| 초록 |
Graphene, active electrode material owing to large surface area, and high electronic conductivity in supercapacitor (SCs) application. However, the current bottleneck is the fabrication of restacking-inhibited graphene. Herein, we demonstrate the synthesis of restacking-inhibited nitrogen doped graphene for SCs application. The d-spacing increases up to 0.352 nm and the surface area is s 698 m2 g-1 with mesoporosity, which indicating restacking inhibition by N incorporation decomposed by melamine-formaldehyde. The SC performances of the as-modified RGO-based cells in organic electrolyte show the sp. capacitance of 16.9 F g-1, the energy density of 14.1 kW kg-1 and 85% of capacitance retention for 5000 cycles, which are higher than those of pristine RGO-based cells. |
