Pouch Type Secondary Battery

Abstract: A pouch type secondary battery according to an embodiment of the present invention may include an electrode assembly and a pouch type battery case. The pouch type battery case may include: a cup part for accommodating the electrode assembly; a pair of first sealing parts positioned at both sides in the full length direction of the cup part; and a second sealing part which connects the pair of first sealing parts and is positioned at one side in the full width direction of the cup part. When the area of each of the first sealing parts is put as A mm2 and the weight of the electrode assembly is put as B g A/B may be 0.29 or more.

Patent Information

Application #

Filing Date

12 March 2025

Publication Number

14/2025

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 Hyun Jin

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

2. KIM Chang Ho

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

3. KIM Seon Uk

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

4. KIM Jae Min

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

Specification

Documents

Application Documents

#	Name	Date
1	202517022295-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [12-03-2025(online)].pdf	2025-03-12
2	202517022295-STATEMENT OF UNDERTAKING (FORM 3) [12-03-2025(online)].pdf	2025-03-12
3	202517022295-REQUEST FOR EXAMINATION (FORM-18) [12-03-2025(online)].pdf	2025-03-12
4	202517022295-PRIORITY DOCUMENTS [12-03-2025(online)].pdf	2025-03-12
5	202517022295-POWER OF AUTHORITY [12-03-2025(online)].pdf	2025-03-12
6	202517022295-FORM 18 [12-03-2025(online)].pdf	2025-03-12
7	202517022295-FORM 1 [12-03-2025(online)].pdf	2025-03-12
8	202517022295-DRAWINGS [12-03-2025(online)].pdf	2025-03-12
9	202517022295-DECLARATION OF INVENTORSHIP (FORM 5) [12-03-2025(online)].pdf	2025-03-12
10	202517022295-COMPLETE SPECIFICATION [12-03-2025(online)].pdf	2025-03-12
11	202517022295-RELEVANT DOCUMENTS [19-03-2025(online)].pdf	2025-03-19
12	202517022295-MARKED COPIES OF AMENDEMENTS [19-03-2025(online)].pdf	2025-03-19
13	202517022295-FORM 13 [19-03-2025(online)].pdf	2025-03-19
14	202517022295-Annexure [19-03-2025(online)].pdf	2025-03-19
15	202517022295-AMMENDED DOCUMENTS [19-03-2025(online)].pdf	2025-03-19
16	202517022295-Proof of Right [01-05-2025(online)].pdf	2025-05-01
17	202517022295-FORM 3 [14-08-2025(online)].pdf	2025-08-14