Free-standing ternary NiWP film for efficient water oxidation reaction

被引：12
作者：
Yang, Yunpeng [1 ]
Zhou, Kuo [1 ]
Ma, Lili [1 ]
Liang, Yanqin [1 ]
Yang, Xianjin [1 ,2 ]
Cui, Zhenduo [1 ]
Zhu, Shengli [1 ,2 ]
Li, Zhaoyang [1 ,2 ]
机构：
[1] Tianjin Univ, Sch Mat Sci & Engn, Tianjin 300072, Peoples R China
[2] Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2018年 / 434卷
基金：
中国国家自然科学基金;
关键词：
NiWP free-standing film; Oxygen evolution reaction; Template method; Electrocatalytic properties; OXYGEN EVOLUTION REACTION; HYDROGEN EVOLUTION; FE; CO; ELECTROCATALYSTS; ELECTRODES; NANOPARTICLES; MECHANISM; CATALYSTS; ANODE;
D O I：
10.1016/j.apsusc.2017.10.049
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
High-efficient catalysts for oxygen evolution reaction (OER) is of great concern in improving energy efficiency for water splitting. Here we report a high-performance OER electrocatalyst of nickel-tungsten-phosphorus (NiWP) film prepared by template method. This free-standing ternary electrocatalyst exhibits a remarkable electrocatalytic activity of OER in alkaline medium due to the synergetic effect among these elements and the good electrical conductivity. The reported NiWP composite catalyst has an overpotential of as low as 0.4 V (vs. RHE) at 30 mA cm(-2), better than that of the commercial RuO2 catalyst. Moreover, a small charge transfer resistance of 4.06 Omega and a Tafel slope of 68 mV dec(-1) demonstrate the outstanding catalytic activity. (C) 2017 Published by Elsevier B.V.
引用
收藏
页码：871 / 878
页数：8
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