Title:
VENT SEALING CAP FOR SECONDARY BATTERY AND SECONDARY BATTERY COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2022/265423
Kind Code:
A1
Abstract:
The present invention relates to a vent sealing cap for a secondary battery and a secondary battery comprising same, the vent sealing cap discharging gas generated in a secondary battery to the outside and then preventing oxygen from reversely flowing in the secondary battery so that ignition of the secondary battery can be prevented and safety can be improved. The vent sealing cap for a secondary battery according to the present invention comprises: a body having a hollow formed therein; an intake port provided through the body; an exhaust port provided above a position of the body, at which the intake port is provided; and an opening/closing member provided in the inner hollow of the body and opening or closing connection between the intake port and the exhaust port while moving due to a change in pressure of the intake port.
Inventors:
OH SANG SEUNG (KR)
LIM SUNG CHUL (KR)
LIM SUNG CHUL (KR)
Application Number:
PCT/KR2022/008536
Publication Date:
December 22, 2022
Filing Date:
June 16, 2022
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M50/317; H01M10/48
Foreign References:
| KR20120069104A | 2012-06-28 | |||
| KR20130038499A | 2013-04-18 | |||
| JP2006040626A | 2006-02-09 | |||
| KR20160109513A | 2016-09-21 | |||
| KR980012697A | 1998-04-30 |
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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