fig4
From: Design of manganese dioxide for supercapacitors and zinc-ion batteries: similarities and differences
Figure 4. (A) Synthetic process of restacked MnO2. (B) rate capability in K2SO4 electrolyte at current densities from 0.2 to 10 A g-1. Reproduced with permission[78]. Copyright 2017, American Chemical Society. (C) structural evolution of Mn3O4 during electrochemical oxidation. (D) cyclic performance of Na0.5MnO2 nanowall arrays (NWAs) in different potential windows. Reproduced with permission[84]. Copyright 2017, Wiley-VCH.
