Analysis of Aging in Lithium-ion Batteries: Fundamental Modeling and Parameter Investigation

Lithium-ion batteries play a pivotal role in modern energy storage, offering high power, specific energy, and volumetric density, thereby establishing themselves as an eco-friendly alternative for diverse applications. As the demand for these batteries continues to grow, a comprehensive understanding of their intricate mechanisms becomes imperative. This study delves into the fundamental modeling of lithium-ion batteries, elucidating electrochemical processes and addressing aging complexities. Empirical models for Lithium-ion batteries, such as equivalent circuit models and open circuit voltage models, stand out for their real-time applications. Though these data-driven models achieve high accuracy and require low effort, their lack of explainability poses a limitation. Consequently, to comprehend the intricacies of batteries, it is essential to analyze the plausible causality inherent i…