Carbide decorated carbon nanotube electrocatalyst for high-efficiency hydrogen evolution from seawater

被引：33
|
作者：
Zhao, Yuanyuan [1 ]
Tang, Qunwei [1 ]
He, Benlin [1 ]
Yang, Peizhi [2 ]
机构：
[1] Ocean Univ China, Inst Mat Sci & Engn, Qingdao 266100, Peoples R China
[2] Yunnan Normal Univ, Minist Educ, Key Lab Adv Tech & Preparat Renewable Energy Mat, Kunming 650500, Peoples R China
来源：
RSC ADVANCES | 2016年 / 6卷 / 96期
基金：
中国国家自然科学基金;
关键词：
NANOSTRUCTURED NICKEL PHOSPHIDE; ACTIVE EDGE SITES; GENERATING HYDROGEN; MOLYBDENUM CARBIDE; NANOWIRE ARRAYS; COBALT; MOS2; WATER; NANOPARTICLES; PERFORMANCE;
D O I：
10.1039/c6ra17839a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Pursuit of robust electrocatalysts has been a persistent objective for hydrogen evolution from seawater. We present here an experimental realization of an efficient Co3Mo3C decorated carbon nanotube (Co3Mo3C/CNT) electrocatalyst with exceptionally high electrocatalytic activity and good durability through a simple thermal decomposition method for hydrogen evolution reaction (HER), yielding an onset overpotential as low as 42 mV and an exchange current density up to 0.415 mA cm(-2) in seawater. Notably, the resultant Co3Mo3C/CNT electrocatalyst displays a promising stability when suffering persistent operation over 26 h in seawater. In comparison with pristine Ni foam electrode, the Co3Mo3C/CNT can markedly reduce the overpotential for hydrogen evolution and therefore enhance HER kinetics.
引用
收藏
页码：93267 / 93274
页数：8
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