Compact electrochemical cell for gas detection
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United States of America Patent
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Sep 6, 1988
Grant Date -
N/A
app pub date -
Jul 10, 1987
filing date -
Jul 10, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrochemical cell for use in gas detection includes a cell body having an electrolyte cavity and a separate sensor cavity. The sensor cavity holds stacked sensor elements including a counter electrode, electrolyte mat, reference electrode and sensing electrode. A wick draws the electrolyte from the electrolyte cavity to the electrolyte mat. The sensing electrode closes off the sensor cavity and seals the counter and reference electrodes therein. The only gas which contacts the counter and reference electrodes is that which passes through the sensing electrode or is generated by the counter electrode and becomes dissolved in the electrolyte.
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