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NOx sensor for exhaust applications

Title data

Lattus, Julia ; Hagen, Gunter ; Kita, Jaroslaw ; Bleicker, Dirk ; Noack, Frank ; Moos, Ralf:
NOx sensor for exhaust applications.
In: 17th International Meeting on Chemical Sensors - IMCS 2018. - Wien , 2018 . - pp. 438-439
ISBN 978-3-9816876-9-9
DOI: https://doi.org/10.5162/IMCS2018/P1AP.2

Official URL: Volltext

Abstract in another language

Modern exhaust gas aftertreatment systems need robust and reliable sensors for in-situ control. We present a novel gas sensor that is easy to manufacture and should provide sufficient long-term stability. The impedimetric device is based on gas-depended electrical changes of a NOx storage material, operated at higher temperatures in an equilibrium state. Experimental results demonstrate a stable baseline of the signal, high NOx sensitivity and good NOx selectivity regarding the missing influence of several typical exhaust gas components like CO, H2, CO2, or H2O. Notably, we found also low ammonia cross sensitivity. Therefore, the sensor device is an interesting candidate for exhaust applications, especially in the field of selective catalytic reduction (SCR) systems.

Further data

Item Type: Article in a book
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 > 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: 23 Jul 2018 08:10
Last Modified: 23 Jul 2018 08:10
URI: https://eref.uni-bayreuth.de/id/eprint/45155