Electrochemical science deals with the analysis of chemical reactions occurring at the surface of an electrode. This text presents a selection of topics pertaining to breakthrough procedures applied in the study of electrochemical science and technologies. Elaborations on electrochemical systems along with processing of emerging materials and mechanisms applicable for their operation have been discussed. A detailed account on some of the latest advancements in electrochemical science and technology has been compiled in this book. Special attention has been paid to both the academic and experimental facets of contemporary electrochemistry. The primary emphasis of this book is on the latest progress and accomplishments in the field electrochemical science and technology.