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

页码：20086 / 20091

页数：6

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