Fig. 3: Characterization of SEI on the Li metal surface. | Nature Communications

Fig. 3: Characterization of SEI on the Li metal surface.

From: Screening of F-containing electrolyte additives and clarifying their decomposition routes for stable Li metal anodes

Fig. 3

In-depth C 1s XPS spectra of Li metal anodes after 20 cycles in a Blank, b F6, and c F6L. In-depth F 1s XPS spectra of Li metal anodes after 20 cycles in d Blank, e F6, and f F6L. g TOF-SIMS depth profiles of SEIs formed in Blank, F6, and F6L. Cryo-TEM images of SEIs formed in h Blank, i F6, and j F6L. Source data are provided as a Source Data file.

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