▎ 摘　　要

NOVELTY - A cobalt hydroxide/flexible graphene electrode material preparing method involves immersing bacterial cellulose in deionized water, ultrasonic washing the acid, and dispersing in deionized water and transferring to a homogenizer. Graphene oxide is dispersed in distilled water to obtain a graphene oxide dispersion, followed by bacterial cellulose forming a slurry, depositing cobalt hydroxide graphene composite, and placing in oven to obtain cobalt hydroxide/graphene flexible electrode material, cobalt hydroxide/graphene flexible cobalt hydroxide electrode material after vacuum filtration. USE - Method for preparing cobalt hydroxide/flexible graphene electrode material that is utilized as positive electrode material of supercapacitor (claimed). ADVANTAGE - The electrode material has high specific capacitance, better mechanical properties and better capacitive effect. DETAILED DESCRIPTION - A cobalt hydroxide/flexible graphene electrode material preparing method involves immersing bacterial cellulose in deionized water, ultrasonic washing the acid, and dispersing in deionized water and transferring to a homogenizer, high speed stirring to obtain a substrate with a bacterial cellulose pulp. Graphene oxide is dispersed in distilled water to obtain a graphene oxide dispersion, the cobalt salt is dissolved in distilled water, and added to the graphene oxide dispersion, ultrasonic dispersion evenly, aqueous ammonia is added and mixed uniformly, transferred to a reaction vessel and heated to obtain cobalt hydroxide graphene composite, followed by bacterial cellulose forming a slurry by vacuum filtering, depositing cobalt hydroxide graphene composite, and placing in a vacuum oven and drying to obtain cobalt hydroxide/graphene flexible electrode material, cobalt hydroxide/graphene flexible cobalt hydroxide electrode material after vacuum filtration with bacterial cellulose at mass ratio of (0.1-6): 1, where ratio of graphene oxide and cobalt salt is 1mg: (0.001-0.3 mmol), mass volume of graphene oxide and ammonia ratio is 1 mg: (0.001-0.1) mL.