Patent · US Active

Ammonia gas sensors

US7828955B2 · kind B2 · utility

3Cited by
1References
38Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 10, 2006
Grant dateNov 9, 2010
Priority date
Expiry dateSep 8, 2029

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02A50/20
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

One embodiment of an ammonia gas sensor includes: a reference electrode, an ammonia selective sensing electrode and an electrolyte disposed therebetween. The sensing electrode comprises the reaction product of a main material selected from the group consisting of vanadium, tungsten, molybdenum, vanadium oxides, tungsten oxides, molybdenum oxides, and combinations comprising at least one of the foregoing main materials, and an electrically conducting material selected from the group consisting of electrically conductive metals, electrically conductive metal oxides, and combinations comprising at least one of the foregoing.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.