公开(公告)号：US20150243953A1

公开(公告)日：2015-08-27

申请号：US14629304

申请日：2015-02-23

Applicant: Samsung SDI Co., Ltd.

Inventor： Hong-Jeong KIM ,  Jong-Ki LEE ,  Kyu-Nam JOO ,  Kyun LIM

IPC: H01M2/16 ,  H01M2/02 ,  H01M10/0585

CPC classification number: H01M2/1686 ,  H01M2/162 ,  H01M2/1646 ,  H01M2/1653 ,  H01M2/168 ,  H01M10/0431 ,  H01M10/0436 ,  H01M10/0525 ,  H01M10/0587 ,  H01M2220/30

Abstract: A secondary battery includes a first electrode assembly configured to include a first positive electrode plate, a first negative electrode plate, and a first separator interposed between the first positive electrode plate and the first negative electrode plate, a second electrode assembly configured to include a second positive electrode plate, a second negative electrode plate, and a second separator interposed between the second positive electrode plate and the second negative electrode plate, the second separator having a porosity greater than that of the first separator, the first electrode assembly having high capacity, as compared with second electrode assembly, and the second electrode assembly having high power, as compared with the first electrode assembly, and a case configured to accommodate the first and second electrode assemblies therein.

Abstract translation: 二次电池包括第一电极组件，其被配置为包括第一正极板，第一负极板和插入在第一正极板和第一负极板之间的第一隔板，第二电极组件构造成包括第二正极板 正极板，第二负极板和插入在第二正极板和第二负极板之间的第二隔板，第二隔板的孔隙率大于第一隔板的孔隙率，第一电极组件具有高容量， 与第二电极组件相比，第二电极组件与第一电极组件相比具有高功率，并且被配置为容纳第一和第二电极组件的壳体。