公开(公告)号：US20230317960A1

公开(公告)日：2023-10-05

申请号：US18003976

申请日：2021-08-26

Applicant: Samsung SDI Co., Ltd.

Inventor： Mihwa YANG ,  Junghyun NAM ,  Hyo-jung SONG ,  Hyejin YOON ,  Jinhee LEE

IPC: H01M4/62 ,  H01M4/587 ,  H01M10/052 ,  H01M4/133

CPC classification number: H01M4/628 ,  H01M4/587 ,  H01M10/052 ,  H01M4/133 ,  H01M2004/027

Abstract: The present invention relates to an electrode assembly for a lithium secondary battery and a lithium secondary battery including the same, the electrode assembly comprising: a current collector, a negative electrode comprising a negative electrode active material layer located on the current collector and an organic-inorganic composite layer integrated with the negative electrode active material layer, and a positive electrode, wherein the organic-inorganic composite layer comprises an organic layer and an inorganic layer.

公开(公告)号：US20230290958A1

公开(公告)日：2023-09-14

申请号：US18014019

申请日：2022-02-21

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Jinhee LEE ,  Junghyun NAM ,  Hyo-jung SONG ,  Mihwa YANG ,  Hyejin YOON

IPC: H01M4/62 ,  H01M10/052

CPC classification number: H01M4/628 ,  H01M10/052

Abstract: The present invention relates to an electrode assembly for a lithium secondary battery, and a lithium secondary battery comprising same, the electrode assembly comprising a current collector, an anode comprising an anode active material layer located on the current collector and a functional layer integrated with the anode active material layer; and a cathode, wherein the functional layer includes at least one inorganic layer and the peel strength of the functional layer is 0.2 N/m or greater.