fig5

Figure 5. (A) Schematic of the synthesis process and (B) cyclic stability of TiO₂/C@NPSC. This figure is quoted with permission from Li et al.^[106]. HRTEM images of 3DG/FeP after first discharge to (C) 2.0 V, (D) 0.9 V, (E) 0.01 V, and first charge to (F) 3.0 V; (G) XRD patterns of corresponding state; (H) Schematic of the K ion storage mechanism of 3DG/FeP. This figure is quoted with permission from Zhang et al.^[107]. (I) Schematic of the synthesis process of MoS₂⊂C. This figure is quoted with permission from Hu et al.^[118].