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

被引：9

作者：

Zheng, Wenqing ^{[1
]}

Sun, Han ^{[1
]}

Li, Xinping ^{[1
]}

Zhang, Shu ^{[1
]}

Yin, Zhuoxun ^{[1
,2
]}

Chen, Wei ^{[2
]}

Zhou, Yang ^{[3
]}

机构：

[1] Qiqihar Univ, Coll Chem & Chem Engn, Qiqihar 161006, Peoples R China

[2] Heilongjiang Prov Key Lab Catalyt Synth Fine Chem, Qiqihar 161006, Peoples R China

[3] Qiqihar Univ, Coll Sci, Qiqihar 161006, Peoples R China

来源：

FRONTIERS OF MATERIALS SCIENCE | 2021年 / 15卷 / 04期

关键词：

ion exchange; hierarchical nanostructure; electronic structure transfer; oxygen evolution reaction; water splitting; NICKEL-COBALT OXIDE; BIFUNCTIONAL ELECTROCATALYSTS; ENERGY-CONVERSION; NANOSHEETS; STORAGE; SPINEL; CARBON;

D O I：

10.1007/s11706-021-0579-z

中图分类号：

T [工业技术];

学科分类号：

08 ;

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 center dot 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：12

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