Electrode ink formulation for oxygen sensor
US6365036B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 6, 2000 |
| Grant date | Apr 2, 2002 |
| Priority date | — |
| Expiry date | Mar 6, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/4075
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The sensor of the present invention comprises a solid electolyte with an electrode disposed on both sides thereof and an electrical lead connected to each electrode. The solid electrolyte is yttria doped zirconia. The first electrode, the sensing electrode, is exposed to the sensing gas such as an exhaust gas. The second electrode, the reference electrode, is exposed to a reference gas, wherein at least one of the sensing electrode and the reference electrode comprises a noble metal, platinum, metal oxide and alumina or in mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.