Low temperature solid electrolyte oxygen sensor

Chemistry: electrical and wave energy – Apparatus – Electrolytic

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204421, 204422, G01N 2758

Patent

active

047894547

ABSTRACT:
An electrode for a solid electrolyte oxygen sensor, characterized in that the electrode comprises a surface layer on the solid electrolyte, said surface layer consisting of or containing a solid solution in urania of one or more other metal oxides with oxygen/metal atom ratio equal to or less than two, provided that at least one of said other metal oxides has an oxygen/metal atom ratio less than two.

REFERENCES:
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patent: 3342558 (1967-09-01), Reinecke
patent: 3619381 (1971-11-01), Fitterer
patent: 3791954 (1974-02-01), Noda et al.
patent: 4158166 (1979-06-01), Isenberg
patent: 4193857 (1980-03-01), Bannister et al.
Pound et al., "The Electrolysis . . . Electrodes", Int. J. Hydrogen Energy, vol. 6, No. 5, pp. 473-486, 1981.
Badwal et al., "Unania-ytria . . . Application", J. of Material Science, 14 (1979), pp. 2353-2365.
M. J. Bannister, "The Standard . . . Temperature", J. Chem. Thermodynamics, 1984, 16, 787-792.
Badwal et al., "Low . . . Sensor", printed from Ad. in Ceramics, vol. 12, Sc. and Techn. of Zirconia, II, Copyright 1984 by American Ceramic Soc.

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