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Proceedings 2017, 1(4), 456; doi:10.3390/proceedings1040456

Study of YSZ Electrolyte Inks for Preparation of Screen-Printed Mixed-Potential Sensors for Selective Detection of NOx and NH3

École Nationale Supérieure des Mines, SPIN-EMSE, CNRS: UMR5307, LGF, F-42023 Saint-Étienne, France
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Published: 16 August 2017
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Abstract

Among all NOx reduction approaches, selective catalyst reduction (SCR) system is one the most reliable ways to control NOx emissions from diesel engine vehicles and trucks. In order to optimize the conversion rates of NOx and to prevent inducing excessive NH3 to the air, an NH3 and NOx sensor is required. In this study, three different types of YSZ ink have been examined to identify the most effective electrolyte for NOx and NH3 sensing. The results have shown that a home-made ink with YSZ powder shows the best sensitivity towards ammonia without polarization and the highest NO2/NO signal ratio with polarization current of 25 nA.
Keywords: mixed-potential sensor; NOx; Yttria stabilized Zirconia; NH3; electrolyte mixed-potential sensor; NOx; Yttria stabilized Zirconia; NH3; electrolyte
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Abkenar, G.N.; Rieu, M.; Breuil, P.; Viricelle, J.-P. Study of YSZ Electrolyte Inks for Preparation of Screen-Printed Mixed-Potential Sensors for Selective Detection of NOx and NH3. Proceedings 2017, 1, 456.

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