Fig. 3: Structure characterizations and mix anion functions of xLi₂O-TaCl₅ amorphous SEs.

a Raman spectra of the xLi₂O-TaCl₅ compounds, Ta₂O₅, and TaCl₅. b–d O 1 s XPS (b), Cl 2p XPS (c), and Cl K-edge XAS (d) for xLi₂O-TaCl₅ amorphous SEs. Source data are provided as a Source Data file.