平面，阻抗-公制氮氧化物传感器与NiO传感电极的高温应用

TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference Pub Date : 2007-06-10 DOI:10.1109/SENSOR.2007.4300297

M. Stranzenbach, B. Saruhan

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引用次数: 6

摘要

在这项研究中，使用了一种创新类型的传感器配置，它包含由准单晶柱构成的电解质，多孔NiO传感电极(SE)和沉积在背面的导电Pt参比电极(RE)。电解液采用EB-PVD制备的FYSZ和PYSZ组成的圆盘。在不同浓度的典型烟气混合物中对传感器进行了气敏表征。阻抗和电位分析在100 kHz和0.005 Hz的频率范围内进行。与使用PYSZ电解质的传感器相比，使用FYSZ电解质的传感器可以在更高的温度下工作。本研究实现的最高感应温度为600℃。在5%vol的存在下成功检测到NO。O2在最高工作温度下。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Planar, Impedance-Metric NOX Sensor with NiO Sensing Electrode for High Temperature Applications

In this study, an innovative type of sensor configuration is used which contains an electrolyte constructed of quasi-single crystalline columns, a porous NiO sensing electrode (SE) and a conductive Pt reference electrode (RE) deposited on the backside. As electrolyte EB-PVD manufactured discs of FYSZ and PYSZ composition were used. Gas sensing characterization of the sensors was carried with typical flue-gas mixtures in various concentrations. Impedance and potential analysis were done at a frequency range of 100 kHz and 0.005 Hz. Sensors with FYSZ electrolyte could be operated at higher temperatures compared to those with PYSZ electrolytes. The highest achieved sensing temperature in this study was 600degC. NO was successfully detected under the presence of 5%vol. O2 at the maximum operating temperature.

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TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference

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