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
收藏
页码：577 / 588
页数：12
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