Title:
BATTERY CELL AND BATTERY MODULE INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2022/098063
Kind Code:
A1
Abstract:
A battery cell according to an embodiment of the present invention comprises: a battery case in which an electrode assembly is mounted in an accommodation portion, the battery case including a sealing portion having a structure in which an outer peripheral section is sealed by thermal fusion; an electrode lead which is electrically connected to an electrode tab included in the electrode assembly and protrudes outward from the battery case via the sealing portion; and a lead film which is located, either above or below the electrode lead, at a position corresponding to the sealing portion. The lead film has a gas discharge portion that extends from the inside of the battery case toward the outside of the battery case, and the gas discharge portion is open toward the inside of the battery case.
Inventors:
LIM HUNHEE (KR)
KIM SANGHUN (KR)
YU HYUNGKYUN (KR)
KANG MINHYEONG (KR)
KIM SANGHUN (KR)
YU HYUNGKYUN (KR)
KANG MINHYEONG (KR)
Application Number:
PCT/KR2021/015737
Publication Date:
May 12, 2022
Filing Date:
November 02, 2021
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M50/172; H01M50/116; H01M50/183; H01M50/30; H01M50/543
Foreign References:
| KR20170027150A | 2017-03-09 | |||
| KR20190123059A | 2019-10-31 | |||
| CN107968167A | 2018-04-27 | |||
| KR20170096852A | 2017-08-25 | |||
| KR20140087773A | 2014-07-09 | |||
| KR20200147669A | 2020-11-06 | |||
| KR20210142441A | 2021-11-25 |
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (KR)
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