Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Date of Patent
November 3, 2009
0Patent Application Number
111955080
Date Filed
August 2, 2005
0Patent Primary Examiner
Patent abstract
A total NOx sensor with minimal interferences from CO and O2 includes a yttria-stabilized zirconia (YSZ) pellet and a Pt-loaded zeolite Y layer. Furthermore, three platinum wires are attached to the YSZ surface which operate as the working, counter and reference electrode. A potentiostat is connected to the electrodes to maintain a fixed potential between the reference and working electrode. The potentiostat then monitors the relationship between time and current through the counter electrode.
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