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Galvanic CO2 sensor with Li2O: B2O3 glass ceramics based composite

Galvanic CO2 sensor with Li2O: B2O3 glass ceramics based composite In order to develop an electrolyte with better thermal-stability, a new composite is prepared by partially crystallizing the lithium borate glass along the grain boundaries of Li2CO3: BaCO3 binary system. Highly dense material is obtained on controlled partial crystallization. The structural and electrical characterization proved its composite nature with enhancement in conductivity. A few potentiometric CO2 gas sensors prepared by using optimized composite electrolyte with lithium titanate as the reference electrode. This configuration resulted in a device of high mechanical strength with ease of fabrication and free from interfacial failures. Reproducible and reversible response is obtained for these sensors over a long-term operation at lower temperatures (275 – 450 °C). The sensor response found to obey Nernst relation with sensitivity and emf approaching the theoretical value. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ionics Springer Journals

Galvanic CO2 sensor with Li2O: B2O3 glass ceramics based composite

Ionics , Volume 10 (2) – Mar 24, 2006

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References (17)

Publisher
Springer Journals
Copyright
Copyright © 2004 by IfI - Institute for Ionics
Subject
Chemistry; Electrochemistry; Renewable and Green Energy; Optical and Electronic Materials; Condensed Matter Physics; Energy Storage
ISSN
0947-7047
eISSN
1862-0760
DOI
10.1007/BF02410304
Publisher site
See Article on Publisher Site

Abstract

In order to develop an electrolyte with better thermal-stability, a new composite is prepared by partially crystallizing the lithium borate glass along the grain boundaries of Li2CO3: BaCO3 binary system. Highly dense material is obtained on controlled partial crystallization. The structural and electrical characterization proved its composite nature with enhancement in conductivity. A few potentiometric CO2 gas sensors prepared by using optimized composite electrolyte with lithium titanate as the reference electrode. This configuration resulted in a device of high mechanical strength with ease of fabrication and free from interfacial failures. Reproducible and reversible response is obtained for these sensors over a long-term operation at lower temperatures (275 – 450 °C). The sensor response found to obey Nernst relation with sensitivity and emf approaching the theoretical value.

Journal

IonicsSpringer Journals

Published: Mar 24, 2006

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