Gas sensor

Details Gas sensor Gas sensor

1980-07-15

1984-04-10

Kaplan, G. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

G01N 2758

Patent

active

044419813

ABSTRACT:
A gas sensor wherein a first electrode whose surface is covered with an oxidizing catalyst, and a second electrode which is made of the same material as that of the first electrode and whose surface is exposed and can come into direct contact with a gas to-be-detected are disposed on a solid electrolyte which exhibits an oxygen ion conductivity.
Since the gas sensor of this invention has the electrodes formed of the identical material, it has over a prior-art gas sensor the merits that secular changes are very little and that the operation is possible even at low temperatures. It can readily detect a combustible gas on the order of several tens p.p.m.

REFERENCES:
patent: 3935089 (1976-01-01), Togawa et al.
patent: 3962866 (1976-06-01), Neidhard et al.
patent: 3974054 (1976-08-01), Poolman et al.
patent: 4005001 (1977-01-01), Pebler
patent: 4132615 (1979-01-01), Linder et al.
patent: 4157282 (1979-06-01), Riddel

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