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Structural Design of a Li-Ion Battery Slitting Machine for the Improved Stability  

Lee, Tae Hoon (Graduate School, Kumoh National Institute of Technology)
Ro, Seung Hoon (Dept. of Mechanical System Engineering, Kumoh National Institute of Technology)
Yoon, Hyun Jin (Dept. of Mechanical System Engineering, Kumoh National Institute of Technology)
Kim, Young Jo (Dept. of Mechanical Engineering, Gumi University)
Kim, Geon Hyeong (With co.)
Kim, Dong Wook (Agency for Defense Development)
Publication Information
Journal of the Semiconductor & Display Technology / v.17, no.3, 2018 , pp. 46-52 More about this Journal
Abstract
Slitting, which is supposed to be one of the most critical processes in Li-Ion battery manufacturing, is supposed to cut off the uncoated parts of the foil, and cut the wide foils into the size of the Li-ion batteries. Vibrations of slitting machines are the most critical factors for uneven cut surface such as surface roughness and burr, which are the main reasons of the tearing of microporous membranes to separate the cathodes and the anodes, and eventually causing explosion of the batteries. In this study, the structure of a slitting machine has been analyzed through computer simulations to figure out the main reasons of the vibrations. The result of the study shows that simple design alterations of the supporting area and roller without modifying the main structure of the machine can suppress the vibrations effectively, and further to prevent the devastating explosion.
Keywords
Li-Ion Battery; Slitting Machine; Design alterations; Improved stability; Explosion;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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