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Separator For Electrochemical Device And Electrochemical Device Comprising Same
Abstract: The present invention relates to a separator for an electrochemical device, comprising a porous polymer substrate and a porous coating layer formed on at least one side of the porous polymer substrate, wherein the porous coating layer comprises an acrylic polymer binder, a copolymer binder, and inorganic particles, the weight average molecular weight of the copolymer binder is 40,000 to 80,000, and the copolymer binder and the inorganic particles are included in a weight ratio of 1:93 to 1:20.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
28 October 2024
Publication Number
06/2025
Publication Type
INA
Invention Field
ELECTRICAL
Status
Email
Parent Application
Applicants
LG ENERGY SOLUTION, LTD.
Tower1, Yeoui-daero 108
Yeongdeungpo-gu,
Seoul 07335
Inventors
1. SUNG, In Hyouk
188, Munji-ro
Yuseong-gu,
Daejeon 34122
2. SUNG, Dong Wook
188, Munji-ro
Yuseong-gu,
Daejeon 34122
3. KA, Kyung Ryun
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 | 202417082178-STATEMENT OF UNDERTAKING (FORM 3) [28-10-2024(online)].pdf | 2024-10-28 |
| 2 | 202417082178-REQUEST FOR EXAMINATION (FORM-18) [28-10-2024(online)].pdf | 2024-10-28 |
| 3 | 202417082178-PROOF OF RIGHT [28-10-2024(online)].pdf | 2024-10-28 |
| 4 | 202417082178-PRIORITY DOCUMENTS [28-10-2024(online)].pdf | 2024-10-28 |
| 5 | 202417082178-POWER OF AUTHORITY [28-10-2024(online)].pdf | 2024-10-28 |
| 6 | 202417082178-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [28-10-2024(online)].pdf | 2024-10-28 |
| 7 | 202417082178-FORM 18 [28-10-2024(online)].pdf | 2024-10-28 |
| 8 | 202417082178-FORM 1 [28-10-2024(online)].pdf | 2024-10-28 |
| 9 | 202417082178-DECLARATION OF INVENTORSHIP (FORM 5) [28-10-2024(online)].pdf | 2024-10-28 |
| 10 | 202417082178-COMPLETE SPECIFICATION [28-10-2024(online)].pdf | 2024-10-28 |
| 11 | 202417082178-FORM 3 [21-04-2025(online)].pdf | 2025-04-21 |
| 12 | 202417082178-Certified Copy of Priority Document [16-09-2025(online)].pdf | 2025-09-16 |
| 13 | 202417082178-certified copy of translation [24-09-2025(online)].pdf | 2025-09-24 |