Chapter 9

Rechargeable Batteries and Their Management

9.1 Introduction

The insatiable demand for smaller, lightweight portable electronic equipment has dramatically increased the need for research on rechargeable (or secondary) battery chemistries. In addition to achieving improved performance on lead acid and nickel cadmium (NiCd) batteries, during the last decade, many new chemistries such as nickel metal hydride (NiMH), lithium ion (Li-ion), rechargeable alkaline, silver-zinc, zinc-air, lithium polymer, and the like have been introduced.

Higher energy density, superior cycle life, environmental friendliness, and safe operation are among the general design targets of battery manufacturers. To complement these developments many semiconductor manufacturers ...

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