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Perovskite-type proton conductor for novel direct ionic thermoelectric hydrogen sensor
Ist Teil von
Solid state ionics, 2011-06, Vol.192 (1), p.101-104
Ort / Verlag
Elsevier B.V
Erscheinungsjahr
2011
Link zum Volltext
Quelle
Elsevier ScienceDirect Journals Complete
Beschreibungen/Notizen
It was investigated whether a perovskite-type proton conductor, here BaCe
0.95Y
0.05O
3
−
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 BaCe
0.95Y
0.05O
3
−
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.