Abstract: The positive electrode active material according to the present invention comprises a lithium-rich manganese-based oxide represented by chemical formula 1 below and a carbon material coating layer positioned on the surface of the lithium-rich manganese-based oxide and has a BET specific surface area of 1.0 m2/g to 2.0 m2/g. [Chemical formula 1] Lia[NibCocMndMe]O2, where 1.00 < a, 0 = b = 0.53, 0 = c = 0.10, 0.47 = d = 1.00, 0 = e = 0.20, and M is at least one selected from the group consisting of Al, B, Co, W, Mg, V, Ti, Zn, Ga, In, Ru, Nb, Sn, Sr, and Zr.
| # | Name | Date |
|---|---|---|
| 1 | 202517065812-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [10-07-2025(online)].pdf | 2025-07-10 |
| 2 | 202517065812-STATEMENT OF UNDERTAKING (FORM 3) [10-07-2025(online)].pdf | 2025-07-10 |
| 3 | 202517065812-REQUEST FOR EXAMINATION (FORM-18) [10-07-2025(online)].pdf | 2025-07-10 |
| 4 | 202517065812-PROOF OF RIGHT [10-07-2025(online)].pdf | 2025-07-10 |
| 5 | 202517065812-PRIORITY DOCUMENTS [10-07-2025(online)].pdf | 2025-07-10 |
| 6 | 202517065812-POWER OF AUTHORITY [10-07-2025(online)].pdf | 2025-07-10 |
| 7 | 202517065812-FORM 18 [10-07-2025(online)].pdf | 2025-07-10 |
| 8 | 202517065812-FORM 1 [10-07-2025(online)].pdf | 2025-07-10 |
| 9 | 202517065812-DECLARATION OF INVENTORSHIP (FORM 5) [10-07-2025(online)].pdf | 2025-07-10 |
| 10 | 202517065812-COMPLETE SPECIFICATION [10-07-2025(online)].pdf | 2025-07-10 |