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http://dx.doi.org/10.7736/KSPE.2016.33.3.231

Study of Adhesion according to Various Surface Treatments for Lithium Ion Secondary Battery Pouch Film  

Kim, Do Hyun (Laboratory Institute, Topnc Co., Ltd.)
Bae, Sung Woo (Laboratory Institute, Topnc Co., Ltd.)
Cho, Jung Min (Laboratory Institute, Topnc Co., Ltd.)
Yoo, Min Sook (Department of Creative-Convergence Engineering, Hanbat National University)
Kim, Dong Soo (Department of Creative-Convergence Engineering, Hanbat National University)
Publication Information
Journal of the Korean Society for Precision Engineering / v.33, no.3, 2016 , pp. 231-234 More about this Journal
Abstract
Pouch film is manufactured by laminating aluminum foil, polyamide film and polypropylene film with an adhesive or extrusion resin. However, a surface treatment is required for the aluminum because bonding does not occur easily between the aluminum foil and the polymer film. Thus, for this study, surface treatment experiments were performed in order to confirm the effect on adhesion strength. First, a variety of surface treatment solutions were coated on aluminum foil, and contact angle and surface morphology analysis was carried out for the surface-treated aluminum. For lamination of the surface-treated aluminum foil with polyamide film, a polyurethane base adhesive was prepared for the adhesive strength test specimens. The adhesive strength between the aluminum foil and the polyamide film of the resulting specimens was measured (UTM). With such an experiment, it was possible to evaluate the effect on adhesive strength of the various surface treatments.
Keywords
Lithium ion battery; Pouch film; Surface treatment; Lamination; Adhesive strength;
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