Limiting current-type oxygen sensor

Details Limiting current-type oxygen sensor Limiting current-type oxygen sensor

1989-08-01

1990-08-21

Kaplan, G. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204410, 204412, 204425, G01N 2741

Patent

active

049503804

ABSTRACT:
A limiting current-type oxygen sensor including (a) a pair of oxygen ion-permeable substrates made of a zirconia solid electrolyte; (b) at least one diffusion pore provided in at least one of the substrates, which extends substantially along the thickness of the substrate for causing oxygen diffusion through the diffusion pore to be a rate-determining step; (c) a sealing member for fixing the pair of substrates such that a closed chamber is defined between the substrates; and (d) a pair of porous electrodes provided on both outer and inner surfaces of each electrode.

REFERENCES:
patent: 4666566 (1987-05-01), Mizutani et al.

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