The test results show that when 0.37 mol/L Li2CO3 is added into 2 mol/L (NH4)2SO4 electrolyte, the specific capacitance is highest.

• 测试结果表明；当在2mol/L的(NH4)2SO4溶液中添加0.；37mol/L的Li2CO3时；比容量提高幅度最大。