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	Influence of High TemperatureWater Vapor on Characteristics of CO2 Electrochemical Sensor
	Wang, Guangwei1,2; Chen, Hongzhen2; Li, Youfeng1; Xie, Bo1; Jiang, Zhongyuan1
	2019
摘要	Carbon dioxide electrochemical sensor was prepared with Li and Ba co-doped oxycarbonate as auxiliary sensing electrode and YSZ as electrolyte, then the influence of high temperature water vapor on the performance of the sensor was investigated. The results show that the potentiometric sensor respond correctly and rapidly to the change of CO2 concentration (271~576802 μL/L) after pretreatment in water vapor (300) for 24~120 h. The number of transfer electrons of the electrode reactions were approximately 2. Low oxygen dependency was found for the sensors, whether they were pretreated or not in water vapor for 120 h, all responded rapidly and accordingly for different oxygen content. The sensor worked not only in water vapor for relatively long term, but also after the constantly water vapor treatment to some extent. © All right reserved.
DOI	10.11901/1005.3093.2018.711
发表期刊	Cailiao Yanjiu Xuebao/Chinese Journal of Materials Research
ISSN	10053093
卷号	33期号:9页码:713-720
收录类别	EI
语种	中文