Invention Grant
- Patent Title: Separator for lithium secondary battery, method for manufacturing same, and lithium secondary battery including same
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Application No.: US16326885Application Date: 2017-08-29
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Publication No.: US10985426B2Publication Date: 2021-04-20
- Inventor: Seung Rim Yang , Chang Hyun Lee , Sung Soo Han , Myungkook Park , Minho Cho
- Applicant: Samsung SDI Co., Ltd. , SAMSUNG ELECTRONICS CO., LTD. , DANKOOK UNIVERSITY CHEONAN CAMPUS INDUSTRY ACADEMIC COOPERATION FOUNDATION
- Applicant Address: KR Yongin-si; KR Suwon-si; KR Cheonan-si
- Assignee: Samsung SDI Co., Ltd.,SAMSUNG ELECTRONICS CO., LTD.,DANKOOK UNIVERSITY CHEONAN CAMPUS INDUSTRY ACADEMIC COOPERATION FOUNDATION
- Current Assignee: Samsung SDI Co., Ltd.,SAMSUNG ELECTRONICS CO., LTD.,DANKOOK UNIVERSITY CHEONAN CAMPUS INDUSTRY ACADEMIC COOPERATION FOUNDATION
- Current Assignee Address: KR Yongin-si; KR Suwon-si; KR Cheonan-si
- Agency: Lewis Roca Rothgerber Christie LLP
- Priority: KR10-2016-0110913 20160830
- International Application: PCT/KR2017/009438 WO 20170829
- International Announcement: WO2018/044046 WO 20180308
- Main IPC: H01M4/02
- IPC: H01M4/02 ; H01M50/411 ; H01M4/525 ; H01M10/0525 ; H01M50/40 ; H01M50/403 ; H01M50/409 ; C08L81/06 ; C08K3/22
Abstract:
The present invention relates to a separator for a lithium secondary battery, a method for manufacturing the separator, and a lithium secondary battery including the separator. The separator includes a porous substrate and a heat resistance porous layer positioned on at least one surface of the porous substrate, wherein the heat resistance porous layer includes a sulfonic acid group-containing polysulfone.
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