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《质子交换膜燃料电池(pemfcs)论文：制备条件对co-ppy-tsoh-c作为氧还原催化剂性能的影响》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、质子交换膜燃料电池(PEMFCs)论文：制备条件对Co-PPy-TsOH/C作为氧还原催化剂性能的影响【中文摘要】阴极氧【英文摘要】Oxygenreductionreaction(ORR)onthecathodeofprotonexchangemembranefuelcells(PEMFCs)isoneofthemainperformancedeterminingsteps.So,novelcathodeelectro-catalystswithhighcatalyticactivityandexcellentdurabilityarebadlyi
2、nneed.Duetohighcostandlimitedresourcesofnoblemetalcatalysts,suchasPtcatalyst,non-noblemetalcatalystsattractedmuchattentioninrecentyears.Asakindofnovelnon-noblecatalysts,Co-PPy-TsOH/CexhibitsexcellentcatalyticactivityanddurabilitytowardsORRandhavereceivedgreatinterest.Thispaper
3、systematicallystudiedtheeffectofpreparationconditionsonelectrocatalyticperformanceofCo-PPy-TsOH/C,includingColoadingandoxidantspecies.Theeffectsofthemhavebeencomparativelyinvestigatedbyelectrochemicaltechniques,suchascyclicvoltammetry(CV),rotatingdiskelectrode(RDE)andsinglecel
4、ltest.Then,variousphysicochemicalanalysismethods,suchasinfraredspectroscopy(IR),Ramanspectra(Raman),X-raydiffraction(XRD),transmissionelectronmicroscopy(TEM),X-rayphotoelectronspectroscopy(XPS),andX-rayabsorptionfinestucture(XAFS)havebeenemployedtounderstandtheresults.Itwasfou
5、ndthatCo-PPy-TsOH/Ccatalystpreparedwith2wt%ColoadingandferricchlorideasoxidantshowedthebestORRactivity:thepeakpotentialforORRis0.698Vand0.686V,theelectrontransfernumberis3.90and3.84andthemaximalpowerdensityis150mW/cm2and200mW/cm2,respectively.【关键词】质子交换膜燃料电池(PEMFCs)氧还原反应(ORR)Co
6、-PPy-TsOH/C钴载量氧化剂【备注】在线加我索购全文：278/123/888同时提供论文发表委托服务和一对一论文写作指导。【英文关键词】Protonexchangemembranefuelcells(PEMFCs)Oxygenreductionreactoin(ORR)Co-PPy-TsOH/CCobaltloadingOxidant【目录】制备条件对Co-PPy-TsOH/C作为氧还原催化剂性能的影响摘要5-6Abstract6第1章绪论10-251.1引言101.2燃料电池综述10-121.2.1燃料电池的工作原理10-111.2.2燃料
7、电池的特点111.2.3燃料电池的分类11-121.3质子交换膜燃料电池综述12-161.3.1质子交换膜燃料电池的结构及工作原理12-141.3.2氧还原反应机理14-161.4PEMFC阴极催化剂的研究现状16-191.4.1铂及铂合金16-171.4.2过渡金属大环化合物17-181.4.3过渡金属硫族化合物181.4.4过渡金属导电聚合物18-191.4.5过渡金属氮化物、碳化物191.5聚吡咯类氧还原催化剂概述19-231.5.1聚吡咯的结构特征及性质19-211.5.2聚吡咯类燃料电池阴极催化剂研究进展21-231.6选题目的及意义23
8、-241.7项目支持24-25第2章Co载量对Co-PPy-TsOH/C催化剂性能的影响25-432.1前言252.2实验
