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公开(公告)号:US20240258657A1
公开(公告)日:2024-08-01
申请号:US18104389
申请日:2023-02-01
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor: Hui-ping WANG , Hui WANG , Masound MOHAMMADPOUR , Lu HUANG , Jing GAO , Brian J. KOCH
IPC: H01M50/536 , H01M4/04 , H01M50/105 , H01M50/533 , H01M50/54
CPC classification number: H01M50/536 , H01M4/043 , H01M4/0471 , H01M50/105 , H01M50/533 , H01M50/54 , H01M2220/20
Abstract: A vehicle battery includes a pouch cell configured to provide power to at least one power system of a vehicle, and multiple electrode foils stacked together at least partially within the pouch cell. Each of the multiple electrode foils includes a foil extension at an end of the electrode foil, a first group of foil extensions are connected together via a first ultrasonic weld to define a first foil extension weld portion, and a second group of foil extensions are connected together via a second ultrasonic weld to define a second foil extension weld portion.