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
收藏
页码：12614 / 12617
页数：4
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