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Patent Searching and Data


Title:
POUCH-TYPE SECONDARY BATTERY AND BATTERY MODULE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2018/043907
Kind Code:
A1
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.

Inventors:
JIN, Hee-Jun (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
MUN, Jeong-O (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
LEE, Yoon-Koo (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
RYU, Sang-Woo (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
SEO, Sung-Won (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
YOON, Ji-Su (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
CHOI, Mi-Geum (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
Application Number:
KR2017/007480
Publication Date:
March 08, 2018
Filing Date:
July 12, 2017
Export Citation:
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Assignee:
LG CHEM, LTD. (128 Yeoui-daero, Yeongdeungpo-gu, Seoul, 07336, KR)
International Classes:
H01M2/02; H01M2/10; H01M2/34
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (3F. 36, Seochojungang-ro,Seocho-gu, Seoul, 06643, KR)
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