fig7

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

Figure 7. (A) Physical and structural diagrams of the PEO-LiClO₄ and PEO-LiClO₄-Fumed-SiO₂ SPE. Figure 7A is reprinted with permission from Ref. [101], Copyright © 2021 Royal Society of Chemistry; (B) Scanning electron microscopy (SEM) images of vertically aligned 1D LLTO nano-arrays; (C) Cross-sectional morphology of the PEO/LLTO nano-arrays with top view sample inset. Figure 7B and C is reprinted with permission from Ref. [102] Copyright © 2025 Royal Society of Chemistry; (D) Schematic diagram of the preparing process for PEO/2D MOFs CSE; (E) Stress-strain curves of SPEs; (F) Voltage profiles of PEO/2D MOF electrolyte-based Li/Li symmetric cells. Figure 7D-F is reprinted with permission from Ref. [103], Copyright © 2023 Wiley. PEO: Polyethylene oxide; SPE: solid polymer electrolyte; 1D: wire-like fillers; LLTO: Li_0.5La_0.5TiO₃; 2D: two-dimensional; MOF: metal-organic framework; CSE: composite solid electrolyte; FS: fumed silica.