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用交流阻抗法研究了金属基底上聚合吡咯膜的电化学性质。结果表明该膜介于平面电极和半无限的多孔电极之间，为有界多孔电极，且具有明显的扩散控制特征。
The electrochemical properties of polymerized pyrrole films on metal substrates were studied by AC impedance method. The results show that the membrane lies between the planar electrode and the semi-infinite porous electrode, which is a bounded porous electrode with obvious diffusion control characteristics.