Cu3N nanowire array as a high-efficiency and durable electrocatalyst for oxygen evolution reaction

被引：9
作者：
Guo, Huanmei [1 ]
Liu, Li [1 ]
Wu, Qian [1 ]
Li, Limin [1 ]
Tai, Xishi [1 ]
机构：
[1] Weifang Univ, Coll Chem & Chem Engn, Weifang 261061, Shandong, Peoples R China
来源：
DALTON TRANSACTIONS | 2019年 / 48卷 / 16期
基金：
中国国家自然科学基金;
关键词：
HIGH-PERFORMANCE; NANOROD ARRAY; HYDROGEN; OXIDATION; CATALYST; HYBRID;
D O I：
10.1039/c9dt00362b
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Developing non-precious oxygen evolution reaction (OER) electrocatalysts with high performance and long-term stability has drawn considerable research interest in recent years. In this communication, we report a self-supported Cu3N nanowire array on copper foam (Cu3N NA/CF) which is derived from a Cu(OH)(2) nanowire array on copper foam (Cu(OH)(2) NA/CF) through a nitridation process. Intriguingly, this 3D electrode exhibits marvellous OER activity with the need of an overpotential of only 298 mV at a current density of 20 mA cm(-2) in 1.0 M KOH. In addition, the obtained electrocatalyst is capable of maintaining its high performance for at least 25 h under a static current density of 20 mA cm(-2).
引用
收藏
页码：5131 / 5134
页数：4
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