Fig. 6: XPS spectra of Si–C anodes and NCM811 cathodes after precycling.

a C 1s, O 1s, and F 1s spectra for Si–C anodes after precycling of NCM811/Si–C full cells with VC + DMVC-OCF3 + DMVC-OTMS and VC. b, O 1s, F 1s, and P 2p spectra for NCM811 cathodes obtained from NCM811/Si-C full cells after precycling in VC + DMVC-OCF3 + DMVC-OTMS and VC.