The Equivalence Circuit Model For Lithium-ion Batteries
DOI:
https://doi.org/10.59973/emjsr.110Keywords:
Equialent Circuit Model, LiB Batteries, Circuit ModelsAbstract
This study analyzes equivalent circuit models for lithium-ion batteries to simulate voltage behavior under various C-rates. Starting with a simple SOC to voltage model and progressing to Thevenin and PNGV models, it finds that more complex models perform better. Implemented in Python using Dandeliion , the study compares simulated outputs with experimental data, discussing accuracy, complexity, and computational cost. It aims to identify the simplest model that effectively captures voltage dynamics, provide suggestion based on C-rate and desired accuracy, and emphasise the validation of simplified models against experimental data.
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