fig11

From: Challenges, strategies and prospects in interfaces between Li metal anode and polyether-based solid-state electrolytes

Figure 11. (A) Optical image of the PEO-TiN/PEO-LiYF₄/PEO-TiN membrane; (B) Schematic illustration of the cyclic evolution between sandwich-CSE and Li metal and the suppression of Li dendrite processes in a lithium symmetric cell. Figure 11A and B is reprinted with permission from Ref. [133], Copyright © 2023 American Chemical Society; (C) Schematic of species distribution in the CSEs-1%Li₂S₆ membrane and at the lithium metal anode interface; (D and E) TOF-SIMS depth profiles and 3D reconstruction of the sputtered volume of Li₂S^-, Li₂S₂^- species. Figure 11C-E is reprinted with permission from Ref. [134], Copyright © 2021 Wiley. PEO: Polyethylene oxide; CSE: composite solid electrolyte; TOF-SIMS: time-of-flight secondary ion mass spectrometry; LiTFSI: lithium bis(trifluoromethanesulfonyl) imide; LLZTO: Li_6.4La₃Zr_1.4Ta_0.6O₁₂.