In-situ Surface-selective Removal of Al Element from NiFeAl Ternary Nanowires for Large-current Oxygen Evolution Reaction

被引：1

作者：

Zhang, Xiuhong ^{[1
]}

Li, Zheng ^{[1
]}

Shen, Weilin ^{[1
]}

Zhao, Guang ^{[1
]}

Yi, Zhaohui ^{[1
]}

Qi, Ji ^{[1
]}

Liang, Changhai ^{[1
]}

机构：

[1] Dalian Univ Technol, Sch Chem Engn, State Key Lab Fine Chem, Dalian 116024, Peoples R China

来源：

CHEMNANOMAT | 2021年 / 7卷 / 10期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Oxygen evolution reaction; Large current; In-situ selective removal; Ternary catalyst; WATER OXIDATION; EFFICIENT ELECTROCATALYST; HIGHLY EFFICIENT; LOW-TEMPERATURE; COBALT-OXIDE; NICKEL FOAM; NANOSHEETS; CATALYST; NANOCRYSTALS; PERFORMANCE;

D O I：

10.1002/cnma.202100194

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

To store renewable energy via water splitting, it is crucial to design low-cost and high-performance catalysts for oxygen evolution reaction (OER). In this work, a ternary nanowire supported on nickel foam (NiFeAl-NW/NF) with high specific surface area and catalytic activity was prepared by hydrothermal method and in-situ selective surface removal. High OER current densities of 100, 500 and 1000 mA . cm(-2) were achieved under anode potentials of 1.52, 1.56 and 1.60 V vs. RHE, respectively. The NiFeAl-NW/NF was stable under 1 A cm(-2) OER current density in the 40 hour durability test. In situ surface selective removal of aluminum from nanowires provides abundant structural defects, which effectively enlarge the electrochemically surface area of the integral catalyst suitable for large-current oxygen evolution reaction (OER).

引用

页码：1138 / 1144

页数：7

共 2 条

[1] Ultrastable NiFeOOH/NiFe/Ni electrocatalysts prepared by in-situ electro-oxidation for oxygen evolution reaction at large current density
Wu, Yutai
Wang, Hui
Ji, Shan
Tian, Xinlong
Li, Guidong
Wang, Xuyun
Wang, Rongfang
APPLIED SURFACE SCIENCE, 2021, 564
[2] In-situ Growth of Scalable Low-Crystalline γ-FeOOH@Ni(OH)2 Nanosheet Heterostructured Catalysts for Stable Oxygen Evolution Reaction at Large Current Density
Liu, Gaofu
Wu, Yonggang
Lu, Yu
Chen, Mingyue
Wu, Hao
Qi, Pengcheng
Hao, Kunyu
Tang, Yiwen
ACS SUSTAINABLE CHEMISTRY & ENGINEERING, 2024, 12 (15) : 6023 - 6034

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