It is found that pulse potentiostatic method is a good method to deposit Pt particles and the electrocatalytic activity of Pt-PANi/Pt can be improved by reducing the pulse lasting time.

• 采用脉冲电位法通过缩短脉冲沉积时间的方法，能够使铂微粒数目增多分布均匀，有效提高铂的催化表面积，制备的Pt-PANi/pt复合电极显示出了较好的催化活性，此方法优于恒电位方法沉积分散铂微粒。