Boosting the hydrogen evolution of layered double hydroxide by optimizing the electronic structure and accelerating the water dissociation kinetics

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成果类型：

期刊论文

作者：

He, Hongbo;Xiao, Jiayong;Liu, Zhibin*;Yang, Bin;Wang, Dashuai;...

通讯作者：

Liu, Zhibin;Qiu, Ming;Hou, Y

作者机构：

[Hou, Yang; Lei, Lecheng; Qiu, Ming; Peng, Xianyun; Wang, Dashuai; He, Hongbo; Yang, Bin; Li, Zhongjian; Zeng, Libin; Liu, Zhibin; Liu, ZB] Zhejiang Univ, Coll Chem & Biol Engn, Key Lab Biomass Chem Engn, Minist Educ, Hangzhou 310027, Peoples R China.

[Lei, Lecheng; Peng, Xianyun; Wang, Dashuai; Yang, Bin; Li, Zhongjian; Zeng, Libin; Liu, Zhibin; Hou, Yang] Inst Zhejiang Univ Quzhou, Quzhou 324000, Peoples R China.

[Hou, Yang] NingboTech Univ, Sch Biol & Chem Engn, 1 South Qianhu Rd, Ningbo 315100, Peoples R China.

[Xiao, Jiayong; Qiu, Ming] Cent China Normal Univ, Inst Nanosci & Nanotechnol, Coll Phys Sci & Technol, Wuhan 430079, Peoples R China.

[He, Hongbo] Xiangnan Univ, Sch Chem & Environm Sci, Chenzhou 423000, Hunan, Peoples R China.

通讯机构：

[Hou, Y ; Qiu, M; Liu, ZB] Z

Zhejiang Univ, Coll Chem & Biol Engn, Key Lab Biomass Chem Engn, Minist Educ, Hangzhou 310027, Peoples R China.

语种：

英文

关键词：

Electronic structure;Hydrogen evolution reaction;Layered double hydroxide;Water dissociation kinetic;Zn-H2O cell

期刊：

Chemical Engineering Journal

ISSN：

1385-8947

年：

2023

卷：

453

页码：

139751

DOI：

10.1016/j.cej.2022.139751

基金类别：

This work was financially supported by the National Natural Science Foundation of China ( 21922811 , 21961160742 , 21878270 , 22178308 , U20A20246 ), the Zhejiang Provincial Natural Science Foundation of China ( LR19B060002 ), the Fundamental Research Funds for the Central Universities ( 226-2022-00055 ), the Startup Foundation for Hundred-Talent Program of Zhejiang University, and, Zhejiang University Global Partnership Fund.

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院系归属：

物理科学与技术学院

摘要：

Designing a highly efficient and durable electrocatalyst for hydrogen evolution reactions (HER) is of great significance to promote the development of green hydrogen energy. This work reports a vertical-aligned electrocatalyst of Cu2O/CoCu-LDH inlaid bilayer nanosheets that achieve excellent alkaline HER performance with a low overpotential of 96 mV at 10 mA cm−2 and a low Tafel slope of 76.8 mV dec−1. Notably, Cu2O/CoCu-LDH outperforms Pt/C at a practical current density of 600 mA cm−2. The structural characterizations and theory calculatio...

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Boosting the hydrogen evolution of layered double hydroxide by optimizing the electronic structure and accelerating the water dissociation kinetics

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