Metal Nickel Foam as an Efficient and Stable Electrode for Hydrogen Evolution Reaction in Acidic Electrolyte under Reasonable Overpotentials

被引：129
|
作者：
Lu, Jia [1 ]
Xiong, Tanli [1 ]
Zhou, Weijia [1 ]
Yang, Linjing [1 ]
Tang, Zhenghua [1 ]
Chen, Shaowei [1 ,2 ]
机构：
[1] S China Univ Technol, New Energy Res Inst, Sch Environm & Energy, Guangzhou Higher Educ Mega Ctr, Guangzhou 510006, Guangdong, Peoples R China
[2] Univ Calif Santa Cruz, Dept Chem & Biochem, 1156 High St, Santa Cruz, CA 95064 USA
来源：
ACS APPLIED MATERIALS & INTERFACES | 2016年 / 8卷 / 08期
基金：
中国国家自然科学基金;
关键词：
stable electrocatalyst; equilibrium potential; hydrogen evolution reaction; nickel foam; acidic electrolyte; ELECTROCATALYST; NANOPARTICLES; NANOSHEETS; FRAMEWORKS; CATALYSIS; PHOSPHIDE; SURFACE;
D O I：
10.1021/acsami.6b00233
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Acidic electrolytes are advantageous for water electrolysis in the production of hydrogen as there is a large supply of H+ ions in the solution. In this study, with the applied overpotential larger than the equilibrium potential of Ni-0/Ni2+, Ni foam as HER electrode exhibits excellent and stable HER activity with an onset potential of -84 mV (vs RHE), a high current density of 10 mA cm(-2) at -210 mV (vs RHE), and prominent electrochemical durability (longer than 5 days) in acidic electrolyte. The results presented herein may has potential large-scale application in hydrogen energy production.
引用
收藏
页码：5065 / 5069
页数：5
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