Preparation of N-dopel Ni and Co-based phosphides and their eletrocatalytic hydrogen evolution performance

Journal of Lanzhou University of Technology ›› 2026, Vol. 52 ›› Issue (2): 16-21.

• Materials Science and Engineering • Previous Articles Next Articles

Preparation of N-dopel Ni and Co-based phosphides and their eletrocatalytic hydrogen evolution performance

ZHOU Qi^1,2, JIA Jin-jin², FENG Chen-chen^1,2, SU Wen-xiao²

1. State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China;
2. School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China

Received:2024-07-04 Online:2026-04-28 Published:2026-04-28

Abstract

Abstract: The catalytic activity of catalyst mainly depends on the intrinsic activity of the active site and the number of active sites. The Ar/H₂ heat treatment method was used to mix N with melamine (C₃H₃N₆) as the N source, and the optimal preparation process was determined by adjusting the volume fraction of H₂ and the amount of C₃H₃N₆. The nanoporous NiCoP/Ni₁₂P₅ composite electrode was successfully fabricated accompanied by the generation of abundant nitrogen vacancies. The sample 2HN1.5-NCFPthat the volume fraction of H₂ is 20% and C₃H₃N₆ is 1.5% has the best electrocatalytic activity, with a hydrogen evolution overpotential of 65.7mV and a Tafel slope of 67.3 mV/dec at a current density of 10 mA/cm².

Key words: nanoporous, N doping, hydrogen evolution property

CLC Number:

TQ064

ZHOU Qi, JIA Jin-jin, FENG Chen-chen, SU Wen-xiao. Preparation of N-dopel Ni and Co-based phosphides and their eletrocatalytic hydrogen evolution performance[J]. Journal of Lanzhou University of Technology, 2026, 52(2): 16-21.

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Preparation of N-dopel Ni and Co-based phosphides and their eletrocatalytic hydrogen evolution performance

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[1]	ZHOU Qi, DUAN De-dong, ZHENG Cheng. Preparation of nanoporous Ni and its electrocatalytic activity for hydrogen evolution [J]. Journal of Lanzhou University of Technology, 2020, 46(3): 7-12.
[2]	ZHANG Qing-tang, BAI Yong-bao, LI Meng. Nitrogen doping of tubular hard carbon as conjugate microporous polymer and its lithium storage performance [J]. Journal of Lanzhou University of Technology, 2020, 46(1): 71-76.