Molten Salts Strategy for the Synthesis of CoP Nanoparticles Entrapped, N,P co-Doped Mesoporous Carbons as Electrocatalysts for Hydrogen Evolution

doi:10.1007/s40242-021-1402-1

Chemical Research in Chinese Universities ›› 2022, Vol. 38 ›› Issue (1): 237-242.doi: 10.1007/s40242-021-1402-1

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Molten Salts Strategy for the Synthesis of CoP Nanoparticles Entrapped, N,P co-Doped Mesoporous Carbons as Electrocatalysts for Hydrogen Evolution

XU Jing¹, MIAO Sijia¹, TANG Duihai¹, ZHANG Wenting¹, ZHAO Zhen¹, QIAO Zhen-An²

1. Institute of Catalysis for Energy and Environment, College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang 110034, P. R. China;
2. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R. China

Received:2021-09-30 Revised:2021-10-18 Online:2022-02-01 Published:2021-10-28
Contact: QIAO Zhen-An, ZHAO Zhen, TANG Duihai E-mail:qiaozhenan@jlu.edu.cn；zhaozhen@synu.edu.cn；dtang@synu.edu.cn
Supported by:
This work was supported by the Scientific Research Fund Project of Liaoning Provincial Department of Education, China(No.LJKZ0992), the Open Project of the State Key Laboratory of Supramolecular Structure and Materials, China(No. sklssm2021034), the Engineering Technology Research Center of Catalysis for Energy and Environment, China, the Major Platform for Science and Technology of the Universities in Liaoning Province, China, the Project of the Liaoning Province Key Laboratory for Highly Efficient Conversion and Clean Utilization of Oil and Gas Resources, China, and the Project of the Engineering Research Center for Highly Efficient Conversion and Clean Use of Oil and Gas Resources of Liaoning Province, China.

Abstract

Abstract: Amolten salt process was developed to prepare CoP nanoparticles(NPs) embedded, N,P co-doped carbons with the combination of hand milling and high temperature carbonization. The characterization results implied that the as-prepared samples possessed mesoporous structures. Moreover, the mass ratios of the precursors affected the crystalline structures and the porosities of the final electrocatalysts. The as-prepared catalysts exhibited excellent electrocatalytic performances towards hydrogen evolution reaction(HER) under acidic and alkaline conditions. The as-prepared samples were designed as GxMyCoz, where x, y and z meant the amounts of glucose, melamine and CoCl₂, respectively. The optimum sample of G6.0M2.0Co5.0 showed the best HER property with a low onset overpotential and a small Tafel slope, as well as excellent electrocatalytic stability.

Key words: CoP nanoparticle, Mesopore, N,P co-doped carbon, Hydrogen evolution reaction, Molten salt

XU Jing, MIAO Sijia, TANG Duihai, ZHANG Wenting, ZHAO Zhen, QIAO Zhen-An. Molten Salts Strategy for the Synthesis of CoP Nanoparticles Entrapped, N,P co-Doped Mesoporous Carbons as Electrocatalysts for Hydrogen Evolution[J]. Chemical Research in Chinese Universities, 2022, 38(1): 237-242.

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Molten Salts Strategy for the Synthesis of CoP Nanoparticles Entrapped, N,P co-Doped Mesoporous Carbons as Electrocatalysts for Hydrogen Evolution

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