Structure of different Na salts and their room-temperature solubility in MA.
Salt | NaBF4 | NaOTf | NaClO4 | NaTFSI | NaPF6 | NaFSI | |
---|---|---|---|---|---|---|---|
Chemical structure of the anion | |||||||
Solubility in MA | Molality (m, mol kg−1) | <0.01 | 0.1–0.2 | 1.6–1.8 | 5.2–6.0 | 6.0–7.0 | 11.0–11.8 |
Molarity (M, mol L−1) | <0.01 | 0.1–0.2 | 1.5–1.7 | 4.8–5.6 | 5.6–6.5 | 10.3–11.0 |