O-vacancy-rich and heterostructured Cu/Cu2O/NiO@NiCu foam self-supported advanced electrocatalyst towards hydrogen evolution: An experimental and DFT study

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成果类型：

期刊论文

作者：

Ren, Jun;Wang, Qing;Xiang, Qian;Yang, Chunming;Liang, Yun;...

通讯作者：

Yang, CM;Liu, Jinlong;Qian, D

作者机构：

[Ren, Jun; Yang, Chunming; Liang, Yun; Wang, Qing; Xiang, Qian] Hunan Normal Univ, Natl & Local Joint Engn Lab New Petro Chem Mat & F, Changsha 410081, Peoples R China.

[Ren, Jun; Yang, Chunming; Liang, Yun; Wang, Qing; Xiang, Qian] Hunan Normal Univ, Coll Chem & Chem Engn, Key Lab Chem Biol & Tradit Chinese Med Res, Minist Educ China, Changsha 410081, Peoples R China.

[Liu, Jinlong; Ren, Jun; Qian, Dong; Liu, JL] Cent South Univ, Coll Chem & Chem Engn, Changsha 410083, Peoples R China.

[Li, Junhua] Hengyang Normal Univ, Coll Chem & Mat Sci, Key Lab Funct Met Organ Cpds Hunan Prov, Hengyang 421008, Peoples R China.

通讯机构：

[Qian, D ; Liu, JL] C

[Yang, CM ] H

Hunan Normal Univ, Natl & Local Joint Engn Lab New Petro Chem Mat & F, Changsha 410081, Peoples R China.

Hunan Normal Univ, Coll Chem & Chem Engn, Key Lab Chem Biol & Tradit Chinese Med Res, Minist Educ China, Changsha 410081, Peoples R China.

Cent South Univ, Coll Chem & Chem Engn, Changsha 410083, Peoples R China.

语种：

英文

关键词：

Cu;Cu 2 O;NiO@NiCu foam;O-vacancy;Heterostructure;Electrocatalyst;Hydrogen evolution;Density functional theory calculations

期刊：

Chemical Engineering Science

ISSN：

0009-2509

年：

2023

卷：

280

页码：

119026

DOI：

10.1016/j.ces.2023.119026

基金类别：

National Natural Science Foundation of China [51874359, 52103354]; Natural Science Foundation of Hunan Province [2022JJ20084]; Key Scientific Research Fund of Hunan Provincial Science and Technology [2011GK2014]; Central South University [202045020]; High Performance Computing Centre of Central South University

机构署名：

本校为其他机构

院系归属：

化学与材料科学学院

摘要：

Defect-engineering and heterojunction-creating on a catalyst have been endorsed as effective approaches to enhance the hydrogen evolution reaction (HER) behavior. By skillfully employing the transformation of Cu2S/ Ni3S2 to NiO/Cu2O and the electroreduction of partial Cu2O to Cu/Cu2O for the O-vacancy (Ov) production and in-situ reactions for the heterostructure construction, we fabricated a self-supported heterostructured hybrid with Ov-rich Cu/Cu2O coupled with few NiO grown in-situ on the NiCu bimetallic foam (named as Cu/NiO/ Cu2O@NCF). Cu/NiO/Cu2O@NCF records a low overpotential of 79 mV ...

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O-vacancy-rich and heterostructured Cu/Cu2O/NiO@NiCu foam self-supported advanced electrocatalyst towards hydrogen evolution: An experimental and DFT study

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