Electrochemical engineering is a significant branch of engineering which harnesses electrochemical phenomena for manufacturing substances. The material in this book discusses the latest theories and emerging technologies and applications of electrochemical engineering pertaining to topics such as energy conversion, storage, catalysis, electrochemical materials science, process engineering, physical and analytical electrochemistry, etc. For all readers who are interested in electrochemistry, the researches included in this book will serve as an excellent guide to develop a comprehensive understanding about the subject. It aims to facilitate the research in this field and contribute towards the progress of this discipline.