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Numerical and Experimental Approach for Rectangular Cup of Li-Ion Battery Container with Extreme Aspect Ratio

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Abstract:

The main goal of this study was to develop the technique of process design and manufacturing for a rectangular deep drawn cup with very narrow width by using finite element analysis scheme and a series of experiments. The manufacturing process of this rectangular cup required several intermediate steps to generate the final shape. The multi-stage deep drawing process was applied to finite element analysis, and a continuous progressive press was employed in a series of experiments. Final specifications of the rectangular deep drawn cup were length of 33.70mm, height of 48.30mm and width of 3.46mm, respectively. In this study, finite element analysis for this drawing process was carried out from the first to the seventh stage, and a series of practical experiment was performed. These simulated results of the rectangular cup were compared with the prototypes of the experiments in view of the deformed shape in each mid-part. The results of finite element analysis showed good agreement with those from the experiments.

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Periodical:

Key Engineering Materials (Volumes 340-341)

Pages:

689-694

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.340-341.689

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Online since:

June 2007

Authors:

Tae Wan Ku, Ho Yeun Ryu, June Key Lee, Beom Soo Kang

Keywords:

Extreme Aspect Ratio, Finite Element Analysis (FEA), Lithium-Ion Battery, Multi-Stage Deep Drawing, Progressive Press, Rectangular Cup

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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