SO2 sensing characteristics of Nasicon electrolytes

被引：12

作者：

Choi, SD

Chung, WY

Lee, DD

机构：

[1] SEMYUNG UNIV,DEPT ELECT ENGN,JECHUN 390230,SOUTH KOREA

[2] KYUNGPOOK NATL UNIV,DEPT ELECT,TAEGU 702701,SOUTH KOREA

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 1996年 / 36卷 / 1-3期

关键词：

SO2; sensing; Nasicon electrolytes; solid reference; SOLID ELECTROLYTE; SULFUR-OXIDES; SENSOR;

D O I：

10.1016/S0925-4005(97)80079-2

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The SO2 sensing characteristics of the Nasicon electrolyte cells Pt,SO2,O-2(I) \ Na2SO4 \ Nasicon \ O-2(II) in air, Pt and Pt,SO2,O-2(I) \ Na2SO4-(BaSO4) \ Nasicon \ Na2SiO3,Pt have been studied in 5-98 ppm SO2 concentration range at 300-550 degrees C. The cell with the O-2 reference electrode was very unstable. However, good agreement between the measured and calculated slopes in the Nernst equation was obtained for the cell with the Na2SiO3 solid reference electrode. The addition of 40 mol% BaSO4 to the Na2SO4 auxiliary electrolyte could eliminate the water vapor effect under the wet SO2 atmosphere.

引用

页码：263 / 266

页数：4

共 7 条

[1] COMPLEX IMPEDANCE ANALYSIS OF IONIC-CONDUCTIVITY OF NA1+XZR2SIXP3-XO12 CERAMICS [J].