One-Step Electrodeposition of NiMoP/NF as an Efficient and Cost-Effective Cathodic Electrocatalyst for Alkaline Water Electrolysis

被引:10
作者
Luo, Xiaoyang [1 ]
Wang, Lida [1 ,2 ]
Sun, Wen [1 ,2 ]
Yang, Zhengqing [1 ]
Zhang, Piji [1 ]
Chen, Xu [1 ]
Liu, Guichang [1 ,2 ]
机构
[1] Dalian Univ Technol, Sch Chem Engn, Dalian 116024, Peoples R China
[2] Dalian Inst Technol Xinjiang Res Inst Co, Urumqi 830011, Peoples R China
基金
中国国家自然科学基金;
关键词
HYDROGEN EVOLUTION REACTION; CARBON NANOTUBES; NI; NANOPARTICLES; PHOSPHIDE;
D O I
10.1021/acs.iecr.3c00803
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Thedevelopment of electrocatalysts that have long-term stabilityunder large current density is very crucial for hydrogen productionvia alkaline water electrolysis. In this paper, a novel ternary nonpreciousmetal catalyst NiMoP on nickel foam (NF) was prepared via an in situ one-step method. The overpotential of NiMoP/NF forhydrogen evolution reaction (HER) in 1 M KOH reaches only 34 and 135mV at a current density of 10 and 100 mA cm(-2), respectively.And the overpotential for HER only rose by 6 mV after 100 h of chronopotentiometry(CP) for HER in 1 M KOH. Its efficient and stable HER performancedepends on the synergistic effect of Ni, Mo, and P elements in theelectrode and a large electrochemical surface area which the uniquecrack structure obtained by adjusting the content of Mo provides.The cheap NiMoP/NF material has great potential for application incommercial alkaline water electrolysis hydrogen production.
引用
收藏
页码:10454 / 10466
页数:13
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