fig5

Figure 5. (A) Schematic illustration of preparing hard carbon^[80]; (B) Transmission electron microscopy image of V₂O₃ /a-NVO^[81]; (C) Cycling stability of V₂O₃/a-NVO^[81]; (D) Schematic diagram for synthesis of layered/spinel heterostructured LS-LMO^[82]; (E) High-angle annular dark-field scanning transmission electron microscopy image of LS-LMO^[82]; (F) Long-term cycling stability of Zn-I₂ batteries^[83]; LS-LMO: a layered Li₂MnO₃ and spinel LiMn₂O₄ heterostructured cathode material.