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Negative Electrode For Lithium Secondary Battery, Lithium Secondary Battery Including Same, And Method For Manufacturing Negative Electrode

Abstract: According to exemplary embodiments, provided is a negative electrode. The negative electrode includes a current collector, a first negative electrode active material layer, and a second negative electrode active material layer, wherein the second negative electrode active material layer includes a plurality of concave portions which are indented toward the first negative electrode active material layer and a plurality of non-concave portions which are not the concave portions, the concave portions and the non-concave portions being alternately arranged in the horizontal direction and the surface of the second negative electrode active material layer having a pattern formed due to the steps.

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Patent Information

Application #
Filing Date
27 June 2025
Publication Number
01/2026
Publication Type
INA
Invention Field
ELECTRICAL
Status
Email
Parent Application

Applicants

LG ENERGY SOLUTION, LTD.
Tower1 108, Yeoui-daero, Yeongdeungpo-Gu, Seoul 07335

Inventors

1. AHN, Ji Hee
LG Energy Solution Research Park, 188, Munji-ro, Yuseong-Gu, Daejeon 34122
2. KIM, Ji Hyun
LG Energy Solution Research Park, 188, Munji-ro, Yuseong-Gu, Daejeon 34122
3. LIM, Soo Hyun
LG Energy Solution Research Park, 188, Munji-ro, Yuseong-Gu, Daejeon 34122

Specification

Documents

Application Documents

# Name Date
1 202517061627-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [27-06-2025(online)].pdf 2025-06-27
2 202517061627-STATEMENT OF UNDERTAKING (FORM 3) [27-06-2025(online)].pdf 2025-06-27
3 202517061627-REQUEST FOR EXAMINATION (FORM-18) [27-06-2025(online)].pdf 2025-06-27
4 202517061627-PROOF OF RIGHT [27-06-2025(online)].pdf 2025-06-27
5 202517061627-PRIORITY DOCUMENTS [27-06-2025(online)].pdf 2025-06-27
6 202517061627-POWER OF AUTHORITY [27-06-2025(online)].pdf 2025-06-27
7 202517061627-FORM 18 [27-06-2025(online)].pdf 2025-06-27
8 202517061627-FORM 1 [27-06-2025(online)].pdf 2025-06-27
9 202517061627-DRAWINGS [27-06-2025(online)].pdf 2025-06-27
10 202517061627-DECLARATION OF INVENTORSHIP (FORM 5) [27-06-2025(online)].pdf 2025-06-27
11 202517061627-COMPLETE SPECIFICATION [27-06-2025(online)].pdf 2025-06-27
12 202517061627-MARKED COPIES OF AMENDEMENTS [30-06-2025(online)].pdf 2025-06-30
13 202517061627-FORM 13 [30-06-2025(online)].pdf 2025-06-30
14 202517061627-AMMENDED DOCUMENTS [30-06-2025(online)].pdf 2025-06-30
15 202517061627-FORM 3 [03-10-2025(online)].pdf 2025-10-03