| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel cell, a manufacturing device of the fuel cell, and a manufacturing method of the fuel cell, wherein occurrence of welding failure in a metal separator is prevented, and occurrence of reduction of performance of the fuel cell is also prevented, by preventing occurrence of a gap in a welded place, and by thickening the welded place in welding mutually superposed metal separators. <P>SOLUTION: In a fuel cell stack, an air electrode metal separator 101a used for the fuel cell, and a fuel electrode side metal separator 101b arranged to be superposed on the air electrode side metal separator, have a pair of metal separators 100 welded by a folded part 105 formed by folding a peripheral part 104 of a groove-shaped adhering part 103 in which the air electrode side metal separator is pushed into the fuel electrode side metal separator. <P>COPYRIGHT: (C)2010,JPO&INPIT |
