V‐Doping Strategy Induces the Construction of the Functionally Complementary Ru2P/V‐RuP4 Heterostructures to Achieve Amperometric Current Density for HER
Source abstract
Abstract
Abstract It is a great challenge to induce the formation of the RuP4 phase and realize the construction of a metal‐rich phase/phosphorus‐rich phase‐ruthenium phosphide heterostructure by directional regulation of the proportion of P and metal atoms. The ultra‐high conductivity of Ru2P and the excellent ability of V‐doped RuP4 to absorb/desorb H* are confirmed by density functional theory (DFT) calculations, which laid a theoretical foundation for the construction of a unique Ru2P/V‐RuP4 structure to accelerate HER reaction kinetics. This work innovatively uses the V‐doping strategy to induce the formation of RuP4 phase with high intrinsic activity, and finally construct V‐RuxPy nanosheets with rich Ru/Ru2P/V‐RuP4 heterostructures. Thanks to the rich Ru/Ru2P/V‐RuP4 heterostructure and the optimization of V dopants, the V‐RuxPy catalyst only needs 180 mV to obtain an industrial‐grade current density of 1 A cm−2. In summary, this work provides a new idea for the design and performance optimization of ruthenium‐based catalysts.
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Research context
OpenAlex topics: Electrocatalysts for Energy Conversion · Advancements in Battery Materials · Advanced Memory and Neural Computing
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 Qingdao University of Science and Technology Qingdao 266042 P. R. China
College of Chemistry and Molecular Engineering Qingdao University of Science and Technology Qingdao 266042 P. R. China
Shandong Engineering Research Center for Marine Environment Corrosion and Safety Protection College of Environment and Safety Engineering Qingdao University of Science and Technology Qingdao 266042 P. R. China
Funding
National Natural Science Foundation of China · Major Scientific and Technological Innovation Project of Shandong Province · Postdoctoral Innovation Project of Shandong Province
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