论文摘要
Oxygen evolution reaction（OER） is a key process for electrochemical water splitting due to its intrinsic large overpotential. Recently, layered double hydroxides（LDHs）, especially Ni Fe-LDH, have been regarded as highly performed electrocatalysts for OER in alkaline condition. Here we first present a new class of Ni La-LDH electrocatalyst synthesized by an electrochemical process for efficient water splitting. The as-prepared NiL a-LDH nanosheet arrays（NSAs） give remarkable electrochemical activity and durability under alkaline environments, with a low overpotential of 209 mV for OER to deliver a current density of 10 mA cm-2, surpassing most of previous reported LDHs eletrocatalysts. The presence of NiLa-LDH in this work extends the studies about LDHs-based electrocatalysts, which will benefit the development of electrochemical energy storage and conversion systems.
论文目录
文章来源
类型: 期刊论文
作者: Shan Jiang,Yunke Liu,Wenfu Xie,Mingfei Shao
来源: Journal of Energy Chemistry 2019年06期
年度: 2019
分类: 工程科技Ⅰ辑
专业: 无机化工
单位: State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology
基金: supported by the National Natural Science Foundation of China (21601011 and 21521005),the National Key Research and Development Programme (2017YFA0206804),the Fundamental Research Funds for the Central Universities (buctrc201506 and buctylkxj01)
分类号: TQ116.2
页码: 125-129
总页数: 5
文件大小: 3763K
下载量: 10
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