ELECTROCHEMICAL-CELL FOR COMPOSITION DEPENDENT MEASUREMENTS OF CHEMICAL DIFFUSION-COEFFICIENTS AND IONIC CONDUCTIVITIES ON MIXED CONDUCTORS AND APPLICATION TO SILVER TELLURIDE AT 160-DEGREES-C

被引：23

作者：

SITTE, W

机构：

[1] Institut für Physikalische und Theoretische Chemie, Technische Universität Graz

来源：

SOLID STATE IONICS | 1993年 / 59卷 / 1-2期

基金：

奥地利科学基金会;

关键词：

D O I：

10.1016/0167-2738(93)90237-W

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

An electrochemical cell is employed for the simultaneous determination of the chemical diffusion coefficient and the partial ionic conductivity of a mixed ionic-electronic conductor. The cell represents a symmetric solid-state galvanic cell with ionic electrodes and two additional reference electrodes. The cell is used for composition dependent measurements of the chemical diffusion coefficient and the ionic conductivity of alpha'-Ag2+deltaTe within the homogeneity range at 160-degrees-C. The kinetic data received from long-time transient measurements show high accuracy and are equal within the limits of error to those obtained from the short-time transient response of the cell.

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收藏

页码：117 / 124

页数：8

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