fig6

Figure 6. (A and B) ⁶Li NMR spectra of OISE-L after ⁶Li → ⁷Li tracer exchange at 10 and 30 µA currents, respectively; (C) quantitative analysis of ⁶Li amount in LLZTO, Li-deficient layer, Li₂CO₃ and LiClO₄ in PEO; (D and E) ⁶Li NMR spectra of OISE after ⁶Li → ⁷Li tracer exchange at 10 and 30 µA currents, respectively; (F) quantitative analysis of ⁶Li amount in LLZTO, Li-deficient layer, and LiClO₄ in PEO. Copyright 2024, Wiley-VCH^[79]. NMR: nuclear magnetic resonance; OISE: Organic-inorganic composite solid-state electrolyte; PEO: poly(ethylene oxide).