Solid state oxygen sensor
Patent
·
OSTI ID:563651
A potentiometric oxygen sensor is formed having a logarithmic response to a differential oxygen concentration while operating as a Nernstian-type sensor. Very thin films of mixed conducting oxide materials form electrode services while permitting diffusional oxygen access to the interface between the zirconia electrolyte and the electrode. Diffusion of oxygen through the mixed oxide is not rate-limiting. Metal electrodes are not used so that morphological changes in the electrode structure do not occur during extended operation at elevated temperatures. 6 figs.
- Research Organization:
- University of California
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-36
- Assignee:
- Univ. of California, Alameda, CA (United States)
- Patent Number(s):
- US 5,695,624/A/
- Application Number:
- PAN: 8-687,900
- OSTI ID:
- 563651
- Country of Publication:
- United States
- Language:
- English
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