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Self-heated Direct Conversion Sensor for Automotive Catalysts Manufactured in HTCC Technology

Title data

Ritter, Thomas ; Hagen, Gunter ; Kita, Jaroslaw ; Schubert, Franz ; Wiegärtner, Sven ; Moos, Ralf:
Self-heated Direct Conversion Sensor for Automotive Catalysts Manufactured in HTCC Technology.
2016
Event: The 16th International Meeting on Chemical Sensors, IMCS 2016 , 10th - 13th July 2016 , Jeju, Korea.
(Conference item: Conference , Speech )

Abstract in another language

Stringent emission limits require exact on-board diagnostics of automotive exhaust gas aftertreatment systems. Recently, a novel approach to determine directly the conversion of an oxidation catalyst was proposed. A dense ion-conducting membrane with mixed-potential electrodes on both sides “compares” the gas atmospheres up- and downstream of a catalyst. Lab tests showed that the measured signal depends only on catalyst conversion and not on the gas concentration. For further investigations it is required to realize a single, self-heated device. It is shown how such a sensor device is designed by FE simulations. After building up the device in high temperature co-firing ceramic (HTCC) technology, measurements proved the ability of the sensor device to determine directly the 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
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
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: 25 Jul 2016 11:24
Last Modified: 25 Jul 2016 11:24
URI: https://eref.uni-bayreuth.de/id/eprint/33638