▎ 摘　　要

NOVELTY - Preparing three dimension graphene hydrogel electrode material comprises e.g. taking graphite oxide as raw material, dissolving, stirring to obtain graphite oxide solution; placing in ultrasound and ultrasonic peeling machine; adding reduced glutathione, stirring; sealing, carrying out hydrothermal reduction; taking out graphene hydrogel, allowing to stand in water bath to obtain three dimensional graphene hydrogel electrode material; carrying out size processing, tableting to obtain graphene hydrogel thin film and adhering electrode film using electrically conductive double-sided adhesive. USE - The material is useful for capacitive deionization electrode (claimed). ADVANTAGE - The electrode has scanning speed of 20 mV/s and specific capacitance of sodium chloride electrolyte reach to 115 F/g. DETAILED DESCRIPTION - Preparing three dimension graphene hydrogel electrode material comprises (i) taking graphite oxide as raw material, dissolving graphite oxide in deionized water, stirring to obtain graphite oxide solution; (ii) placing in ultrasound and ultrasonic peeling machine to obtain graphene oxide solution; (iii) adding corresponding ratio of reduced glutathione into graphite oxide solution and graphene oxide solution, adding ammonia water, stirring uniformly, where the mass ratio of dosage graphite oxide and glutathione is 2.5:1-3.5:1, the volume ratio of deionized water and ammonia water is 20: 0.6-20:1; (iv) sealing, allowing to stand, carrying out hydrothermal reduction which can automatically assembly as three dimension graphene hydrogel; (v) taking out graphene hydrogel, exchanging distilled water, continuing sealing, allowing to stand in water bath, removing impurity inside the hydrogel to obtain three dimensional graphene hydrogel electrode material; and (vi) carrying out size processing according to the collector size and requirement of the hydrogel slice, tableting to obtain graphene hydrogel thin film and adhering three dimension graphene hydrogel electrode material using electrically conductive double-sided adhesive or carrying out freeze-drying hydrogel graphene to obtain graphene aerogel, according to the collector size and requirement of aerogel slice and adhering three dimensional graphene aerogel using electrically conductive double-sided adhesive.