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Lithium Secondary Battery And Method For Manufacturing Same
Abstract: The present invention relates to: a lithium secondary battery having improved lifespan characteristics and high-temperature storage characteristics; and a method for manufacturing same. The lithium secondary battery includes: a positive electrode; a negative electrode; a separator disposed between the positive electrode and the negative electrode; and a gel polymer electrolyte. The positive electrode comprises a positive electrode active material layer that includes: at least one additive selected from among succinonitrile (SN), propane sultone (PS), and propene sultone (PRS); and a positive electrode active material. The positive electrode active material layer contains 0.2 parts by weight to 5.0 parts by weight of the additive with respect to 100 parts by weight of the positive electrode active material layer.
Notices, Deadlines & Correspondence
Patent Information
Applicants
LG ENERGY SOLUTION, LTD.
Inventors
1. RYU, Ji Hoon
2. JUNG, Bum Young
3. LEE, Jung Hoon
4. YOON, Yeo Min
5. LEE, Jae Won
6. KANG, Yong Hee
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202317014867.pdf | 2023-03-06 |
| 2 | 202317014867-STATEMENT OF UNDERTAKING (FORM 3) [06-03-2023(online)].pdf | 2023-03-06 |
| 3 | 202317014867-POWER OF AUTHORITY [06-03-2023(online)].pdf | 2023-03-06 |
| 4 | 202317014867-FORM 1 [06-03-2023(online)].pdf | 2023-03-06 |
| 5 | 202317014867-DECLARATION OF INVENTORSHIP (FORM 5) [06-03-2023(online)].pdf | 2023-03-06 |
| 6 | 202317014867-COMPLETE SPECIFICATION [06-03-2023(online)].pdf | 2023-03-06 |
| 7 | 202317014867-Verified English translation [13-03-2023(online)].pdf | 2023-03-13 |
| 8 | 202317014867-RELEVANT DOCUMENTS [13-03-2023(online)].pdf | 2023-03-13 |
| 9 | 202317014867-Proof of Right [13-03-2023(online)].pdf | 2023-03-13 |
| 10 | 202317014867-FORM 13 [13-03-2023(online)].pdf | 2023-03-13 |
| 11 | 202317014867-certified copy of translation [13-03-2023(online)].pdf | 2023-03-13 |
| 12 | 202317014867-FORM 3 [17-08-2023(online)].pdf | 2023-08-17 |
| 13 | 202317014867-FORM 18 [24-08-2023(online)].pdf | 2023-08-24 |
| 14 | 202317014867-FER.pdf | 2025-03-24 |
| 15 | 202317014867-FORM 3 [23-05-2025(online)].pdf | 2025-05-23 |
| 16 | 202317014867-OTHERS [23-09-2025(online)].pdf | 2025-09-23 |
| 17 | 202317014867-FER_SER_REPLY [23-09-2025(online)].pdf | 2025-09-23 |
| 18 | 202317014867-CLAIMS [23-09-2025(online)].pdf | 2025-09-23 |
Search Strategy
| 1 | 202317014867_SearchStrategyNew_E_202317014867E_20-03-2025.pdf |