Thermo-Electrochemical FEM and circuit simulations of Li-ion Batteries

In this paper, strategies to model thermo-electrochemical mechanisms occurring in Li-ion batteries are introduced. Two models are presented. The first consists in a numerical model suitable for finite-element method (FEM) simulations. The numerical model was validated by comparing simulation results...

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Bibliographic Details
Published in:IEEE transactions on components, packaging, and manufacturing technology (2011) packaging, and manufacturing technology (2011), 2023-08, Vol.13 (8), p.1-1
Main Authors: Catalano, Antonio Pio, Scognamillo, Ciro, Piccirillo, Francesco, Iasiello, Marcello, Guerriero, Pierluigi, Bianco, Nicola, Codecasa, Lorenzo, D'Alessandro, Vincenzo
Format: Article
Language:English
Subjects:
Behavioral sciences
Circuits
FEM simulations
Finite element analysis
Finite element method
Integrated circuit modeling
Li-ion batteries
Lithium-ion batteries
Mathematical models
nickel-manganese-cobalt technology
Numerical models
Rechargeable batteries
Simulation
Solid modeling
SPICE simulations
Temperature distribution
thermal modeling
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Summary:In this paper, strategies to model thermo-electrochemical mechanisms occurring in Li-ion batteries are introduced. Two models are presented. The first consists in a numerical model suitable for finite-element method (FEM) simulations. The numerical model was validated by comparing simulation results with experimental data. The second model concerns fast and accurate simulations in a SPICE-compatible software package; such a model is denoted as macrocircuit and accounts for the main thermo-electrochemical effects of batteries. The macrocircuit was (i) validated with FEM simulation results and (ii) proven to be effective in simulations of practical circuits based on batteries. Although both the above modeling strategies were applied on a commercial product, they are suitable for batteries in any technology.
ISSN:2156-3950
2156-3985
DOI:10.1109/TCPMT.2023.3294702