公开(公告)号：EP2425477A1

公开(公告)日：2012-03-07

申请号：EP10770299.5

申请日：2010-04-29

申请人： Daramic, LLC

发明人： WHEAR, J., Kevin ,  MILLER, Eric, H. ,  CARDILLO, Salvatore ,  DREYER, Daniel

IPC分类号： H01M2/16

摘要： A battery separator for a lead acid (storage) battery is made from a thermoplastic sheet material. The sheet material has a central region flanked by peripheral regions. The central region includes a plurality of longitudinally extending ribs that are integrally formed from the sheet material. The peripheral regions are free of ribs and may include a densified structure. Also disclosed are a method of producing the foregoing separator, an envelope separator made from the sheet material, and a method of making the envelope separator.

公开(公告)号：EP2425477B1

公开(公告)日：2020-05-13

申请号：EP10770299.5

申请日：2010-04-29

申请人： Daramic, LLC

发明人： WHEAR, J., Kevin ,  MILLER, Eric, H. ,  CARDILLO, Salvatore ,  DREYER, Daniel

IPC分类号： H01M2/16 ,  H01M2/14 ,  H01M2/18