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Novel mixed potential sensor device to compare two gas compartments and to determine directly the conversion of an automotive catalyst

Title data

Ritter, Thomas ; Hagen, Gunter ; Moos, Ralf:
Novel mixed potential sensor device to compare two gas compartments and to determine directly the conversion of an automotive catalyst.
2017
Event: Sensor 2017 :18th International Conference on Sensors and Measurement Technology , 30.05.-01.06.2017 , Nürnberg, Deutschland.
(Conference item: Conference , Speech )
DOI: https://doi.org/10.5162/sensor2017/A6.4

Official URL: Volltext

Abstract in another language

In this work, a novel sensor device is developed. It enables to compare two gas compartments electrochemically by applying the mixed potential sensing principle. Thereby, disadvantages that come along with the usually-used half-cell setups like indirect heating, complicated manufacturing and only destructive dismantling of sample and sealing are overcome. The device bases on an yttria-stabilized zirconia disc that is equipped with an integrated heater to provide a hot area in the center for sensing while at the same time it is cold enough at the outer radius for contacting with a polymer sealing (Oring). As an example for its functionality, the gas mixtures up- and downstream of a catalyst were compared, while the sensor voltage orrelates well with catalyst conversion.

Further data

Item Type: Conference item (Speech)
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Functional Materials > Chair Functional Materials - Univ.-Prof. Dr.-Ing. Ralf Moos
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Research Institutions > Research Units
Research Institutions > Research Units > ZET - Zentrum für Energietechnik
Research Institutions > Research Units > BERC - Bayreuth Engine Research Center
Faculties
Faculties > Faculty of Engineering Science > Chair Functional Materials
Profile Fields
Profile Fields > Advanced Fields
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 05 Jul 2017 08:57
Last Modified: 05 Jul 2017 08:57
URI: https://eref.uni-bayreuth.de/id/eprint/38260