Porous cobalt-iron nitride nanowires as excellent bifunctional electrocatalysts for overall water splitting

被引：256

作者：

Wang, Yanyong ^{[1
]}

Liu, Dongdong ^{[1
]}

Liu, Zhijuan ^{[1
]}

Xie, Chao ^{[1
]}

Huo, Jia ^{[1
]}

Wang, Shuangyin ^{[1
]}

机构：

[1] Hunan Univ, Coll Chem & Chem Engn, State Key Lab Chem Biosensing & Chemometr, Changsha 410082, Hunan, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2016年 / 52卷 / 85期

基金：

中国国家自然科学基金;

关键词：

HYDROGEN-EVOLUTION REACTION; OXYGEN REDUCTION REACTION; HIGHLY EFFICIENT; OXIDATION; CATALYSTS; NANOCRYSTALS; NANOSHEETS; GRAPHENE; DESIGN; OXIDES;

D O I：

10.1039/c6cc06608a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Designing highly active, earth-abundant and stable bifunctional electrocatalysts for both the oxygen (OER) and hydrogen (HER) evolution reactions is very crucial to overall water splitting. Herein, we developed nanoparticle-stacked porous Co3FeNx (NSP-Co3FeNx) nanowires as bifunctional electrocatalysts, exhibiting excellent OER and HER activity with a low overpotential of 222 mV at 20 mA cm(-2) and 23 mV at 10 mA cm(-2), respectively, due to their unique structural advantages with grain boundaries, defects and dislocations. Moreover, the electrocatalysts as bifunctional electrodes show a high performance with 10 mA cm(-2) at a cell voltage of 1.539 V.

引用

页码：12614 / 12617

页数：4

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