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Direct growth of hierarchically Ni3S2 nanostructures on nickel foam for enhanced hydrogen evolution reaction

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Title Direct growth of hierarchically Ni3S2 nanostructures on nickel foam for enhanced hydrogen evolution reaction
 
Creator Zhong, Xiaokang
Ali, Mure
Wang, Xiuting
Lu, Wanxin
Yong, Kangle
Feng, Delong
Zhou, Yun
Xu, Jie
 
Subject Metallic compounds
Hierarchically
Dimensional confinement
Hydrogen evolution reaction
 
Description 105-111
Hydrogen is not only a promising energy, but also widely used in inflammation treatment and sports training. The key to
these applications is to obtain pure hydrogen conveniently. Water electrolysis provides a green and sustainable method for
hydrogen production, but the urgent problem is to develop low-cost and efficient electrocatalysts. In this work,
hierarchically porous Ni3S2 nanostructures, which the flocculent two-dimensional Ni3S2 is coated on the surface of Ni3S2
nanosheets, have been successfully grown on nickel foam through a facile two-step hydrothermal reaction. The
hierarchically porous Ni3S2 nanostructures has a large specific surface area can expose more active sites and facilitates
desorption of bubbles. Moreover, the theoretical calculation has indicated that the dimensional confinement effect of
metallic Ni3S2 improves the carrier concentration and conductivity. Therefore, the hierarchically porous Ni3S2
nanostructures on nickel foam have exhibited enhanced hydrogen evolution reaction and good catalytic stability. This work
sheds some light on improving the catalytic performance of metallic compounds.
 
Date 2024-01-23T09:50:58Z
2024-01-23T09:50:58Z
2024-01
 
Type Article
 
Identifier 2583-1321 (Online); 0019-5103 (Print)
http://nopr.niscpr.res.in/handle/123456789/63216
https://doi.org/10.56042/ijc.v63i1.7908
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJC Vol.63(01) [Jan 2024]