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1. (WO2018139739) BATTERY PACK

Pub. No.:    WO/2018/139739    International Application No.:    PCT/KR2017/012305
Publication Date: Fri Aug 03 01:59:59 CEST 2018 International Filing Date: Fri Nov 03 00:59:59 CET 2017
IPC: H01M 2/10
H01M 2/02
H01M 2/08
Applicants: SAMSUNG SDI CO., LTD.
삼성에스디아이주식회사
Inventors: KIM, Jun Seop
김준섭
KANG, Il Oh
강일오
MOON, Dea Yon
문대연
WOO, Min Uk
우민욱
LEE, Won Il
이원일
Title: BATTERY PACK
Abstract:
The present invention provides a battery pack comprising: a lower case which has a space therein so as to improve the sealability of a battery pack, and which has a groove portion formed to extend along a predetermined width of an outer upper surface thereof; an upper case arranged on the lower case; a battery portion accommodated in the inner space of the lower case and including a plurality of battery cells; and a sealing member inserted into the groove portion so as to be interposed between the upper case and the lower case, and having a cross section shape, which has an upper surface, a lower surface, and a side surface for connecting the upper surface and the lower surface, wherein the upper surface is formed as a curved surface, which is convex toward the upper case, and a protrusion portion for forming a stepped portion with the upper surface is positioned at the side surface.