Title:
熱暴走現象の発生時、モジュール内部への空気の流入が防止可能な構造を有するバッテリーモジュール及びこれを含むバッテリーパック
Document Type and Number:
Japanese Patent JP7105919
Kind Code:
B2
Abstract:
Disclosed is a battery module, which includes a cell stack having a plurality of battery cells; a module case configured to accommodate the cell stack; a pair of module covers configured to cover openings at both sides of the module case; and a ventilation unit installed through the module cover. The ventilation unit includes a one-way venting valve disposed at a center of a perforation hole formed through the module cover; a first hole sealing portion attached onto an inner wall of the perforation hole; and a second hole sealing portion attached onto an outer circumference of the one-way venting valve.
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Inventors:
Jin-kyu
Application Number:
JP2020563490A
Publication Date:
July 25, 2022
Filing Date:
March 04, 2020
Export Citation:
Assignee:
LG Energy Solution Limited
International Classes:
H01M50/204; H01M10/613; H01M10/647; H01M10/6556; H01M10/6561; H01M50/211; H01M50/224; H01M50/273; H01M50/317; H01M50/325
Domestic Patent References:
| JP2000311670A | ||||
| JP2013070992A | ||||
| JP2003031208A | ||||
| JP2013246920A |
Foreign References:
| KR1020170032034A | ||||
| KR101780775B1 | ||||
| KR1020190002992A | ||||
| DE10113371A1 |
Attorney, Agent or Firm:
Masato Iida
Shinya Mihiro
Shinya Mihiro