Correction to: J Mater Sci: Mater Electron (2024) 35:1123 https://doi.org/10.1007/s10854-024-12803-1

In this article, the data in Fig. 7 is not visible; Fig. 7 should have appeared as shown below.

Fig. 7
figure 7

Variation of P.D. with E.D. for the deposited MnO2 electrodes investigated in different electrolyte solutions: Na2SO4, Mg Acetate, S.S.B., and Ni Acetate