Title:
BATTERY MODULE HAVING STRUCTURE CAPABLE OF PREVENTING INFLOW OF AIR INTO MODULE WHEN THERMAL RUNAWAY OCCURS AND BATTERY PACK INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2020/180115
Kind Code:
A1
Abstract:
A battery module according to an embodiment of the present invention, comprises: a cell stack comprising a plurality of battery cells; a module case accommodating the cell stack; a pair of module covers covering both side openings of the module case; and a ventilation unit arranged to pass through the module cover, wherein the ventilation unit comprises: a one-way venting valve arranged in the central portion of a through hole passing through the module cover; a first hole sealing part attached to the inner wall surface of the through hole; and a second hole sealing part attached to the outer circumferential surface of the one-way venting valve.
Inventors:
LEE JIN-KYU (KR)
Application Number:
PCT/KR2020/003083
Publication Date:
September 10, 2020
Filing Date:
March 04, 2020
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M10/658; A62C2/06; A62C3/16; H01M10/613; H01M10/6562; H01M50/211; H01M50/224; H01M50/273
Foreign References:
| KR20170032034A | 2017-03-22 | |||
| KR100369068B1 | 2003-01-24 | |||
| KR101780775B1 | 2017-10-10 | |||
| KR20190002992A | 2019-01-09 | |||
| KR20130032963A | 2013-04-03 | |||
| JP2003031208A | 2003-01-31 | |||
| KR20190025995A | 2019-03-12 |
Other References:
See also references of EP 3836296A4
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (KR)
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