The Handbook of Metal Alloy Catalysts offers a thorough and up-to-date exploration of advancements in both traditional metal alloys and innovative high-entropy alloy catalytic materials. It highlights the tunable properties of these materials—achieved through nanoscale reduction, shape control, compositional adjustments, and interface engineering—that optimize electronic structures, electrical conductivity, optical characteristics, and surface adsorption energies, ultimately enhancing catalytic activity and selectivity. The book delves into key applications, including photocatalysis, electrocatalysis, and heterogeneous catalysis, while emphasizing material design, synthesis methodologies, and the critical interplay between structural features and catalytic performance. Key Features:Introduces metal alloy catalytic materials from fundamental to design principles, synthesis, and structure characterization. Covers machine learning in the context of metal alloy catalytic materials design and applications. Presents metal alloy catalysts in the production of renewable solar fuels. Covers topics in chemical conversions, including fossil and biomass chemical derivatives. Includes energy conversion and storage such as batteries, supercapacitors, and solar cells. Discusses environmental remediation of organic, inorganic, and gaseous pollutants. This book targets postgraduate students, academics, and industry professionals in advanced metal alloy composite catalysts, promoting sustainable technologies in crucial areas such as energy, chemical conversion, and environmental remediation.