The highest current efficiency occurred when current density was 0.8 A/cm2, and the current efficiency was reduced if the current density was higher or lower than 0.8 A/cm2. During the electrolysis, Cl2 could hardly be produced.

• 电流密度在0.；8A/cm2时电流效率最高；过低或者过高的电流密度都可以降低电流效率; 电解过程中基本上不产生Cl2。