Ti₃C₂T_x Nanosheet/NiFe₂O₄ Nanoparticle Composites for Electrocatalytic Water Splitting

ACS Applied Nano Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 13, 2025

This study reports the synthesis and detailed characterization of a Ti3C2Tx sheets/NiFe2O4 ferrite nanocomposite designed to enhance bifunctional electrocatalytic water splitting. Utilizing facile hydrothermal approach, effectively combines exceptional electrical conductivity high surface area MXene sheets with outstanding catalytic properties NiFe2O4 nanoparticles. Comprehensive through X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission (TEM) confirmed successful integration nanoparticles onto nanosheets. Furthermore, photoelectron spectroscopy (XPS) revealed significant electronic interactions between substrate nanoparticles, which are critical observed enhancement in performance. Electrochemical evaluations demonstrated that synthesized Ti3C2Tx/NiFe2O4@20% (MNFO20) exhibits remarkable activity, achieving an overpotential 181 mV for oxygen evolution reaction (OER) 157 hydrogen (HER) at current density 10 mA cm–2 both alkaline acidic environments. Notably, exhibited excellent stability, retaining its performance after 3000 cycles. The synergistic interaction nanosheet nanoparticle leads optimized adsorption energies intermediates, thereby enhancing overall efficiency. work introduces strategy developing high-performance cost-effective electrocatalysts water-splitting applications, contributing advancements renewable energy technologies.

Language: Английский

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Activation of stannic oxide by the incorporation of ruthenium oxide nanoparticles for efficient hydrogen evolution reaction

Electrochimica Acta, Journal Year: 2024, Volume and Issue: unknown, P. 145114 - 145114

Published: Sept. 1, 2024

Language: Английский

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Exploring Hf-mediated surface engineering to enhance Co3O4/Ag2S core-shell nanorods as bifunctional electrocatalysts for water splitting reaction

Fuel, Journal Year: 2025, Volume and Issue: 392, P. 134752 - 134752

Published: Feb. 27, 2025

Language: Английский

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Hollow and Ultrathin Mo-Doped CoP Bamboo-Leaf Nanoarrays for pH-Universal Hydrogen Evolution

ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: 7(15), P. 17868 - 17876

Published: July 26, 2024

The rational design of cost-effective electrocatalysts for the hydrogen evolution reaction (HER) still remains a major challenge in continuable energy storage and conversion systems. In this study, vertically hollow ultrathin Mo-doped CoP (Mo-CoP) nanoarrays are prepared on nickel foam by hydrothermal low-temperature phosphating strategies. Mo-CoP possess bamboo-leaf structure with diameter ranging from 20 to 150 nm between top bottom length several microns. At same time, substance presents crystalline–amorphous structure. synergistic effect doping special construction can supply plentiful active sites, enhance electrolyte penetration, facilitate gas diffusion process electrocatalytic reaction. overpotentials electrode at 10 mA cm–2 as low 88.4, 78.7, 112.6 mV, Tafel slopes 87.2, 55.7, 120.3 mV dec–1 alkaline, acidic, neutral electrolytes, respectively. Moreover, catalyst also displays favorable long-term stability all pH ranges.

Language: Английский

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Integrated doped-Ru electrocatalyst with excellent H adsorption–desorption and active site on hollow tubular structures for boosting efficient hydrogen evolution

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 677, P. 1005 - 1013

Published: Aug. 22, 2024

Language: Английский

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Enhanced electrochemical performance of Nickel Oxide-Doped MXene heterostructures for advanced energy storage and conversion applications

Fuel, Journal Year: 2024, Volume and Issue: 385, P. 133916 - 133916

Published: Dec. 17, 2024

Language: Английский

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