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.
翻译:在这一贡献中,我们为对称锂离子电池提出了一个新的建模和模拟框架。我们首先在非平衡热动力学的基础上为比较一般性的中间电池生成一个新的连续式模型。为了有效地评估由此产生的局部差分方程非线性参数化非线性系统,采用了减少基数法。降低基数法是一种基于近似正心分解法的递增等级和实证操作者内插法的减少命令技术模型。模型框架特别适合于调查和量化电池电池的降解效应。提供了若干数字实验,以证明模型框架的范围和效率。