Electrolyte Structure and Performance Comparison (IMAGE)
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(a) Solubility of H2O-ILs and KOTf-H2O -ILs (EMIMNTf2, EMIMOTf, EMIMBF4, and EMIMPF6). (b) Schematic illustration of the possible change in potassium-ion primary solvation shell. (c) Ternary phase diagrams of KOTf-H2O-EMIMNTf2 mixtures at room temperature. (d) ESW for various electrolytes measured at a scan rate of 5 mV s−1 versus Ag wire. (e) Raman spectra of different electrolytes compared with pure water and IL. (f) MD snapshots of KOTf-H2O-(EMIMNTf2)0.1 electrolyte. (g) PDF (g(r)) and corresponding coordinate number (n(r)) of KOTf-H2O-(EMIMNTf2)0.1 electrolyte.
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