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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 and an electrochemical device comprising same, wherein the compression resistance and breakdown voltage of the separator can be improved by selecting a specific type of polymer resin included in a porous polymer substrate and adjusting the polydispersity index, weight average molecular weight, content of an elution fraction at a specific temperature, and indentation depth, with respect to a polymer eluted at a high temperature.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
11 November 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. LEE, So Yeong
188, Munji-ro
Yuseong-gu,
Daejeon 34122
2. BAE, Won Sik
188, Munji-ro
Yuseong-gu,
Daejeon 34122
3. KWON, Su Jee
188, Munji-ro
Yuseong-gu,
Daejeon 34122
4. BAE, Kyeong Hui
188, Munji-ro
Yuseong-gu,
Daejeon 34122
5. BAK, Byeong Chan
188, Munji-ro
Yuseong-gu,
Daejeon 34122
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202417086823-STATEMENT OF UNDERTAKING (FORM 3) [11-11-2024(online)].pdf | 2024-11-11 |
| 2 | 202417086823-REQUEST FOR EXAMINATION (FORM-18) [11-11-2024(online)].pdf | 2024-11-11 |
| 3 | 202417086823-PROOF OF RIGHT [11-11-2024(online)].pdf | 2024-11-11 |
| 4 | 202417086823-PRIORITY DOCUMENTS [11-11-2024(online)].pdf | 2024-11-11 |
| 5 | 202417086823-POWER OF AUTHORITY [11-11-2024(online)].pdf | 2024-11-11 |
| 6 | 202417086823-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [11-11-2024(online)].pdf | 2024-11-11 |
| 7 | 202417086823-FORM 18 [11-11-2024(online)].pdf | 2024-11-11 |
| 8 | 202417086823-FORM 1 [11-11-2024(online)].pdf | 2024-11-11 |
| 9 | 202417086823-DRAWINGS [11-11-2024(online)].pdf | 2024-11-11 |
| 10 | 202417086823-DECLARATION OF INVENTORSHIP (FORM 5) [11-11-2024(online)].pdf | 2024-11-11 |
| 11 | 202417086823-COMPLETE SPECIFICATION [11-11-2024(online)].pdf | 2024-11-11 |
| 12 | 202417086823-certified copy of translation [02-12-2024(online)].pdf | 2024-12-02 |
| 13 | 202417086823-FORM 3 [02-05-2025(online)].pdf | 2025-05-02 |
| 14 | 202417086823-certified copy of translation [31-10-2025(online)].pdf | 2025-10-31 |