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Separator For Secondary Battery, Secondary Battery Containing Same, And Method For Manufacturing Secondary Battery
Abstract: Provided is a separator for a secondary battery, wherein the separator improves the stability of the secondary battery. One embodiment of the present invention provides a separator for a secondary battery, the separator comprising: a porous substrate; and a coating layer disposed on at least one side of the porous substrate, wherein the coating layer includes polyvinylidene fluoride-co-hexafluoropropylene (PVDF-HFP) and inorganic particles, and the lamellar thickness of the polyvinylidene fluoride-co-hexafluoropropylene in the coating layer is 2.5 to 3.2 nm.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
25 September 2024
Publication Number
05/2025
Publication Type
INA
Invention Field
POLYMER TECHNOLOGY
Status
Email
Parent Application
Applicants
LG ENERGY SOLUTION, LTD.
Tower1, Yeoui-daero 108
Yeongdeungpo-gu,
Seoul 07335
Inventors
1. BAE, Dong Hun
188, Munji-ro
Yuseong-gu,
Daejeon 34122
2. SHIN, Hwan Ho
188, Munji-ro
Yuseong-gu,
Daejeon 34122
3. SUNG, Dong Wook
188, Munji-ro
Yuseong-gu,
Daejeon 34122
4. KIM, Ji Eun
188, Munji-ro
Yuseong-gu,
Daejeon 34122
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202417072323-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [25-09-2024(online)].pdf | 2024-09-25 |
| 2 | 202417072323-STATEMENT OF UNDERTAKING (FORM 3) [25-09-2024(online)].pdf | 2024-09-25 |
| 3 | 202417072323-REQUEST FOR EXAMINATION (FORM-18) [25-09-2024(online)].pdf | 2024-09-25 |
| 4 | 202417072323-POWER OF AUTHORITY [25-09-2024(online)].pdf | 2024-09-25 |
| 5 | 202417072323-FORM 18 [25-09-2024(online)].pdf | 2024-09-25 |
| 6 | 202417072323-FORM 1 [25-09-2024(online)].pdf | 2024-09-25 |
| 7 | 202417072323-DRAWINGS [25-09-2024(online)].pdf | 2024-09-25 |
| 8 | 202417072323-DECLARATION OF INVENTORSHIP (FORM 5) [25-09-2024(online)].pdf | 2024-09-25 |
| 9 | 202417072323-Correspondence-Letter [25-09-2024(online)].pdf | 2024-09-25 |
| 10 | 202417072323-COMPLETE SPECIFICATION [25-09-2024(online)].pdf | 2024-09-25 |
| 11 | 202417072323-Proof of Right [17-10-2024(online)].pdf | 2024-10-17 |
| 12 | 202417072323-certified copy of translation [17-10-2024(online)].pdf | 2024-10-17 |
| 13 | 202417072323-FORM 3 [10-03-2025(online)].pdf | 2025-03-10 |
| 14 | 202417072323-certified copy of translation [17-03-2025(online)].pdf | 2025-03-17 |