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Proton Conducting Solid Electrolytes for High Temperature Humidity Sensing

Published online by Cambridge University Press:  25 February 2011

Martha Greenblatt  and
Shouhua Feng
Martha Greenblatt*
Affiliation:
Rutgers University, Department of Chemistry, New Brunswick, NJ 08904
Shouhua Feng
Affiliation:
Rutgers University, Department of Chemistry, New Brunswick, NJ 08904
*
*To whom correspondence should be addressed.
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Abstract

The properties of various proton conducting solid electrolytes were investigated by electrochemical galvanic cell and ac impedance type measurements for applications as high temperature (T>200°C) humidity sensors. The basic characteristics of proton conductors required for humidity sensing are reviewed. Results of ionic conductivity and EMF measurements and their implications for the mechanism of ion transport are discussed for two prototype ceramic humidity sensors: β-Ca(PO3)2 and a NASICON-type ceramic composite, HZr2P3O12/ZrP2O7.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 293: Symposium U – Solid State Ionics III , 1992 , 283
Copyright
Copyright © Materials Research Society 1993

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Footnotes

**

Current address: Department of Chemistry, Jilin University, Changchun, China

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