POUCH-TYPE BATTERY CELL AND BATTERY MODULE COMPRISING SAME

WIPO Patent Application WO/2024/053830

A1

The present invention relates to a pouch-type battery cell and a battery module comprising same and, particularly, to a pouch-type battery cell and a battery module comprising same, the pouch-type battery cell comprising: a pouch case having an accommodating space; an electrode assembly which is accommodated in the pouch case, includes a positive electrode, a negative electrode, and a separator, and has a pair of electrode tabs on one side or the respective sides thereof; and a pair of electrode leads connected to the pair of electrode tabs and protruding to the outside of the pouch case, wherein a sealing part comprises a wing part positioned along the full length direction of the pouch case, terrace parts positioned along the full width direction of the pouch case, and reinforcing parts extending outward from the terrace parts and having a predetermined shape and area for suppressing or delaying gas venting, wherein the width of the wing part is greater than the width of the terrace parts.

JP2022190244	SHEATH MATERIAL FOR POWER STORAGE DEVICE AND POWER STORAGE DEVICE
WO/2011/115392	SECONDARY BATTERY
JPWO2004077592	Seal gasket for alkaline batteries and sealed alkaline batteries

BAEK DOO HYUN (KR)
CHO SEUNG SU (KR)
KANG IN WOO (KR)
BAEK SANG MIN (KR)
HONG EUI JIN (KR)
LEE HYUN JU (KR)

PCT/KR2023/008808

March 14, 2024

June 26, 2023

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LG ENERGY SOLUTION LTD (KR)

H01M50/184; B29C65/00; B29C65/18; H01M50/105; H01M50/174; H01M50/198; H01M50/211; B29L31/34

CN209592206U	2019-11-05
KR20190109146A	2019-09-25
KR20160105124A	2016-09-06
KR20120039469A	2012-04-25
US20220037722A1	2022-02-03

MYUNGRYUN IP & LAW FIRM (KR)

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