A TIP-TYPE CARBON-DIOXIDE GAS-SENSOR PROBE BASED ON LITHIUM AND OXIDE IONIC CONDUCTORS

被引：19

作者：

IMANAKA, N ^{[1
]}

HIROTA, Y ^{[1
]}

ADACHI, G ^{[1
]}

机构：

[1] OSAKA UNIV,FAC ENGN,DEPT APPL CHEM,SUITA,OSAKA 565,JAPAN

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 1995年 / 25卷 / 1-3期

关键词：

CARBON DIOXIDE SENSOR; LITHIUM IONIC CONDUCTOR; OXIDE IONIC CONDUCTOR;

D O I：

10.1016/0925-4005(95)85085-6

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A tip-type carbon dioxide gas-sensor probe with a heater element is set up by using the combination of a lithium ionic conductor (LiTi2(PO4)(3)-+0.2Li(3)PO(4)) and oxide ionic conductors. Three types of oxide ionic conductors, Bi2O3-Y2O3 (3:1), CeO2-Gd2O3 (8:1) and ZrO2-Ln(2)O(3) (9:1) (Ln:Y, Sc) are used. The sensor output with the zirconia- or bismuth oxide-based conductor agrees well with the Nernst relation. The tip-type probe can detect the CO2 concentration exactly for contents higher than 1000 ppm, even in an atmosphere containing up to 30 vol.% of water vapour.

引用

页码：380 / 382

页数：3

共 21 条

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