Method and device for hydrogen and hydrocarbon sensing
US6793788B2 · kind B2 · utility
4Cited by
26References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2002 |
| Grant date | Sep 21, 2004 |
| Priority date | — |
| Expiry date | May 31, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/4075
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
One embodiment of a method of fabricating a sensor element for an exhaust gas sensing device, comprises disposing an electrolyte in ionic communication with a sensing electrode and a reference electrode to form the sensor element. The sensing electrode comprises an activator comprising silica and an oxide of an element. The element is selected from the group consisting of alkaline earth elements, rare earth elements, and combinations comprising at least one of the foregoing elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.