Pt-Co secondary solid solution nanocrystals supported on carbon as next-generation catalysts for the oxygen reduction reaction

被引：33
|
作者：
Zhao, Yige [1 ]
Liu, Jingjun [1 ]
Zhao, Yanhui [1 ]
Wang, Feng [1 ]
Song, Ye [1 ]
机构：
[1] Beijing Univ Chem Technol, Beijing Key Lab Electrochem Proc & Technol Mat, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China
来源：
JOURNAL OF MATERIALS CHEMISTRY A | 2015年 / 3卷 / 40期
关键词：
FUEL-CELLS; ALLOY NANOPARTICLES; TRANSITION-METALS; ELECTROCATALYSTS; SURFACES; SHELL; PLATINUM; CU; INTERMETALLICS; ENHANCEMENT;
D O I：
10.1039/c5ta05888k
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A novel class of Pt-Co secondary solid solution catalysts with long-range ordered intermetallic CoPt3 as the solvent and Co as the solute for the oxygen reduction reaction (ORR) is proposed. The catalysts exhibit a volcano-type dependence on Co solid solubility in ORR activity and the optimum catalyst with 10% Co solid solubility shows remarkably enhanced catalytic activity and durability, which can be ascribed to the unique electronic structure of secondary solid solution catalysts.
引用
收藏
页码：20086 / 20091
页数：6
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