Proton conductor gas sensor
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United States of America Patent
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Oct 14, 2008
Grant Date -
Jul 15, 2004
app pub date -
May 23, 2002
filing date -
May 25, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A MEA 6 having a proton conductive membrane is sandwiched by metal plates 14, 15 and they are further sandwiched by heat pressable films 20, 21. An opening 24 and an opening 18 are formed in the heat pressable film 20 and the metal plate 14, respectively so that an electrode 10 is used as the sensing electrode and exposed to atmosphere to be measured. Openings 25, 19 are formed in the heat pressable film 21 and metal plate 15, respectively so that an electrode 11 is used as the counter electrode, and water vapor is supplied to the electrode from a water pack.
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