Fe-doped NiCo2O4 hollow hierarchical sphere as an efficient electrocatalyst for oxygen evolution reaction

被引：0

作者：

Wenqing Zheng

Han Sun

Xinping Li

Shu Zhang

Zhuoxun Yin

Wei Chen

Yang Zhou

机构：

[1] Qiqihar University,College of Chemistry and Chemical Engineering

[2] Heilongjiang Provincial Key Laboratory of Catalytic Synthesis for Fine Chemicals,College of Science

[3] Qiqihar University,undefined

来源：

Frontiers of Materials Science | 2021年 / 15卷

关键词：

ion exchange; hierarchical nanostructure; electronic structure transfer; oxygen evolution reaction; water splitting;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

We prepared porous Fe-doped nickel cobaltate (Fe-NiCo2O4) hollow hierarchical nanospheres through a facile self-templated synthetic strategy. Due to the porous hollow structure and composition, the Fe-NiCo2O4 presented vastly superior electrocatalytic activity for the oxygen evolution reaction (OER), compared with NiCo2O4 and the majority of other OER catalysts. With an aim of stimulating a current density of 10 mA·cm−2, the Fe-NiCo2O4 catalyst needs an overpotential of 210 mV, which is on a par with the general properties of commercial IrO2. In addition, the Fe-NiCo2O4 catalyst performed stably in long-term testing. The excellent activity and long-term stability showed that such catalysts have great promise for widespread application in the field of water splitting.

引用

页码：577 / 588

页数：11

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