公开(公告)号：US08227111B2

公开(公告)日：2012-07-24

申请号：US11984656

申请日：2007-11-20

申请人： Jinwook Kim ,  Hideaki Yoshio ,  Jinwan Jeong ,  Jaeil Seong ,  Soonki Woo

发明人： Jinwook Kim ,  Hideaki Yoshio ,  Jinwan Jeong ,  Jaeil Seong ,  Soonki Woo

IPC分类号： H01M2/08

CPC分类号： H01M10/0431 ,  H01M2/08 ,  H01M2/361 ,  H01M2/365 ,  Y10T156/10

摘要： A secondary battery includes an electrode assembly including: a winding having a positive electrode plate, a negative electrodes plate, and stacked together with a separator interposed between the positive and negative electrode plate; a can having an opening portion to receive the electrode assembly; a cap assembly including a cap plate to close the opening portion of the can, the cap plate having an electrolyte injection hole arranged therein; and a first extension groove having a greater diameter than that of the electrolyte injection hole, the first extension groove being arranged in an entering portion of the electrolyte injection hole and having at least one hollow portion arranged on the surface of the first extension groove.

摘要翻译： 二次电池包括：电极组件，其包括：具有正极板，负极板的绕组，并且与插入在正极板和负极板之间的隔膜堆叠在一起; 具有用于接收所述电极组件的开口部的罐; 帽组件，其包括盖板以封闭所述罐的开口部分，所述盖板具有布置在其中的电解质注入孔; 以及具有比所述电解质注入孔大的直径的第一延伸槽，所述第一延伸槽设置在所述电解液注入孔的入口部分中，并且具有布置在所述第一延伸槽的表面上的至少一个中空部。

公开(公告)号：US20080160393A1

公开(公告)日：2008-07-03

申请号：US11984656

申请日：2007-11-20

申请人： Jinwook Kim ,  Hideaki Yoshio ,  Jinwan Jeong ,  Jaeil Seong ,  Soonki Woo

发明人： Jinwook Kim ,  Hideaki Yoshio ,  Jinwan Jeong ,  Jaeil Seong ,  Soonki Woo

IPC分类号： H01M4/00 ,  H01M10/36 ,  B32B37/00

CPC分类号： H01M10/0431 ,  H01M2/08 ,  H01M2/361 ,  H01M2/365 ,  Y10T156/10

摘要： A secondary battery includes an electrode assembly including: a winding having a positive electrode plate, a negative electrodes plate, and stacked together with a separator interposed between the positive and negative electrode plate; a can having an opening portion to receive the electrode assembly; a cap assembly including a cap plate to close the opening portion of the can, the cap plate having an electrolyte injection hole arranged therein; and a first extension groove having a greater diameter than that of the electrolyte injection hole, the first extension groove being arranged in an entering portion of the electrolyte injection hole and having at least one hollow portion arranged on the surface of the first extension groove.

摘要翻译： 二次电池包括：电极组件，其包括：具有正极板，负极板的绕组，并且与插入在正极板和负极板之间的隔膜堆叠在一起; 具有用于接收所述电极组件的开口部的罐; 帽组件，其包括盖板以封闭所述罐的开口部分，所述盖板具有布置在其中的电解质注入孔; 以及具有比所述电解质注入孔大的直径的第一延伸槽，所述第一延伸槽设置在所述电解液注入孔的入口部分中，并且具有布置在所述第一延伸槽的表面上的至少一个中空部。