The long-anticipated fourth edition of Electrochemical Systems by John Newman and Nitash P. Balsara is now available.^* The fourth edition updates all of the chapters, adds content on lithium battery electrolyte characterization and polymer electrolytes, and includes a new chapter on impedance spectroscopy. Topics covered include electrochemical theories as they relate to the understanding of electrochemical systems; the foundations of thermodynamics; chemical kinetics; transport phenomena including the electrical potential and charged specials; and how to apply electrochemical principles to systems analysis and mathematical modeling.

ECS thanks Drs. John Newman and Nitash Balsara, authors of Electrochemical Systems Fourth Edition, for generously speaking with us in December 2020.

(From left to right): Dr. John Newman and Dr. Nitash P. Balsara, Photo courtesy of www.rickchapman.com

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The Journal of The Electrochemical Society (JES) Focus Issue on Mathematical Modeling of Electrochemical Systems at Multiple Scales in Honor of John Newman is now available online, with 72 open access papers published in the ECS Digital Library.

“This focus issue of the Journal of The Electrochemical Society is devoted to the mathematical modeling of electrochemical systems across multiple scales,” the authors say in the focus issue’s preface. “It is dedicated to the work of Professor John Newman from UC Berkeley, who helped establish the field of modeling of electrochemical systems, and is aligned with a previous focus issue and regular symposium on multiscale modeling for electrochemical systems at ECS biannual meetings.”

Newman is a renowned battery researcher and developer of “The Newman Method” — a sophisticated approach to mathematically analyzing complex electrochemical problems. He clarified the physicochemical laws that govern the behavior of electrochemical systems and demonstrated how to use these laws to correctly formulate and solve problems associated with batteries, fuel cells, electrolyzers, and related technologies. He is the author of the book Electrochemical Systems.

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