Microwave Phosphine‐Plasma‐Assisted Ultrafast Synthesis of Halogen‐Doped Ru/RuP2 with Surface Intermediate Adsorption Modulation for Efficient Alkaline Hydrogen Evolution Reaction
Source abstract
Abstract
Abstract Anionic modification engineering is a crucial approach to develop highly efficient electrocatalysts for hydrogen evolution reaction. Herein, halogen elements (X = Cl, Br, and I)‐modified Ru‐based nanosheets (X‐Ru/RuP2) are designed by rapid and eco‐friendly microwave‐phosphide plasma approach within 60 s. Experimental and density functional theory calculations verify that the introduced halogen element, especially Br, can optimize the surface intermediates adsorption. Specially, the designed Br‐Ru/RuP2 favors the water dissociation and following hydrogen adsorption/desorption process. Then, the as‐synthesized Br‐Ru/RuP2 exhibits low overpotential of 34 mV to reach 10 mA cm−2 coupled with small Tafel slope of 27 mV dec−1 in alkaline electrolyte with excellent long‐term stability. Moreover, the electrocatalytic performances in acid and neutral media are also boosted via Br element modification. This work paves a novel way to regulate the electronic structure of Ru‐based compounds, and then can boost the electrocatalytic kinetics.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Electrocatalysts for Energy Conversion · Advanced battery technologies research · Advanced Photocatalysis Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Laboratory of Eco‐chemical Engineering Ministry of Education International Science and Technology Cooperation Base of Eco‐chemical Engineering and Green Manufacturing College of Chemistry and Molecular Engineering Qingdao University of Science & Technology 53 Zhengzhou Road Qingdao 266042 P. R. China
College of Materials Science and Engineering Key Laboratory of Polymer Material Advanced Manufacturing's Technology of Shandong Province Qingdao University of Science & Technology 53 Zhengzhou Road Qingdao 266042 P. R. China
School of Environmental Science and Engineering Suzhou University of Science and Technology Suzhou 215009 P. R. China
College of Science Nanjing Forestry University Nanjing 210037 P. R. China
School of Science STEM College RMIT University Melbourne VIC 3001 Australia
Funding
National Natural Science Foundation of China · China Postdoctoral Science Foundation · Postdoctoral Innovation Project of Shandong Province
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