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CO-sensing properties of a NASICON-based gas sensor attached with Pt mixed with Bi2O3 as a sensing electrode
http://hdl.handle.net/10069/35067
http://hdl.handle.net/10069/35067c07d449c-abb7-49eb-8d13-0ea2302a0573
名前 / ファイル | ライセンス | アクション |
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EleAct155_8.pdf (3.8 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-02-04 | |||||
タイトル | ||||||
タイトル | CO-sensing properties of a NASICON-based gas sensor attached with Pt mixed with Bi2O3 as a sensing electrode | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | carbon monoxide | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | gas sensor | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | NASICON | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | solid electrolyte | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Takeda, Hirotaka
× Takeda, Hirotaka× Ueda, Taro× Kamada, Kai× Matsuo, Katsuhide× Hyodo, Takeo× Shimizu, Yasuhiro |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | NASICON (Na3Zr2Si2PO12)-based gas sensors capable of detecting various gases (CO2, NO2, Cl2, VOC and so on) have so far been developed by many researchers. In this study, planar-type gas sensors using a NASICON disc attached with Pt mixed with Bi2O3 as a sensing electrode (Pt(nBi2O3), n (0.01?30): the amount of Bi2O3 addition (wt%)) and Pt as a reference electrode were fabricated, and their sensing properties to CO and H2 were examined in the operating temperature range of 25?300 °C in dry and wet air. The sensors obtained were denoted as Pt(nBi2O3)/Pt. All Pt(nBi2O3)/Pt sensors fabricated responded to CO at all operating temperatures tested, and the magnitude of CO response increased with a decrease in the operating temperature. In addition, the magnitude of CO response largely depended on the additive amounts of Bi2O3 to the Pt sensing electrode. The increase in the additive amount of Bi2O3 to the Pt sensing electrode (0.01 ? n ? 1) enhanced markedly the magnitude of CO response, 90% response time and CO selectivity against H2. The Pt(1Bi2O3)/Pt sensor showed a linear relationship between the CO response and the logarithm of CO concentration (1?3000 ppm) in dry air at 25 °C and the CO selectivity against H2 was enhanced in wet air, in comparison with those observed in dry air. The interfacial layer, which was formed between the NASICON and the Pt(1Bi2O3) electrode, was suggested to play an important role in improving of the CO-sensing properties. | |||||
書誌情報 |
Electrochimica Acta 巻 155, p. 8-15, 発行日 2015-02-10 |
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出版者 | ||||||
出版者 | Elsevier Limited | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00134686 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.electacta.2014.12.168 | |||||
権利 | ||||||
権利情報 | c 2015 Elsevier Ltd. | |||||
権利 | ||||||
権利情報 | NOTICE: this is the author’s version of a work that was accepted for publication in Electrochimica Acta. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Electrochimica Acta, 155, (2015) | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Electrochimica Acta, 155, pp.8-15; 2015 |