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Secondary Battery
Abstract: The present invention relates to a secondary battery comprising: an electrode assembly to which an electrode lead is attached; a case including an accommodation part for accommodating the electrode assembly, and a sealing part which includes a sealant resin and seals the electrode assembly; a lead film surrounding a part of the outer surface of the electrode lead and placed between the electrode lead and the case; a vent region formed in at least a part of the case; and a vent member inserted into the vent region and including a first layer including a resin having a melting point lower than that of the sealant resin, and a second layer positioned on at least one surface of the first layer and including an adhesive material, wherein the thickness of the second layer is 5 µm or less.
Notices, Deadlines & Correspondence
Patent Information
Applicants
LG ENERGY SOLUTION, LTD.
Inventors
1. KIM, Sang-Hun
2. SONG, Dae-Woong
3. KANG, Min-Hyeong
4. YU, Hyung-Kyun
5. LIM, Hun-Hee
6. HWANG, Soo-Ji
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202317064568-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [26-09-2023(online)].pdf | 2023-09-26 |
| 2 | 202317064568-STATEMENT OF UNDERTAKING (FORM 3) [26-09-2023(online)].pdf | 2023-09-26 |
| 3 | 202317064568-PROOF OF RIGHT [26-09-2023(online)].pdf | 2023-09-26 |
| 4 | 202317064568-PRIORITY DOCUMENTS [26-09-2023(online)].pdf | 2023-09-26 |
| 5 | 202317064568-POWER OF AUTHORITY [26-09-2023(online)].pdf | 2023-09-26 |
| 6 | 202317064568-FORM 1 [26-09-2023(online)].pdf | 2023-09-26 |
| 7 | 202317064568-DRAWINGS [26-09-2023(online)].pdf | 2023-09-26 |
| 8 | 202317064568-DECLARATION OF INVENTORSHIP (FORM 5) [26-09-2023(online)].pdf | 2023-09-26 |
| 9 | 202317064568-COMPLETE SPECIFICATION [26-09-2023(online)].pdf | 2023-09-26 |
| 10 | 202317064568-FORM 3 [24-03-2024(online)].pdf | 2024-03-24 |
| 11 | 202317064568-FORM 18 [01-04-2025(online)].pdf | 2025-04-01 |