A Ni-MOF nanosheet array for efficient oxygen evolution electrocatalysis in alkaline media

被引：174
|
作者：
Meng, Chuqian [1 ]
Cao, Yang [2 ]
Luo, Yonglan [2 ]
Zhang, Fang [3 ]
Kong, Qingquan [4 ]
Alshehri, Abdulmohsen Ali [5 ]
Alzahrani, Khalid Ahmed [5 ]
Li, Tingshuai [1 ]
Liu, Qian [4 ]
Sun, Xuping [2 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Mat & Energy, Chengdu 610054, Sichuan, Peoples R China
[2] Univ Elect Sci & Technol China, Inst Fundamental & Frontier Sci, Chengdu 610054, Sichuan, Peoples R China
[3] Natl Engn Res Ctr Nanotechnol, 28 East Jiang Chuan Rd, Shanghai 200241, Peoples R China
[4] Chengdu Univ, Inst Adv Study, Chengdu 610106, Sichuan, Peoples R China
[5] King Abdulaziz Univ, Chem Dept, Fac Sci, POB 80203, Jeddah 21589, Saudi Arabia
来源：
INORGANIC CHEMISTRY FRONTIERS | 2021年 / 8卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Electrocatalysis - Electrocatalysts - Oxygen - Precious metals - Nanosheets;
D O I：
10.1039/d1qi00345c
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Highly stable and efficient non-noble-metal electrocatalysts are strongly desired for the oxygen evolution reaction (OER) in alkaline media. In this study, we report the use of 4,4 '-biphenyl dicarboxylic acid as an organic ligand to in situ develop an Ni-MOF nanosheet array on nickel foam (Ni-MOF/NF) as an OER catalyst. In 1 M KOH, such 3D Ni-MOF/NF drives a current density of 20 mA cm(-2) at a low overpotential of 350 mV. Moreover, it exhibits strong long-term electrochemical stability for at least 24 h and achieves a high turnover frequency of 0.24 mol O-2 per s at an overpotential of 400 mV.
引用
收藏
页码：3007 / 3011
页数：5
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