Carbon Dioxide and Nitrogen Monoxide Gas Sensing by Applying Newly Developed Cerium Ion Conducting Solid Electrolyte

A simple gas sensor system applicable for monitoring various environmentally deteriorating gases was fabricated by the combination of a newly developed cerium ion conducting solid electrolyte, (CexZr1-x)4/(4-x)Nb(PO4)3, and yttria stabilized zirconia (YSZ). By applying the oxycarbonate or the potass...

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Bibliographic Details
Published in:Denki kagaku oyobi kōgyō butsuri kagaku 2003/06/05, Vol.71(6), pp.402-404
Main Authors: HASEGAWA, Yasunori, ODA, Atsushi, IMANAKA, Nobuhito, ADACHI, Gin-ya
Format: Article
Language:English
Subjects:
Carbon Dioxide
Cerium Ion
Nitrogen Monoxide
Sensor
Solid Electrolyte
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Summary:A simple gas sensor system applicable for monitoring various environmentally deteriorating gases was fabricated by the combination of a newly developed cerium ion conducting solid electrolyte, (CexZr1-x)4/(4-x)Nb(PO4)3, and yttria stabilized zirconia (YSZ). By applying the oxycarbonate or the potassium nitrite mixed gadolinium oxide based solid solution as an auxiliary electrode, the sensor can detect CO2 gas or NO gas, respectively, with demonstrating a rapid, continuous, and reproducible response, which obeys the theoretical Nernst relationship. The present sensor fabrication proposes the approaches to pursue for detecting various gases only by exchanging the auxiliary electrode suitable for the target gas sensing.
ISSN:1344-3542
2186-2451
DOI:10.5796/electrochemistry.71.402