A Suite of Reduced-Order Models of a Single-Layer Lithium-ion Pouch Cell
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by
Scott G. Marquis, Robert Timms, Valentin Sulzer, Colin P. Please, S. Jon Chapman
2020
Abstract
For many practical applications, fully coupled three-dimensional models
describing the behaviour of lithium-ion pouch cells are too computationally
expensive. However, owing to the small aspect ratio of typical pouch cell
designs, such models are well approximated by splitting the problem into a
model for through-cell behaviour and a model for the transverse behaviour. In
this paper, we combine different simplifications to through-cell and transverse
models to develop a hierarchy of reduced-order pouch cell models. We give a
critical numerical comparison of each of these models in both isothermal and
thermal settings, and also study their performance on realistic drive cycle
data. Finally, we make recommendations regarding model selection, taking into
account the available computational resource and the quantities of interest in
a particular study.
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