US 12,283,721 B2
Battery cell, battery module and vehicle
In-Sun Yoo, Daejeon (KR); Sang-Ho Park, Daejeon (KR); Do-Hyeon Kim, Daejeon (KR); and Young-Soo Oh, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., Seoul (KR)
Filed by LG Energy Solution, Ltd., Seoul (KR)
Filed on Feb. 10, 2022, as Appl. No. 17/668,741.
Claims priority of application No. 10-2021-0021423 (KR), filed on Feb. 17, 2021.
Prior Publication US 2022/0263204 A1, Aug. 18, 2022
Int. Cl. H01M 50/105 (2021.01); H01M 50/54 (2021.01)
CPC H01M 50/54 (2021.01) [H01M 50/105 (2021.01); H01M 2220/20 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A pouch-type battery cell, comprising:
an electrode assembly having an electrode tab;
an electrode lead electrically connected to the electrode tab;
a pouch case having at least one perforation hole, the electrode assembly being disposed within an upper portion and a lower portion of the pouch case, the upper portion and the lower portion of the pouch case contacting each other along a sealing portion;
a lead film having a portion thereof interposed between the electrode lead and an inner surface of the pouch case, the lead film including at least one insert protrusion extending from an outer surface thereof, the lead film extending along the electrode lead from the sealing portion to an outside of the pouch case, and
a fixing tape located on an outer surface of the sealing portion of the pouch case and having an adhesive layer formed on one surface thereof contacting the outer surface of the sealing portion and an opposite surface of the fixing tape facing outward, the insert protrusion being disposed in the perforation hole and extending through the fixing tape and away from an outer surface of the pouch case and the opposite surface of the fixing tape,
wherein the fixing tape has at least one coupling hole configured to receive a protruding end of the insert protrusion.