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    (1.ѧ뻯ѧѧԺ110159;2.ʡִԴ̼о110159)
    ժҪȼϵƶʽԴõĵ߻ҪΪPt״߻״߻ڵڲеȶԡ˥ӳȼϵصʹͽԼɱʮҪ塣Ĵ˽ڵȼϵ״߻ȶоչȣͨЧӦʵִ߻ȶ̼ʯī̼IJӡ湦ܻIJõȡΣͨռЧӦʵִ߻ȶ߻ӱ渲ǡ߻΢Ƕ롢߻ӶᵥװۺʿռȡΣͨЭͬЧӦʵִ߻ȶӵλǿּ໥õȡ󣬶Եȼϵ״߻ȶķչǰչ
    ؼʣȼϵ ߻  ȶ
    ͼ:O643.3;TM911.4ױʶ:A±:1005-281X(2012)02/3-0246-07
    1
    ȼϵܶȸߡºͼЯŵ㣬ǵĹ㷺עȡ˳Ľչ14ݡȼϵذΪȼϵľۺĤȼϵ(PEMFC)лСΪȼϵֱӴȼϵ(DAFC)ȡȼϵص¶һ㲻100棬õĵ߻ҪΪPt״߻57ݡȼϵؼijͲҵٽصȶԺʹΪעĽ㡣߻ӵıܽϸߣоۼɴƣʹ½ʽ͡ңȼϵڲĹʮֿ̣ɴ߻ӵܽ8ݣܽڸߵλλ±ֵΪ911ݡ
    ʵسк󣬴߻ӻᷢۼǨƺʧɴ߻òɵĸı䣬ʹ߻Խͣ1217ݡ߻Ե˥ӰȼϵȶԺʹҪء
    Ϊƴ߻ӵʧӳ߻ʹоͨ̽״߻ȼϵعµʧԵؿչߵ߻ȶԵоȡĽչĴЧӦռЧӦЭͬЧӦ֣ϵͳܽ˽ڵȼϵ״߻ȶоɹ
    2ȶЧӦ
    ѡ͸Զ߹״߻ȶԾҪ塣ȣĸ߱ȱͶ׽ṹƴ߻ӵľۼȶĴ߻;Σ߻֮໥ÿԹ̶߻ӣ𵽡êϡ;ضռṹ͹Żƴ߻ӵǨơ
    2.1̼ʯī
    ̿Ϊ̼õĵԡϸߵıȱͽǿ͸ʴԣ㷺õȼϵش߻塣ˣȼϵڲ̵Ĺ£̼Ҳᷢʴ׽ṹܵƻȱСʹ߻Ӵ䲢ۼ߻ĻԽͣ1822ݡһо֣Ptȹ̼ĸʴд߻ã2324ݡˣǿ͸ʴߴ߻ȶԵһЧ;2090̼׹̼ܵϵĵȼϵش߻˸ѡShaoȣ2526ݵо̼׹ܵĵ绯ѧȶԶXC-72̿ڡ̼׹ɾʯī㹹ɵһְյĽṹֽṹʹ̼ԭֵĹ
    Ҳо֤ʵ2728ݡWangȣ29ͨAr2 800ĸ´õ߶ʯī̼׹(HG-MWCNT)ʹPt߻ĵ绯ѧȶԵõһߡStevensȣ30ݹ۲쵽3 000ʯīBP2000̿ڵıȱɡ1 300 m2g1270 m2g1ȶԺ͵绯ѧȶԾõЧZhangȣ31ݽʯīĥõƽ0.20.3mʯī΢ӣ̿Ϊ߻壬˴߻;ԡ
    ڲ׽ṹ为ءɢеĹϵLiuȣ32SBA-15׷ɸΪģ壬ϳɳ̼ײϡԴΪƵõĴ߻PtRu-CMMгɫĵ绯ѧȶ(ͼ1)Natarajanȣ33ԻѧƵñȱΪ352.6m2g1̼׽ṹϡֲϾнϸߵʯī̶Ⱥ͹ĽṹԴΪƵõĴ߻绯ѧȶԸXC-72̿ΪƵõĴ߻
              
    2.2̼IJ
    ̼״߻ӵĹ̶֮໥йء̼ͨӿǿ໥ãӶߴ߻ȶԡChenȣ34ݽеļϻ(ADT)δӴ߻Pt/CNTsȣ̼׹ܸصĴ߻Pt/N-CNTsܹЧƴ߻ӵľۼ(ͼ2)Yueȣ35ݵоҲ̼׹еĵԭǿPt໥áKunduȣ36ͨڸCo߻ϻѧƵú̼׹ܣ֤ऻŶԴ߻ԺȶдٽáAcharyaȣ37Ʊ̼帺صPt߻IJӴٽPt̼ĵתƣǿ˽-໥ãͬʱ̼ĸʴ
              
    2.3̼ı湦ܻ
    ѧ̼γȱݺ͹ţ״߻ӵܽ;ۼӰ졣ȷֲȱ״߻ӵķɢۼ38ݡԻѧ崦ֶο̼ţ3941ݡЩſ븺ص״߻ӷѧãij̶ֳϲêϡЧֹȶЧӦҪ»ռλ輰ųõ;ѧܰλ42ݡ43ݵȡKimȣ44ݶԶ̼׹ܽ򴼻ƱPt/MWNT߻Ʊ̷:ȣڱ򴼻ϵPtǰγɾ;Ȼ󣬾ΪPtӣõ߶ȷɢPt/MWNT߻(ͼ3)򴼻ŵλЧӦǿ˽Ľϣʹ߻ȶԵõơ
                   
