논문 국내 국내전문학술지(KCI급) 파우치 필름의 열융착강도 연구
- 학술지 구분 국내전문학술지(KCI급)
- 게재년월 2017-09
- 저자명 김동수, 배성우, 김도현, 조정민, 유민숙
- 발행처명 한국정밀공학회지
- 발행국가 국내
- 논문언어 한국어
- 전체저자수 5
홈페이지논문 초록 (Abstract)
The heat-sealing strength of pouch film greatly affects the reliability of the lithium ion secondary battery. In this paper, the researchers investigated and evaluated the properties of the heat-sealing strength of pouch film, such as heat, pressure, time, thickness of the heat-seal, and the polypropylene material. The heat-sealing strength showed a high value at 180oC for 3 seconds. However, under the conditions of higher temperatures and longer times, deformation and bulging of polypropylene were observed. The heat-sealing strength tended to increase when decreasing heat-seal thickness. The heat-sealing strength varied according to the type of polypropylene. In addition, to avoid defects that may have occurred in the process of manufacturing the lithium ion secondary battery, the heat-sealing strength in the state where the impurities remained was evaluated.