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Performance of the NOx sensor based on mixed potential for automobiles in exhaust gases
Technical Paper
1999-08-0599
Sector:
Event:
JSAE Autumn Conference
Language:
Japanese
Abstract
The NOx sensor based on mixed potential was made by laminating YSZ green sheets, on which electrodes including an NOx sensing electrode, an NOx conversion electrode, a Pt heater and a pair of thermocouples were printed and sintered. The output signal of this sensor was fairly independent on gas temperatures and the velocity of gas flows in the test gases. And the engine test for the exhaust gases at around λ = 1 showed that the sensor outputs changed corresponding to NOx concentrations from the gas analyzer. From the facts described, it is expected that this sensor based on mixed potential can be utilized for automobiles.