Solid-state amperometric CO2 sensor using a sodium ion conductor

Ji Sun Lee; Jong Heun Lee; Seong Hyeon Hong

doi:10.1016/S0955-2219(03)00430-8

Solid-state amperometric CO₂ sensor using a sodium ion conductor

Ji Sun Lee, Jong Heun Lee, Seong Hyeon Hong

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

A solid-state amperometric CO₂ sensor was prepared by combining a NASICON (Na⁺ conductor, Na₃Zr₂Si₂PO₁₂) with a porous Na₂CO₃ auxiliary layer deposited on a sensing electrode. The current between sensing and counter electrodes as a function of CO₂ concentration was approximately linear in the range of 200-2000 ppm at 400 °C. The device could be operated stably during the test period (60 days). The sensing characteristics and long-term stability were discussed in the light of the sensing mechanism.

Original language	English
Pages (from-to)	1431-1434
Number of pages	4
Journal	Journal of the European Ceramic Society
Volume	24
Issue number	6
DOIs	https://doi.org/10.1016/S0955-2219(03)00430-8
Publication status	Published - 2004 Jun
Externally published	Yes

Keywords

Amperometric CO sensing
Ionic conductivity
Sensors

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

Access to Document

10.1016/S0955-2219(03)00430-8

Cite this

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title = "Solid-state amperometric CO2 sensor using a sodium ion conductor",

abstract = "A solid-state amperometric CO2 sensor was prepared by combining a NASICON (Na+ conductor, Na3Zr2Si2PO12) with a porous Na2CO3 auxiliary layer deposited on a sensing electrode. The current between sensing and counter electrodes as a function of CO2 concentration was approximately linear in the range of 200-2000 ppm at 400 °C. The device could be operated stably during the test period (60 days). The sensing characteristics and long-term stability were discussed in the light of the sensing mechanism.",

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AU - Lee, Jong Heun

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AB - A solid-state amperometric CO2 sensor was prepared by combining a NASICON (Na+ conductor, Na3Zr2Si2PO12) with a porous Na2CO3 auxiliary layer deposited on a sensing electrode. The current between sensing and counter electrodes as a function of CO2 concentration was approximately linear in the range of 200-2000 ppm at 400 °C. The device could be operated stably during the test period (60 days). The sensing characteristics and long-term stability were discussed in the light of the sensing mechanism.

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