Metal organic framework derived cobalt tetroxide for enhanced electrochemical hydrogen evolution reaction

被引：5

作者：

Wang, Jianxing ^{[1
]}

Yan, Bo ^{[1
]}

Fang, Bo ^{[2
]}

Jian, Zicong ^{[3
]}

机构：

[1] Sun Yat sen Univ, Sch Mat Sci & Engn, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Peoples R China

[2] Guangdong One Nano Technol Co Ltd, Huizhou 516029, Peoples R China

[3] Huizhou Univ, Sch Chem & Mat Engn, Huizhou 516007, Peoples R China

来源：

MATERIALS LETTERS | 2023年 / 332卷

关键词：

Microstructure; Electrocatalyst; Hydrogen evolution reaction; EFFICIENT; POLYHEDRA;

D O I：

10.1016/j.matlet.2022.133448

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Herein, we report a self-supporting electrode fabricated by calcining Co-MOF on nickel foam (Co3O4@NF) for hydrogen evolution reaction (HER). Consequently, in alkaline electrolyte, Co3O4@NF exhibits excellent catalytic activity and fast kinetics towards HER, requiring only small overpotentials of 131 and 224 mV to provide current densities of 10 and 100 mA cm-2, and good durability at 10 mA cm-2 for 50 h. This is attributed to the rough surface of Co3O4@NF, which provides much active sites and therefore facilitates the HER process.

引用

页数：4

共 28 条

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