Perovskite-Type Proton Conductor for Novel Direct Ionic Thermoelectric Hydrogen Sensor

Titelangaben

Röder-Roith, Ulla ; Rettig, Frank ; Sahner, Kathy ; Röder, Timo ; Janek, Jürgen ; Moos, Ralf:
Perovskite-Type Proton Conductor for Novel Direct Ionic Thermoelectric Hydrogen Sensor.
In: Solid State Ionics. Bd. 192 (2011) Heft 1 . - S. 101-104.
ISSN 0167-2738
DOI: 10.1016/j.ssi.2010.05.044

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Abstract

It was investigated whether a perovskite-type proton conductor, here BaCe0.95Y0.05O3−δ (BCY), is suitable as sensing material for a novel type of thermoelectric hydrogen sensor. Therefore, the hydrogen and oxygen concentration dependence of the thermopower of BaCe0.95Y0.05O3−δ was determined and was found to be in the same range as the value derived from theory. The hydrogen dependence was also measured at different temperatures, and only a comparatively small temperature dependence of the thermopower was observed.