目录中文摘要.....................................................1Abstract......................................................2第一章绪论..................................................31.1引言...................................................31.2碱性阴离子交换膜燃料电池(AEMFCs).....................3第二章实验部分..............................................52.1实验材料及实验仪器....................................52.1.1实验材料............................................52.1.2实验仪器.........................................52.2实验部分..............................................62.2.1合成小分子离子液体...............................62.2.2合成阳离子聚合物.................................92.2.3制备碱性阴离子交换膜............................112.3表征及测试方法.......................................132.3.1吸水率以及溶胀度................................132.3.2离子交换能力....................................142.3.3热重量分析(TGA)和机械性能测试...................142.3.4氢氧根传导率....................................142.3.5碱溶液中的化学稳定性............................15第三章结果与讨论...........................................153.1小分子耐碱测试......................................153.2离子交换膜的基本表征.................................183.2.1离子交换膜的外观................................183.2.2扫描电子显微镜图像(SEM).........................183.3IEC、吸水率以及溶胀率................................193.4热重量分析(TGA)和机械性能测试........................203.5碱性阴离子交换膜的电导率.............................21第四章结论.................................................22参考文献....................................................23致谢........................................................26中文摘要本文主要研究基于联吡啶类阳离子聚合物的碱性阴离子交换膜的制备与表征。我们合成了一系列不同碳链长度的吡啶类小分子离子液体，并通过核磁共振氢谱来对其结构进行表征同时探究小分子在碱溶液中的稳定性，根据耐碱性测试结果来合成对应碳链长度的联吡啶类阳离子聚合物并对其结构进行表征。通过联吡啶类阳离子聚合物与聚偏氟乙烯(PVDF)共混后浇筑成膜(AEMs)。通过SEM，TGA及拉伸测试仪等仪器对AEMs的形貌和性能进行了表征。结果发现，聚(癸基二溴化紫精)([PDV][Br])与PVDF共混后的阴离子交换膜在80℃时电导率为64mS*cm-1，热稳定性能良好，具有较好的吸水率且溶胀率较低，有应用在燃料电池上的前景。关键词燃料电池，阴离子交换膜，化学稳定性，电导率AbstractThepreparationandcharacterizationofalkalineanionexchangemembranesbasedonbipyridine-likecationicpolymersarestudiedinthispaper.Wesynthesizedaseriesofsmallmoleculepyridineionicliquidswithdifferentcarbonchainlengths,thestructurewascharacterizedbyNMRhydrogenspectraandthestabilityofsmallmoleculeinalkalisolutionwasstudied,andtheresultsofalkaliresistancetestwereusedtosynthesizebipyridinecationicpolymerscorrespondingtocarbonchainlengthsandtocharacterizetheirstructures.Thecrosslinkedbipyridinecationicpolymersweremixedwithpolyvinylidenefluoride(PVDF)toformafilm(AEMs).ThemorphologyandpropertiesofAEMswerecharacterizedbySEM,TGAandmechanicalpropertiestest.ItturnsoutthatPoly(decylviologen)bromide([PDV][Br])andPVDFcompositemembraneshowsthehydroxideconductivityis64mS*cm-1at80,themembranehasgoodthermalstability,℃goodwateruptakeandswellingislow,thereistheprospectofapplicationinfuelcell.KeywordsFuelcell,anionexchangemembrane,chemicalstability,conductivity第一章绪论1.1引言由于...
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