Energy is traditionally associated with its collection and conversion, as well as its distribution and consumption. As the production of energy from intermittent renewable sources, such as solar and wind, increases in the context of achieving climate neutrality, so do the needs for energy storage in terms of the amount of stored energy and the required storage time. As depicted on the book's cover, energy storage is an emerging scientific and technologically applied field that interconnects the main activities of energy collection, distribution, and consumption.

This book presents the basic concepts and operating principles of the main methods of energy conversion and storage in various forms, such as thermal, mechanical, electrical, electrochemical, and chemical. To provide a more comprehensive understanding of the different energy storage technologies, the book contains many useful and explanatory examples, problems, and solutions. The book is intended for senior undergraduate students, graduate students, professional engineers, and scientists active in the energy sector, as well as for doctoral students with the necessary scientific background who wish to gain a more complete understanding of these processes from an engineering perspective.