Fig. 2From: A flexible cable-shaped supercapacitor based on carbon fibers coated with graphene flakes for wearable electronic applicationsFabrication sequences of the proposed flexible cable-shaped supercapacitor: a deposition of GFs on the surface of the CF bundles, b 20 times twisted CF bundles, c deposition of gel electrolyte, d spraying of release agent, e injection of PDMS, and f removal of the shrinkable tubeBack to article page