Energy Storage: Systems and Components

Alfred Rufer

November 6, 2017 by CRC Press
Reference - 274 Pages - 41 Color & 197 B/W Illustrations
ISBN 9781138082625 - CAT# K34501


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  • Contains a comprehensive description and comparison of different energy storage techniques and the limitations of the current technologies as they relate to future research efforts and technology developments.
  • Incorporates Ragone plots to clearly show the link between the amount of energy that can be stored/recovered and its dependency on the transfer power level.
  • Presents energy storage technologies, system performance and property aspects, and basic definitions of energy storage.
  • Includes exercises to further solidify the knowledge and demonstrate applications.


This book will provide the technical community with an overview of the development of new solutions and products that address key topics, including electric/hybrid vehicles, ultrafast battery charging, smart grids, renewable energy (e.g., solar and wind), peak shaving, and reduction of energy consumption. The needs for storage discussed are within the context of changes between the centralized power generation of today and the distributed utility of tomorrow, including the integration of renewable energy sources.

Throughout the book, methods for quantitative and qualitative comparison of energy storage means are presented through their energy capacity as well as through their power capability for different applications. The definitions and symbols for energy density and power density are given and relate to the volume and weight of a given system or component. A relatively underdeveloped concept that is crucial to this text is known as the theory of Ragone plots. This theory makes possible the evaluation of the real amount of energy that can possibly release out of a given system, with respect to the level of power dependency chosen for the discharge process.

From systems using electrochemical transformations, to classical battery energy storage elements and so-called flow batteries, to fuel cells and hydrogen storage, this book further investigates storage systems based on physical principles (e.g., gravitational potential forces, air compression, and rotational kinetic energy). This text also examines purely electrical systems such as superconductive magnets and capacitors. Another subject of analysis is the presentation of power electronic circuits and architectures that are needed for continuously controllable power flow to and from different storage means. For all systems described, the elementary principles of operation are given as well as the relationships for the quantified storage of energy. Finally, Energy Storage: Systems and Components contains multiple international case studies and a rich set of exercises that serve both students and practicing engineers.