氮掺杂石墨烯的简易制备及其超级电容性能
冯亚强1,2, 汤富领1, 郎俊伟2, 刘文文2, 阎兴斌2

Facile Approach to Preparation of Nitrogen-doped Graphene and Its Supercapacitive Performance
FENG Ya-Qiang1,2, TANG Fu-Ling1, LANG Jun-Wei2, LIU Wen-Wen2, YAN Xing-Bin2
Fig. 3 Electrochemical performance of the N-GNSs electrode in 2 molL KOH electrolyte a CV curves at different scan rates; b Chargedischarge curves at different current densities; c Specific capacitance as a function of discharge current density; d Nyquist plots of the N-GNSs. The inset shows the expanded high-frequency region of the plots