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Separator For Lithium Secondary Battery, And Production Method Therefor
Abstract: The present invention relates to a separator for a lithium secondary battery and, in particular, is provided with a porous coating layer comprising small-diameter inorganic particles, large-diameter inorganic particles, and adhesive polymer particles, wherein the porosity of the porous coating layer is a predetermined numerical value. Accordingly, a separator having improved heat resistance, reduced resistance, and improved adhesion to an electrode can be produced.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
31 August 2022
Publication Number
04/2024
Publication Type
INA
Invention Field
POLYMER TECHNOLOGY
Status
Email
Parent Application
Applicants
LG ENERGY SOLUTION, LTD.
Tower 1, 108, Yeoui-daero,
Yeongdeungpo-gu,
Seoul 07335
Inventors
1. KA, Kyung-Ryun
LG Chem Research Park, 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
2. SHIN, Jin-Young
LG Chem Research Park, 188, Munji-ro,
Yuseong-Gu,
Daejeon 34122
3. LEE, Sang-Joon
LG Chem Research Park, 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
4. LEE, Je-An
LG Chem Research Park, 188, Munji-ro,
Yuseong-Gu,
Daejeon 34122
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202217049699.pdf | 2022-08-31 |
| 2 | 202217049699-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [31-08-2022(online)].pdf | 2022-08-31 |
| 3 | 202217049699-STATEMENT OF UNDERTAKING (FORM 3) [31-08-2022(online)].pdf | 2022-08-31 |
| 4 | 202217049699-PROOF OF RIGHT [31-08-2022(online)].pdf | 2022-08-31 |
| 5 | 202217049699-PRIORITY DOCUMENTS [31-08-2022(online)].pdf | 2022-08-31 |
| 6 | 202217049699-POWER OF AUTHORITY [31-08-2022(online)].pdf | 2022-08-31 |
| 7 | 202217049699-FORM 1 [31-08-2022(online)].pdf | 2022-08-31 |
| 8 | 202217049699-DRAWINGS [31-08-2022(online)].pdf | 2022-08-31 |
| 9 | 202217049699-DECLARATION OF INVENTORSHIP (FORM 5) [31-08-2022(online)].pdf | 2022-08-31 |
| 10 | 202217049699-COMPLETE SPECIFICATION [31-08-2022(online)].pdf | 2022-08-31 |
| 11 | 202217049699-FORM 3 [03-03-2023(online)].pdf | 2023-03-03 |
| 12 | 202217049699-FORM 3 [28-08-2023(online)].pdf | 2023-08-28 |
| 13 | 202217049699-FORM 18 [18-09-2023(online)].pdf | 2023-09-18 |
| 14 | 202217049699-FORM 3 [19-02-2024(online)].pdf | 2024-02-19 |