Table 1.
Summary of various reported cathodes for RT-Na-S batteries.
| Cathodea | Electrolytea | Capacity (mAh g–1, cycles) | Current (mA g–1) | Ref. | |
|---|---|---|---|---|---|
| S | S/C/PEO | NaCF3SO3/TEGDME | 250 (10) | 0.14 mA cm–2 | [14] |
| Non-covalent S−C | S@OMCS | NaPF6/NaNO3/TEGDME | 300 (1500) | 1675 | [17] |
| S@iMCHS | NaClO4/PC/EC | 292 (200) | 100 | [18] | |
| MCPS | NaClO4/SiO2-IL-ClO4/PC/EC | 800 (50) | 167.5 | [22] | |
| cZIF-8/S | NaClO4/TEGDME | 500 (250) | 337 | [23] | |
| S/(CNT@MPC) | NaClO4/PC/EC | 600 (200) | 1675 | [26] | |
| CFC/S | NaClO4/NaNO3/TEGDME | 120 (300) | 167.5 | [27] | |
| Covalent S−C | SPAN | NaClO4/EC/DMC | 500 (18) | 0.1 mA cm–2 | [29] |
| c-PANS NFs | NaClO4/EC/DEC | 153 (500) | 250 | [31] | |
| S/PTCDA | NaClO4/EC/DMC | 400 (150) | 150 | [32] | |
| CSCM-18 | NaClO4/EC/DMC | 1000 (900) | 80 | [33] | |
| S-polymer | CS90-rGO | NaClO4/NaNO3/TEGDME | 498 (50) | 200 | [38] |
| S-PETEA | Gel polymer | 736 (100) | 167.5 | [39] | |
| S-MXene | S-Ti3C2Tx | NaTSFI/PC/EC/FEC | 483.7 (600) | 1675 | [43] |
| Functional group-containing cathode | HSMC-Cu-S | NaClO4/EC/DMC | 610 (110) | 50 | [45] |
| rGO/S/MnxOy | NaClO4/NaNO3/TEGDME | 270 (200) | 500 | [46] | |
| Sodium polysulfide | Na2S-MWCNT | NaClO4/NaNO3/TEGDME | 560 (50) | 167.5 | [47] |
| Na2S6-MWCNT | NaClO4/NaNO3/TEGDME | 400 (30) | No data | [69] | |
aNote: polyethylene oxide (PEO), ordered microporous carbon sphere (OMCS), interconnected mesoporous hollow carbon nanosphere (iMCHS), microporous carbon polyhedron-sulfur composite (MCPS), carbonized zeolitic imidazolate framework-8 (cZIF-8), carbon nanotube (CNT), microporous carbon sheath (MPC), carbon fiber cloth (CFC), polyacrylonitrile (PAN), covalent sulfur-based carbonaceous materials (CSCM), poly(S-pentaerythritol tetraacrylate) (S-PETEA), high-surface-area mesoporous carbon (HSMC), tetraethylene glycol dimethyl ether (TEGDME), propylene carbonate (PC), ethylene carbonate (EC), dimethyl carbonate (DMC), diethyl carbonate (DEC), fluoroethylene carbonate (FEC), sodium bis(trifluoromethylsulfonyl)imide (NaTSFI).