Patent · US Expired

Electrochemical cell

US7179355B2 · kind B2 · utility

11Cited by
6References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 19, 2003
Grant dateFeb 20, 2007
Priority date
Expiry dateJul 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.