| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a separator for a fuel cell capable of preventing drop in sealing performance. <P>SOLUTION: A separator 15 has a coolant passage 19 formed by sticking metal plates 15A, 15B each having a recessed and projecting shape, in which a recessed line part 26 and a projecting line part 27 are alternately formed in a region contributing power generation, and the outer peripheral part of the separator is formed into a projecting part having a gap 28 whose side is opened on the inside formed by facing both the projecting line parts 27, and portions superimposing the recessed line parts 26 in the inner parts of the gaps 28 from the opened sides are welded. <P>COPYRIGHT: (C)2009,JPO&INPIT |
