| abstract |
An object of the present invention is to provide a porous metal body suitably used for a gas diffusion layer capable of increasing the output while reducing the size of a fuel cell. A plate-like porous metal body having a three-dimensional network structure containing at least nickel (Ni) and tin (Sn), wherein the nickel content is 50% by mass or more, and the tin content The metal porous body whose rate is 5 mass% or more and 25 mass% or less, and whose thickness is 0.10 mm or more and 0.50 mm or less. [Selection figure] None |