▎ 摘　　要

NOVELTY - Super capacitor electrode material, comprises thiourea formaldehyde resin based carbon material of the electrode material, which is deposited from the graphene surface composition. USE - The super capacitor electrode material is useful for thiourea-formaldehyde resin-based carbon graphene composition (claimed). ADVANTAGE - The electrode material has stable structure, high specific capacitance and good cycle performance, utilizes for potential in the electrode material of the super capacitor, and has simple preparation process, easy operation, has high efficiency; and is economical. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing super capacitor electrode material, comprises (i) taking expanded graphite as raw material, using Hummers method to prepare graphite oxide, which is dispersing in deionized water, in a concentration of 1-5 g/l, performing ultrasonic treatment for 2 hours, to obtain uniform graphite oxide solution; (ii) taking the GO solution is 100 ml in step (i), adding thiourea, ultrasonic dissolving, and mechanically stirring for 30 minutes in water bath at 40-80 degrees C, then adding 0.2-0.5 ml concentrated hydrochloric acid and 6 ml formaldehyde, continuously stirring and reacting for 2-8 hours, where the mol ratio of thiourea toformaldehyde is 0.5:1-5:1; (iii) taking the reaction liquid obtained in step (ii), carrying out suction filtration, washing, freezing and drying for 12-48 hours, to obtain composition material powder; and (iv) taking the composition material obtained in the step (iii), carrying out lower carbonizing under the protection of argon gas at 600-850 degrees C for 2-5 hours.