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Positive Electrode Active Material For Lithium Secondary Battery, Method For Preparing Same, And Lithium Secondary Battery Comprising Same
Abstract: Provided are: a positive electrode active material for a lithium secondary battery, comprising a lithium transition metal oxide having a coating layer derived from crumpled graphene; and a method for preparing same. The crumpled graphene has a thickness of 0.1-10 nm. In the positive electrode active material, a thin and uniform crumpled graphene-derived coating layer effectively imparts electrical conductivity to the lithium transition metal oxide. When the positive electrode active material is applied to a lithium secondary battery, the lithium secondary battery has enhanced performance, particularly high discharge capacity at C-rate.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
27 July 2023
Publication Number
49/2023
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
Parent Application
Applicants
LG ENERGY SOLUTION, LTD.
Tower1, 108, Yeoui-daero,
Yeongdeungpo-gu,
Seoul 07335
Inventors
1. KIM, Taegon
LG Energy Solution Research Park, 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
2. KIM, Jeonggil
LG Energy Solution Research Park, 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
3. KIM, Myeongsoo
LG Energy Solution Research Park, 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
4. KWAK, Min
LG Energy Solution Research Park, 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202317050618-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [27-07-2023(online)].pdf | 2023-07-27 |
| 2 | 202317050618-STATEMENT OF UNDERTAKING (FORM 3) [27-07-2023(online)].pdf | 2023-07-27 |
| 3 | 202317050618-PROOF OF RIGHT [27-07-2023(online)].pdf | 2023-07-27 |
| 4 | 202317050618-PRIORITY DOCUMENTS [27-07-2023(online)].pdf | 2023-07-27 |
| 5 | 202317050618-POWER OF AUTHORITY [27-07-2023(online)].pdf | 2023-07-27 |
| 6 | 202317050618-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [27-07-2023(online)].pdf | 2023-07-27 |
| 7 | 202317050618-FORM 1 [27-07-2023(online)].pdf | 2023-07-27 |
| 8 | 202317050618-DRAWINGS [27-07-2023(online)].pdf | 2023-07-27 |
| 9 | 202317050618-DECLARATION OF INVENTORSHIP (FORM 5) [27-07-2023(online)].pdf | 2023-07-27 |
| 10 | 202317050618-COMPLETE SPECIFICATION [27-07-2023(online)].pdf | 2023-07-27 |
| 11 | 202317050618-FORM 3 [15-01-2024(online)].pdf | 2024-01-15 |
| 12 | 202317050618-FORM 18 [22-02-2024(online)].pdf | 2024-02-22 |