专利检索 ap:("LG ENERGY SOLUTION, LTD.") AND inv:"Jung Min Yang" 第 1 页

1.

发明授权
Multi-layer negative electrode comprising natural graphite and artificial graphite and lithium secondary battery comprising the same 有权

公开(公告)号：US12113220B2

公开(公告)日：2024-10-08

申请号：US17850570

申请日：2022-06-27

申请人： LG ENERGY SOLUTION, LTD.

发明人： Taek Soo Lee , Chang Wan Koo , Sang Hoon Choi , Jung Min Yang , Il Jae Moon

IPC分类号： H01M4/587 , H01M4/02 , H01M4/133 , H01M4/36 , H01M4/62 , H01M10/0525

CPC分类号： H01M4/587 , H01M4/133 , H01M4/364 , H01M4/366 , H01M4/621 , H01M4/624 , H01M10/0525 , H01M2004/027

摘要： The present disclosure relates to a multilayer negative electrode comprising a negative electrode current collector configured to transfer electrons between an outer lead and a negative electrode active material, a first negative electrode mixture layer formed on one surface or both surfaces of the current collector and containing natural graphite as a negative electrode active material and a second negative electrode mixture layer formed on the first negative electrode mixture layer and containing artificial graphite as a negative electrode active material, and a lithium secondary battery including the same.