庞大的汽车氧传感器市场、严格的汽车尾气排放法规和国内相关技术的欠缺,使得研究和开发具有自主产权的、性能好、可靠性高的氧传感器产品显得尤为迫切和重要。目前,平板式ZrO2汽车氧传感器由于具有尺寸小、响应快、能耗低、易集成、在恶劣环境下工作稳定等优点,而成为汽车尾气控制的主流氧传感器。Structure,Principle and Study Status of Planar Zirconia Automotive Oxygen Sensors REN Ji-wen1,2,ZHANG Hong-hai1,LIU Sheng1,3,WANG Jing-dao1 (1.Institute of Microsystems,Huazhong University of Science and Technology,Wuhan 430074,China;2.School of Electromechanical Engineering,East China Jiaotong University,Nanchang 330013,China;3.Mechanical Engineering Department,Wayne State University,Detroit MI 48202,USA) Abstract:Increasing automobile market,stringent emission regulations and the status of relying on import make it imminent developing perfect and reliable automobile oxygen sensors with independent property right.At present,for small size,fast light off,low power,easy to integrate and operating stability in the rough environment,planar zirconia automotive oxygen sensors is the dominating products in the market.Introduced its structure,principle,study status in home and abroad and developing trend. Key words:planar oxygen sensor; zirconia; potentiometric oxygen sensor; limiting current oxygen sensor; dual cell oxygen sensor 介绍了该传感器的结构、原理、国内外发展研究进展及发展趋势。