Planar ZrO.sub.2 oxygen pumping sensor

Details Planar ZrO.sub.2 oxygen pumping sensor Planar ZrO.sub.2 oxygen pumping sensor

1983-04-18

1984-12-11

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204425, 204427, 204412, G01N 2746

Patent

active

044876807

ABSTRACT:
A planar oxygen pumping device (10) has a first and second oxygen ion conductive solid electrolyte material layer (12, 18). A first electrode (16) is between, and in contact with, the first electrolyte material layers and the second electrolyte material layer. A second electrode (14) is on the first electrolyte material layer. A third electrode (20) is on the second electrolyte material layer. At least one of the first and second electrolyte layers has a porosity sufficient to establish at the first electrode (16) an oxygen concentration dependent upon the ambient atmosphere.

REFERENCES:
patent: 3791937 (1974-02-01), Besson et al.
patent: 4101403 (1978-07-01), Kita et al.
patent: 4207159 (1980-06-01), Kimura et al.
patent: 4264425 (1981-04-01), Kimura et al.
patent: 4298573 (1981-11-01), Fujishiro
patent: 4300991 (1981-11-01), Chiba et al.
patent: 4302312 (1981-11-01), Ishitani et al.
patent: 4306957 (1981-12-01), Ishitani et al.
patent: 4377460 (1983-03-01), Hirayama et al.

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