Carbon dioxide gas sensor

Details Carbon dioxide gas sensor Carbon dioxide gas sensor

1996-12-03

1999-11-30

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204421, 204426, 205784, 264109, 264603, 422 98, G01N 2702, G01N 27407

Patent

active

059936240

ABSTRACT:
A carbon dioxide gas sensor for detecting carbon dioxide gas concentration wherein the carbon dioxide gas detection part consists essentially of a carbonate, a carbonate decomposition catalyst and a semiconductor oxide, particularly preferably BaCO3, CeO.sub.2 and CuO mixed in a specific molar ratio.
A process for producing the carbon dioxide detection part of a carbon dioxide gas sensor, wherein the raw-materials in the form of acetic acid salts are uniformly dissolved in a solvent, then dried and ground to produce a ceramic material with a small average particle diameter.

REFERENCES:
patent: 4321577 (1982-03-01), Carlson
patent: 4574264 (1986-03-01), Takahashi et al.
patent: 4715944 (1987-12-01), Yanagida et al.
patent: 4755473 (1988-07-01), Nishio et al.
patent: 5194134 (1993-03-01), Futata et al.

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