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Solid Electrolyte Multisensor System for Detecting O2, CO, and NO2.

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Title: Solid Electrolyte Multisensor System for Detecting O2, CO, and NO2.
Authors: Folch, Jaume1 jfolch@el.ub.es, Capdevila, Xavier G.2, Segarra, Mercë2, Morante, Joan Ramon1
Source: Journal of The Electrochemical Society. Jul2007, Vol. 154 Issue 7, pJ201-J208. 8p.
Subjects: Electrolytes, Electrochemistry, Combustion, Conductometric analysis, Semiconductors, Oxygen, Metallic oxides, Electric potential, Carbon dioxide
Abstract: A low-cost multisensor system for combustion control based on electrochemical gas sensors has been manufactured and studied. We followed simple technological steps to join three simple planar elements exhibiting complementary sensing properties. The system does not require a reference atmosphere and combines an amperometric module for O2 measurement and two potentiometric elements for CO and NO2 detection. The working temperature of 600°C was selected as a compromise between the electrochemical response signals and diffusion kinetics of the potentiometric CO- and NO2-sensing modules. We established the response and recovery times for CO, NO2, and oxygen pulses, together with their respective activation energies. For the whole range of gaseous compositions, the electrical measurements provided by the oxygen-sensing module permitted the correction of the oxygen cross-sensitivity for the two potentiometric elements. Principal component analysis has been used to show the feasibility of simultaneous detection of NO2, CO, and O2 using this low-cost system, which reveals great promise for use in domestic gas boilers. [ABSTRACT FROM AUTHOR]
Copyright of Journal of The Electrochemical Society is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Solid Electrolyte Multisensor System for Detecting O<subscript>2</subscript>, CO, and NO<subscript>2</subscript>.
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  Data: <searchLink fieldCode="DE" term="%22Electrolytes%22">Electrolytes</searchLink><br /><searchLink fieldCode="DE" term="%22Electrochemistry%22">Electrochemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Combustion%22">Combustion</searchLink><br /><searchLink fieldCode="DE" term="%22Conductometric+analysis%22">Conductometric analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Semiconductors%22">Semiconductors</searchLink><br /><searchLink fieldCode="DE" term="%22Oxygen%22">Oxygen</searchLink><br /><searchLink fieldCode="DE" term="%22Metallic+oxides%22">Metallic oxides</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+potential%22">Electric potential</searchLink><br /><searchLink fieldCode="DE" term="%22Carbon+dioxide%22">Carbon dioxide</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: A low-cost multisensor system for combustion control based on electrochemical gas sensors has been manufactured and studied. We followed simple technological steps to join three simple planar elements exhibiting complementary sensing properties. The system does not require a reference atmosphere and combines an amperometric module for O2 measurement and two potentiometric elements for CO and NO2 detection. The working temperature of 600°C was selected as a compromise between the electrochemical response signals and diffusion kinetics of the potentiometric CO- and NO2-sensing modules. We established the response and recovery times for CO, NO2, and oxygen pulses, together with their respective activation energies. For the whole range of gaseous compositions, the electrical measurements provided by the oxygen-sensing module permitted the correction of the oxygen cross-sensitivity for the two potentiometric elements. Principal component analysis has been used to show the feasibility of simultaneous detection of NO2, CO, and O2 using this low-cost system, which reveals great promise for use in domestic gas boilers. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Journal of The Electrochemical Society is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1149/1.2735926
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 8
        StartPage: J201
    Subjects:
      – SubjectFull: Electrolytes
        Type: general
      – SubjectFull: Electrochemistry
        Type: general
      – SubjectFull: Combustion
        Type: general
      – SubjectFull: Conductometric analysis
        Type: general
      – SubjectFull: Semiconductors
        Type: general
      – SubjectFull: Oxygen
        Type: general
      – SubjectFull: Metallic oxides
        Type: general
      – SubjectFull: Electric potential
        Type: general
      – SubjectFull: Carbon dioxide
        Type: general
    Titles:
      – TitleFull: Solid Electrolyte Multisensor System for Detecting O2, CO, and NO2.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Folch, Jaume
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          Name:
            NameFull: Capdevila, Xavier G.
      – PersonEntity:
          Name:
            NameFull: Segarra, Mercë
      – PersonEntity:
          Name:
            NameFull: Morante, Joan Ramon
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            – D: 01
              M: 07
              Text: Jul2007
              Type: published
              Y: 2007
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              Value: 00134651
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              Value: 154
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              Value: 7
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            – TitleFull: Journal of The Electrochemical Society
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