Three-electrode electrochemical gas sensor

Details Three-electrode electrochemical gas sensor Three-electrode electrochemical gas sensor

1998-09-08

2000-08-08

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204415, 204432, 205783, G01N 27404

Patent

active

060997087

ABSTRACT:
A simple, reliable, and leak-proof three-electrode electrochemical sensor for detection of toxic gases. The sensor comprises a housing having an electrochemical gas sensor cell with an electrolyte and sensing, counter and reference electrodes bonded to conductive plastic. Each of the electrodes is a membrane formed from a fluoropolymer film having a layer adhered thereto of a fluoropolymer-impregnated catalyst. The layers of each of the electrodes are bonded to conductive plastic, and are separated by an absorbent material having an electrolyte absorbed therein. The sensor is particularly intended for detection of carbon monoxide, but may be used to detect other gases.

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