Oxygen sensor

Details Oxygen sensor Oxygen sensor

1978-08-23

1980-07-01

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

106 731, G01N 2758

Patent

active

042105099

ABSTRACT:
An oxygen sensor comprising an oxygen ion conductive solid electrolyte which contains fluorine at least in the surface region on the side having contact with a gas to be tested. This oxygen sensor is characterized in that the change of the electromotive force at an O.sub.2 /CO molar ratio of about 0.5:1 is very large even if the temperature is as low as 350.degree. C.

REFERENCES:
patent: 3698955 (1972-10-01), Lilly et al.
patent: 3699032 (1972-10-01), Rapp
patent: 3719564 (1973-03-01), Lilly et al.
Eckehardt Hamann et al., Soc. Automotive Engineers, _Paper No. 770401, Feb. 1977.
Heinrich Dueker et al., Soc. Automotive Engineers, Paper No. 750,223, Feb. 1975.
William Fleming, Res. Labs., General Motors Corp., _Pub. GMR-2128, Apr. 1976.
William Fleming, Res. Labs., General Motors Corp., _Pub. GMR-1971R, Sep. 1975.
A. L. Cederquist et al., Soc. Automotive Engineers, Paper No. 760202 (No date).

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