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Direct Catalyst Conversion Sensor in Form of a Single Self-Heated Mixed-Potential Device

Title data

Ritter, Thomas ; Hagen, Gunter ; Moos, Ralf:
Direct Catalyst Conversion Sensor in Form of a Single Self-Heated Mixed-Potential Device.
In: Proceedings. Vol. 1 (2017) Issue 4 . - p. 424.
ISSN 2504-3900
DOI: https://doi.org/10.3390/proceedings1040424

Official URL: Volltext

Abstract in another language

Monitoring automotive exhaust gas aftertreatment components is required by law as part of the on-board diagnostics (OBD). For this purpose, a novel sensor device that determines directly the catalyst conversion could be used. It consists of a single, self-heated yttria stabilized ZrO2-based disc, separating two gas atmospheres. Two identical mixed-potential electrodes yield a voltage signal by comparing a certain trace gas concentration up- and downstream of the catalyst. Measurements in synthetic gas flow verify the theoretical assumption that this voltage signal only depends on the ratio of both concentrations, respectively on the conversion of the catalyst.

Further data

Item Type: Article in a journal
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 > 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
Research Institutions > Research Units
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 20 Sep 2017 06:29
Last Modified: 20 Sep 2017 06:29
URI: https://eref.uni-bayreuth.de/id/eprint/39724