Figure 7
From: Inkjet-printed flexible planar Zn-MnO2 battery on paper substrate
(a) XRD patterns of the positive electrode of the IPZIB at discharged (0.8 V) and charged (1.9 V) state. The corresponding SEM image of the positive electrode at (b) discharged and (c) charged state. (d) Nyquist plot of the IPZIB after various cycle of charge–discharge and the corresponding equivalent circuit fitting.
