Synthesis Strategies on Supported Bimetallic Catalysts for Hydrogenation Reactions: Review and Outlook

Abstract

Catalytic hydrogenation reactions are widely utilized in the petrochemical and fine chemical industries. However, the complex activation mechanisms and adsorption/desorption behaviors associated with specific reactions impose stringent requirements on catalyst composition and structure. Supported bimetallic catalysts, which benefit from metal-metal and metal-support interactions, exhibit significant research value and potential for hydrogenation reactions. Building upon this foundation, a systematic comparison, analysis, and summary of the design strategies and synthetic methodologies of bimetallic systems can serve as a valuable reference for the development of novel catalytic materials. This review provides a comprehensive summary of bimetallic catalytic systems applied in various hydrogenation reactions over the past decade, focusing on their synthetic routes. The discussion encompasses nano-catalysts, single-atom catalysts, and the role of supports in enhancing bimetallic systems. Additionally, existing challenges in this research area are discussed, and potential directions for future research are proposed to guide advancements in bimetallic hydrogenation catalysis.