公开(公告)号：US20120244420A1

公开(公告)日：2012-09-27

申请号：US13426020

申请日：2012-03-21

申请人： Shin SERIZAWA ,  Hiroo TAKAHASHI ,  Daisuke KAWASAKI ,  Jiro IRIYAMA ,  Ryuichi KASAHARA ,  Emiko FUJII ,  Tetsuya KAJITA ,  Tatsuji NUMATA

发明人： Shin SERIZAWA ,  Hiroo TAKAHASHI ,  Daisuke KAWASAKI ,  Jiro IRIYAMA ,  Ryuichi KASAHARA ,  Emiko FUJII ,  Tetsuya KAJITA ,  Tatsuji NUMATA

IPC分类号： H01M2/02 ,  H01M10/04

CPC分类号： H01M2/02 ,  H01M2/0212 ,  H01M2/12 ,  H01M2/1235 ,  H01M2/1247 ,  H01M2/1252 ,  H01M10/0525 ,  Y02E60/122 ,  Y02P70/54 ,  Y10T29/49112

摘要： A secondary battery according to the present exemplary embodiment is a secondary battery including a laminated electrode body provided with at least one pair of positive and negative electrodes and an outer enclosure that accommodates the laminated electrode body, wherein the outer enclosure includes one or more concave portions, inside a border corresponding to an outer edge of an electrode surface of an outermost layer of the laminated electrode body, on a surface facing the electrode surface, and wherein, when a band-shaped outer circumferential region having an area that is a half of an area inside the border is set inside the border, at least one of the concave portions is located inside the outer circumferential region.

摘要翻译： 根据本示例性实施例的二次电池是包括设置有至少一对正极和负极的层压电极体和容纳层叠电极体的外壳的二次电池，其中，所述外壳包括一个或多个凹部 在与电极表面相对的表面上的与层压电极体的最外层的电极表面的外边缘相对应的边界内，并且其中，当带状外周区域的面积为 边界内的区域设置在边界内，至少一个凹部位于外周区域的内部。