Relating the current efficiency (CE) of EOP results of the electrodes indicated high content TiO_2 in PbO_2 was not good to the electrocatalytic activity of the electrode.

• Cu2+和少量表面活性剂的投加对电极的催化性能有害。 金红石型TiO_2掺杂的电极比锐钛矿型掺杂的电极的电流效率降低约2%25。