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Updated: Aug 24, 2025
Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production
Published on: December 6, 2021
Ni3N/Co4N nanosheet heterojunction electrocatalyst for hydrogen evolution reaction in alkaline fresh water/simulated
Lixin Zhang1,2, Hao Wei2, Hongfang Jiu2
1Shanxi Key Laboratory of High Performance Battery Materials and Devices, North University of China, Taiyuan, 030051, People's Republic of China.
Abstract:
Ni3N/Co4N nanosheet arrays on nickel foam were fabricated by using simple hydrothermal and nitriding two-step strategies. Their excellent performance is due to the synergistic effect between Ni3N and Co4N, the sufficient exposed active spots and the overall interaction of the three-dimensional cross-linking network formed by the nanosheet arrays and the porous nickel foam. Ni3N/Co4N exhibits high hydrogen evolution reaction activity. To yield a current density of 10 mA cm-2, Ni3N/Co4N requires overpotentials of 58 and 85 mV in alkaline fresh water and simulated seawater, respectively. This work provides new understanding of developing feasible heterostructured electrocatalysts based on transition metal nitrides.
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