BATTERY MODULE AND BATTERY PACK COMPRISING SAME

Title:

BATTERY MODULE AND BATTERY PACK COMPRISING SAME

Document Type and Number:

WIPO Patent Application WO/2017/135600

Kind Code:

A1

Abstract:

The present invention relates to a battery module comprising: a housing having a first housing and a second housing which are coupled to each other so as to form an accommodation space; a plurality of secondary batteries accommodated in the accommodation space; a bolt which has a screw part with a screw thread formed on at least a portion of the outer circumferential surface thereof, and a bolt head arranged on one end of the screw part, wherein the screw part penetrates the first housing to be screwed to the second housing and the bolt head is installed so as to be hitched to the first housing such that the first housing and the second housing are fastened; and an O-ring interposed between the first housing and the bolt head, wherein the O-ring comprises: a cavity which is bored such that the screw part is inserted therethrough; and a hinge protrusion formed to protrude out of the bolt head in the radial direction of the bolt head.

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Inventors:

KIM HWA-JOONG (KR)
KANG TAE-YOUNG (KR)
KIM DO-HYEON (KR)
MOON DUCK-HEE (KR)
SEONG JUN-YEOB (KR)

Application Number:

PCT/KR2017/000686

Publication Date:

August 10, 2017

Filing Date:

January 19, 2017

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

H01M50/204; H01M50/262

Foreign References:

KR20130017289A	2013-02-20
KR0177214B1	1999-05-15
KR20130001381A	2013-01-04
KR100907990B1	2009-07-16
JP2011243449A	2011-12-01
KR101177764B1	2012-08-30
KR20160015160A	2016-02-12

Other References: