Table 1 The fitting results of electrochemical impedance spectroscopy of the pristine MoS2 and the MoS2@rGO-1,2,3 composite for the 30th and 50th cycles.
From: MoS2@rGO Nanoflakes as High Performance Anode Materials in Sodium Ion Batteries
Cycle number | R s (Ω) | R SEI (Ω) | R ct (Ω) | |||
|---|---|---|---|---|---|---|
30th | 50th | 30th | 50th | 30th | 50th | |
MoS2 | 20.0 | 11.1 | 83.3 | 2714 | 1726 | 6515 |
MoS2@rGO-1 | 8.8 | 11.6 | 10.7 | 26.7 | 166.2 | 247.9 |
MoS2@rGO-2 | 8.1 | 6.9 | 10.7 | 22.9 | 67.1 | 79.5 |
MoS2@rGO-3 | 5.8 | 6.2 | 14.3 | 16.8 | 45.3 | 63.3 |
