Figure 10

XPS spectra of m-Si electrode after 10 cycles: (a) Si2p, (c) C1s, (e) F1s, (g) Li1s. XPS spectra of N-C@m-Si electrode after 10 cycles: (b) Si2p, (d) C1s, (f) F1s, (h) Li1s.

XPS spectra of m-Si electrode after 10 cycles: (a) Si2p, (c) C1s, (e) F1s, (g) Li1s. XPS spectra of N-C@m-Si electrode after 10 cycles: (b) Si2p, (d) C1s, (f) F1s, (h) Li1s.