Electrochemical carbon dioxide sensor
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United States of America Patent
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Oct 12, 2010
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app pub date -
Oct 17, 2005
filing date -
Oct 15, 2004
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Abstract
An electrochemical sensor is provided for the detection of carbon dioxide gas. The sensor includes a non-conductive solid substrate and at least one each of a metal oxide sensing electrode, a reference electrode and a counter electrode positioned on the substrate. A solid polymer electrolyte anion-exchange membrane is in intimate contact with the sensing electrode, reference electrode and counter electrode. The sensor is highly sensitive and selective to carbon dioxide and has very rapid response time.
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