公开(公告)号：US08420251B2

公开(公告)日：2013-04-16

申请号：US10358226

申请日：2003-02-05

申请人： Kyoichi Watanabe ,  Hideaki Horie ,  Takanori Ito ,  Takaaki Abe ,  Osamu Shimamura ,  Takamitsu Saitou ,  Hiroshi Sugawara

发明人： Kyoichi Watanabe ,  Hideaki Horie ,  Takanori Ito ,  Takaaki Abe ,  Osamu Shimamura ,  Takamitsu Saitou ,  Hiroshi Sugawara

IPC分类号： H01M2/24 ,  H01M6/42 ,  H01M2/02 ,  H01M4/82 ,  H01M6/00

CPC分类号： H01M2/24 ,  H01M2/0207 ,  H01M2/0287 ,  H01M2/0292 ,  H01M2/1077 ,  H01M2/1094 ,  H01M2/204 ,  H01M2/206 ,  H01M2/22 ,  H01M2/26 ,  H01M2/32 ,  H01M10/052 ,  Y02T10/7011 ,  Y10T29/49108

摘要： A battery is provided with a plurality of unit cells each having a tab, a bus bar connecting the tab of one of the plurality of unit cells and the tab of another one of the plurality of unit cells, and a plurality of welding points disposed on a center of gravity of an area, in which the bus bar and the tab are overlapped, or a vicinity thereof, and at least one position of line segments, radiately extending from the center of gravity, or a vicinity thereof, such that the bus bar and the tab are connected to one another at the plurality of welding points.