fig11

Figure 11. (A) Raman spectra of three electrolytes^[139]. Reprinted with permission from Ref.^[139]. Copyright 2024 Wiley-VCH^[139]. (B) XPS spectra of C 1s, F 1s, N 1s, and S 2p on K_0.67MnO₂ surface^[142]. Reprinted with permission from Ref.^[142]. Copyright 2024 Wiley-VCH^[142]. TEM images of SEI on the graphite cycled in 0.8 M KFSI-TFP (C) and 0.8 M KPF₆-EC/DEC (D) for 20 and 200 cycles^[143]. (C and D) Figures reprinted with permission from Ref.^[143]. Copyright 2023 Wiley-VCH^[143]. AFM images and surface modulus distribution of K_0.5MnO₂ surface cycled in (E1, E3) BE and (E2, E4) BE-LiDFOB electrolytes^[145]. Reprinted with permission from Ref.^[145]. Copyright 2024 Wiley-VCH^[145]. (F) LSV curves of electrolytes of nitrate-free electrolyte, nitrate-containing electrolyte and KTFSI electrolyte in K||Al cells^[146]. Reprinted with permission from Ref.^[146]. Copyright 2024 Wiley-VCH^[146].