fig7

Figure 7. (A) Schematic of in situ Raman spectra measurement; (B and C) In situ Raman spectra of N-HPC at corresponding voltages. This figure is quoted with permission from Zhou et al.^[90]. (D) In situ Raman spectra of NCS at corresponding voltages; (E) In situ Raman spectra and I_D/I_G of NCS at the pristine stage, 2.8 V and 0.01 V; (F) The wavenumber of G peak at corresponding voltages. This figure is quoted with permission from Liang et al.^[88]. (G) In situ Raman spectra of the Sn₃(PO₄)₂@PC at different charge/discharge states. This figure is quoted with permission from Jiang et al.^[47].