Fig. 2: Characterization of nanostructure and composition of SEI.
From: Robust bilayer solid electrolyte interphase for Zn electrode with high utilization and efficiency
a HRTEM images of Zn surface with no SEI formation in ZnSO4 electrolyte. b, c HRTEM images of bilayer SEI on the Zn surface in ZnSO4-DMI electrolyte. d STEM image of bilayer SEI on the Zn surface. e–i The corresponding EDS mapping of (d). j–l Fast Fourier transform on three representative regions of the SEI outer layer. m-u, Actual vs. theoretical reciprocal space of (m–o) ZnO-mp-2133, (p–r) ZnCO3-mp-9812 and (s–u) Zn(CO2)2-mp-559437 in different crystal regions.
