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Positive Electrode Active Material, Positive Electrode And Lithum Secondary Battery Comprising The Same, And Method For Manufacturing Positive Electrode Active Material

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.

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Patent Information

Application #
Filing Date
10 July 2025
Publication Number
30/2025
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. HAN, Gi Beom
LG ENERGY SOLUTION Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122
2. PARK, Kang Joon
LG ENERGY SOLUTION Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122
3. LEE, Youshin
LG ENERGY SOLUTION Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122
4. LEE, Jaeyoung
LG ENERGY SOLUTION Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122
5. PARK, Sin Young
LG ENERGY SOLUTION Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122
6. PARK, Byungchun
LG ENERGY SOLUTION Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122

Specification

Documents

Application Documents

# 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