Correction to: Polym. Bull. (2018) 75:3641–3666 https://doi.org/10.1007/s00289-017-2229-2

This erratum corrects the Figs. 1 and 2e of the published paper. The results presented in the published paper are correct and are not affected by the change in figures.

Fig. 1
figure 1

XRD analysis of polymer electrolyte films for different wt% ratios of a Pure PVP, b (95:5), c (90:10), d (85:15) and e (80:20)

Fig. 2
figure 2

e SEM image of polymer electrolyte film for e (80:20) wt% ratios of SPE

The authors regret for the change in Figures.