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. 2019 Feb 27;12(5):703. doi: 10.3390/ma12050703

Figure 14.

Figure 14

SEM images of (a,b) graphene foam; (c,d) graphene/PPy-600 at different magnifications; (e) digital photographs of a graphene/PPy-600 all-solid-state supercapacitor being stretched from 0% to 50% strain; (f) CV curves of the supercapacitor under different tensile strain; (g) GCD curves of the supercapacitor under different tensile strains; (h) dependence of the normalized capacitance on the number of stretching cycles for a tensile strain of 30%. Reproduced with permission from [136]. Elsevier (2018).