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Method for reliable detection of different exhaust gas components by pulsed discharge measurements using standard zirconia based sensors

Title data

Fischer, Sabine ; Pohle, Roland ; Fleischer, Maximilian ; Moos, Ralf:
Method for reliable detection of different exhaust gas components by pulsed discharge measurements using standard zirconia based sensors.
In: Procedia Chemistry. Vol. 1 (2009) Issue 1 . - pp. 585-588.
ISSN 1876-6196
DOI: https://doi.org/10.1016/j.proche.2009.07.146

Official URL: Volltext

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Abstract in another language

We present a measurement approach to obtain increased differentiation of exhaust gas components and stabilized signal behavior using a standard zirconia-based potentiometric lambda probe. The self-discharge characteristic after different voltage pulses applied to the sensor is used as a measured parameter which depends on gas type and concentration. The detection of NO in the lower ppm range is demonstrated. In addition, this approach allows to improve the response and selectivity to NO significantly compared to other investigated gases as NO2, NH3, H2 and a mixture of hydrocarbons. Therefore, this technique seems to be capable to enable NO sensing in exhaust gas with improved selectivity using standard lambda probes.

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
Faculties
Faculties > Faculty of Engineering Science > Chair Functional Materials
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
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: 21 Apr 2015 06:57
Last Modified: 11 Apr 2016 09:19
URI: https://eref.uni-bayreuth.de/id/eprint/10489