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Modeling and Simulation of Lithium-Ion Battery Pack Using Modified Battery Cell Model
Meilisa Dewi Kharisma (a*), Arinata Fatchun Ilmiawan (b), Saiful Rizal (b), Muhammad Ridwan (b), Ferdaus Ario Nurman (b)

a) Engineering Physics, Bandung Institute of Technology
Ganesha 10, Bandung 40132, Indonesia
b) Technology Development, PT LEN
Soekarno-Hatta 442, Bandung 40254, Indonesia


The equivalent circuit of lithium-ion battery cell has been presented in some research to model a state of charge (SOC) and battery cell electrical behaviour. The equivalent circuit was built from an open circuit voltage, two resistor-capasitor parallel networks, and a series internal resistance. In several application, some battery cells are connected in series-parallel configuration to produce a battery pack with specified voltage and capacity. In this paper, a modified battery cell model is used to represent the battery pack dynamics. The battery pack is assumed to be balanced on both series and parallel side. The model then validated by comparing simulation results between battery pack model and battery cells that connected in series-parallel configuration. Simulation results shows small difference between the two models.

Keywords: Lithium-ion battery, Battery pack model, Battery cell model, State of charge, Parallel-Seri configuration

Topic: Battery Technology and Management System


Conference: The 6th International Conference on Electric Vehicular Technology (ICEVT 2019)

Plain Format | Corresponding Author (Meilisa Dewi Kharisma)

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