Pt/Pd Decorate MOFs Derived Co-N-C Materials as High-Performance Catalysts for Oxygen Reduction Reaction

被引：13

作者：

Jiang, Yuhang ^{[1
]}

Zhu, Dejing ^{[1
]}

Zhao, Xiangchuan ^{[1
]}

Chu, Zhaoyun ^{[1
]}

Zhang, Liping ^{[1
]}

Cao, Yue ^{[1
]}

Si, Weimeng ^{[1
]}

机构：

[1] Shandong Univ Technol, Sch Mat Sci & Engn, Zibo 255000, Peoples R China

来源：

CATALYSTS | 2022年 / 12卷 / 05期

基金：

中国国家自然科学基金;

关键词：

oxygen reduction reaction; PtPd nanoparticles; ZIF-67; Co-N-C; METAL-FREE ELECTROCATALYSTS; EFFICIENT TRANSITION-METAL; DOPED CARBON NANOSHEETS; PTCO NANOPARTICLES; POROUS CARBON; FUEL-CELL; NITROGEN; DURABILITY; ORR; TOLERANCE;

D O I：

10.3390/catal12050482

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：

We report here, a strategy to prepare Pt/Pd nanoparticles decorated with Co-N-C materials, where Co-N-C was obtained via pyrolysis of ZIF-67 directly. As-prepared Pt/Pd/Co-N-C catalysts showed excellent ORR performance, offered with a higher limit current density (6.6 mA cm(-2)) and similar half-wave potential positive (E-1/2 = 0.84 V) compared with commercial Pt/C. In addition to an ORR activity, it also exhibits robust durability. The current density of Pt/Pd/Co-N-C decreased by only 9% after adding methanol, and a 10% current density loss was obtained after continuous testing at 36,000 s.

引用

页数：11

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