Figure 13.

a) Schematic illustration showing the coaxial spinning process. Two‐ply YSCs and their electrochemical properties. b) SEM images of cross‐sectional view of a two‐ply YSC. The arrow area is PVA/H₃PO₄ electrolyte (scale bar: 50 µm) c) CV curves of RGO+CNT@CMC. d) GCD curves of RGO+CNT@CMC. Reproduced with permission.^{[ 264 ]} Copyright 2014, The Authors. e) Schematic illustration of the textile based SC fabrication process. The inset shows details of one‐step electrospinning setup. f) Photographs of the pristine cotton fabric, Ni‐coated cotton fabric (Ni–cotton), and CNF web‐coated Ni–cotton fabric (C‐web@Ni–cotton). g) Photographs of a large supercapacitor fabric (active area: 4 cm× 4 cm) enclosed with commercial nonconductive fabrics. h) CV curves of solid‐state C‐web@Ni–cotton supercapacitor fabric. i) Summary of the areal capacitance of the supercapacitor at different current densities. Reproduced with permission.^{[ 267 ]} Copyright 2016, The Royal Society of Chemistry.