Aging treatment for exhaust gas oxygen sensor

Details Aging treatment for exhaust gas oxygen sensor Aging treatment for exhaust gas oxygen sensor

1979-04-17

1981-03-03

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

G01N 2758

Patent

active

042539340

ABSTRACT:
In a preferred embodiment of the invention, a method of making a solid electrolyte electrochemical-type exhaust gas oxygen sensor. A platinum exhaust electrode is sputtered onto a zirconia body and the body then heated in nitrogen at 700.degree.-900.degree. C. for at least 30 minutes to reduce rich-to-lean switching time response.

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J. E. Bauerle, J. Phys. Chem. Solids, vol. 30, pp. 2657-2670 (1969).
Y. L. Sandler et al., J. Electrochemical Soc., vol. 112, No. 9, pp. 928-931, (1965).

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