fig5

Figure 5. (A) ⁶Li EXSY spectra of Li_7-2x-3yAl_yLa₃Zr_2-xW_xO₁₂ (0 ≤ x ≤ 1). Copyright 2015, American Chemical Society^[68]; (B) ⁶Li NMR of LiClO₄ in PEO, pure LLZO, and LLZO-PEO composite; (C) ⁶Li CP NMR spectrum and quantification for the LLZO-PEO electrolyte; (D) Illustration of the symmetric ⁶Li/composite electrolyte/⁶Li battery and possible Li⁺ transport pathways; (E) Comparison of the ⁶Li NMR spectra of the LLZO-PEO composite electrolytes before (pristine) and after (cycled) cycling; (F) Quantitative analysis of ⁶Li amount in LiClO₄, interface, and LLZO before and after cycling. Copyright 2016, Wiley-VCH^[72]. EXSY: Exchange spectroscopy; LLZO: Li₇La₃Zr₂O₁₂; PEO: poly(ethylene oxide); NMR: nuclear magnetic resonance.