Electrochemical gas sensor

Details Electrochemical gas sensor Electrochemical gas sensor

1996-11-14

1998-05-05

Bell, Bruce F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204426, 204431, 204432, G01N 2726

Patent

active

057468990

ABSTRACT:
An electrochemical gas sensor comprises sensing and counter electrodes mounted on the same side of a planar support. An electrolyte is in contact with the sensing and counter electrodes. A capillary controls the access of gas to the sensing electrode. A barrier layer extends over the sensing and counter electrodes, the barrier layer being positioned relative to the capillary and the support being non-electrically conductive and being sufficiently porous such that gas from the capillary is guided transversely and laterally through the support first to reach the sensing electrode and then to reach the counter electrode.

REFERENCES:
patent: 4587003 (1986-05-01), Tantram et al.
patent: 4820386 (1989-04-01), LaConti
patent: 5183550 (1993-02-01), Mattiessen

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