Preparation and Characterization of Zireonia Oxygen Sensors

武汉理工大学学报-材料科学版(英文版), 2007, 22(4): 612-616.

^1, , ^2, , ^3, , ^4,

1.State Key Lab of Plastic Forming Simulation and Die & Mould Technology, Huazhong University of Science and Technology,Wuhan,430074, China;Hubei Refractories and High-temperature Ceramics Key Laboratory, Wuhan University of Science and Technology, Wuhan,430081,China

2.State Key Lab of Plastic Forming Simulation and Die & Mould Technology, Huazhong University of Science and Technology,Wuhan,430074, China

3.State Key Lab of Plastic Forming Simulation and Die & Mould Technology, Huazhong University of Science and Technology,Wuhan,430074, China

4.State Key Lab of Plastic Forming Simulation and Die & Mould Technology, Huazhong University of Science and Technology,Wuhan,430074, China

Preparation and Characterization of Zireonia Oxygen Sensors

LUO Zhian ^1, , XIAO Jianzhong ^2, , XIA Feng ^3, , YANG Yifan ^4,

1.State Key Lab of Plastic Forming Simulation and Die & Mould Technology, Huazhong University of Science and Technology,Wuhan,430074, China;Hubei Refractories and High-temperature Ceramics Key Laboratory, Wuhan University of Science and Technology, Wuhan,430081,China

2.State Key Lab of Plastic Forming Simulation and Die & Mould Technology, Huazhong University of Science and Technology,Wuhan,430074, China

3.State Key Lab of Plastic Forming Simulation and Die & Mould Technology, Huazhong University of Science and Technology,Wuhan,430074, China

4.State Key Lab of Plastic Forming Simulation and Die & Mould Technology, Huazhong University of Science and Technology,Wuhan,430074, China

Keywords： zirconia oxygen sensor

A thimble zirconia oxygen sensor was prepared with YSZ. The surfaces of the Pt electrode,electrolyte and their interface were observed with a scanning electron microscope (SEM).The sensor was examined with engine bench test to evaluate the essential performance. The basic function such as electromotive force output and response time was discussed. The oscillograph trace was also obtained and analyzed with four different frequencies. The experimental results reveal that the oxygen sensor has high performances meeting the demands of practical applications.

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