车用陶瓷气体传感器性能影响因素探究

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中图分类号：U465.3 文献标志码：A DOI： 10.19822/j.cnki.1671-6329.20250090

【欢迎引用】，，，等.车用陶瓷气体传感器性能影响因素探究[J].汽车文摘，2026（2）：52-56. 【Cite thispaper】Q1D，DONGHMGAOHY，etal.ExplorationofFactorsAfectingthePerformanceofAutomotiveCeramicGas Sensors[J]. Automotive Digest （Chinese），2026（2）： 52-56.

Exploration of Factors Affecting the Performance of Automotive Ceramic Gas Sensors

QiDan，DongHaomin，Gao Hongyu，Wang Peixi，WangJinxing，ShangAnqi，Cong Xin ate KeyLaboratoryof Advanced Vehicle Integrationand Control，ChinaFAWCorporation Limited，Changchun13001

【Abstract】To clarify the regulatory mechanism of temperatureon the performance of narow-range oxygen sensors， thispapertakesthethicknessofthehaterresistorastheregulatorycarier，systematicallyinvestigatesitsinfluenceonthe operatinginternalesistanceandoperating temperatureof thesensor，andexplores thecorrelationcharacteristicsbetween temperature and performance bycombining EDS，ICPcompositionanalysis and performance tests such as responsetimeand outputvoltage.Theresultsshowthat thereisapositivecorelationbetweenthe thickness ofthe heaterresistorand the operating internalresistanceofthesensor;astheresistorthickness increases，theoperating internalresistancegradually decreases，which inturncauses theoperating temperatureofthesensor torise.Elevated operating temperatureisthecore inducement leading totheperformancedegradationofnarrow-range oxygen sensors.Onthecontrary，reducing thethickness of theheaterresistorcanoptimizethesensorperformance，whichisspecificallmanifestedinthesignificantimprovementof therich-burn voltageoutputandtheobviousshortening of theresponse timeunder rich-leancombustionand lean-rich combustion conditions.

KeyWords：Gas sensors，Ceramics，Preparation technology，Sensorperformance

0引言

随着汽车工业的发展和汽车保有量持续增加，汽车尾气对大气环境造成的污染日益凸显。（剩余4693字）