Is Pt/C More Electrocatalytic than Ru/C for Hydrogen Evolution in Alkaline Electrolytes?

被引：25
|
作者：
Shao, Ru-Yang [1 ]
Chen, Lin-Wei [1 ]
Yan, Qiang-Qiang [1 ]
Zeng, Wei-Jie [1 ]
Yin, Peng [1 ]
Liang, Hai-Wei [1 ]
机构：
[1] Univ Sci & Technol China, Dept Chem, Div Nanomat & Chem, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China
来源：
ACS APPLIED ENERGY MATERIALS | 2021年 / 4卷 / 05期
基金：
中国国家自然科学基金;
关键词：
ruthenium; benchmark catalyst; hydrogen evolution; catalyst; Pt/C; OXIDATION; PLATINUM; PH; ACID; NANOPARTICLES; CATALYSTS; MECHANISM; HOR/HER;
D O I：
10.1021/acsaem.1c00308
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：
It has been widely accepted that Pt is more electrocatalytic than Ru for alkaline hydrogen evolution reactions (HERs), probably on the basis of the previous studies on bulk metals. Herein, we report that, in strong contrast with the previously reported results on bulk metals, the nanoparticular Ru supported on carbon (Ru/C) exhibits much higher alkaline HER performance than Pt supported on carbon (Pt/C). We further demonstrate that both commercial and homemade Ru/C catalysts are even more active than most reported Ru-based materials. These results suggest that Ru/C should be used as benchmark material instead of Pt/C for evaluating the alkaline HER performance of catalysts.
引用
收藏
页码：4284 / 4289
页数：6
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