Jelly Roll Type Electrode Assembly, Battery Cell Including Same, And

Jelly Roll Type Electrode Assembly, Battery Cell Including Same, And Cylindrical Battery

Abstract: A jelly-roll type electrode assembly according to an embodiment of the present invention, comprises: a positive electrode sheet; a negative electrode sheet; and a separator sheet placed between the positive electrode sheet and the negative electrode sheet, wherein part of the separator sheet facing one end of the positive electrode sheet positioned inside the jelly-roll type electrode assembly comprises a first separator sheet part facing the negative electrode sheet and a second separator sheet part facing the positive electrode sheet, and the coefficient of friction between the first separator sheet part and the negative electrode sheet is less than the coefficient of friction between the second separator sheet part and the positive electrode sheet.

Patent Information

Application #

Filing Date

16 September 2024

Publication Number

1/2025

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, Sudeok

LG ENERGY SOLUTION Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122

2. KIM, Hyoung Kwon

LG ENERGY SOLUTION Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122

3. KIM, Jin Soo

LG ENERGY SOLUTION Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122

Specification

Documents

Application Documents

#	Name	Date
1	202417069803-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [16-09-2024(online)].pdf	2024-09-16
2	202417069803-STATEMENT OF UNDERTAKING (FORM 3) [16-09-2024(online)].pdf	2024-09-16
3	202417069803-REQUEST FOR EXAMINATION (FORM-18) [16-09-2024(online)].pdf	2024-09-16
4	202417069803-PROOF OF RIGHT [16-09-2024(online)].pdf	2024-09-16
5	202417069803-POWER OF AUTHORITY [16-09-2024(online)].pdf	2024-09-16
6	202417069803-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [16-09-2024(online)].pdf	2024-09-16
7	202417069803-FORM 18 [16-09-2024(online)].pdf	2024-09-16
8	202417069803-FORM 1 [16-09-2024(online)].pdf	2024-09-16
9	202417069803-DRAWINGS [16-09-2024(online)].pdf	2024-09-16
10	202417069803-DECLARATION OF INVENTORSHIP (FORM 5) [16-09-2024(online)].pdf	2024-09-16
11	202417069803-COMPLETE SPECIFICATION [16-09-2024(online)].pdf	2024-09-16
12	202417069803-FORM 3 [21-02-2025(online)].pdf	2025-02-21