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Titolo:
CO2 GAS SENSOR USING THE POTASSIUM IONIC CONDUCTOR K2O-SM2O3-6SIO(2)
Autore:
NAKAYAMA S; KUWATA S; SATO M; SAKAMOTO M; SADAOKA Y;
Indirizzi:
SHINAGAWA REFRACTORIES CO LTD,RES CTR,707 IMBE BIZEN 705 JAPAN NIIHAMA NATL COLL TECHNOL,DEPT IND CHEM NIIHAMA 972 JAPAN NIIGATA UNIV,FAC ENGN,DEPT CHEM & CHEM ENGN NIIGATA 95021 JAPAN YAMAGATA UNIV,FAC SCI,DEPT MAT & BIOL CHEM YAMAGATA 990 JAPAN EHIME UNIV,FAC ENGN,DEPT FUNCT & MAT ENGN MATSUYAMA EHIME 790 JAPAN
Titolo Testata:
Nippon Seramikkusu Kyokai gakujutsu ronbunshi
fascicolo: 3, volume: 105, anno: 1997,
pagine: 255 - 257
SICI:
0914-5400(1997)105:3<255:CGSUTP>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
LA; ND; SM; GD; DY; HO; ER; YB;
Keywords:
POTASSIUM IONIC CONDUCTOR; CARBON DIOXIDE; SOLID STATE CELL; POTENTIOMETRIC GAS SENSOR; ELECTROMOTIVE FORCE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
9
Recensione:
Indirizzi per estratti:
Citazione:
S. Nakayama et al., "CO2 GAS SENSOR USING THE POTASSIUM IONIC CONDUCTOR K2O-SM2O3-6SIO(2)", Nippon Seramikkusu Kyokai gakujutsu ronbunshi, 105(3), 1997, pp. 255-257

Abstract

A solid state electrochemical cell using the K+ ionic conductor, K2O-Sm2O3-6SiO(2), as a solid electrolyte was investigated for monitoring carbon dioxide in air. At temperatures of 300 to 500 degrees C, the electromotive force, EMF, of the sensor increased linearly with an increase in the logarithm of carbon dioxide partial pressure, in accordancewith the Nernst's law. The slope of the Nernst's equation suggests two electrons reaction of carbon dioxide molecules at the detection electrode. The 90% response time of EMF of the sensor at 500 degrees C wasabout 4 min. The long-term stability of EMF of the sensor was essentially good after the 10th day.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/03/20 alle ore 08:38:43