fig6

Figure 6. (A) Energy storage mechanism in MnO₂/Zn batteries. This figure is reprinted (adapted) with permission from Guo et al. Copyright (2020) Elsevier^[82]. (B) Mn K-edge ex situ XAS; (C) Operando X-ray diffraction results. This figure is reprinted (adapted) with permission from Kankanallu et al Copyright (2023) RSC Publishing.^[83].