High-Performance Ru@C4N Electrocatalyst for Hydrogen Evolution Reaction in Both Acidic and Alkaline Solutions

被引：84
作者：
Sun, Shu-Wen [1 ,2 ]
Wang, Gao-Feng [2 ]
Zhou, Yue [1 ]
Wang, Feng-Bin [1 ]
Xia, Xing-Hua [1 ]
机构：
[1] Nanjing Univ, Sch Chem & Chem Engn, State Key Lab Analyt Chem Life Sci, Nanjing 210023, Jiangsu, Peoples R China
[2] Yuncheng Univ, Dept Appl Chem, Yuncheng 044000, Peoples R China
来源：
ACS APPLIED MATERIALS & INTERFACES | 2019年 / 11卷 / 21期
基金：
中国国家自然科学基金;
关键词：
hydrogen evolution reaction (HER); Ru@C4N; ruthenium nanoparticles; electrocatalyst; high performance; GRAPHENE; PLATINUM; CATALYSTS; EFFICIENT; NANOSHEETS; ELECTRON; OXYGEN;
D O I：
10.1021/acsami.9b04255
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We report a high-performance Ru@C4N electrocatalyst for the hydrogen evolution reaction (HER) in both acidic and alkaline solutions. This catalyst is synthesized by annealing a complex of a covalent organic framework compound coordinated with ruthenium synthesized by a "one pot" solvothermal method. This Ru@C4N catalyst shows excellent electrocatalytic activity toward the hydrogen evolution reaction (HER) in both acidic and alkaline solutions with very low overpotentials at 10 mA/cm(2) (6 mV in 0.5 M H2SO4 solution; 7 mV in 1.0 M KOH solution), which outperforms the commercial catalyst Pt/C. The Ru@C4N electrocatalyst also exhibits high HER turnover frequencies of 0.93 H-2 per s in 0.5 M H2SO4 and 0.65 H-2 per s in 1.0 M KOH solutions at 25 mV as well as superior performance stability.
引用
收藏
页码：19176 / 19182
页数：7
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