High performance of Co-P/NF electrocatalyst for oxygen evolution reaction

被引：18

作者：

Lv, Zunhang ^{[1
]}

Zhang, Yue ^{[1
]}

Wang, Kaihang ^{[1
]}

Yu, Tianpeng ^{[1
]}

Liu, Xin ^{[1
]}

Wang, Guixue ^{[1
]}

Xie, Guangwen ^{[1
]}

Jiang, Luhua ^{[1
]}

机构：

[1] Qingdao Univ Sci & Technol, Coll Mat Sci & Engn, 53 Zhengzhou Rd, Qingdao 266042, Shandong, Peoples R China

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2019年 / 235卷

基金：

中国国家自然科学基金;

关键词：

Oxygen evolution reaction; Co-P alloy; Amorphous materials; Electrocatalysis; BIFUNCTIONAL CATALYSTS; FACILE SYNTHESIS; EFFICIENT; HYDROGEN; OXIDATION; COBALT; NANOSHEETS; NI; NANOPARTICLES; NANOARRAYS;

D O I：

10.1016/j.matchemphys.2019.121772

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

One of the main challenges for electrochemical water splitting is to develop low-cost and efficient oxygen evolution anode materials. In this work, the Co-P alloys as efficient electrocatalysts for oxygen evolution reaction in alkaline media have been successfully synthesized by using electroless plating under mild conditions. SEM, TEM and XRD characterization show that the amorphous Co-P/NF electrocatalysts have rough surface structures, exposing more active sites for oxygen evolution reaction. The electrochemical measurements confirm that Co-P alloys have excellent activity for oxygen evolution reaction, with an overpotential of 306 mV (at j - 10 mA cm(-2)), a lower Tafel slope of 51.1 mV dec(-1) and long-term stability (>25 h) under alkaline conditions (1.0 M KOH).

引用

页数：7

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