Controllable morphology of polypyrrole wrapped graphene hydrogel framework composites via cyclic voltammetry with aiding of poly (sodium 4-styrene sulfonate) for the flexible supercapacitor electrode
A facile strategy in one step fabrication via cyclic voltammetry. Controllable 3D-porous framework structure of nano-wrapped PPy on graphene hydrogel surface. Tailoring polypyrrole/graphene hydrogel supercapacitive properties by improving the degree level of porous structure with aiding of SDBS/or PSS. Flexible layer with the highly specific capacitance of 640.8 F g−1 at 1 A g−1 with excellent cycle stability.