中文摘要：

通过低温还原氧化石墨烯，得到还原氧化石墨烯（RGO），以此为电极材料研究了水系电解液对其电化学性能的影响。采用X射线衍射（XRD）、傅立叶红外转换光谱（FTIR）、场发射扫描电镜（FESEM）及透射电镜（TEM）对RGO进行了表征，利用循环伏安、交流阻抗、恒流充放电等测试了不同水系电解液对电极材料电化学性能的影响。结果表明，在低温热还原条件下，RGO氧化官能团有所保留，电化学测试说明保留的氧化官能团对电极材料良好的电化学性能有所贡献；电极材料在1mol／LH2SO4电解液中的比电容要大于在1mol／LNa2SO4电解液中的比电容。

英文摘要：

Reduced graphene oxide （RGO） was prepared via low-temperature heat treatment, which was used to study on the effect of aqueous electrolyte on electrochemical properties of RGO. The RGO were characterized by X-ray diffraction （XRD）, field emission scanning electron microscope （FESEM） and transmission electron microscope （TEM）, the electrochemical properties of RGO were investigated by cyclic voltammetry, galvanostatic charge/discharge and electrochemical impedance spectroscopy techniques. The results indicate that the retained functional groups were benefit for the improvement of specific capacitance and the specific capacitance of RGO in 1 mol/LH2SO4 was better than that in 1 mol/L Na2SO4.