Journal
MOLECULES
Volume 27, Issue 22, Pages -Publisher
MDPI
DOI: 10.3390/molecules27228019
Keywords
hydrogen evolution reaction; V1 11S2; morphology; hydrothermal synthesis
Funding
- National Natural Science Foundation of Qingquan Kong [11832007]
- Application and Foundation Research Projects of Qingquan Kong [2022NSFSC1965, 2022JDRC0085]
- Wuliangye Group Industry University Research Cooperation Project of Xiaonan Liu grant [CXY2021ZR002]
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This study successfully synthesized flower-like, flake-like, and porous V1.11S2 catalysts and investigated the effects of morphology on their hydrogen evolution performance. The results showed that flower-like V1.11S2 exhibited the best electrocatalytic activity for HER in 0.5 M H2SO4 solution, attributed to its abundance of catalytically active sites and low charge transfer resistance.
High-performance low-cost catalysts are in high demand for the hydrogen evolution reaction (HER). In the present study, we reported that V1.11S2 materials with flower-like, flake-like, and porous morphologies were successfully synthesized by hydrothermal synthesis and subsequent calcination. The effects of morphology on hydrogen evolution performance were studied. Results show that flower-like V1.11S2 exhibits the best electrocatalytic activity for HER, achieving both high activity and preferable stability in 0.5 M H2SO4 solution. The main reason can be ascribed to the abundance of catalytically active sites and low charge transfer resistance.
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