Pouch Type Battery Cell

Abstract: A pouch-type battery cell according to an embodiment of the present invention comprises an electrode assembly that can be accommodated between a first case and a second case. The pouch-type battery cell may comprise: a cup portion, which is formed in the first case and/or the second case and accommodates the electrode assembly; a folding portion in which an edge portion of the first case surrounds an edge portion of the second case so that a discharge flow path is formed between the edge portion of the first case and the edge portion of the second case; a sealing portion formed in the folding portion; and a venting portion by which the cup portion and the discharge flow path communicate when the internal pressure of the cup portion increases.

Patent Information

Application #

Filing Date

04 September 2025

Publication Number

39/2025

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. LEE, Chang Je

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

2. LEE, In Seok

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

3. MYOUNG, Gi Hoon

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

Specification

Documents

Application Documents

#	Name	Date
1	202517084061-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [04-09-2025(online)].pdf	2025-09-04
2	202517084061-STATEMENT OF UNDERTAKING (FORM 3) [04-09-2025(online)].pdf	2025-09-04
3	202517084061-REQUEST FOR EXAMINATION (FORM-18) [04-09-2025(online)].pdf	2025-09-04
4	202517084061-PROOF OF RIGHT [04-09-2025(online)].pdf	2025-09-04
5	202517084061-PRIORITY DOCUMENTS [04-09-2025(online)].pdf	2025-09-04
6	202517084061-POWER OF AUTHORITY [04-09-2025(online)].pdf	2025-09-04
7	202517084061-FORM 18 [04-09-2025(online)].pdf	2025-09-04
8	202517084061-FORM 1 [04-09-2025(online)].pdf	2025-09-04
9	202517084061-DRAWINGS [04-09-2025(online)].pdf	2025-09-04
10	202517084061-DECLARATION OF INVENTORSHIP (FORM 5) [04-09-2025(online)].pdf	2025-09-04
11	202517084061-COMPLETE SPECIFICATION [04-09-2025(online)].pdf	2025-09-04
12	202517084061-MARKED COPIES OF AMENDEMENTS [12-09-2025(online)].pdf	2025-09-12
13	202517084061-FORM 13 [12-09-2025(online)].pdf	2025-09-12
14	202517084061-AMMENDED DOCUMENTS [12-09-2025(online)].pdf	2025-09-12