Solid-state amperometric CO2 sensor using a sodium ion conductor

被引：12

作者：

Lee, JS ^{[1
]}

Lee, JH ^{[1
]}

Hong, SH ^{[1
]}

机构：

[1] Seoul Natl Univ, Sch Mat Sci & Engn, Seoul 151744, South Korea

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2004年 / 24卷 / 06期

关键词：

amperometric CO2 sensing; ionic conductivity; sensors;

D O I：

10.1016/S0955-2219(03)00430-8

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A solid-state amperometric CO2 sensor was prepared by combining a NASICON (Na+ conductor, Na3Zr2Si2PO12) with a porous Na2CO3 auxiliary layer deposited on a sensing electrode. The current between sensing and counter electrodes as a function of CO2 concentration was approximately linear in the range of 200-2000 ppm at 400 degreesC. The device could be operated stably during the test period (60 days). The sensing characteristics and long-term stability were discussed in the light of the sensing mechanism. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：1431 / 1434

页数：4

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