Nasicon-based planar-type cO2 sensor attached with solid reference electrode stable under high humid conditions

T. Kida, S. Kishi, M. Yuasa, K. Shimanoe, N. Yamazoe

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

In order to improve the stability of a NASICON (Na3Zr 2Si2PO12; Na+ conductor)-based potentiometric CO2 sensor under humid conditions, a new solid-reference electrode of the BiCuVOx (Bi2Cu0.1V 0.9O5.35)/perovskite-type oxide (La0.6Sr 0.4Co0.02Ni0.02Fe0.2O3) composite was investigated. The fabricated electrochemical cell (CO 2+O2, Au/ Li2CO3-BaCO3/ NASICON/ BiCuVOx-La0.6Sr0.4Co0.78Ni 0.02Fe0.2O3, O2) responded well to changes in CO2 concentration (100-400 ppm) at 400-450 °C under high humid conditions (86 %RH) without degradation. The sensor device also exhibited a good warming-up characteristic, i.e., the electromotive force of the device quickly reached a steady and constant value when the sensor operation is re-started even after the sensor was exposed to high humid air at room temperature.

本文言語英語
ホスト出版物のタイトルTRANSDUCERS and EUROSENSORS '07 - 4th International Conference on Solid-State Sensors, Actuators and Microsystems
ページ975-978
ページ数4
DOI
出版ステータス出版済み - 2007
イベント4th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS and EUROSENSORS '07 - Lyon, フランス
継続期間: 6 10 20076 14 2007

出版物シリーズ

名前TRANSDUCERS and EUROSENSORS '07 - 4th International Conference on Solid-State Sensors, Actuators and Microsystems

その他

その他4th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS and EUROSENSORS '07
Countryフランス
CityLyon
Period6/10/076/14/07

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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