This book offers a broad overview of the current knowledge and future challenges in liquid metal batteries. It details the fundamental science of liquid metal batteries, materials for cathode and anode, various synthesis methods, and approaches to modify their properties to provide high energy and power densities, along with long life. It offers a broad overview of current research and future challenges in this exciting field. Covers materials, chemistry, and technologies for liquid metal batteries Discusses the state of the art and challenges Explains the fundamentals of electrochemical behavior of liquid metal batteries Offers insight into design and architectural aspects Provides new direction to scientists, researchers, and students to better understand the chemistry, electrochemical properties, and technologies of liquid metal batteries With chapters written by experts in energy from around the globe, this book serves as a textbook for advanced students and offers new guidelines to researchers and industries working in energy and materials engineering.