    2.4IJ
    ̼⣬IJҲȼϵش߻塣Huangȣ45ݲģ巨Ʊ˽TiO2ϣϳɳPt/TiO2߻Pt/TiO2߻ĴСƵüĴ߻(3m)߻ԽӽPt/C绯ѧȶԶںߡȶԴTiO2֮໥ԼTiO2͸ʴԡΪĵԣںУоСͨNbӣƱԺ͵绯ѧȶԾѵĽʯNbxTi(1x)O2壬ʹ߻ܵõһĽ46ݡWC47ݡWO483SbSnO249ԼCNT@SnO2˿ǽṹϣ50ݵҲ߻壬ڲ̶ͬ˴߻ĵ绯ѧȶԡĿǰЩȼϵش߻廹̽׶Σֽ׶Ҫ˴߻ĵ绯ѧȶԣ½չҪ:(1)ıȱ(2)ʵֽӵĸ߷ɢȡŵۺϵѸٷչ51ݡԣ52ݵȸ߷ӲҲȼϵش߻塣ർۺϵĵ绯ѧȶԽϸߣſռṹĸƺͷɢֶεƣõӹ㷺Ӧá
    3ռȶЧӦ
    ״߻ӵľۼܽǨҪڴ߻ı棬˿Խ߻Ŀռ谭öγɱ渲һֱ߻ӵĿֶΣҪעǣƱıͬʱ߱:(1)ʵֶԴ߻ӵľȡȫ渲;(2)Ӱ缫ӦĴʡTakenakaȣ5354ͨˮ3-(APTES)(TEOS)գPt/CNTγɶ踲Dz㣬Լ14nm׾2 nmʵSiO2/Pt/CNT߻ЧPtӵߴ߻ĵ绯ѧȶ(ͼ4);ͬʱSiO2Ķ׽ṹȷ˵缫ӦĴ˳ʹ߻ĸ߻Եά֡Shimazakiȣ5556衢żPtRuӱγɱ㣬Чظ״߻ĵ绯ѧȶԡ
              
    渲⣬ǻЧ߻ڶײڲǨƺ;ۼǶ뷨Ngȣ57Ʊ˿PtսĸȶԴ߻ѹ߻ϳPt-C׸nPt@hC800´ͳȥѺγPtǶ΢̼ǵĿĽṹ(ͼ5)ֶصĽṹУPtӱΧĶ̼ʲָнǿս
              
    Ӷڱ״߻ӷжصãǿʹ߻ӱγװ㸲ǽṹӶЧƻֵǨƺʧGuoȣ5859ƱȶPtPtRu߻(ͼ6)KegginPMo12O340Ӿжصܣܹ̼ͽ棬γɴɵĵṹֵ㸲ʹ߻ӱγɽǿĸ糡侲ųÿЧطֹPtPtRuӵľۼ֮ƣMaiyalaganȣ60Ʊ˹ȶPtRu߻ıʹ״߻ȶԵõߡ
    ۺʾõӵԣռ谭״߻Ǩƺ;ۼͬʱֲӰ缫ӦĴʹ̡Chengȣ61ƱNafionRۺȶPt/C߻ϻʵNafion-Pt/C߻ĵ绯ѧȶΪƷPt/C߻3Zhangȣ62ƱһֶصľۺʱPt/C߻һֳۺʡ۶ϩװȻ(PDDA)ʵPt/C߻ȶ(ͼ7)PtPDDAľ໥PtλPtӵǨƺ;ۼӶ˵߻ȶԡʵPDDA-Pt/C߻Ļ˥ֻEtek-Pt/C߻Ķ֮һ
                
    4ЭͬȶЧӦ
    ڴ߻ЭͬÿЧƴ߻ֵܽʧZhangȣ63ݿAu΢Pt/C߻ЭͬãAu΢Pt(111)(ͼ8)AuPtλPt΢ܽʧԴΪƱAu/Pt/C߻ʾõĵ绯ѧȶԡLiangȣ64ݽAuPtRu߻RuAuĵתƸıRuĵӽṹRuλRuܽʧLiuȣ65ݽZrO2Pt/C߻ʵ֤ʵZrO2PtСêϡãսᡣTianȣ6667ݷֱPt/CPtRu/C߻ѣƵPtTiOx/CPtRuTiOx/C߻ѵĴڸ˹Ӻ໥ãȶá֮⣬Ϊߴ߻ȶԶĵӶ6869ݡ70ݵȡ
               
    5չ
    ŵȼϵؼIJϳƣȶԺʹܵע߻Ļ˥ӰȼϵʹҪأȼϵ״߻ĵ绯ѧȶҪΪˣоDzֵ̽߻׷ɢṹֹۼܽʧķоѾ֤ʵ״߻ȼϵڲµʧԵزȡʩɺͽṹƻЧߵ绯ѧȶԣӳʹڽоУΪ¼ĹƱȶԵ߻Ҫƶ:(1)ض΢ṹͿ׷ֲĹϣ߻ض΢ṹ;(2)ǿòƺͿռ䱣ãֹ߻ӵıǨ;(3)ּЭͬãǿ״߻Ե绯ѧĵͲϿƱĸ£ȼϵ״߻ȶԽõߣȼϵصIJҵٽ
    οף


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