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18650 리튬이온 배터리의 열남용 조건으로 유도된 열폭주 특성

Thermal Runaway Characteristics Induced by Heat Abuse Conditions in 18650 Li-ion Batteries

Journal of the Korean Society for Precision Engineering 2023;40(10):821-827.
Published online: September 30, 2023

1 창원대학교 기계공학부

1 School of Mechanical Engineering, Changwon National University

2 School of Engineering & Physical Sciences, Heriot-Watt University

#E-mail: heesungpark@changwon.ac.kr, TEL: +82-55-213-3609
• Received: December 7, 2022   • Revised: June 14, 2023   • Accepted: August 2, 2023

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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  • An Experimental Study on the Thermal Runaway Characteristics of Single and Multiple Lithium-Ion Cells
    Ho-Sik Han, Gyu-Hwan Cho, Hong-Seok Yun
    Fire Science and Engineering.2025; 39(5): 13.     CrossRef

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Thermal Runaway Characteristics Induced by Heat Abuse Conditions in 18650 Li-ion Batteries
J. Korean Soc. Precis. Eng.. 2023;40(10):821-827.   Published online October 1, 2023
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Thermal Runaway Characteristics Induced by Heat Abuse Conditions in 18650 Li-ion Batteries
J. Korean Soc. Precis. Eng.. 2023;40(10):821-827.   Published online October 1, 2023
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Thermal Runaway Characteristics Induced by Heat Abuse Conditions in 18650 Li-ion Batteries
Image Image Image Image Image Image Image Image
Fig. 1 Photo of 18650 cell used for induced thermal runaway experiment
Fig. 2 Lithium-ion battery open circuit voltage and weight loss ratio after thermal runaway
Fig. 3 (a) The structure and dimensions of the test section, (b) the flow field of the heat sink shown in volume, (c) an overview of numbering by location of thermocouples located on the bottom of the microchannel
Fig. 4 Temperature of the cell surface during heating-induced thermal runaway, (a) 5% SOC, (b) 40% SOC, (c) 80% SOC
Fig. 5 Description of the phenomenological stages of battery thermal runaway for 80% SOC 18650 cell
Fig. 6 Visualization of gases emitted from the ventilation phase during thermal runaway by SOC (a) 5%, (b) 40% and (c) 80%
Fig. 7 Visualization of gas emitted during internal short circuit during thermal runaway step of SOC 40% 18650 cell
Fig. 8 Visualization of gas and flame emitted during internal short circuit during thermal runaway step of SOC 80% 18650 cell
Thermal Runaway Characteristics Induced by Heat Abuse Conditions in 18650 Li-ion Batteries