Electrochemical gas sensor

Details Electrochemical gas sensor Electrochemical gas sensor

1982-05-28

1985-02-12

Kaplan, G. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

G01N 2730, G01N 2754

Patent

active

044989709

ABSTRACT:
An electrochemical gas sensor having a relatively small sensing electrode (12) formed from powdered metal pressed onto a relatively thick porous sheet (24) of polytetrafluoroethylene (PTFE), through which gas is diffused. The electrode (12) is located at one end of a housing (10) containing an electrolyte (22) and a counter electrode (14). The sensing electrode structure provides relative insensitivity to temperature changes, rapid response to pressure charges, and a desirably low operating current.

REFERENCES:
patent: 3429796 (1969-02-01), Lauer
patent: 3510420 (1970-05-01), Mills
patent: 3708412 (1973-01-01), Lofgren
patent: 4132616 (1979-01-01), Tantram et al.

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