| 3D GFO/N-CNSs | 3D interconnected N-doped ultrathin carbon nanosheets |
| CE | Coulombic efficiency |
| EB | Optical band gap |
| EMF | Electro motive force |
| FEC | Fluoroethylene carbonate |
| GFO | GeFe2O4, Fe2GeO4 |
| GO | Graphene Oxide |
| HER | Hydrogen evolution reaction |
| HRTEM | High-resolution transmission electron microscopy |
| IR | Infrared spectroscopy |
| IS | Isomeric shift |
| LIBs | Lithium Ion Batteries |
| N-CNs | N-doped ultrathin carbon nanosheets |
| neff | Effective Bohr magnetons number |
| OER | O2 evolution reaction |
| QS | Quadrupole splitting |
| RHE | Reversible hydrogen electrode |
| SEM | Scanning Electron Microscopy |
| SIBs | Sodium Ion Batteries |
| TEM | Transmission Electron Microscopy |
| θA | Curie temperature |
| TN | Neel Temperature |
| UOR | Urea oxidation reaction |
| XPS | X-ray photoelectron spectroscopy |
| XRD | X-ray diffraction |