Porous Cobalt Phosphide Polyhedrons with Iron Doping as an Efficient Bifunctional Electrocatalyst

被引：74

作者：

Li, Feng ^{[1
]}

Bu, Yunfei ^{[2
,3
]}

Lv, Zijian ^{[2
]}

Mahmood, Javeed ^{[1
]}

Han, Gao-Feng ^{[1
]}

Ahmad, Ishfaq ^{[1
]}

Kim, Guntae ^{[3
]}

Zhong, Qin ^{[2
]}

Baek, Jong-Beom ^{[1
]}

机构：

[1] UNIST, Sch Energy & Chem Engn, Ctr Dimens Controllable Organ Frameworks, 50 UNIST, Ulsan 44919, South Korea

[2] Nanjing Univ Sci & Technol, Sch Chem Engn, Xiaolingwei St 200, Nanjing 210094, Jiangsu, Peoples R China

[3] UNIST, Sch Energy & Chem Engn, 50 UNIST, Ulsan 44919, South Korea

来源：

SMALL | 2017年 / 13卷 / 40期

基金：

新加坡国家研究基金会;

关键词：

HYDROGEN-PRODUCTION; EVOLUTION; NANOPARTICLES; CATHODE; FE;

D O I：

10.1002/smll.201701167

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Iron (Fe)-doped porous cobalt phosphide polyhedrons are designed and synthesized as an efficient bifunctional electrocatalyst for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). The synthesis strategy involves one-step route for doping foreign metallic element and forming porous cobalt phosphide polyhedrons. With varying doping levels of Fe, the optimized Fe-doped porous cobalt phosphide polyhedron exhibits significantly enhanced HER and OER performances, including low onset overpotentials, large current densities, as well as small Tafel slopes and good electrochemical stability during HER and OER.

引用

页数：6

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