Phosphorus-Rich Ruthenium Phosphide Embedded on a 3D Porous Dual-Doped Graphitic Carbon for Hydrogen Evolution Reaction

被引：2
作者：
Anouar, Aicha [1 ,2 ]
Domenech-Carbo, Antonio [3 ]
Garcia, Hermenegildo [2 ]
机构：
[1] EuroMed Univ Fes UEMF, Euromed Res Inst, Engn Div, Fes 30070, Morocco
[2] Univ Politecn Valencia, Inst Tecnol Quim CSIC UPV, Dept Quim UPV, Av Naranjos S-N, Valencia 46022, Spain
[3] Univ Valencia, Dept Quim Analit, Dr Moliner 50, Valencia 46100, Spain
来源：
NANOMATERIALS | 2022年 / 12卷 / 20期
关键词：
ruthenium electrocatalysts; metal phosphides; ruthenium diphosphide; dual-doped graphitic carbon; hydrogen evolution reaction; INDEPENDENT ELECTRODE-POTENTIALS; ALUMINUM-OXIDE FILMS; FOSSIL-FUELS; PH; ELECTROCATALYSTS; ADSORPTION; DIFFUSION; EFFICIENT; CATALYSTS; CHITOSAN;
D O I：
10.3390/nano12203597
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Metal phosphides have recently emerged as promising electrocatalysts for hydrogen evolution reaction (HER). Herein, we report the synthesis of ruthenium diphosphide embedded on a dual-doped graphitic carbon by pyrolyzing chitosan beads impregnated with ruthenium chloride and phosphorus pentoxide. The as-synthesized RuP2@N-P-C displays a good electrocatalytic activity in acidic, neutral and alkaline media. We show that the HER activity of the electrocatalyst can be tuned by varying the concentration of Li+ cations. Co-diffusion effects on H+ exerted by Li+ on HER in the porous carbon matrix have been observed.
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页数：15
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