AC behavior of proton-conducting solid electrolytes based on sulphosalicylic acid in hydrogen atmosphere

被引：9

作者：

Bukun, N ^{[1
]}

Rodionov, V ^{[1
]}

Mikhailova, A ^{[1
]}

Dobrovolsky, Y ^{[1
]}

机构：

[1] STATE TECH UNIV, SARATOV, RUSSIA

来源：

SOLID STATE IONICS | 1997年 / 97卷 / 1-4期

关键词：

impedance spectroscopy; polarization; exchange currents; hydrogen atmosphere;

D O I：

10.1016/S0167-2738(97)00050-7

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：

The conductivity (sigma) of sulphosalicylic acid and its composites with iron(III) sulphosalicylate (1:4 molar) is measured using impedance spectroscopy and the Hebb-Wagner polarization method. The conductance is found to be purely protonic with typical values of sigma(25 degrees C) = 4.1 x 10(-4) and 3.0 x 10(-4) S cm(-1), respectively. The exchange currents at TiHx \ H+-solid electrolyte interphase boundaries increase with increasing partial pressure of H-2 in mixtures with argon.

引用

页码：257 / 260

页数：4

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