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Lithium Secondary Battery Comprising Lithium Rich Manganese Based Oxide, And Manufacturing Method Therefor
Abstract: The present invention relates to a lithium secondary battery, and a manufacturing method therefor, the lithium secondary battery comprising: a cathode comprising a lithium-rich manganese-based oxide in which the amount of manganese in an entire metal that excludes lithium exceeds 50 mol%, and the ratio (Li/Me) of the moles of lithium to the moles of in the entire metal that excludes lithium exceeds 1; an anode; and an electrolyte, wherein, when the total discharge curve area is 100% in a dQ/dV graph obtained by differentiating the graphs of voltage V and battery discharge capacity Q measured while charging the lithium secondary battery to 4.6 V at 0.1 C, and then discharging same to 2.0 V at 0.1 C, the discharge curve area in the voltage range of 2.0-3.5 V is 35% or less.
Notices, Deadlines & Correspondence
Patent Information
Applicants
LG ENERGY SOLUTION, LTD.
Inventors
1. CHOI, Dongin
2. SUNG, Kiwon
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202417081424-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [25-10-2024(online)].pdf | 2024-10-25 |
| 2 | 202417081424-STATEMENT OF UNDERTAKING (FORM 3) [25-10-2024(online)].pdf | 2024-10-25 |
| 3 | 202417081424-REQUEST FOR EXAMINATION (FORM-18) [25-10-2024(online)].pdf | 2024-10-25 |
| 4 | 202417081424-PROOF OF RIGHT [25-10-2024(online)].pdf | 2024-10-25 |
| 5 | 202417081424-POWER OF AUTHORITY [25-10-2024(online)].pdf | 2024-10-25 |
| 6 | 202417081424-FORM 18 [25-10-2024(online)].pdf | 2024-10-25 |
| 7 | 202417081424-FORM 1 [25-10-2024(online)].pdf | 2024-10-25 |
| 8 | 202417081424-DRAWINGS [25-10-2024(online)].pdf | 2024-10-25 |
| 9 | 202417081424-DECLARATION OF INVENTORSHIP (FORM 5) [25-10-2024(online)].pdf | 2024-10-25 |
| 10 | 202417081424-COMPLETE SPECIFICATION [25-10-2024(online)].pdf | 2024-10-25 |
| 11 | 202417081424-FORM 3 [05-03-2025(online)].pdf | 2025-03-05 |