Phosphorus–nitrogen Co-doped 3D RuCo spheres on activated carbon cloth with enhanced electrocatalytic activity for hydrogen and oxygen evolution reactions

IF 8.1 2区工程技术 Q1 CHEMISTRY, PHYSICAL

International Journal of Hydrogen Energy Pub Date : 2025-04-04 DOI:10.1016/j.ijhydene.2025.03.369

Abdulwahab Salah , Hong-Da Ren , Nabilah Al-Ansi , Adel Al-Salihy , Fahim A. Qaraah , Samah A. Mahyoub , Qasem A. Drmosh

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Abstract

Developing cost-effective and efficient electrocatalysts for the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) is crucial for advancing sustainable energy technologies. Herein, we introduce phosphorus-nitrogen (P–N) co-doped RuCo alloy nanospheres supported on 3D carbon cloth (PN–RuCo/CC) as a bifunctional electrocatalyst for HER and OER. The synergistic effects of Ru–Co alloying, P and N co-doping, and the 3D carbon cloth support significantly enhance catalytic efficiency by optimizing the electronic structure, facilitating charge redistribution, and increasing active site exposure. Consequently, PN-RuCo/CC exhibits low overpotentials of 30 mV for HER and 232 mV for OER at 10 mA cm⁻², along with excellent stability. Furthermore, when employed in a symmetric overall water-splitting (OWS) cell, it achieves 1.61 V at 10 mA cm⁻², demonstrating superior bifunctional electrocatalytic performance. These findings establish PN-RuCo/CC as a highly efficient and durable bifunctional catalyst, paving the way for its integration into advanced water-splitting and renewable energy systems.

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来源期刊

International Journal of Hydrogen Energy 工程技术-环境科学

CiteScore

13.50

自引率

25.00%

发文量

3502

审稿时长

60 days

期刊介绍： The objective of the International Journal of Hydrogen Energy is to facilitate the exchange of new ideas, technological advancements, and research findings in the field of Hydrogen Energy among scientists and engineers worldwide. This journal showcases original research, both analytical and experimental, covering various aspects of Hydrogen Energy. These include production, storage, transmission, utilization, enabling technologies, environmental impact, economic considerations, and global perspectives on hydrogen and its carriers such as NH3, CH4, alcohols, etc. The utilization aspect encompasses various methods such as thermochemical (combustion), photochemical, electrochemical (fuel cells), and nuclear conversion of hydrogen, hydrogen isotopes, and hydrogen carriers into thermal, mechanical, and electrical energies. The applications of these energies can be found in transportation (including aerospace), industrial, commercial, and residential sectors.