Review: development status and modification strategies of nano-MoS2-based anode materials

Wang, Kunzhou; Cui, Yaru; Hao, Yu; Hu, Jinpeng; Zhang, Wei; Wang, Juan

doi:10.1007/s11581-024-05650-x

Ionics

2024

DOI: 10.1007/s11581-024-05650-x

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Review: development status and modification strategies of nano-MoS2-based anode materials

Kunzhou Wang,

Yaru Cui,

Yu Hao

et al.

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Rational design of MoS2/CNT heterostructure with rich S-vacancy for enhanced HER performance

Sun,

Li,

Wang

et al. 2024

The Journal of Chemical Physics

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Molybdenum disulfide (MoS2) is a promising electrocatalyst for the hydrogen evolution reaction (HER) due to excellent stability and low cost. However, the utilization in electrocatalytic hydrogen evolution is constrained by inherent shortcomings, including fewer edge active sites, poor dispersion, and electrical conductivity. In this work, MoS2 was compounded with carbon nanotubes (CNTs), which are known for their high specific surface area and excellent electrical conductivity. These CNTs, laden with oxygen-containing functional groups, provided nucleation sites that facilitated the rapid assembly of MoS2 nanoflowers under hydrothermal conditions within 3 h. Due to their diminutive size (∼300 nm), these nanoflowers possess a large specific surface area and numerous active sites at their edges. Furthermore, MoS2 nanoflowers exhibited a high concentration of intrinsic S-vacancies. This heterojunction material exhibited superior HER properties. In addition, density functional theory simulation further confirmed that the MoS2 with S vacancy and CNT heterojunction electrocatalysts (VS-M/C) provided a fast charge transfer pathway for water electrolysis, and analysis showed that the conduction band minimum and valence band maximum were mainly contributed by the d orbits of Mo and the p orbits of C. This study proffered a novel approach for the engineering of high-performance MoS2-based HER electrocatalysts.

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Rational design of MoS2/CNT heterostructure with rich S-vacancy for enhanced HER performance

Sun,

Li,

Wang

et al. 2024

The Journal of Chemical Physics

View full text Add to dashboard Cite

show abstract

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Review: development status and modification strategies of nano-MoS2-based anode materials

Cited by 1 publication

References 158 publications

Rational design of MoS2/CNT heterostructure with rich S-vacancy for enhanced HER performance

Rational design of MoS2/CNT heterostructure with rich S-vacancy for enhanced HER performance

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