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Cathode, Manufacturing Method Therefor, And Lithium Secondary Battery Comprising Cathode
Abstract: The present invention relates to a cathode, wherein the cathode comprises a cathode active material layer including a cathode active material, and the crack rate, of the surface part of the cathode active material layer, derived from the following mathematical formula 1 is 5.0-14.2%. [Mathematical formula 1] CR = (CA) / [(PA) + (CA)] In the formula, CR is crack rate (%), CA is crack area, PA is particle area, and the surface part of the cathode active material layer means the area from the layer surface down to a depth of 20 µm.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
21 November 2024
Publication Number
05/2025
Publication Type
INA
Invention Field
ELECTRICAL
Status
Email
Parent Application
Applicants
LG ENERGY SOLUTION, LTD.
Tower 1, 108, Yeoui-daero
Yeongdeungpo-gu
Seoul 07335
Inventors
1. KIM, Sa Rah
LG Energy Solution Research Park, 188, Munji-ro
Yuseong-gu
Daejeon 34122
2. JEON, Seo Young
LG Energy Solution Research Park, 188, Munji-ro
Yuseong-gu
Daejeon 34122
3. CHAE, Jong Hyun
LG Energy Solution Research Park, 188, Munji-ro
Yuseong-gu
Daejeon 34122
4. JOO, Mun Kyu
LG Energy Solution Research Park, 188, Munji-ro
Yuseong-gu
Daejeon 34122
5. KWON, Yo Han
LG Energy Solution Research Park, 188, Munji-ro
Yuseong-gu
Daejeon 34122
6. LEE, Il Ha
LG Energy Solution Research Park, 188, Munji-ro
Yuseong-gu
Daejeon 34122
7. KIM, Min Kyoung
LG Energy Solution Research Park, 188, Munji-ro
Yuseong-gu
Daejeon 34122
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202417090563-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [21-11-2024(online)].pdf | 2024-11-21 |
| 2 | 202417090563-STATEMENT OF UNDERTAKING (FORM 3) [21-11-2024(online)].pdf | 2024-11-21 |
| 3 | 202417090563-PROOF OF RIGHT [21-11-2024(online)].pdf | 2024-11-21 |
| 4 | 202417090563-PRIORITY DOCUMENTS [21-11-2024(online)].pdf | 2024-11-21 |
| 5 | 202417090563-POWER OF AUTHORITY [21-11-2024(online)].pdf | 2024-11-21 |
| 6 | 202417090563-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [21-11-2024(online)].pdf | 2024-11-21 |
| 7 | 202417090563-FORM 1 [21-11-2024(online)].pdf | 2024-11-21 |
| 8 | 202417090563-DRAWINGS [21-11-2024(online)].pdf | 2024-11-21 |
| 9 | 202417090563-DECLARATION OF INVENTORSHIP (FORM 5) [21-11-2024(online)].pdf | 2024-11-21 |
| 10 | 202417090563-COMPLETE SPECIFICATION [21-11-2024(online)].pdf | 2024-11-21 |
| 11 | 202417090563-RELEVANT DOCUMENTS [22-11-2024(online)].pdf | 2024-11-22 |
| 12 | 202417090563-FORM 18 [22-11-2024(online)].pdf | 2024-11-22 |
| 13 | 202417090563-FORM 13 [22-11-2024(online)].pdf | 2024-11-22 |
| 14 | 202417090563-FORM 3 [21-04-2025(online)].pdf | 2025-04-21 |