Electrochemical cell
US7179355B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 19, 2003 |
| Grant date | Feb 20, 2007 |
| Priority date | — |
| Expiry date | Jul 9, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/4045
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed is an electrochemical sensor for measuring carbon monoxide in a gas sample, the sensor comprising a working electrode including a working electrode catalyst, and a diffusion restriction means for restricting the diffusion of the gas sample to the working electrode; wherein the working electrode catalyst comprises oxidised platinum having a hydrogen cross-sensitivity of less than 10% and being present in an amount such that the activity capacity is at least 5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.