Table 2 Comparison of the calculated specific capacitances at a current density of 1 A g-1 on Ni foam in this work with other reports.
Active material | Synthesis method | Morphology | Electrolyte | Specific capacitance (F g-1) | References |
|---|---|---|---|---|---|
α-Fe2O3@rGO | Hydrothermal | 2D nano-circular-like | 2 M KOH | 533 | |
α-Fe2O3@C | Hydrothermal | Uniform cocoon-like oval spheres | 6 M KOH | 354.4 | |
Fe2O3/MXene | Electrostatic assembly | Urchin-shaped particles on nanosheets | 5 M LiCl | 486.3 | |
α-Fe2O3/MnO2/rGO | Solvothermal | Olive-like particles on thin sheet | 6 M KOH | 447 | |
Fe-SnO2@CeO2 | Co-precipitation | Spherical grains on the cubic like structure | 2 M KOH | 348 | |
Co3O4@SnO2–SnO-250 | Hydrothermal | Core–shell | 3 M KOH | 325 | |
MCNFs@SnO2-5 | Co-electrospinning | Multi-channel nanofibers | 6 M KOH | 298 | |
Ce-SnO2@g-C3N4 | Hydrothermal | Spherical grains on the layer | 2 M KOH | 274 | |
Fe2O3@SnO2-600 | Sol–gel electrospinning | Hierarchal hexagonal plates on the hollow nanofibers | 3 M KOH | 562.3 | Present work |
