A Modeling Framework for Efficient Reduced Order Simulations of Parametrized Lithium-Ion Battery Cells

TL;DR

This paper introduces a new modeling and simulation framework for parametrized Lithium-ion battery cells, combining a continuum model with reduced basis methods for efficient analysis and degradation quantification.

Contribution

A novel continuum model for intercalation battery cells coupled with an efficient reduced basis approach for parameterized simulations.

Findings

Demonstrated efficiency of the reduced basis method in simulations

Enabled quantification of battery degradation effects

Validated the framework with numerical experiments

Abstract

In this contribution we present a new modeling and simulation framework for parametrized Lithium-ion battery cells. We first derive a new continuum model for a rather general intercalation battery cell on the basis of non-equilibrium thermodynamics. In order to efficiently evaluate the resulting parameterized non-linear system of partial differential equations the reduced basis method is employed. The reduced basis method is a model order reduction technique on the basis of an incremental hierarchical approximate proper orthogonal decomposition approach and empirical operator interpolation. The modeling framework is particularly well suited to investigate and quantify degradation effects of battery cells. Several numerical experiments are given to demonstrate the scope and efficiency of the modeling framework.