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

被引：12
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.
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页数：11
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