Cell-to-cell heterogeneity investigation of a Li-ion parallel-connected battery pack

PI: Simona Onori, Energy Resources Engineering

Postdoctoral Scholar: Anirudh Allam

Large-scale battery packs are composed of numerous interconnected cells characterized by electrical and thermal interactions. Efficient usage of such battery packs requires estimation and control algorithms that can account for the heterogeneities between cells and the large thermal and aging dissimilarities that can be exacerbated, for example under fast charging conditions. This research is aimed at modeling the complex explicit and implicit interactions between cells in a large battery pack through the use of electrochemistry, machine learning, and an experimental campaign.