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Overview: Status of the Microwave-Based Automotive Catalyst State Diagnosis

Title data

Moos, Ralf ; Beulertz, Gregor ; Reiß, Sebastian ; Hagen, Gunter ; Fischerauer, Gerhard ; Votsmeier, Martin ; Gieshoff, Jürgen:
Overview: Status of the Microwave-Based Automotive Catalyst State Diagnosis.
In: Topics in Catalysis. Vol. 56 (2013) Issue 1-8 . - pp. 358-364.
ISSN 1572-9028
DOI: https://doi.org/10.1007/s11244-013-9980-x

Official URL: Volltext

Project information

Project title:
Project's official titleProject's id
No informationMO 1060/6-2
No informationMO 1060/13-1
No informationFI 956/3-2
No informationFI 956/5-1

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

The oxygen loading degree in TWCs, the amount of stored ammonia in SCR catalysts, the NOx loading degree in LNTs, or the soot loading of DPFs play a key role in automotive exhaust gas aftertreatment. Today’s methods determine the catalyst state indirectly. They utilize gas sensors installed up- or downstream of the catalysts and the catalyst state is inferred from the sensor signals. This overview reports on the status of an alternative approach based on the interaction of electromagnetic microwaves with the catalyst material. Since the catalyst state is strongly correlated with the electrical properties of the catalyst material itself, this concept shows a great potential.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties
Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Measurement and Control Technology
Faculties > Faculty of Engineering Science > Chair Measurement and Control Technology > Chair Measurement and Control Technology - Univ.-Prof. Dr.-Ing. Gerhard Fischerauer
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
Profile Fields > Advanced Fields
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Research Institutions > Research Units
Research Institutions > Research Units > ZET - Zentrum für Energietechnik
Research Institutions > Research Units > BERC - Bayreuth Engine Research Center
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 12 Jan 2015 13:31
Last Modified: 28 Feb 2019 08:42
URI: https://eref.uni-bayreuth.de/id/eprint/5476