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Method For Preparing Positive Electrode Active Material For Lithium Secondary Battery, And Positive Electrode Active Material Prepared Thereby
Abstract: The present invention relates to a method for preparing a positive electrode active material for a lithium secondary battery, and a positive electrode active material prepared thereby. The preparation method comprises: a first step of preparing lithium transition metal oxide by mixing and sintering a transition metal precursor, comprising 70 mole% or greater of nickel relative to the total number of moles of transition metal, and a lithium raw material; and a second step of washing the lithium transition metal oxide with hot water at higher than 90?. An EELS analysis result with respect to the particle surface of the lithium transition metal oxide after the second step satisfies formula 1.
Notices, Deadlines & Correspondence
Patent Information
Applicants
LG ENERGY SOLUTION, LTD.
Inventors
1. LHO, Eun Sol
2. HAN, Gi Beom
3. KIM, Jong Woo
4. JUNG, Wang Mo
5. PARK, Sang Min
6. LEE, Sang Wook
7. KIM, Seul Ki
8. KIM, Hyeong Il
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202317078138-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [17-11-2023(online)].pdf | 2023-11-17 |
| 2 | 202317078138-STATEMENT OF UNDERTAKING (FORM 3) [17-11-2023(online)].pdf | 2023-11-17 |
| 3 | 202317078138-PROOF OF RIGHT [17-11-2023(online)].pdf | 2023-11-17 |
| 4 | 202317078138-PRIORITY DOCUMENTS [17-11-2023(online)].pdf | 2023-11-17 |
| 5 | 202317078138-POWER OF AUTHORITY [17-11-2023(online)].pdf | 2023-11-17 |
| 6 | 202317078138-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [17-11-2023(online)].pdf | 2023-11-17 |
| 7 | 202317078138-MARKED COPIES OF AMENDEMENTS [17-11-2023(online)].pdf | 2023-11-17 |
| 8 | 202317078138-FORM 13 [17-11-2023(online)].pdf | 2023-11-17 |
| 9 | 202317078138-FORM 1 [17-11-2023(online)].pdf | 2023-11-17 |
| 10 | 202317078138-DRAWINGS [17-11-2023(online)].pdf | 2023-11-17 |
| 11 | 202317078138-DECLARATION OF INVENTORSHIP (FORM 5) [17-11-2023(online)].pdf | 2023-11-17 |
| 12 | 202317078138-COMPLETE SPECIFICATION [17-11-2023(online)].pdf | 2023-11-17 |
| 13 | 202317078138-AMMENDED DOCUMENTS [17-11-2023(online)].pdf | 2023-11-17 |
| 14 | 202317078138-FORM 3 [15-04-2024(online)].pdf | 2024-04-15 |
| 15 | 202317078138-FORM 18 [11-02-2025(online)].pdf | 2025-02-11 |