Selective CO Detection Using YSZ-based Sensor with a Combination of CuCrFeO₄ and CoCrFeO₄ Electrodes

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• 作者：Sri Ayu Anggraini ; Hiroshi Ikeda ; Norio Miura ; ^{miurano@astec.kyushu-u.ac.jp" class="auth_mail" title="E-mail the corresponding author}
• 关键词：CO sensor ; Mixed potential ; YSZ ; CuCrFeO4 ; CoCrFeO4
• 刊名：Procedia Chemistry
• 出版年：2016
• 出版时间：2016
• 年：2016
• 卷：20
• 期：Complete
• 页码：118-120
• 全文大小：185 K

文摘

A solid-state potentiometric sensor using yttria-stabilized zirconia (YSZ) as a solid electrolyte and oxide electrodes has been developed for selective CO detection. At 450^oC, the YSZ-based sensor using CuCrFeO₄ sensing-electrode (SE) was found to have similar gas sensing characteristic with the sensor using CoCrFeO₄-SE, except toward CO. When both SEs was paired on a YSZ tube, the responses to various gases except for CO could be cancelled out for the resulting combined-SEs sensor. Thus, this sensor could generate a sensitive and selective response to CO at 450^oC even under humid conditions.