The electrochemical capacitor with the high electrochemical activity sample as active material has the specific capacitance up to 77. F/g in the 0. mol/L Na SO solution within 0～0.8 V SCE (saturated calomel electrode) potenitial.
The electrochemical capacitor with the high electrochemical activity sample as active material has the specific capacitance up to 77. F/g in the 0. mol/L Na SO solution within 0～0.8 V SCE (saturated calomel electrode) potenitial.
用这种高电化学活性的纳米MnO 制成电化学电容器的电极 ,在 0 .mol/LNa SO溶液中 ,0～ 0 .8V饱和甘汞电极 (SCE)的电位范围内 ,比容量可达 77.F/g。