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Planar, impedance- metric NO<sub>x</sub> sensor with spinel- type SE for high temperature applications

Stranzenbach, Mathias Christian and Gramckow, Erik and Saruhan, Bilge (2006) Planar, impedance- metric NO<sub>x</sub> sensor with spinel- type SE for high temperature applications. Sensors and Actuators B: Chemical, 127 (1). Elsevier. DOI: 10.1016/j.snb.2007.07.056 ISSN 0925-4005

Full text not available from this repository.

Abstract

This study displays the results obtained with planar, impedance- metric sensors having a NiCr2O4- SE and a specially manufactured FSZ and PYSZ electrolytes. The fabrication of the sensor devices and their micro structural properties are analysed and their gas sensing properties under lean-burn conditions towards NOx are characterized. Therefore the sensing characteristics to NO and to O2/NO-gas mixtures are analysed at temperatures up to 700°C and at NO concentrations between 0 and 1000 ppm at the presents of different O2 concentrations. The cross-selectivity to other flue-gases, like CO2, CO and CH4 and mixtures of those with O2 are also analysed. The analysis shows that the total impedance is a new and capable type of sensing parameter for the characterisation of NO-gas sensors. This study applies the total impedance to demonstrate the principal applicability of impedance metric sensor concept for the detection of NOx in lean atmospheres and under harsh conditions. The tested sensor device is able to monitor NO up to 1000 ppm at 650°C.

Item URL in elib:https://elib.dlr.de/48215/
Document Type:Article
Title:Planar, impedance- metric NO<sub>x</sub> sensor with spinel- type SE for high temperature applications
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Stranzenbach, Mathias ChristianUNSPECIFIEDUNSPECIFIED
Gramckow, ErikUNSPECIFIEDUNSPECIFIED
Saruhan, BilgeUNSPECIFIEDUNSPECIFIED
Date:December 2006
Journal or Publication Title:Sensors and Actuators B: Chemical
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:Yes
Volume:127
DOI :10.1016/j.snb.2007.07.056
Editors:
EditorsEmail
Koudelka-Hep, M.UNSPECIFIED
Bakker, E.UNSPECIFIED
Egashira, M.UNSPECIFIED
Publisher:Elsevier
Series Name:Sensors and Actuators B: Chemical
ISSN:0925-4005
Status:Published
Keywords:Mixed Oxide Sensing Electrode, High temperature flue gas sensor, Impedance
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Propulsion Systems (old)
DLR - Research area:Aeronautics
DLR - Program:L ER - Engine Research
DLR - Research theme (Project):L - Low-Emission Air Traffic (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Research > High Temperature and Functional Coatings
Deposited By: Stranzenbach, Mathias Christian
Deposited On:10 Dec 2007
Last Modified:15 Jan 2010 00:38

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