Interface engineering of the NiCo2O4@MoS2/TM heterostructure to realize the efficient alkaline oxygen evolution reaction

被引：30

作者：

Bao, Weiwei ^{[1
]}

Li, Yan ^{[1
]}

Zhang, Junjun ^{[2
]}

Ai, Taotao ^{[1
]}

Yang, Chunming ^{[3
]}

Feng, Liangliang ^{[4
]}

机构：

[1] Shaanxi Univ Technol, Sch Mat Sci & Engn, Hanzhong 723000, Shaanxi, Peoples R China

[2] Ningxia Univ, Coll Chem & Chem Engn, State Key Lab High Efficiency Utilizat Coal & Gree, Yinchuan 750021, Peoples R China

[3] Yanan Univ, Coll Chem & Chem Engn, Shaanxi Key Lab Chem React Engn, Yanan 716000, Peoples R China

[4] Shaanxi Univ Sci & Technol, Sch Mat Sci & Engn, Shaanxi Key Lab Green Preparat & Functionalizat In, Xian 710021, Shaanxi, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2023年 / 48卷 / 33期

基金：

中国国家自然科学基金;

关键词：

Electrocatalysis; Oxygen evolution reaction; Interface engineering; Electronic modulation; NiCo2O4@MoS2 heterostructure; BIFUNCTIONAL ELECTROCATALYST; WATER; FOAM; RECONSTRUCTION; NANOSHEETS;

D O I：

10.1016/j.ijhydene.2022.12.184

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Electrochemical water splitting is considered as a promising strategy for the efficient hydrogen production, yet it is hindered by the sluggish oxygen evolution reaction (OER). Herein, heterostructure OER catalyst is fabricated by combining MoS2 nanosheets with NiCo2O4 hollow sphere on Ti mesh. Benefiting from the heterogeneous nanointerface be-tween NiCo2O4 and MoS2, this electrocatalyst demonstrates excellent OER activity in basic environment with overpotentials of 313 and 380 mV achieving 10 and 100 mA cm(-2). The superb catalytic performance stems from hollow the nanostructure and interfacial engineering strategy that enhance intrinsic activity and provide faster charge transfer. Hence, this work provides a feasible path for exploiting the high-efficient catalysts. (c) 2022 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：12176 / 12184

页数：9

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