公开(公告)号：US20250140872A1

公开(公告)日：2025-05-01

申请号：US18752495

申请日：2024-06-24

Applicant: Samsung SDI Co., Ltd.

Inventor： Donghyun Shin ,  Jaehong Kim ,  Hyejin Kwon ,  Jungwook Cha

IPC: H01M4/74 ,  H01M4/02 ,  H01M4/62 ,  H01M4/66 ,  H01M10/0525

Abstract: An electrode and a lithium battery including the same are provided. The electrode includes an electrode active material layer and two or more electrode current collectors arranged along a thickness direction within the electrode active material layer, wherein the two or more electrode current collectors include an upper electrode current collector adjacent a top surface of the electrode active material layer; and a lower electrode current collector adjacent a bottom surface of the electrode active material layer, wherein the electrode active material layer includes an internal electrode active material layer between the upper electrode current collector and the lower electrode current collector; and an external electrode active material layer outside of the upper electrode current collector and the lower electrode current collector, and wherein the two or more electrode current collectors include a porous structure.

公开(公告)号：US11362386B2

公开(公告)日：2022-06-14

申请号：US16619754

申请日：2018-05-02

Applicant: Samsung SDI Co., Ltd.

Inventor： Donghyun Shin ,  Jeongdoo Yi ,  Sunil Park ,  Jungyup Yang

IPC: B32B3/00 ,  H01M50/124 ,  B32B9/00 ,  B32B15/08

Abstract: The present disclosure relates to a sheath material for secondary battery including a moisture permeation preventing layer, a protective layer disposed on the first surface of the moisture permeation preventing layer wherein the protective layer includes a functional layer having a plurality of patterns and a resin layer disposed on the second surface of the moisture permeation preventing layer, and a secondary battery including the same.

公开(公告)号：US11495852B2

公开(公告)日：2022-11-08

申请号：US16642284

申请日：2018-09-20

Applicant: Samsung SDI Co., Ltd.

Inventor： Sunil Park ,  Donghyun Shin ,  Jungyup Yang ,  Jeongdoo Yi

IPC: H01M50/116 ,  B32B27/08

Abstract: Disclosed are an outer case for a secondary battery, and a secondary battery including the same, the outer case comprising: a first polymer resin layer; a second polymer resin layer positioned on a first surface of the first polymer resin layer, and having a first adhesive layer interposed therebetween so as to be attached thereto; and an inner resin layer positioned on a second surface of the first polymer resin layer, and having a second adhesive layer interposed therebetween so as to be attached thereto, wherein the first polymer resin layer and the second polymer resin layer respectively comprise a fluorine-containing resin.