Invention Grant
- Patent Title: Separator having having high tensile strength, manufacturing method therefor, and secondary battery including same
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Application No.: US14771378Application Date: 2014-02-28
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Publication No.: US10700329B2Publication Date: 2020-06-30
- Inventor: Kee Wook Kim , Sang Ho Lee , Jung Seong Lee , Jun Ho Chung , Jae Hyun Cho
- Applicant: SAMSUNG SDI CO., LTD.
- Applicant Address: KR Yongin-si, Gyeonggi-do
- Assignee: Samsung SDI Co., Ltd.
- Current Assignee: Samsung SDI Co., Ltd.
- Current Assignee Address: KR Yongin-si, Gyeonggi-do
- Agency: Lee IP Law, PC
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@20c76082
- International Application: PCT/KR2014/001707 WO 20140228
- International Announcement: WO2014/133371 WO 20140904
- Main IPC: H01M2/16
- IPC: H01M2/16 ; H01M2/14 ; C08J5/18 ; B29C55/14 ; B29K23/00 ; B29L7/00 ; B29L31/34
Abstract:
The present invention relates to a method for manufacturing a separator for batteries, a separator manufactured by the method, and a secondary battery including the separator. More specifically, the present invention relates to a method for manufacturing a separator having enhanced tensile strength by performing a shutdown process stopping a stretch during a process of stretching a base film of the separator.
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