| 用LSCo作扩散障碍层的极限电流型氧传感器 |
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| 引用本文： | 李福燊, 杨媚, 吴卫江, 李丽芬. 用LSCo作扩散障碍层的极限电流型氧传感器[J]. 工程科学学报, 2004, 26(5): 495-497. DOI: 10.13374/j.issn1001-053x.2004.05.011 |
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| 作者姓名： | 李福燊 杨媚 吴卫江 李丽芬 |
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| 作者单位： | 1.北京科技大学材料科学与工程学院, 北京 100083 |
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| 基金项目： | 国家自然科学基金;高等学校博士学科点专项科研基金 |
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| 摘 要： | 采用简单工艺,制备出以8%Y2O3(摩尔分数)稳定的ZrO2为固体电解质,La0.8Sr0.2CoO3混合导体材料为扩散障碍层的极限电流型氧传感器.该传感器能够很好地给出全范围空燃比的极限电流平台,与小孔或多孔极限电流型传感器相比,具有结构简单、响应快、工作可靠、成本低廉等优点.
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| 关 键 词： | 固体电解质 La1-xSrxCoO3 氧传感器 极限电流 致密扩散障碍层 |
| 收稿时间： | 2003-12-15 |
Limiting Current oxygen sensors with LSCo a Dense Diffusion Barrier |
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| LI Fushen, YANG Mei, WU Weijiang, LI Lifen. Limiting Current oxygen sensors with LSCo a Dense Diffusion Barrier[J]. Chinese Journal of Engineering, 2004, 26(5): 495-497. DOI: 10.13374/j.issn1001-053x.2004.05.011 |
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| Authors: | LI Fushen YANG Mei WU Weijiang LI Lifen |
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| Affiliation: | 1.Materials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China |
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| Abstract: | Limiting current oxygen sensors with LSCo as dense diffusion barrier and Yttria (8% in molar fraction) Stabilized Zirconia (YSZ) as oxygen ion conduction solid electrolytes was developed through an effective technology. This type of sensor can get stable current plateau in whole range of air-fuel ratio. Compared with existing limiting current oxygen sensors, it has a simpler design, a faster response and lower cost, thus has a good application. |
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| Keywords: | solid electrolyte La1-xSrxCoO3 oxygen sensor limiting current dense diffusion barrier |
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