Atomically dispersed metallic materials (ADMMs) are the most advanced materials used in energy conversion and storage devices to improve their performance for portable electronics, electric vehicles, and stationary power stations. Atomically Dispersed Metallic Materials for Electrochemical Energy Technologies aims to facilitate research and development of ADMMs for applications in electrochemical energy devices. It provides a comprehensive description of the science and technology of ADMMs, including material selection, synthesis, characterization, and their applications in fuel cells, batteries, supercapacitors, and H2O/CO2/N2 electrolysis to encourage progress in commercialization of these clean energy technologies. Offers a comprehensive introduction to various types of ADMMs, their fabrication and characterization, and how to improve their performance Analyzes, compares, and discusses advances in different ADMMs in the application of electrochemical energy devices, including commercial requirements Describes cutting-edge methodologies in composite ADMM design, selection, and fabrication Summarizes current achievements, challenges, and future research directions Written by authors with strong academic and industry expertise, this book will be attractive to researchers and industry professionals working in the fields of materials, chemical, mechanical, and electrical engineering, as well as nanotechnology and clean energy.