公开(公告)号：EP4265761A1

公开(公告)日：2023-10-25

申请号：EP21906566.1

申请日：2021-12-13

申请人： JFE Steel Corporation

发明人： YANO Takayoshi ,  MIZUTANI Akito ,  IKEDA Kazuhiko ,  FUJII Tomoko ,  MATSUNAGA Hiroshi

IPC分类号： C22C38/00 ,  C22C38/58 ,  H01M8/021 ,  H01M8/10

摘要： It is provided a stainless steel sheet for fuel cell separators with low contact resistance, which can be produced very advantageously in terms of safety as well as mass production. A parameter Sa specified in ISO 25178 is set to 0.15 µm or more and 0.50 µm or less, and a parameter Ssk specified in ISO 25178 is set to more than 0.