Comparison of the lithium-storage performance between this work and reported SiO2-based anode materials previously.
Materials | Current density | Initial discharge specific capacity (mA h g−1)/coulombic efficiency (%) | Reversible capacity (mA h g−1)/cycle number (n) | Rate performance (higher current density)/specific capacity (mA h g−1) | Ref. |
---|---|---|---|---|---|
Nanostructured SiO2 | 7 mA g−1 | 270/47 | ca. 120/50 | 100 mA g−1/80 | 43 |
SiO2 nanobelts | 100 mA g−1 | 1723/50 | 1012/100 | 1000 mA g−1/574 | 46 |
Hollow porous SiO2 nanocubes | 100 mA g−1 | 3084/47 | 919/30 | — | 31 |
SiO2 thin film | 28 μA cm−2 | 539/71 | 510/100 | — | 29 |
SiO2 nanotubes | 100 mA g−1 | 1040/43.3 | 1266/100 | 400 mA g−1/814 | 30 |
SiO2 nanospheres | 0.1 C | 2420/44 | 876/500 | 2 C/1085 | 14 |
Multi-shell hollow SiO2 microspheres | 100 mA g−1 | 792.5/53.9 | 750/550 | 2400 mA g−1/95 | 47 |
SiO2 nanowire arrays | 200 mA g−1 | 2252.6/60.7 | 545.4/400 | 2500 mA g−1/315 | This work |