Chemical and physical sensors based on oxygen pumping with solid-state electrochemical cells

Oxygen sensors based on ZrO 2 electrochemical cells have found extensive use in many applications. The most sensitive of these sensors employ the oxygen-pumping principle with ZrO 2 cells. Oxygen pumping, however, can also be used to generate other chemical and also physical sensors. This paper disc...

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Bibliographic Details
Published in:Sensors and actuators. B, Chemical Chemical, 1992, Vol.9 (3), p.183-189
Main Authors: Logothetis, E.M., Visser, J.H., Soltis, R.E., Rimai, L.
Format: Article
Language:English
Subjects:
Analytical chemistry
Carbon dioxide
Chemistry
Electrochemical methods
Exact sciences and technology
Flow measurement
Gases
Hydrogen
Oxygen sensors
Water
Zirconia
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Summary:Oxygen sensors based on ZrO 2 electrochemical cells have found extensive use in many applications. The most sensitive of these sensors employ the oxygen-pumping principle with ZrO 2 cells. Oxygen pumping, however, can also be used to generate other chemical and also physical sensors. This paper discusses several of these sensors, e.g., sensors for measuring CO, H 2, H 2O, hydrocarbons, gas flow, and gas pressure, and presents results from studies of the properties of some of these devices.
ISSN:0925-4005
1873-3077
DOI:10.1016/0925-4005(92)80214-I