| 摘要 |
PROBLEM TO BE SOLVED: To provide a fuel cell separator excellent in supply characteristics of a hydrogen source and an oxygen source, and excellent in discharging properties of water or the like.SOLUTION: The separator 1 includes passage layers 11, 12, the passage layers 11, 12 comprise a porous body 15 formed by joining metal powder 16, a communicated space 17 is formed inside the porous body 15, the volume porosity that is the volume percentage of the space accounted for by the volume of the passage layers is 55% or more and 90% or less, and the area porosity that is the area percentage of the space accounted for by the area of an arbitrary cross section of the passage layers is 55% or more and 90% or less. |
