Table 1 Comparison of graphene content and electrochemical performance of Co3O4/RGO nanocomposites with Co3O4/graphene and other metal oxides/graphene reported.
Nanocomposites | Synthesis method | Graphene content (%) | Reversible capacity (mAh/g) | Current density (mA/g) | Cycle number (nth) | References |
|---|---|---|---|---|---|---|
Co3O4/RGO | Microwave irradiation (microwave oven) | 1 | 96.36 | 100 | 100 | This work |
Co3O4-graphene sheet-on-sheet nanocomposite | Microwave-assisted | 46.2 | 1065 | 89 | 30 | |
Co3O4 quantum dots/graphene | Microwave-assisted (microwave oven) | 40 | 1785 | 89 | 90 | |
Co3O4-graphene sheet-on-sheet nanocomposites | Microwave-assisted (microwave oven) | 18.4 | 1036.9 | 100 | 50 | |
Graphene-wrapped CuO | Microwave-assisted hydrothermal | 16.9 | 349 | 1000 | 60 | |
RG-O/Fe2O3 composite | Microwave irradiation (microwave oven) | 20 | 1027 | 100 | 50 | |
α-Fe2O3/RGO nanocomposites | Microwave-assisted | 21.3 | 650 | 1000 | 50 | |
Fe3O4-ONCs@rGO | Microwave assisted (microwave oven) | 43 | 540 | 100 | 120 | |
Mn3O4–graphene | Microwave hydrothermal | 26.72 | 900 | 45 | 50 | |
Mn3O4/graphene | Microwave hydrothermal | 13.47 | 500 | 60 | 100 | |
SnO2-Graphene | Microwave autoclave | 33.3 | 590 | 100 | 200 | |
Graphene-SnO2 | Microwave-assisted (microwave oven) | 30 | 890 | 500 | 80 | |
Graphene-SnO2 | Microwave irradiation (microwave oven) | 35.6 | 1000 | 50 | 100 | |
SnO2/graphene | Microwave hydrothermal | 10.03 | 978.6 | 200 | 100 | |
2D SnO2/graphene | Microwave-assisted | 10 | 688.5 | 200 | 500 | |
ZnO@Graphene | Microwave-assisted (microwave oven) | 50 | 460 | 700 | 50 |