fig13

Figure 13. (A) Types and functions of microstructural modules schematic diagram. (B and C) SEM images of HEO424 and NFM424. (D) Schematic illustrations showing the morphological structure of HEO424 and NFM424. (B-D) Reproduced with permission^[105]. Copyright 2022. American Chemical Society; (E) Schematic showing the arrangement of the outermost electron of Sn⁴⁺. (F) Schematic of morphological evolution. (G-K) SEM images of NaNi_0.5Mn_0.5-xSn_xO₂ cathode materials. (E-K) Reproduced with permission^[168]. Copyright 2023. American Chemical Society. SEM: Scanning electron microscope.