Solid electrolyte oxygen sensors

Details Solid electrolyte oxygen sensors Solid electrolyte oxygen sensors

1978-05-30

1980-09-09

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

106 57, G01N 2758

Patent

active

042216508

ABSTRACT:
Oxygen sensors having a fine-grained stabilized cubic zirconium dioxide electrolyte contact respective electrodes. The zirconium dioxide contains between 15% and 50% by volume of Al.sub.2 O.sub.3 in a crystalline state and has good mechanical and thermal properties. The oxygen sensor may have a composite zirconium dioxide solid electrolyte element. The invention also includes a wider range of related Al.sub.2 O.sub.3 - containing stabilized cubic zirconium dioxides containing between about 8% and 85% by volume Al.sub.2 O.sub.3. The invention further provides methods of manufacturing such Al.sub.2 O.sub.3 - containing zirconium dioxide and for manufacturing oxygen sensors.

REFERENCES:
patent: 2746874 (1956-05-01), Whittemore
patent: 2842447 (1958-07-01), Schlotzhauer et al.
patent: 2905564 (1959-09-01), Roup et al.
patent: 3454385 (1969-07-01), Amero
patent: 3518100 (1970-06-01), Whittemore
patent: 3761295 (1973-09-01), Hulse et al.
patent: 3916585 (1975-11-01), Barks
patent: 3957500 (1976-05-01), Pitts
A. G. Karaulov et al., Translated from Ogneupory, No. 8, pp. 52.59, Aug. 1973.

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