Mesoporous FeMoV Oxide Nanosheets Supported on Nickel Foam as Highly Efficient Electrocatalysts for the Oxygen Evolution Reaction

被引：1

作者：

Zhou, Xingwei ^{[1
]}

Li, Jianchen ^{[1
]}

Ma, Haibin ^{[1
]}

Qu, Yanbin ^{[1
]}

Cui, Yuhuan ^{[1
]}

Wang, Zhili ^{[1
]}

Jiang, Qing ^{[1
]}

机构：

[1] Jilin Univ, Sch Mat Sci & Engn, Key Lab Automobile Mat, Minist Educ, Changchun 130022, Peoples R China

来源：

ACS APPLIED ENERGY MATERIALS | 2021年 / 4卷 / 12期

基金：

中国国家自然科学基金;

关键词：

oxygen evolution reaction; non-noble metal catalyst; synergistic effect; nanosheets; electronic structure; HYDROGEN EVOLUTION; NI FOAM; WATER OXIDATION; ACTIVE-SITES; CATALYSTS; PERFORMANCE; REDUCTION; RECONSTRUCTION; GENERATION; DESCRIPTOR;

D O I：

10.1021/acsaem.1c02825

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The development of non-noble metal-based electrocatalysts with high efficiency for the oxygen evolution reaction (OER) is of great importance for the practical application of electrocatalytic water splitting. Herein, we have synthesized tri-metal-based FeMoV oxide nanosheets on three- dimensional nickel foam (FeMoV/NF) for the OER by a simple hydrothermal method. Thanks to the decreased charge-transfer resistance and modified electronic structure, the optimized Fe0.5Mo0.1V0.4/NF electrode exhibits excellent OER performance with a low overpotential of 296 mV to deliver a current density of 100 mA cm(-2) and a small Tafel slope of 48.9 mV dec(-1) in a 1 M KOH solution; both values are much lower than those of commercial RuO2 supported on nickel foam (392 mV and 129 mV dec(-1), respectively). This work may provide a promising strategy for the design of highly efficient and low-cost electrocatalysts for the OER.

引用

页码：14059 / 14067

页数：9

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