Chemistry: electrical and wave energy – Processes and products – Vacuum arc discharge coating
Patent
1978-03-13
1979-01-23
Kaplan, G. L.
Chemistry: electrical and wave energy
Processes and products
Vacuum arc discharge coating
134 41, 252472, C23G 102, G01N 2758
Patent
active
041360001
ABSTRACT:
An oxygen gas sensor having a solid electrolyte oxygen gas sensor element, with an inner conductive catalyst electrode on the interior surface and an outer conductive catalyst electrode on the exterior surface thereof, which has a high voltage output and lower internal resistance is produced by chemically activating said inner conductive catalyst electrode with an inorganic acid or an acid salt. By also subjecting said outer conductive catalyst electrode to a direct current activation under a reducing atmosphere, even more improved properties, such as fast switching response, are achieved.
REFERENCES:
patent: 3514377 (1970-05-01), Spacil et al.
patent: 3699032 (1972-10-01), Rapp
patent: 3978006 (1976-08-01), Topp et al.
J. E. Bauerle, J. Phys. Chem. Soilds, pp. 2657-2670, vol. 30, (1969).
Bode James D.
Davis Donald C.
Romine Donald J.
Tien Tseng Y.
Woodruff Phillip R.
Bendix Autolite Corporation
Eifler Raymond J.
Kaplan G. L.
Kratz William G.
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