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Editors’ Choice—Perspective—Challenges in Moving to Multiscale Battery Models: Where Electrochemistry Meets and Demands More from Math

Author(s)
Shah, Krishna; Subramaniam, Akshay; Mishra, Lubhani; Jang, Taejin; Bazant, Martin Z; Braatz, Richard D; Subramanian, Venkat R; ... Show more Show less
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Abstract
© 2020 The Author(s). There has been significant recent interest in studying multiscale characteristics of current and next-generation batteries, including lithium-metal and lithium-sulfur batteries. Advances in computing power make researchers believe that the detailed multiscale models can be efficiently simulated to arrive at the insights for the degradation and performance loss; however, this is not true and special attention needs to be paid to local singularities, boundary layers, moving boundaries, etc. This article presents 2D examples that illustrate the importance of grid convergence studies, provides well-defined detailed models to test the efficiency of numerical schemes, and discusses the associated simulation challenges.
Date issued
2020
URI
https://hdl.handle.net/1721.1/135293
Department
Massachusetts Institute of Technology. Department of Chemical Engineering
Journal
Journal of The Electrochemical Society
Publisher
The Electrochemical Society

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