Electrochemical gas sensor, liquid electrolyte and use of a liquid electrolyte in an electrochemical gas sensor

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United States of America Patent

PATENT NO 10175191
APP PUB NO 20160103092A1
SERIAL NO

14889968

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An electrochemical gas sensor (10) has a housing (20), a working electrode (51), a counterelectrode (52) and a reference electrode (53). The housing (20) has an electrolyte reservoir (30), a gas inlet orifice (21) and at least one gas outlet orifice (22). The electrolyte reservoir (30) is filled with a liquid electrolyte (40). The gas sensor (10) has a counterelectrode carrier (26). The counterelectrode (52) is suspended on the counterelectrode carrier (26) in such a way that the counterelectrode (52) is suspended in the electrolyte reservoir (30) and the electrolyte (40) flows around the counterelectrode (52) on all sides. Preferably, the electrolyte includes (I) a solvent, e.g. water, propylene carbonate, ethylene carbonate or mixtures thereof; (ii) a conductive salt, especially an ionic liquid; and/or (iii) an organic mediator, for example substituted quinones, anthraquinones, etc.

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Patent Owner(s)

  • DRÄGER SAFETY AG & CO. KGAA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chrzan, Rigobert Bad Oldesloe, DE 16 146
Mattern-Frühwald, Marie-Isabell Bargteheide, DE 11 7
Mett, Frank Lübeck, DE 31 369
Nauber, Andreas Stockelsdorf, DE 15 58
Sick, Michael Timmendorfer Strand, DE 17 67
Sommer, Sabrina Lübeck, DE 14 65
Steiner, Gregor Titisee-Neustadt, DE 7 28

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