Sensor element for detecting at least one property of a measuring gas in a measuring gas chamber

A sensor element for detecting at least one property of a measuring gas in a measuring gas chamber, in particular for detecting a proportion of a gas component in the measuring gas or a temperature of the measuring gas, includes a ceramic layer construction that includes at least one electrochemical...

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Bibliographische Detailangaben
Hauptverfasser:	Raffelstetter, Peter, Piwonski, Michael, Lehre, Thilo, Diehl, Lothar, Deromelaere, Gaetan, Sahm, Thorsten
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A sensor element for detecting at least one property of a measuring gas in a measuring gas chamber, in particular for detecting a proportion of a gas component in the measuring gas or a temperature of the measuring gas, includes a ceramic layer construction that includes at least one electrochemical cell, the electrochemical cell having at least one first electrode, a second electrode, and at least one solid electrolyte connecting the first electrode and the second electrode. The second electrode is situated in the layer construction facing an electrode cavity that is in the layer construction. The second electrode has at least one outer diameter that is greater than a corresponding outer diameter of the electrode cavity.