IMPEDANCE MEASUREMENT ERRORS DUE TO NONLINEARITIES .1. LOW-FREQUENCY IMPEDANCE MEASUREMENTS

被引：31

作者：

DIARD, JP

LEGORREC, B

MONTELLA, C

机构：

[1] Ecole Nationale Supérieure d'Electrochimie et d'Electrométallurgie de Grenoble, Centre de Recherche en Electrochimie Minérale et en Génie des Procédés, U.A. CNRS. 1212, 38402 Saint Martin d'Hères

来源：

ELECTROCHIMICA ACTA | 1994年 / 39卷 / 04期

关键词：

IMPEDANCE MEASUREMENT; NONLINEARITIES; REDOX REACTIONS; FE(CN)6(3-)/FE(CN)6(4-) SYSTEM; DISSOLUTION-PASSIVATION REACTION;

D O I：

10.1016/0013-4686(94)80098-7

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The effects of electrochemical systems non-linearities on impedance measurements with a Frequency Response Analyser have been investigated in low frequency domain from both a theoretical and experimental viewpoint. A theoretical expression for the polarization resistance measurement error has been found for ''non-blocking'' electrodes and the measurement validity conditions have been examined. The theoretical approach has been applied to redox reactions and to an adsorbed phase reaction which is a dissolution-passivation process of a metal. The theoretical results were verified with impedance measurements on a platinum rotating disk electrode in a Fe(CN)63-/Fe(CN)64- redox solution.

引用

页码：539 / 546

页数：8

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