MoS2−x/GCD-MoS2−x nanostructures for tuning the overpotential of Volmer-Heyrovsky reaction of electrocatalytic hydrogen evolution

Nayana, K.; Sunitha, A.P.

doi:10.1016/j.ijhydene.2023.11.242

International Journal of Hydrogen Energy

2024

DOI: 10.1016/j.ijhydene.2023.11.242

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MoS2−x/GCD-MoS2−x nanostructures for tuning the overpotential of Volmer-Heyrovsky reaction of electrocatalytic hydrogen evolution

K. Nayana,

A.P. Sunitha

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2024

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Cited by 17 publications

References 74 publications

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Self‐Supported Sand Rose‐Like MoSe₂/NiSe/NiFe‐LDH Bifunctional Electrocatalyst for Overall Water Electrolysis

Chen,

Wang,

Zhao

et al. 2024

ChemCatChem

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Hydrogen energy with a high fuel value is considered to be one of the most important renewable and clean energy sources in sustainable energy. Electrocatalytic water splitting is the best way to produce hydrogen sustainably on a large scale. In this work, the sand rose‐like MoSe2/NiSe/NiFe layered double hydroxide (NiFe‐LDH) catalyst is obtained by a two‐step hydrothermal method for hydrogen evolution (HER) and oxygen evolution reaction (OER). The three‐dimensional (3D) hierarchical structure is observed by SEM, TEM, XRD and XPS, and the results showed that there is strong electronic interaction among the components, which promotes electron transfer and improves catalytic activity. In the alkaline environment, the catalyst exhibits excellent HER and OER performance, the current density of 10 mA cm−2 requires only 130 mV and 136 mV overpotential, respectively. In the water splitting system composed of MoSe2/NiSe/NiFe‐LDH as both cathode and anode, only 1.51 V voltage reaches the current density of 10 mA cm−2, and workes continuously for more than 120 h at 100 mA cm−2 current density with excellent stability. The Faraday efficiency of hydrogen production is close to 100 %. This study provides a promising strategy for the preparation of efficient electrocatalyst for overall water splitting.

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Self‐Supported Sand Rose‐Like MoSe₂/NiSe/NiFe‐LDH Bifunctional Electrocatalyst for Overall Water Electrolysis

Chen,

Wang,

Zhao

et al. 2024

ChemCatChem

View full text Add to dashboard Cite

show abstract

Improved HER activity of Ru nanoparticles decorated MoS2 with S defect

Lin,

Xu,

et al. 2024

Applied Surface Science

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Regulating the electronic structure of Ni3Se4-MoSe2 by coupling with ZIF-derived Co@C promotes boosted urea-assisted water splitting at industrial current density

Yuan,

Sun,

Gao

et al. 2024

Chemical Engineering Journal

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MoS2−x/GCD-MoS2−x nanostructures for tuning the overpotential of Volmer-Heyrovsky reaction of electrocatalytic hydrogen evolution

Cited by 17 publications

References 74 publications

Self‐Supported Sand Rose‐Like MoSe₂/NiSe/NiFe‐LDH Bifunctional Electrocatalyst for Overall Water Electrolysis

Self‐Supported Sand Rose‐Like MoSe₂/NiSe/NiFe‐LDH Bifunctional Electrocatalyst for Overall Water Electrolysis

Improved HER activity of Ru nanoparticles decorated MoS2 with S defect

Regulating the electronic structure of Ni3Se4-MoSe2 by coupling with ZIF-derived Co@C promotes boosted urea-assisted water splitting at industrial current density

Contact Info

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Resources

About

MoS2−x/GCD-MoS2−x nanostructures for tuning the overpotential of Volmer-Heyrovsky reaction of electrocatalytic hydrogen evolution

Cited by 17 publications

References 74 publications

Self‐Supported Sand Rose‐Like MoSe2/NiSe/NiFe‐LDH Bifunctional Electrocatalyst for Overall Water Electrolysis

Self‐Supported Sand Rose‐Like MoSe2/NiSe/NiFe‐LDH Bifunctional Electrocatalyst for Overall Water Electrolysis

Improved HER activity of Ru nanoparticles decorated MoS2 with S defect

Regulating the electronic structure of Ni3Se4-MoSe2 by coupling with ZIF-derived Co@C promotes boosted urea-assisted water splitting at industrial current density

Contact Info

Product

Resources

About

Self‐Supported Sand Rose‐Like MoSe₂/NiSe/NiFe‐LDH Bifunctional Electrocatalyst for Overall Water Electrolysis

Self‐Supported Sand Rose‐Like MoSe₂/NiSe/NiFe‐LDH Bifunctional Electrocatalyst for Overall Water Electrolysis