查看更多>>摘要:By a News Reporter-Staff News Editor at Robotics & Machine Learning DailyNews Daily News – New research on Machine Learning is th e subject of a report. According to newsoriginating from Beijing, People’s Repu blic of China, by NewsRx correspondents, research stated, “Themost widely used catalyst for the hydrogen evolution reaction (HER) is Pt, but the high cost and lowabundance of Pt need to be urgently addressed. Single-atom catalysts (SACs) have been an effectivemeans of improving the utilization of Pt atoms.”Our news journalists obtained a quote from the research from the University of S cience and TechnologyBeijing, “In this work, we used a nonmetal (NM = B, N, O, F, Si, P, S, Cl, As, Se, Br, Te, and I) dopedb-MoC (100) C-termination surface as the support, with Pt atoms dispersed on the support surface toconstruct Pt@N M-MoC. Using density functional theory (DFT) calculations, we selected catalysts withexcellent HER activity. Among 117 candidate catalysts, 49 catalysts exhibi ted ideal catalytic performancewith Gibbs free energy of hydrogen intermediate (H*) adsorption (D) values less than 0.2 eV. The D valuesof 16 catalysts were e ven lower than that of Pt (D 0.09 eV), with Pt@N-MoC demonstrating the best performance (D = -0.01 eV). Combined with electronic structure analysis, we could un derstand the impactof charge transfer between Pt and the underlying NM atoms on the strength of the Pt-H bond, therebypromoting HER activity.”