| AB | acetylene black |
| AC | active carbon |
| AM | active material |
| CB | carbon black |
| CNT | carbon nanotubes |
| CV | cyclic voltammogram |
| CVD | chemical vapor deposition |
| EDLC | electric double-layer capacitors |
| EMI-TFSI | 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide |
| fG | functionalized graphene nanosheets |
| G | graphene |
| GCD | galvanostatic charge and discharge |
| GCE | glassy carbon electrode |
| GO | graphene oxide |
| HOPG | highly ordered pyrolytic graphite |
| LS | lignosulfonate |
| MC | mesoporous carbon |
| MWCNT | multiwall carbon nanotubes |
| NGC | Nitrogen-doped reduced graphene oxide with carbon nanotubes |
| PANI | polyaniline |
| PC | propylene carbonate |
| PDA | polydopamine |
| PDAA | poly(1,5-diaminoanthraquinone) |
| PNGC | porous nitrogen-doped reduced graphene oxide with carbon nanotubes |
| PPy | polypyrrole |
| PSS | poly(sodium 4-sterene sulfonate) |
| PTFE | polytetrafluoroethylene |
| PVDF | polyvinylidene fluoride |
| rGO | reduced graphene oxide |
| SC | supercapacitors |
| SEM | scanning electron microscopy |
| SSA | specific surface area |
| SSCNT | super short carbon nanotubes |
| SWCNT | single-wall carbon nanotubes |
| TEABF4 | tetraethylammonium tetrafluoroborate |
| TEM | transmission electron microscopy |
| VA | vertically aligned |
| VGNS | vertical graphene nanosheets |
| VF | vacuum filtration |
| XPS | X-ray photoelectron spectroscopy |