Graphene/Ni-Fe layered double-hydroxide composite as highly active electrocatalyst for water oxidation

被引：48
|
作者：
Xia, Dao-cheng [1 ]
Zhou, Lei [2 ]
Qiao, Shi [2 ]
Zhang, Yalin [2 ]
Tang, Di [2 ]
Liu, Juan [2 ]
Huang, Hui [2 ]
Liu, Yang [2 ]
Kang, Zhenhui [2 ]
机构：
[1] Shanxi Datong Univ, Coll Chem & Chem Engn, Datong 37009, Peoples R China
[2] Soochow Univ, Jiangsu Key Lab Carbon Based Funct Mat & Devices, Inst Funct Nano & Soft Mat FUNSOM, Suzhou 215123, Jiangsu, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 2016年 / 74卷
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Composites; Chemical synthesis; Electrochemical measurements; Catalytic properties; Electrochemical properties; OXYGEN EVOLUTION; ELECTROCHEMICAL EVOLUTION; OXIDE CATALYSTS; GRAPHITE OXIDE; NICKEL-OXIDE; HYBRID; LIGHT; NI; FABRICATION; ELECTRODE;
D O I：
10.1016/j.materresbull.2015.11.007
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Water oxidation to produce oxygen as a means of renewable energy applications has attracted intense interest. However, the oxygen evolution reaction (OER) is still a huge challenge due to its a kinetically slow process requiring high overpotential. Therefore, the design and fabrication of highly active, durable, and cost-effective electrocatalysts are crucial. Here, we demonstrate the graphene/Ni-Fe layered double-hydroxide (RGO-Ni-Fe LDH) composite as highly active and durable electrocatalyst for OER, which exhibits excellent OER activity with a small overpotential (similar to 250 mV in 0.1 M KOH) based on the onset of catalytic current and stability. Furthermore, the electrocatalytic activity of RGO-Ni-Fe LDH composite is much better than that of others similar structures of electrocatalysts. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：441 / 446
页数：6
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