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公开(公告)号:US20240347781A1
公开(公告)日:2024-10-17
申请号:US18294103
申请日:2022-11-04
发明人: In Kee HAN , Joo Hwan SUNG , Cheon Hee BOK , Joonghoon LEE , Minkook MOON , Eun Young KIM
IPC分类号: H01M10/42 , H01M10/0525 , H01M10/0587 , H01M50/586 , H01M50/59
CPC分类号: H01M10/4235 , H01M10/0525 , H01M10/0587 , H01M50/586 , H01M50/59
摘要: An electrode assembly for a secondary battery includes a stacked body including a sheet-like positive electrode, a sheet-like negative electrode, and a sheet-like separator interposed between the sheet-like positive electrode and the sheet-like negative electrode, the sheet-like positive electrode, the sheet-like negative electrode, and the sheet-like separator being wound; and a nonwoven fabric having a porous structure, the nonwoven fabric being located closer to a winding starting end of the electrode assembly than the sheet-like positive electrode in a region including a portion corresponding to one end of the sheet-like positive electrode.