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用La2MoWO9作固体电解质的极限电流型氧传感器
  • ISSN号：1001-2028
  • 期刊名称：《电子元件与材料》
  • 时间：0
  • 分类：TP212.2[自动化与计算机技术—控制科学与工程;自动化与计算机技术—检测技术与自动化装置]
  • 作者机构：[1]武汉工业学院数理科学系,湖北武汉430023, [2]中国科学院固体物理研究所材料物理重点实验室,安徽合肥230031
  • 相关基金：基金项目：国家自然科学基金资助项目（No.50672100）
作者： 李丹[1], 李相虎[1], 方前锋[2]
关键词： 氧传感器, 固体电解质, 极限电流, 氧分压, oxygen sensors, solid electrolyte, limiting current, oxygen partial pressure
中文摘要：

采用固相反应法，制备了氧离子导体La2MoWO9和混合导体La0.6Sr0.4Fe0.8Co0.2O3，并分别作为基体材料，制成了极限电流型氧传感器。利用两端子法，对氧传感器在500℃时不同氧分压下（PO2为（0～2．12）×10^4Pa）电流与电压的关系进行了测量。结果表明：用La2MoWO9作为氧传感器的固体电解质材料是可行的，即可以得到极限电流平台（PO2为1．70×10^4Pa，1为1．5mA），且极限电流与氧分压戍线性关系。

英文摘要：

The oxygen ion conductor La2MoWO9 and mixed conductor La0.6Sr0.4Fe0.8Co0.2O3 were prepared through solid phase reaction method. The limiting current type oxygen sensor was fabricated using them respectively as matrix materials. The relationship between the current and the voltage at different oxygen partial pressure （PO2 = （0-2.12）× 10^4 Pa） was measured at 500 ℃ using the standard two-probe method. The results indicate： it is feasible that the oxygen ion conductor La2MoWO9 is used as solid electrolytes of the limiting current oxygen sensors, that is, the limiting current （PO2= 1.70×10^4pa, I = 1.5 mA） can be achieved, and the relationship between the limiting current and the oxygen partial pressure is linear.

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期刊信息
  • 《电子元件与材料》
  • 北大核心期刊（2011版）
  • 主管单位:中华人民共和国工业和信息化部
  • 主办单位:中国电子学会　中国电子元件行业协会　国营第715厂（成都宏明电子股份有限公司）
  • 主编：陈 丰
  • 地址：成都市一环路东二段8号宏明商厦702室
  • 邮编：610051
  • 邮箱：journalecm@163.com
  • 电话：028-84391569
  • 国际标准刊号：ISSN：1001-2028
  • 国内统一刊号：ISSN：51-1241/TN
  • 邮发代号:62-36
  • 获奖情况:
  • 第二届全国优秀期刊评比二等奖，第二届国家期刊奖...
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  • 被引量:8585