▎ 摘　　要

NOVELTY - A bacteria cellulose based polypyrrole/graphene flexible electrode material preparing method involves using bacteria cellulose, soaking, washing, dispersing with deionized water and stirring to obtain bacteria cellulose slurry, followed by dispersing graphene with hydrochloric acid, adding pyrrole monomer, stirring to obtain mixture-A, dispersing oxidizing agent with deionized water to obtain solution-B, adding mixture-A, performing polymerization process, depositing bacteria cellulose slurry, adding polypyrrole/graphene composite material dispersion and drying to obtain finished product. USE - Method for preparing bacteria cellulose based polypyrrole/graphene flexible electrode material that is utilized as super capacitor (claimed), conductive material film instrument and nanometer material technical field. ADVANTAGE - The method enables preparing bacteria cellulose based polypyrrole/graphene flexible electrode material with high stability, high mechanical property, better circulation performance, better corrosion resistance property, better rate capability and better capacitive symmetry. DETAILED DESCRIPTION - A bacteria cellulose based polypyrrole/graphene flexible electrode material preparing method involves using bacteria cellulose, soaking with deionized water, washing ultrasonically, dispersing uniformly with deionized water and transferring into homogenizing machine for high speed stirring to obtain bacteria cellulose slurry, followed by dispersing acidified graphene with 0.3-2 mol/l hydrochloric acid solution, adding pyrrole monomer, stirring to disperse uniformly to obtain mixture-A, dispersing oxidizing agent with deionized water to obtain solution-B, adding mixture-A, performing in-situ oxidative polymerization to generate polypyrrole/graphene composite material dispersion, depositing bacteria cellulose slurry by vacuum filtration, adding polypyrrole/graphene composite material dispersion for filming suction and placing into vacuum drying box for drying to obtain finished product, where the mass ratio of bacteria cellulose based polypyrrole/graphene flexible electrode material and pyrrole monomer is 0.2-10:1, the mass ratio of bacteria cellulose based polypyrrole/graphene flexible electrode material and acidified graphene is 1:0.03-0.2, the molar ratio of hydrochloric acid and pyrrole monomer is 1:0.02-0.2 and the mass ratio of pyrrole monomer and oxidizing agent is 0.3-6:1.