CALCIUM BETA''-ALUMINA AND NASICON ELECTROLYTES IN GALVANIC CELLS WITH SOLID REFERENCE ELECTRODES FOR DETECTION OF SULFUR-OXIDES IN GASES

被引：32

作者：

ROG, G

KOZLOWSKAROG, A

ZAKULA, K

BOGUSZ, W

PYCIOR, W

机构：

[1] WARSAW POLYTECH INST,INST PHYS,PL-02525 WARSAW,POLAND

[2] SULFUR IND DEV RES CTR,PL-39405 TARNOBRZEG,POLAND

来源：

JOURNAL OF APPLIED ELECTROCHEMISTRY | 1991年 / 21卷 / 04期

关键词：

D O I：

10.1007/BF01020213

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Calcium-beta"-alumina and Nasicon were applied as solid electrolytes for SO(x) (x = 2 or 3) gas detection. The following two galvanic cells with solid reference electrodes were assembled Pt\O2, CaO parallel-to Ca-beta"-Al2O3 parallel-to CaSO4\SO3, SO2, O2\Pt Pt\O2, Na2O parallel-to Nasicon parallel-to Na2SO4\SO3, SO2, O2\Pt Calcium and sodium sulphates were used as auxiliary electrolytes to provide protection of beta"-Al2O3 or Nasicon electrolytes from chemical reaction with SO2. The e.m.f. was measured in the temperature range 850-1070 K for five various test gases. The measured e.m.f.s had values a little lower than the calculated ones. The results show clearly that both the cells can act as SO(x) electrochemical sensors for temperatures not exceeding 1070 K.

引用

页码：308 / 312

页数：5

共 19 条

[1] USE OF THE NASICON/NA2SO4 COUPLE IN A SOLID-STATE SENSOR FOR SO2, SO3 [J].