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中文摘要：
文中介绍了一种管式结构的固体电解质NO2气体传感器。该传感器是用溶胶一凝胶法制备的NASICON（钠离子导体）为导电层材料，利用化学沉淀法制备的NiO和贵金属Au作为敏感电极材料制得的。文中研究了不同敏感电极材料对气体传感器性能的影响。以NiO＋Au作为敏感电极材料的传感器具有较大的灵敏度，当工作温度在300℃时，对浓度为（5～200）×10^-6的NO2表现出了良好的气敏性能，传感器的灵敏度大于70mV／decade．
英文摘要：
Presented was the solid-electrolyte NO2 gas sensor with pipe structure. The NASICON （ sodium super ionic conductor） material for the conductive layer was synthesized by sol-gel method, NiO by chemical precipitation and Au for the sensing materials. The effects of different sensing electrodes on the characteristics of the sensor were investigated. The sensor with NiO ＋ Au as the sensing electrode gave the largest sensitivity to （5 -200） ×10^-6 nitrogen dioxide in air at 300℃, the sensitivity （slope） was more than 70 mV/decade.
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