Table 1 Solubility of S8 and Sx2− (mM S) in the selected electrolyte solutions and solvents
From: The role of electrocatalytic materials for developing post-lithium metal||sulfur batteries
Solutions/solvents | S8 | S82− | S62− | S42− | S32− | S22− | S2− | Refs. |
|---|---|---|---|---|---|---|---|---|
0.98 M LiTFSIa in TEGDMEb | 4 | 6046 | – | 34.1 | – | 13.9 | 0.8 | |
Li2Sx in THFc | – | ~10,000 | ~6500 | ~600 | ~300 | ~100 | – | |
Li2Sx in DMSOd | 3.9 | ~14,250 | ~6000 | ~1500 | ~800 | ~300 | <0.2 | |
Na2Sx in TEGDME | – | 10,560 | 7140 | 2400 | 39 | – | <6.7 | |
K2Sx in DMEe | – | – | – | – | ~10.8 | ~1.6 | – | |
1.0 M MgTFSI2 and 2.0 M MgCl2 in DME | 9.6 | <50 | 13.3 | – | – | – | – | |
AlCl3 with EMICf in a molar ratio of 1.3:1 | 11.9 | – | 18.0 | – | – | – | 21.1 |
