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Separator For Secondary Battery
Abstract: The present invention relates to a separator for a secondary battery, the separator comprising: a separator substrate having a porous structure and made of a polymer material; and a coating layer coated on at least one surface of the separator substrate, wherein the coating layer includes a first binder, which is crystalline, and a second binder, which is non-crystalline, and the first binder and the second binder are aqueous emulsion-type binders, and in which, even when an electrolyte solution is present, the adhesion between the separator and a positive electrode and the adhesion between the separator and a negative electrode can be ensured.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
07 June 2023
Publication Number
28/2024
Publication Type
INA
Invention Field
PHYSICS
Status
Email
Parent Application
Applicants
LG ENERGY SOLUTION, LTD.
Tower1, Yeoui-daero 108
Yeongdeungpo-gu
Seoul 07335
Inventors
1. LEE, Seung-Hyun
188, Munji-ro
Yuseong-gu
Daejeon 34122
2. KA, Kyung-Ryun
188, Munji-ro
Yuseong-gu
Daejeon 34122
3. KIM, Min-Ji
188, Munji-ro
Yuseong-gu
Daejeon 34122
4. KIM, Hye-Won
188, Munji-ro
Yuseong-gu
Daejeon 34122
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202317038936-STATEMENT OF UNDERTAKING (FORM 3) [07-06-2023(online)].pdf | 2023-06-07 |
| 2 | 202317038936-PRIORITY DOCUMENTS [07-06-2023(online)].pdf | 2023-06-07 |
| 3 | 202317038936-POWER OF AUTHORITY [07-06-2023(online)].pdf | 2023-06-07 |
| 4 | 202317038936-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [07-06-2023(online)].pdf | 2023-06-07 |
| 5 | 202317038936-FORM 1 [07-06-2023(online)].pdf | 2023-06-07 |
| 6 | 202317038936-FIGURE OF ABSTRACT [07-06-2023(online)].pdf | 2023-06-07 |
| 7 | 202317038936-DRAWINGS [07-06-2023(online)].pdf | 2023-06-07 |
| 8 | 202317038936-DECLARATION OF INVENTORSHIP (FORM 5) [07-06-2023(online)].pdf | 2023-06-07 |
| 9 | 202317038936-COMPLETE SPECIFICATION [07-06-2023(online)].pdf | 2023-06-07 |
| 10 | 202317038936-Proof of Right [08-06-2023(online)].pdf | 2023-06-08 |
| 11 | 202317038936.pdf | 2023-06-16 |
| 12 | 202317038936-FORM 3 [29-11-2023(online)].pdf | 2023-11-29 |
| 13 | 202317038936-certified copy of translation [29-11-2023(online)].pdf | 2023-11-29 |
| 14 | 202317038936-FORM 18 [04-03-2025(online)].pdf | 2025-03-04 |