Method for producing an exhaust gas sensor

Details Method for producing an exhaust gas sensor Method for producing an exhaust gas sensor

1987-09-28

1990-03-27

Doll, John

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

73863, 324 715, 324425, 324694, 422 98, C01G 1900

Patent

active

049119141

ABSTRACT:
A method of producing an exhaust gas sensor incorporating BaSnO.sub.3. Stannate ion and barium ion are reacted in a strong alkali to precipitate water-containing crystals of BaSnO.sub.3 such as BaSnO.sub.3.3H.sub.2 O, BaSnO.sub.3.5H.sub.2 O or the like. When thermally decomposed, the precipitate gives BaSnO.sub.3 free from segregated Ba and Sn elements. The product was then molded and thereafter sintered to obtain the sensor.

REFERENCES:
patent: 2413762 (1947-01-01), Gutzeit et al.
patent: 4291009 (1981-09-01), Franks
B. L. Chamberland and S. Silverman, "The Preparation and Characterization of Several Mixed Metal Hydroxides of the Type AB(OH).sub.6 ", Journal of the Less-Common Metals, 65, No. 2 (Jun., 1979), pp. 41-48.

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