公开(公告)号：US20130224544A1

公开(公告)日：2013-08-29

申请号：US13766636

申请日：2013-02-13

Applicant: GS Yuasa International Ltd.

Inventor： Manabu KANEMOTO ,  Tadashi KAKEYA ,  Mitsuhiro KODAMA

IPC: H01M4/78

CPC classification number: H01M4/78 ,  H01M4/04 ,  H01M4/043 ,  H01M4/242 ,  H01M4/669 ,  H01M10/0431 ,  H01M2004/021

Abstract: An electrode plate is configured by applying an active material onto a base member formed of a punching steel plate, the electrode plate being wound via a separator together with an electrode plate, which has a different polarity, and having an outermost peripheral portion positioned at the outermost periphery of an electrode assembly. The rate of hole area of the base member at a different electrode overlapping portion, which radially inwardly overlaps on a winding terminal end of the electrode plate having the different polarity, is smaller than that of the base member at the outermost peripheral portion.

Abstract translation: 电极板通过将活性物质施加到由冲压钢板形成的基底构件上而构成，电极板与具有不同极性的电极板一起经由隔膜卷绕，并且具有位于 电极组件的最外周。 在具有不同极性的电极板的绕组末端上径向向内重叠的不同电极重叠部分处的基底部件的孔面积比率比在最外周部分处的基底部件的孔面积小。