公开(公告)号：US20080176143A1

公开(公告)日：2008-07-24

申请号：US11834451

申请日：2007-08-06

申请人： Shusuke INADA ,  Masahiro Sekino ,  Akira Yajima ,  Nao Shimura ,  Asako Satoh ,  Masayuki Oguchi ,  Hiroshi Kitayama

发明人： Shusuke INADA ,  Masahiro Sekino ,  Akira Yajima ,  Nao Shimura ,  Asako Satoh ,  Masayuki Oguchi ,  Hiroshi Kitayama

IPC分类号： H01M10/40

CPC分类号： H01M2/266 ,  H01M4/131 ,  H01M10/052 ,  H01M10/0567 ,  H01M10/0569 ,  H01M10/0587 ,  H01M2006/106

摘要： A nonaqueous electrolyte secondary battery includes an electrode group having a positive electrode and a negative electrode wound flatly by way of an interposed separator, a positive electrode tab electrically connected to the positive electrode, and projecting from a spiral winding surface of the electrode group, a negative electrode tab electrically connected to the negative electrode, and projecting from the spiral winding surface, and a nonaqueous electrolyte, wherein the nonaqueous solvent contains sultone compound including a ring having at least one double bond, and a distance between the positive electrode tab and the negative electrode tab is 6 mm to 18 mm.

摘要翻译： 非水电解质二次电池包括具有正极和负极的电极组，所述正极和负极通过隔离件平坦地卷绕，正电极接线片与正极电连接并从电极组的螺旋绕组表面突出， 与负极电连接并从螺旋绕线表面突出的负电极接头和非水电解质，其中非水溶剂包含含有至少一个双键的环的磺内酯化合物，以及正电极接头和 负电极片为6mm至18mm。