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Separator For Electrochemical Device, Method For Manufacturing Same, And Electrochemical Device Comprising Same
Abstract: The present invention provides a separator for an electrochemical device, the separator comprising: a porous polymer substrate; and a porous coating layer formed on at least one surface of the porous polymer substrate, wherein: the porous coating layer comprises a polymer binder, inorganic particles, and an organic filler; the porous coating layer comprises 1 to 10 parts by weight of the polymer binder, based on the total weight of the porous coating layer; and the packing density of the inorganic particles is 2 g/cm3 (inclusive) to 2.5 g/cm3 (inclusive).
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
18 February 2025
Publication Number
23/2025
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. KA, Kyung Ryun
188, Munji-ro
Yuseong-gu,
Daejeon 34122
2. SUNG, Dong Wook
188, Munji-ro
Yuseong-gu,
Daejeon 34122
3. SUNG, In Hyouk
188, Munji-ro
Yuseong-gu,
Daejeon 34122
4. KIM, Ji Hyeon
188, Munji-ro
Yuseong-gu,
Daejeon 34122
5. KIM, Ji Yeon
188, Munji-ro
Yuseong-gu,
Daejeon 34122
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202517013858-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [18-02-2025(online)].pdf | 2025-02-18 |
| 2 | 202517013858-STATEMENT OF UNDERTAKING (FORM 3) [18-02-2025(online)].pdf | 2025-02-18 |
| 3 | 202517013858-REQUEST FOR EXAMINATION (FORM-18) [18-02-2025(online)].pdf | 2025-02-18 |
| 4 | 202517013858-PROOF OF RIGHT [18-02-2025(online)].pdf | 2025-02-18 |
| 5 | 202517013858-PRIORITY DOCUMENTS [18-02-2025(online)].pdf | 2025-02-18 |
| 6 | 202517013858-POWER OF AUTHORITY [18-02-2025(online)].pdf | 2025-02-18 |
| 7 | 202517013858-FORM 18 [18-02-2025(online)].pdf | 2025-02-18 |
| 8 | 202517013858-FORM 1 [18-02-2025(online)].pdf | 2025-02-18 |
| 9 | 202517013858-DECLARATION OF INVENTORSHIP (FORM 5) [18-02-2025(online)].pdf | 2025-02-18 |
| 10 | 202517013858-COMPLETE SPECIFICATION [18-02-2025(online)].pdf | 2025-02-18 |
| 11 | 202517013858-FORM 3 [14-08-2025(online)].pdf | 2025-08-14 |