毕业论文题目：丝网印刷工艺对掺杂氧化铈基极限电流型氧传感器的性能影响学生姓名：学号：专业：班级：无机一班指导教师：PAGE\*MERGEFORMATV丝网印刷工艺对掺杂氧化铈基极限电流型氧传感器的性能影响摘要随着我国经济实力的快速增长，伴随产生的环境、资源、社会伦理道德等问题也日益突出。为了达成可持续发展的愿景。我们课题组所研究的氧传感器恰好响应了国家的号召。当然也具有较好的前景。本篇论文使用LaNi0.6Fe0.4O3（LNF）和La1-xSrxCo1-yFeyO3（LSCF）固体电子-离子混合导体材料作为氧传感器的致密扩散障碍层材料，通过丝网印刷工艺刷制不同层数的阴极在SDC基片上以制备了不同厚度的致密扩散障碍层极限电流型氧传感器。制备固体电解质材料Ce0.8Sm0.2O1.9（SDC），文中采用溶胶凝胶法来制备,对制备出的粉体应用X射线衍射分析仪（XRD）对该粉体进行了物相分析，同时通过阅读文献制定和优化了烧结制度来制备SDC陶瓷片。采用溶胶凝胶法制备了致密扩散障碍层粉体LNF和LSCF，应用X射线衍射分析仪（XRD）对粉体物相进行了表征。并且在查阅相关文献的条件下，制备出LaNi0.6Fe0.4O3（LNF）和La1-xSrxCo1-yFeyO3（LSCF）为阴极障碍层的致密扩散粉体。将烧结好的SDC陶瓷片，用砂纸打磨粗糙后，再用松油醇研磨的LNF或LSCF浆料涂刷在SDC陶瓷片上，再进行烧结即可。尔后利用扫描电子显微（SEM）、电化学工作站对其进行断面结构分析和电化学性能分析关键词：氧传感器；极限电流；SDC；致密扩散障碍层；LNF;LSCFSilkscreenprintingprocessfordopedceriumoxidebaseoflimitingcurrenttypeoxygensensordeviceperformanceimpactAbstractWiththerapidgrowthofChina’seconomy,theconstantimprovementofthecomprehensivenationalpowerandourcountryintheworld’ssuperpowerstatus.Atpresent,theresearchstudiedtheoxygensensorjustrespondedtothecallofthestate.thedenseoxygendiffusionbarrierlayeroflimitingcurrenttypeoxygensensorhashighersensitivityandwidermeasurementrange,theresponsespeedisfasterandbetterstabilitythanbefore.Inthepaper,thesolidelectron-ionmixconductormaterialLaNi0.6Fe0.4O3（LNF）andLa1-xSrxCo1-yFeyO3（LSCF）isusedasmaterialsofdensediffusionbarrierofsensorsandthedensediffusionbarrierlimitingcurrentoxygensensorwasdevelopedsuccessfullythroughthetechnologyofPtliquidagglutination,andoxygensensitivityistestedbylimitingcurrentoxygensensortestingequipment.ThesolidelectrolytematerialCe0.8Sm0.2O1.9(SDC)ispreparedbysol-gelmethod.X-raypowderdiffraction(XRD),scanningelectronmicroscope(SEM)wereappliedtocharacterizethecompositionsandmorphologiesofthepowder.Thesinteringshrinkageandsintereddensityarestudied.TheSDCsolidelectrolyteceramicmaterialhasbeenprepared.ThedensediffusionbarriermaterialLSCFandLNFispreparedbysol-gelmethod.ThecompositionsandmorphologiesofthepowderarecharacterizedbyX-raypowderdiffr