Fig. 3: Interfacial studies of chemical composition and mechanical stability of bilayer SEI.
From: Robust bilayer solid electrolyte interphase for Zn electrode with high utilization and efficiency

a–c XPS spectra of (a) C 1 s, (b) N 1 s, and (c) S 2p after Ar+ sputtering from 0 s to 600 s. d, 3D views of organic and inorganic components in the ToF-SIMS of SEI. e–f DMT modulus distribution of bilayer SEI.