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Array-type NH.sub.3 sensor

United States Patent

December 31, 2013
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
An array-type sensor that senses NH.sub.3 includes non-Nernstian sensing elements constructed from metal and/or metal-oxide electrodes on an O.sub.2 ion conducting substrate. In one example sensor, one electrode may be made of platinum, another electrode may be made of manganese (III) oxide (Mn.sub.2O.sub.3), and another electrode may be made of tungsten trioxide (WO.sub.3). Some sensing elements may further include an electrode made of La.sub.0.6Sr.sub.0.4Co.sub.0.2Fe.sub.0.8O.sub.3 and another electrode made of LaCr.sub.0.95Mg.sub.0.05O.sub.3.
West; David Lawrence (Oak Ridge, TN), Montgomery; Frederick Charles (Oak Ridge, TN), Armstrong; Timothy R. (Clinton, TN), Warmack; Robert J. (Knoxville, TN)
UT-Battelle, LLC (Oak Ridge, TN)
13/ 046,412
March 11, 2011
GOVERNMENT INTEREST The inventions were made with government support under Prime Contract No. DE-AC05-000R22725 awarded by the U.S. Department of Energy. The government has certain rights in inventions.