Energy Storage Devices for Electronic Systems

1

Energy storage devices—a general overview

Abstract

This chapter provides a quick and essential revision on simple fundamentals applicable to energy storage devices (ESDs). Device equivalent circuits, time constants, and requirements for maximum power transfer are discussed with an introduction to Ragone plots. Different types of ESDs are introduced in relation to state of the art.

Keywords

Fundamentals

Electrochemical storage devices

Supercapacitors

Energy density

Power density

Ragone plot

1.1 Introduction

From the invention of the transistor in late 1940s, electronic products and systems have become an essential part of the modern world with interconnected global communication systems, intelligent white goods, electronic subsystem dominated ...