Electrode Assembly And Lithium Secondary Battery Comprising Same

Abstract: The present invention relates to an electrode assembly comprising: an electrode laminate comprising a positive electrode comprising a positive electrode active material layer, a negative electrode comprising a negative electrode active material layer, a separator between the positive electrode and the negative electrode; and at least one fixing member for winding and fixing the electrode laminate in a full-width direction, wherein the positive electrode comprises a positive electrode sliding part in which the thickness of the positive electrode active material layer decreases, and the at least one fixing member overlaps a region corresponding to the positive electrode sliding part.

Patent Information

Application #

Filing Date

17 June 2025

Publication Number

27/2025

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. KIM, Nam Hun

LG Energy Solution Research Park, 188, Munji-ro Yuseong-gu Daejeon 34122

2. SONG, Jae Eun

LG Energy Solution Research Park, 188, Munji-ro Yuseong-gu Daejeon 34122

3. KIM, Jung Heub

LG Energy Solution Research Park, 188, Munji-ro Yuseong-gu Daejeon 34122

4. KIM, Chang Ho

LG Energy Solution Research Park, 188, Munji-ro Yuseong-gu Daejeon 34122

Specification

Documents

Application Documents

#	Name	Date
1	202517057995-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [17-06-2025(online)].pdf	2025-06-17
2	202517057995-STATEMENT OF UNDERTAKING (FORM 3) [17-06-2025(online)].pdf	2025-06-17
3	202517057995-REQUEST FOR EXAMINATION (FORM-18) [17-06-2025(online)].pdf	2025-06-17
4	202517057995-PROOF OF RIGHT [17-06-2025(online)].pdf	2025-06-17
5	202517057995-PRIORITY DOCUMENTS [17-06-2025(online)].pdf	2025-06-17
6	202517057995-POWER OF AUTHORITY [17-06-2025(online)].pdf	2025-06-17
7	202517057995-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [17-06-2025(online)].pdf	2025-06-17
8	202517057995-FORM 18 [17-06-2025(online)].pdf	2025-06-17
9	202517057995-FORM 1 [17-06-2025(online)].pdf	2025-06-17
10	202517057995-DRAWINGS [17-06-2025(online)].pdf	2025-06-17
11	202517057995-DECLARATION OF INVENTORSHIP (FORM 5) [17-06-2025(online)].pdf	2025-06-17
12	202517057995-COMPLETE SPECIFICATION [17-06-2025(online)].pdf	2025-06-17
13	202517057995-MARKED COPIES OF AMENDEMENTS [03-07-2025(online)].pdf	2025-07-03
14	202517057995-FORM 13 [03-07-2025(online)].pdf	2025-07-03
15	202517057995-AMMENDED DOCUMENTS [03-07-2025(online)].pdf	2025-07-03
16	202517057995-FORM 3 [19-11-2025(online)].pdf	2025-11-19