fig4

Figure 4. (A) Time-resolved in situ XRD results obtained when Ti₃C₂-TPAL undergoes sodiation and desodiation. SEM images of cycled (B and C) Ti₃C₂-TPAL and (D and E) Ti₃C₂ electrodes. DRT analysis of (F and G) Ti₃C₂-TPAL and (H and I) Ti₃C₂ during charge and discharge. Schematic illustrations of Na⁺ storage mechanisms in (J) Ti₃C₂-TPAL and (K) Ti₃C₂.