Title:
LEAD FILM FOR SECONDARY BATTERY, AND SECONDARY BATTERY COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/054993
Kind Code:
A1
Abstract:
The present invention relates to a lead film for a secondary battery, and a secondary battery comprising same, the lead film being capable of improving safety while maintaining the sealing property of a battery, and comprising a fire-extinguishing agent. The lead film for a seacondary battery, according to the present invention, comprises a fire-extinguishing agent. According to the present invention, a fire-extinguishing agent is included in the lead film, which is adjacent to an electrode lead from which a large amount of heat is released, and thus the fire-extinguishing agent can work rapidly according to a rise in battery temperature.
Inventors:
KANG GYUNG-SOO (KR)
KIM MI-NA (KR)
GIL GI-MOON (KR)
KIM MI-NA (KR)
GIL GI-MOON (KR)
Application Number:
PCT/KR2022/014296
Publication Date:
April 06, 2023
Filing Date:
September 23, 2022
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M50/19; A62C3/16; H01M50/178; H01M50/184; H01M50/186
Foreign References:
| US20200373582A1 | 2020-11-26 | |||
| KR20170027150A | 2017-03-09 | |||
| KR20170019020A | 2017-02-21 | |||
| JP2012104503A | 2012-05-31 | |||
| KR20180119319A | 2018-11-02 | |||
| KR20210131223A | 2021-11-02 |
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (KR)
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