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Thick-film solid electrolyte oxygen sensors using the direct ionic thermoelectric effect

Title data

Röder-Roith, Ulla ; Rettig, Frank ; Röder, Timo ; Janek, Jürgen ; Moos, Ralf ; Sahner, Kathy:
Thick-film solid electrolyte oxygen sensors using the direct ionic thermoelectric effect.
In: Sensors and Actuators B: Chemical. Vol. 136 (2009) Issue 2 . - pp. 530-535.
ISSN 0925-4005
DOI: https://doi.org/10.1016/j.snb.2008.12.024

Official URL: Volltext

Project information

Project title:
Project's official titleProject's id
No informationMo1060/7-1
No informationJa648/14-1

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

A screen-printed direct ionic thermoelectric oxygen sensor based on 8 mol% Y2O3 stabilized zirconia (YSZ) is presented. Within the device, a temperature gradient is applied to the YSZ film via an integrated heater, and the resulting thermovoltage is measured. Theoretical considerations on oxygen ion conductors predict a well-defined dependency of the thermopower on the oxygen partial pressure p(O2). Experimental results on the present thick-film device are shown to agree well with the theory. Besides being intrinsically geometry-independent, the present potentiometric sensor showed no cross-sensitivity to a variety of reducing and oxidizing gases that are commonly present in the exhaust. In addition, a very low temperature dependence of the thermopower was observed.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties
Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Functional Materials
Faculties > Faculty of Engineering Science > Chair Functional Materials > Chair Functional Materials - Univ.-Prof. Dr.-Ing. Ralf Moos
Profile Fields
Profile Fields > Advanced Fields
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Research Institutions > Research Units > ZET - Zentrum für Energietechnik
Research Institutions > Research Units
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 21 Jan 2015 10:53
Last Modified: 28 Feb 2019 08:58
URI: https://eref.uni-bayreuth.de/id/eprint/5698