As of this writing, lithium-ion (Li-Ion) cells have been the workhorse of small batteries for consumer products (such as cell phones and laptop computers) and are now starting to supplant lead-acid batteries and NiMH cells in large packs for applications such as vehicle traction packs and land-based distributed energy storage.Compared to other chemistries , Li-Ion cells perform wonderfully, but only if treated well; hence, they require an effective battery management system (BMS).This book is intended as an aid to the engineer or manager tasked with selecting,specifying, designing, deploying, or using a battery management system (BMS) for a large Li-Ion battery pack.Over the past 6 years, while developing a few BMSs for large battery packsusing Li-Ion cells, I have accumulated some understanding about their requirements, challenges, and solutions. I have shared some of that knowledge by giving talks, publishing white papers, and answering inquiries. With this book I hope to be able to share that knowledge in an organized and comprehensive way. I am fully aware of the fact that my understanding on this subject, while extensive, is by no means complete, making me dread the thought of committing to paper certain incorrect statements. For that I apologize, and ask you to please contact me at http://book.LiIonBMS.com, to correct me, so I may include clarifications and corrections in an online errata sheet, published on that same site.This book is about control systems and electronics, and not about chemistry:cells are seen as black boxes and only in terms of their equivalent electrical circuit.In general, it is written for the reader with a basic understanding of physics and technology; Chapter 5 is intended for a reader with a good understanding of electronics and software algorithms.
This book is divided into six chapters, starting from general concepts, and then progressively getting into deeper, more practical details.
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