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Automotive Exhaust Gas Sensor Based on an Electrochemical Cell combined with a Resistive Gas Sensor

Title data

Biskupski, Diana ; Wiesner, Kerstin ; Kita, Jaroslaw ; Fleischer, Maximilian ; Moos, Ralf:
Automotive Exhaust Gas Sensor Based on an Electrochemical Cell combined with a Resistive Gas Sensor.
In: Sensor Letters. Vol. 6 (2008) Issue 6 . - pp. 803-807.
ISSN 1546-198X
DOI: https://doi.org/10.1166/sl.2008.505

Official URL: Volltext

Project information

Project title:
Project's official titleProject's id
No informationFOROXID

Project financing: Andere
Bayerische Forschungsstiftung

Abstract in another language

Future on-board diagnosis of automotive exhaust gas after-treatment systems might require sensors determining directly the concentration of limited components like hydrocarbons. Suitable sensors for their detection are resistive metal oxide sensors manufactured in film techniques. Besides their sensitivity towards hydrocarbons their signal depends also on the oxygen partial pressure. As the latter varies in the exhaust, it is suggested to integrate the sensor in an ion conducting oxygen pumping cell to establish a constant oxygen concentration at the sensor film. The setup of this sensor system is designed in ceramic tape technology. Since the resistive metal oxide material e.g., gallium oxide and strontium titanate cannot be co-fired with zirconia, a new combination of different materials leading to a three dimensional setup is investigated. This requires new ways of materials joining. In order to show that a constant oxygen concentration can be achieved under lean and under rich exhaust conditions, a resistive oxygen sensor is integrated, proving that the novel concept works properly.

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
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 Units
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 26 Jan 2015 10:10
Last Modified: 06 Apr 2016 09:34
URI: https://eref.uni-bayreuth.de/id/eprint/5699