fig3
From: Design of manganese dioxide for supercapacitors and zinc-ion batteries: similarities and differences
Figure 3. (A) Intercalation/deintercalation of Na+ using NaClO4 as the electrolyte. Reproduced with permission[60]. Copyright 2018, Elsevier. (B) charge storage mechanism of α-MnO2-based SC using ZnSO4 and MnSO4 as the electrolyte. Reproduced with permission[61]. Copyright 2020, Wiley-VCH. (C) redox reactions of MnO2 in acidic, neutral and alkaline electrolytes, respectively. Reproduced with permission[63]. Copyright 2019, Elsevier.
