▎ 摘　　要

NOVELTY - A graphene electrode material preparing method involves weighing 30-45 pts. wt. graphene, 5-10 pts. wt. carbon nitride, 8-15 pts. wt. polycaprolactone, 4-9 pts. wt. monoglyceryl stearate, 4-9 pts. wt. dimethyl carbonate, 3-6 pts. wt. aluminum isopropoxide, 4-7 pts. wt. dispersing agent, 3-6 pts. wt. silane coupling agent and 3-8 pts. wt. adhesive and adding graphene to concentrated sulfuric acid to obtain a graphene oxide-based material, adding N-methylbutylpiperidine bistrifluoromethanesulfonimide salt, triethylene glycol and dimethyl carbonate to obtain a graphene suspension, adding carbon nitride, polycaprolactone, aluminum isopropoxide, titanium boride, p-toluenesulfonic acid, magnesium hydroxide, silicon tetrachloride and rare earth to the mixer, adding triethylamine, aluminum starch octenyl succinate, a silane coupling agent and an adhesive to obtain a mixture and injecting the mixture into a spray dryer and drying into a powder to obtain the finished product. USE - Method for preparing graphene electrode material. ADVANTAGE - The method enables preparing graphene electrode material with excellent electric conductivity, better thermal conductivity and electrochemical performance and enhanced circulating performance of electrode. DETAILED DESCRIPTION - A graphene electrode material preparing method involves weighing 30-45 pts. wt. graphene, 5-10 pts. wt. carbon nitride, 8-15 pts. wt. polycaprolactone, 5-8 pts. wt. N-methylbutylpiperidine bistrifluoromethanesulfonimide salt, 5-10 pts. wt. triethylene glycol, 4-9 pts. wt. monoglyceryl stearate, 4-9 pts. wt. dimethyl carbonate, 3-6 pts. wt. aluminum isopropoxide, 1-3 pts. wt. titanium boride, 4-7 pts. wt. p-toluenesulfonic acid, 2-5 pts. wt. magnesium hydroxide, 4-9 pts. wt. silicon tetrachloride, 1-4 pts. wt. triethylamine, 3-6 pts. wt. starch octenyl succinate, 1-4 pts. wt. rare earth, 4-7 pts. wt. dispersing agent, 3-6 pts. wt. silane coupling agent and 3-8 pts. wt. adhesive, adding graphene to concentrated sulfuric acid to obtain a graphene oxide-based material, and dispersing in a dispersing agent by ultrasonication, simultaneously adding N-methylbutylpiperidine bistrifluoromethanesulfonimide salt, triethylene glycol, monoglyceryl stearate and dimethyl carbonate to obtain a graphene suspension, adding carbon nitride, polycaprolactone, aluminum isopropoxide, titanium boride, p-toluenesulfonic acid, magnesium hydroxide, silicon tetrachloride and rare earth to the mixer, stirring uniformly and using ammonia water under the pH to 3-5, placing graphene oxide material and the stirring mixture into an internal mixer, adding triethylamine, aluminum starch octenyl succinate, a silane coupling agent and an adhesive, mixing in a gas atmosphere, the reaction temperature is 720-850 degrees C and cooling to 220 degrees C to obtain a mixture, injecting the mixture into a spray dryer and drying into a powder, injecting the material sprayed from the spray dryer into the muffle furnace and evenly coating on the treated electrode, after adding the material and filling with reducing gas protection at room temperature to obtain the finished product.