MXene-Supported Ru-Ni: A Common Active Site for Hydrolysis, Hydrogen Oxidation, and Hydrogenation
Shuyan Guan1,2,3, Yanyan Liu1,4, Shuling Liu1
1College of Chemistry, Zhengzhou University, 100 Science Road, Zhengzhou, 450001, P.R. China.
Abstract:
Insights into the activation and conversion of hydrogen using a single-mode catalyst are crucial for advancing fuels and fine chemical production. In this paper, the activation and conversion of H2 molecules in hydrogen production and application were investigated on RuM (M = Ni, Co, Cu, Fe)-MXene catalysts. RuM (M = Ni, Co, Cu, Fe) bimetallic nanoclusters were uniformly distributed on Ti3C2 MXene. The optimal Ru2.5Ni2.5-Ti3C2 exhibits the highest turnover frequency (TOF) value of 1833 min-1 toward ammonia borane (AB, NH3BH3) hydrolysis. Meanwhile, the catalysts also showed good catalytic activity in hydrogen oxidation reaction (HOR) and phenylacetylene hydrogenation. The high activity originates from the acceleration of the catalytic process by RuNi clusters-Ti3C2 and the promotion of H2 molecular transport by the special interface of RuNi cluster-MXene. The RuNi clusters-Ti3C2 with multisites provide a dependable platform for the regulated activation and conversion of H2 molecules and various reaction intermediates. The competitiveness of nanocluster-MXene catalytic material is showcased for activation and conversion of hydrogen. This research of reaction-inducing adaptation uncovered the pathway to explore multifunctional catalysts in energy, chemistry, and materials applications.
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