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Energy Storage Devices for Electronic Systems by Nihal Kularatna

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3

Dynamics, models, and management of rechargeable batteries

Abstract

This chapter looks at popular rechargeable battery chemistries as dynamic systems. A more detailed discussion on each chemistry with electrochemistry aspects is presented without dwelling into mathematical details, but with the idea of presenting more detailed equivalent circuits useful in an electronic engineer's viewpoint. Nyquist plots for battery equivalent circuits are discussed in each case to depict the frequency behavior of the battery, and battery test procedures to estimate the simplified equivalent circuits useful to predict state of charge and state of health are also discussed in an applications viewpoint. A summary of battery communication standards and battery ...

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