fig6

Figure 6. C 1s, F 1s, and S 2p XPS spectra of graphite electrodes after 100 cycles with (A) fluorinated ether and (B) carbonate electrolytes; C 1s, F 1s, and S 2p XPS spectra of NCM811 electrodes after 100 cycles with (C) fluorinated ether and (D) carbonate electrolytes.