▎ 摘　　要

NOVELTY - A graphene flexible supercapacitor comprises a graphene layer and a self-healing layer, where the polygraphene layer is a continuous, single-layered and/or multi-layered pure graphene film, and the self-healing layer is made of a mixture of polycaprolactone and polyurethane. USE - Graphene flexible supercapacitor. ADVANTAGE - The graphene flexible supercapacitor has self-healing function, large amplitude and high stability of resistivity. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing graphene flexible supercapacitor.