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1. (WO2018043907) POUCH-TYPE SECONDARY BATTERY AND BATTERY MODULE COMPRISING SAME

Pub. No.:    WO/2018/043907    International Application No.:    PCT/KR2017/007480
Publication Date: Fri Mar 09 00:59:59 CET 2018 International Filing Date: Thu Jul 13 01:59:59 CEST 2017
IPC: H01M 2/02
H01M 2/10
H01M 2/34
Applicants: LG CHEM, LTD.
주식회사 엘지화학
Inventors: JIN, Hee-Jun
진희준
MUN, Jeong-O
문정오
LEE, Yoon-Koo
이윤구
RYU, Sang-Woo
류상우
SEO, Sung-Won
서성원
YOON, Ji-Su
윤지수
CHOI, Mi-Geum
최미금
Title: POUCH-TYPE SECONDARY BATTERY AND BATTERY MODULE COMPRISING SAME
Abstract:
Disclosed are a pouch-type secondary battery and a battery module comprising the same. A pouch-type secondary battery according to an embodiment of the present invention comprises: an electrode assembly; a case for containing the electrode assembly; an electrode tab extending from the electrode assembly; and an electrode lead electrically connected to the electrode tab and exposed to the outside of the case, wherein the case has a variable-length portion formed thereon such that, when swelling occurs, the volume of the case can increase.