and raising the temperature to obtain the product. USE - The method for preparing carbon quantum dot anchor cobalt-nickel double metal sulfide/graphene aerogel composite material with nitrogen and sulfur co-doped carbon quantum dot is used in super capacitor electrode material claimed). ADVANTAGE - The method solves the problem of low graphene gas gel mechanical strength by easy graphene the nano sheet layer and limited application problem. The graphene aerogel composite material has large specific capacitance and good cycle stability, and is a super capacitor electrode material with excellent performance.