International Journal of Hydrogen Energy· 2026Q1
Designing Ni3N/CDTs heterostructure for superior alkaline electrochemical activity: Insights from theory to experiment
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- Q1SCImago
- 2026year
Short summary
A novel Ni3N/CDTs heterostructure synthesized via hydrothermal method exhibits exceptional oxygen evolution reaction (OER) kinetics in alkaline media, requiring only 218 mV overpotential at 10 mA cm−2.
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Key points
- Synthesized Ni3N/CDTs heterostructure via hydrothermal method for OER.
- Achieved a low overpotential of 218 mV at 10 mA cm−2 for OER.
- Exhibited a Tafel slope of 30 mV/dec and a turnover frequency (TOF) of 0.43 s−1.
- Interfacial electron redistribution and active sites enhance intermediate binding energy.
- Offers a cost-effective alternative to noble-metal electrocatalysts.
AI-generated from the title and abstract; the full text is not read.
Abstract
The creation of efficient oxygen evolution reaction (OER) electrocatalyst are vital for hydrogen energy sustainability. Here, Ni 3 N/CDTs has been synthesized through hydrothermal method that unveils enhanced conductivity, better electronic structure, having greater number of active sites which led towards exceptional OER kinetics. Ni 3 N/CDTs displays an outstandingly minimal overpotential of 218 mV at a benchmark current density of 10 mA cm 2 for OER. A modest Tafel value around 30 mV/dec and a higher turnover frequency (TOF) of 0.43 s −1 for OER indicate a breakthrough in electrocatalytic activity, and faster reaction kinetics have been observed in this scenario. The interaction resulting from interfacial electron redistribution and the presence of several active sites significantly enhances the optimization of surface binding energy for various intermediates, as evidenced by our experimental findings and theoretical computations. This research can enhance the electron-transfer mechanism by providing new cost-effective ways that are alternative to noble-metal-based electrocatalysts.
The authors' abstract, as published at the source. International Journal of Hydrogen Energy, 2026 · DOI ↗
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Field: Renewable Energy, Sustainability and the Environment
Renewable Energy, Sustainability and the EnvironmentEnergy