直接甲醇燃料電池陰極碳載鈀基催化劑的研究.pdf

1、東北師范大學碩士學位論文直接甲醇燃料電池陰極碳載鈀基催化劑的研究姓名：成利豐申請學位級別：碩士專業(yè)：分析化學指導教師：朱連德徐國寶20080501AbstractPlatin啪hasbeenwidelyusedasthecatalyst?！眛heoxygenreductionreaCtion(OI汛)indirectmethallol舭l(fā)cells(DMFC)，butitshi曲price觚dpoormethaIloltole啪ceab

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4、ofmedisse似ionareasfollows：1)APdP／Cca_talyStwaSSyntlleSizedbyt11esodi啪hypophos螄tereduCtionmethoda11de)(1libited11i曲elec們ca協(xié)l舛cactiV竹for恤ORRTlleonsetpotentialaIldt11ehalf二wavepotentialfortheORRat婦PdP／Ccatalystelec仃0deare5嘶

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6、恤hi曲elec的cataJyticaCtiV時oft11ePdP／CcatalyStc孤be撇ibutedt0Ⅱ1esmallerPdpaniclesize，t11elo、張rreIativecr)rstalliIlity，andthefoma：tionoftllePdPalloyThemethodofaddingnometalt0mePdcatalystc孤notonlyimpr0Ve吐leelectrocatalyticactiV

7、itybutalsoaVoidtllemetalledkingtothe蛐ror培acidelectrolyteunderelectrochemicaloxidatiVecoIlditions2)APdSn／CcatalySt咖s弘【血esizedbyt11econVentionalimpregIlationmethodandeXhibitedhi曲erelectrocatalyticactiV毋th孤Pd／Ccatalystforme

8、ORRTllephysicocheIIlical觚delectrochemicalcharacteri2ationof此PdSⅣCcatalystshowedthat恤lligllerelectrocatal如cactiV毋ofmePdS彬CcaJtalyStcaIlbea位ributedto舭f0珊ationofPdSna110y：tlleadditionofSnresultsinlowerrelatiVec巧stallin時oft1

9、1ecatalyst；0nthe0t]berl聊1d，t11edba芏1dcenterofPdonnlesurfaceShiftstoalowerenergypositionmodifiedbySnTllisworknlnllerconfimed也esi鰣ficallceofthetheo巧onElec仃0nics咖cn鵬indesigIlingbetterc刪ystsKeywords：DMFC；ORR；Elecnocatalyze；P