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The reversible capacities of the CoS samples at different current densities.
| Samples | 100 mA/g | 200 mA/g | 500 mA/g | 800 mA/g | 500 mA/g | 200 mA/g | 100 mA/g |
|---|---|---|---|---|---|---|---|
| CoS-140 | 1,451 | 1,170 | 958 | 815 | 889 | 1,015 | 1,047 |
| CoS-160 | 766 | 684 | 595 | 551 | 572 | 643 | 723 |
| CoS-180 | 879 | 546 | 361 | 279 | 280 | 347 | 434 |
| CoS-200 | 389 | 357 | 276 | 230 | 326 | 485 | 658 |
