Hierarchical Cu@CoFe layered double hydroxide core-shell nanoarchitectures as bifunctional electrocatalysts for efficient overall water splitting

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成果类型：

期刊论文

作者：

Yu, Luo;Zhou, Haiqing;Sun, Jingying;Qin, Fan;Luo, Dan;...

通讯作者：

Yu, Ying;Chen, Shuo;Ren, Zhifeng

作者机构：

[Li, Yong; Yu, Ying; Yu, Luo] Cent China Normal Univ, Coll Phys Sci & Technol, Wuhan 430079, Hubei, Peoples R China.

[Luo, Dan; Chen, Shuo; Ren, Zhifeng; Xie, Lixin; Zhou, Haiqing; Yu, Luo; Sun, Jingying; Yu, Fang] Univ Houston, Dept Phys, Houston, TX 77204 USA.

[Luo, Dan; Chen, Shuo; Ren, Zhifeng; Xie, Lixin; Zhou, Haiqing; Yu, Luo; Sun, Jingying; Yu, Fang] Univ Houston, TcSUH, Houston, TX 77204 USA.

[Bao, Jiming; Qin, Fan] Univ Houston, Dept Elect & Comp Engn, Houston, TX 77204 USA.

[Luo, Dan] Univ Houston, Dept Chem & Biomol Engn, Houston, TX 77204 USA.

通讯机构：

[Yu, Ying] C

[Chen, S; Ren, ZF] U

Cent China Normal Univ, Coll Phys Sci & Technol, Wuhan 430079, Hubei, Peoples R China.

Univ Houston, Dept Phys, Houston, TX 77204 USA.

Univ Houston, TcSUH, Houston, TX 77204 USA.

语种：

英文

关键词：

Bifunctional;Core-shell;Hierarchical;Overall water splitting;[email protected] LDH

期刊：

Nano Energy

ISSN：

2211-2855

年：

2017

卷：

页码：

327-336

DOI：

10.1016/j.nanoen.2017.09.045

基金类别：

The work is partially supported by the China Scholarship Council , National Natural Science Foundation of China (Nos. 21377044 and 21573085 ), and the work performed at the University of Houston is funded by the US Department of Energy under Award number DE-SC0010831 .

机构署名：

本校为第一且通讯机构

院系归属：

物理科学与技术学院

摘要：

Efficient and low-cost bifunctional catalysts toward both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) for overall water splitting are of great significance to energy and environmental sustainability. Here, we report on a novel hierarchical Cu@CoFe layered double hydroxide (LDH) core-shell nanostructure catalyst for efficient overall water splitting in the alkaline medium. Benefiting from the smart structure, the optimized composite affords small overpotentials of 171 mV for the HER and 240 mV for the OER at a current density of 10 mA cm−2, along with Tafel slope...

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Hierarchical Cu@CoFe layered double hydroxide core-shell nanoarchitectures as bifunctional electrocatalysts for efficient overall water splitting

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