Table 1 Kinetic parameters of Si, Si@G, and Si@void@G electrodes
Samples and cycle numbers | R1 (Ω) | R2 (Ω) | R3 (Ω) | W (Ω) |
|---|---|---|---|---|
Si 5 cycles | 2.543 | 9.703 | 38.92 | 287.5 |
Si 50 cycles | 64.74 | 345.2 | 18.92 | 1846 |
Si@G 5 cycles | 7.762 | 5.466 | 6.249 | 30.07 |
Si@G 50 cycles | 8.312 | 116.8 | 47.34 | 421.8 |
Si@void@G 5 cycles | 1.983 | 15.23 | 10.37 | 20.89 |
Si@void@G 50 cycles | 3.576 | 42.9 | 23.86 | 166.9 |