公开(公告)号：EP4418340A1

公开(公告)日：2024-08-21

申请号：EP22896052.2

申请日：2022-11-16

申请人： LG Energy Solution, Ltd.

发明人： KIM, Ye Lin ,  JO, Mi Ru ,  PARK, Sung Bin ,  JOENG, Seung Hwan

IPC分类号： H01M4/131 ,  H01M4/133 ,  H01M4/36 ,  H01M4/48 ,  H01M4/587 ,  H01M4/62 ,  H01M10/052 ,  H01M4/525 ,  H01M4/02

CPC分类号： Y02E60/10 ,  H01M4/02 ,  H01M10/052 ,  H01M4/48 ,  H01M4/36 ,  H01M4/525 ,  H01M4/587 ,  H01M4/62 ,  H01M4/133 ,  H01M4/131

摘要： The present invention relates to a negative electrode including a negative electrode current collector; a first negative electrode active material layer disposed on the negative electrode current collector and including a first carbon-based active material, a first silicon-based active material, and a first binder; and a second negative electrode active material layer disposed on the first negative electrode active material layer and including a second carbon-based active material, a second silicon-based active material, and a second binder, wherein the first silicon-based active material includes a first silicon-based compound represented by SiOx (0≤x