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1、Pt基核壳结构质子交换膜燃料电池氧还原催化剂研究进展_李治应网络出版时间:2016-07-1316:57:59网络出版地址:http://www.cnki.net/kcms/detail/11.2111.TF.20160713.1657.014.htmlPt基核壳结构质子交换膜燃料电池氧还原催化剂研究进展李治应a,b,曾蓉a,b*,蒋利军a,b(a.北京有色金属研究总院能源材料与技术研究所,北京100088b.北京市有色金属新能源基础制品工程技术研究中心,北京100088)摘要:质子交换膜燃料电池在电动汽车动力电源上有广泛的应用前景,其电催化剂的主要
2、成分是Pt,Pt昂贵的价格限制了质子交换膜燃料电池的商业化应用。Pt与3dPt催化剂的催Pt合金催化剂的稳定尚需提高。Pt基催化剂的Pt利用率、Pt基核壳结构Pt壳层厚度、核各种结构的PtPt了催化剂的催化活性和稳定性。关键词:催化活性和稳定性中图分类号:TQ426ShellCatalystforProtonExchangeMembraneFuelCellLiZhiyinga,b,ZengRonga,b*,JiangLijuna,b(a.DepartmentofEnergyMaterialsandTechnology,GeneralResearchI
3、nstituteforNon-ferrousMetals,Beijing100088,China;b.BeijingEngineeringResearchCenterofNon-ferrousMetalProductsforNewEnergy,Beijing,China)Abstract:Protonexchangemembranefuelcellhasgoodprospectsforautomotiveapplications.ThemaincomponentofitselectrocatalystsisPt,andthehighcostofPth
4、aslimitedthecommercialapplicationsofprotonexchangemembranefuelcells(PEMFCs).Ptalloyedwiththe3dtransitionmetalsaremoreactivefortheoxygen收稿日期:2016-03-07;修订日期:2016-04-25基金项目:国家科技部院所基金项目(2013EG11500)资助,北京市有色金属研究总院院创新基金项目(52218)资助作者简介:李治应(1990-),男,新疆奎屯人,硕士研究生;研究方向:燃料电池氧还原催化剂,E-mail:
5、lizyo313@163.com通信作者:曾蓉,高级工程师,电话:010-82241380,E-mail:zr_zengrong@163.comreductionreaction(ORR)comparedtopurePtcatalysts,buttheactive3dtransitionmetalsarepronetobedissolvedbyelectrochemicaloracidtreatment,whichleadstotheperformancedegradationofPEMFCs.ThestabilityofPtalloycatalys
6、tsneedstobeimprovedfurther.AsthestructureandcompositionofPt-basedcore-shellcatalystcanbetunedtoimprovethePtutilizationandstability,itisonekindofthehighlightedcatalystsfortheprotonexchangemembranefuelcells.Inthispaper,recentprogressinthesyntheticmethod,structuredesignandcharacte
7、rization,catalyticactivityandstabilityofPtbasedcore-shellcatalystsbasedoncompositionofthecatalystwasreviewed.Ptbasedcatalystswithvariousstructurescouldbepreparedbycontrollingthenanoscalestructureandcompositionofthecatalyst,includingPtshellthickness,compositionofthecoreandshell,
8、particlesize,andparticleshape.Thesedifferentstructures