Simulation research on thermal processes in lithium-ion batteries
Số 2 (94) 2026
Đỗ Tiến Quyết, Phùng Đức Hải Anh, Phạm Thị Hoan
Tạp chí NCKH - ĐH Sao Đỏ
2026/06/01

This paper presents a coupled electro-thermal model for lithium-ion battery packs using a four-RC equivalent circuit model and a lumped thermal network. A 2S4P pack of Panasonic NCR18650PF cells is simulated under CCCV charging and a Dynamic Stress Test cycle. The results show that the maximum cell temperature remains below 32°C, the average temperature ranges from 24°C to 25.5°C, and the temperature difference between cells stays within 1°C. The proposed model is effective and computationally efficient for battery thermal analysis and pack design.

Lithium-ion battery; electro-thermal modeling; equivalent circuit model; lumped thermal model
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