▎ 摘　　要

NOVELTY - The preparation method of polypyrrole-graphene-polyvinyl alcohol composite aerogel involves adding oxidized graphene solid into dispersant, stirring and ultrasonically dispersing to obtain oxidized graphene dispersion liquid, adding pyrrole, glutaraldehyde solution, and polyvinyl alcohol solution to oxidized graphene dispersion liquid, uniformly stirring, and leaving stand, circulating freezing and thawing obtained compound to obtain pyrrole-oxidized graphene-polyvinyl alcohol gel, and adding oxidant and hydrazine hydrate to obtained pyrrole-oxidized graphene-polyvinyl alcohol gel. USE - Preparation of polypyrrole-graphene-polyvinyl alcohol composite aerogel for electronic device such as compressible super capacitor. ADVANTAGE - The method enables preparation of polypyrrole-graphene-polyvinyl alcohol composite aerogel with excellent electrochemical performance and compression recoverability, by simple process. DETAILED DESCRIPTION - The preparation method of polypyrrole-graphene-polyvinyl alcohol composite aerogel involves (1) adding oxidized graphene solid into dispersant, stirring and ultrasonically dispersing to obtain certain concentration of oxidized graphene dispersion liquid, (2) orderly adding pyrrole, glutaraldehyde solution, and polyvinyl alcohol solution to oxidized graphene dispersion liquid, uniformly stirring, and leaving stand for a certain time, (3) circulating freezing and thawing the compound obtained in step (2) at low temperature and normal temperature for several times to obtain pyrrole-oxidized graphene-polyvinyl alcohol gel, and (4) adding oxidant and hydrazine hydrate to pyrrole-oxidized graphene-polyvinyl alcohol gel obtained in step (3).