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[½»Á÷] Show OffÒ»ÏÂÎÒÃǸÕÔÚNature MaterialsÉÏ·¢±íµÄÎÄÕ ÒÑÓÐ45È˲ÎÓë

Structurally ordered intermetallic platinum¨Ccobalt core¨Cshell nanoparticles with enhanced activity and stability as oxygen reduction electrocatalysts

Deli Wang*, Huolin L. Xin* (*¹²Í¬Ò»×÷), Robert Hovden, Hongsen Wang, Yingchao Yu, David A. Muller, Francis J. DiSalvo & H¨¦ctor D. Abruña
Published online: 28 October 2012 | doi:10.1038/nmat3458

Enhancing and optimizing the performance and durability of nanocatalysts for the oxygen reduction reaction is crucial for fuel-cell applications. A class of Pt¨CCo nanocatalysts consisting of ordered Pt3Co intermetallic cores with a 2¨C3 atomic-layer-thick platinum shell now exhibit a large increase in mass activity and specific activity when compared with disordered alloy nanoparticles.





[ Last edited by junkpengli on 2012-11-16 at 17:09 ]
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