The origin of oxygen dependence in a potentiometric CO(2) sensor with Li-ion conducting electrolytes

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dc.contributor.authorPark, Chong-Ookko
dc.contributor.authorLee, Cko
dc.contributor.authorAkbar, SAko
dc.contributor.authorHwang, Jko
dc.date.accessioned2009-08-04T08:44:08Z-
dc.date.available2009-08-04T08:44:08Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2003-01-
dc.identifier.citationSENSORS AND ACTUATORS B-CHEMICAL, v.88, no.1, pp.53 - 59-
dc.identifier.issn0925-4005-
dc.identifier.urihttp://hdl.handle.net/10203/10467-
dc.description.abstractWhen the electrochemical cell arrangement of type III, O(2), CO(2), Au, Li(2)CO(3)\Li(+) conductor\O(2), reference (a(Li2O) = constant) is used to measure the CO(2) concentration in air, the emf should depend only on the logarithmic concentration of CO(2). In reality, however, the sensor response is also affected by the oxygen present in the environment. The oxygen dependence of the CO(2) sensing electrochemical cell originates from an influence of electronic conduction in the electrolyte. The theoretical change of emf with oxygen pressure, which is predicted from the modified emf-equation for the electrochemical cell with a mixed conducting electrolyte, agrees well with the measured emf change. (C) 2002 Elsevier Science B.V. All rights reserved.-
dc.description.sponsorshipThe authors are very grateful to John Howarter for his assistance in experiments as well as to Dr. Rapp (Emeritus Professor) for critical reading of the manuscript. The work was supported by NSF through CISM and a Korean Research Foundation Grant.en
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherELSEVIER SCIENCE SA-
dc.subjectSOLID-ELECTROLYTE-
dc.subjectGAS SENSOR-
dc.subjectHIGH-PERFORMANCE-
dc.subjectMETAL CARBONATE-
dc.subjectGALVANIC CELL-
dc.subjectSPACE-CHARGE-
dc.subjectALUMINA-
dc.subjectPROBE-
dc.titleThe origin of oxygen dependence in a potentiometric CO(2) sensor with Li-ion conducting electrolytes-
dc.typeArticle-
dc.identifier.wosid000180139800005-
dc.identifier.scopusid2-s2.0-0037212329-
dc.type.rimsART-
dc.citation.volume88-
dc.citation.issue1-
dc.citation.beginningpage53-
dc.citation.endingpage59-
dc.citation.publicationnameSENSORS AND ACTUATORS B-CHEMICAL-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorPark, Chong-Ook-
dc.contributor.nonIdAuthorLee, C-
dc.contributor.nonIdAuthorAkbar, SA-
dc.contributor.nonIdAuthorHwang, J-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorcarbon dioxide sensor-
dc.subject.keywordAuthorelectrochemical sensor-
dc.subject.keywordAuthoroxygen dependence-
dc.subject.keywordAuthorLi-ion conductor-
dc.subject.keywordAuthormixed conduction-
dc.subject.keywordPlusSOLID-ELECTROLYTE-
dc.subject.keywordPlusGAS SENSOR-
dc.subject.keywordPlusHIGH-PERFORMANCE-
dc.subject.keywordPlusMETAL CARBONATE-
dc.subject.keywordPlusGALVANIC CELL-
dc.subject.keywordPlusSPACE-CHARGE-
dc.subject.keywordPlusALUMINA-
dc.subject.keywordPlusPROBE-
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