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(xué)碩士學(xué)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(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：分析化學(xué)指導(dǎo)教師：朱連德徐國(guó)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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3、ll鋤oltoler觚tHoweVer，itscatalyticactivi鑼StiUneedst0be如rtherimproVedIn吐lisdissertation，tllecatal礦icactiVityofPdwaSimprovedbyadditionofnonmetalphosphoms砒ldmetaltin，mahngthempromisingaltemativematerialsfortheORRT11emainworks

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5、V鋤d85mVmorepositivethaIl吐10seatthePd／CcatalysteleC仃ode111elilIlitingcune】毗dens塒at齜PdP／CcatalyStelec仃0decomesupto血eleVelofmeconHnercialPt／C111ephysicochemical趾delec仃ocheIIlicalcharacteriZationofⅡlePdP／CcatalyStshowedt11at

6、恤hi曲elec的cataJyticaCtiV時(shí)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(shí)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