Table 10.
Property | Present Study | Previous Study | ||||
---|---|---|---|---|---|---|
TEM | Pure Te the interplanar spacing of the nanocrystal is 0.417 nm, 0.395 nm, 0.443 nm. | The interplanar spacing of the Tellurium nanocrystal is 0.235 and 0.206 nm [46]. | ||||
Te + Gr the interplanar spacing of the nanocrystal is 0.307 nm, 0.308 nm, 0.335 nm. | ||||||
Te + Si + Gr the interplanar spacing of the nanocrystal is 0.396 nm, 0.424 nm. | ||||||
Te + Si the interplanar spacing of the nanocrystal is 0.224 nm, 0.229 nm. | ||||||
TGA&DSC | Sample Name | Temperature (0–700 ) | The Te content in the composite (Te@MPC) was determined to be 68.0 wt % by thermogravimetric analysis (TGA). Temperature ranges from 0 to 700 [47]. Note: Microporous Carbon (MPC) |
|||
Pure Te | 61.66 wt% | |||||
Te + Si + Gr | 49.86 wt% | |||||
Te + Si | 50.94 wt% | |||||
Te + Si | 44.82 wt% | |||||
CV | Scan rate (mV/s) | Scan rate (mV/s) | ||||
Sample Name | 25 mV/s | 50 mV/s | 100 mV/s | Sample Name | 10–50 mV/s | |
Pure Te | 709.23 mAh/g | 480.10 mAh/g | 186.96 mAh/g | SeCoOTe/F | 752.95C/g or 209.15 mAh/g [48] | |
Te + Gr | 621.93 | 190.73 | 196.04 | SCoOTe/NF | 512.40C/g or 142.33 mAh/g [48] | |
Te + Si + Gr | 173.11 | 212.40 | 216.40 | CoOTe/NF | 485.15C/g or 134.76 mAh/g [48] | |
Te + Si | 1486.91 | 507.71 | 474.47 | Note-(1 mAh/g = 3.6C/g) | ||
Ti5Te4/P@C | 440 mAh/g [49] | |||||
Ti5Te4/P(30 wt%)@C | 300 mA/g [49] | |||||
EIS | Charge transfer resistance (Rct) | Charge transfer resistance (Rct) | ||||
Sample Name | P-CoOTe/NF 18.5 Ω [48] CoOTe/NF 20.99 Ω [48] |
|||||
Pure Te | 759.07 Ω | |||||
Te + Gr | 4.21 Ω | |||||
Te + Si + Gr | 36.39 Ω | |||||
Te + Si | 164.905 Ω |