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本文对钛电极的交流阻抗谱进行了解析，发现钛电极存在弥散现象．用ＣＰＡＥ（ｃｏｎｓｔａｎｔ－ｐｈａｓｅ－ａｎｇｌｅｅｌｅｍｅｎｔ）来描述弥散效应拟合精度较高．本文将电介质的松弛极化特性与弥散现象联系起来，对ＣＰＡＥ的物理意义进行了理论探讨．分析了影响ＣＰＡＥ特征参数ｋ，β的有关因素．
In this paper, the electrochemical impedance spectroscopy of titanium electrode was analyzed and it was found that there was dispersion of titanium electrode. Using CPAE (constant-phase-angleelement) to describe the diffusion effect of the fitting accuracy. In this paper, the relaxation of the dielectric properties and dispersion of the phenomenon of dispersion, the physical significance of CPAE theoretical discussion. The factors affecting the characteristic parameters k, β of CPAE were analyzed.