公开(公告)号：US20180277807A1

公开(公告)日：2018-09-27

申请号：US15466363

申请日：2017-03-22

Applicant: GM Global Technology Operations LLC

Inventor： Steven Daniel LORENTZ ,  Chih-chang CHEN ,  Wayne W. CAI ,  Nikolay KONDRATYEV ,  Roger M. BRISBANE

IPC: H01M2/10 ,  H01M2/20 ,  B23K26/242

CPC classification number: H01M2/1077 ,  B23K26/21 ,  B23K2101/006 ,  H01M2/206 ,  H01M2220/20

Abstract: A battery assembly includes a plurality of battery cells each including a cell tab and a bus bar connected to the cell tabs of adjacent battery cells. The bus bar including a pair of 180 degree bend regions that each define a channel for receiving a respective cell tab and a cut-out region defining an opening having opposing edge portions that allows direct access to the cell tab within the cut-out region. A weld line connects the cell tab to at least one of the opposing edge portions within the cut-out region.