公开(公告)号：US20220359949A1

公开(公告)日：2022-11-10

申请号：US17316547

申请日：2021-05-10

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Seung-Woo CHU

IPC: H01M50/434 ,  H01M50/417 ,  H01M10/0569 ,  H01M4/525 ,  H01M4/505 ,  H01M4/62

Abstract: A separator for a lithium-containing electrochemical cell is provided herein. The separator includes a porous substrate having a first side and an opposing second side and a coating layer disposed adjacent to at least the first side of the porous substrate. The coating layer includes three-dimensionally (3D) ordered porous ceramic particles. An electrochemical cell including such a separator is also provided herein. The electrochemical cell may or may not include a negative electrode.

公开(公告)号：US20250062447A1

公开(公告)日：2025-02-20

申请号：US18449006

申请日：2023-08-14

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Diptak BHATTACHARYA ,  Anil K. SACHDEV ,  Seung-Woo CHU ,  Mark W. VERBRUGGE ,  Ryan Patrick HICKEY

IPC: H01M50/103 ,  H01M10/613 ,  H01M10/647 ,  H01M10/653 ,  H01M10/658 ,  H01M50/119 ,  H01M50/166 ,  H01M50/169 ,  H01M50/176 ,  H01M50/209 ,  H01M50/548

Abstract: A battery cell including a can body of an enclosure comprising a sheet of metal that is folded into an open cylindrical shape and welded. The can body includes a first opening and a second opening at opposite ends of the can body. The can body is configured to receive a battery cell stack. A lid portion of the enclosure is attached to the first opening of the can body. A bottom portion of the enclosure is attached to the second opening of the can body.