Fuel cell and use of iron-based alloys in the construction...

Details Fuel cell and use of iron-based alloys in the construction... Fuel cell and use of iron-based alloys in the construction...

H - Electricity

01

M

H01M 8/02 (2006.01) C22C 38/44 (2006.01) C22C 38/58 (2006.01)

Patent

CA 2278490

A fuel cell is provided which includes iron-based alloys for the construction of the solid parts of the fuel cell. The fuel cell includes a membrane electrode unit and solid constructive parts which may include current collectors, a cell frame and a bipolar plate. At least one of these solid constructive parts is made from an iron-based material that preferably has an effective weight percent of iron of greater than or equal to 26.9 percent.

L'invention concerne une pile à combustible comprenant une unité membrane-électrode, deux collecteurs de courant et/ou un cadre de cellule et/ou une plaque bipolaire. Le matériau d'au moins un des éléments de construction rigides est constitué d'un matériau à base de fer (contenant au moins Cr-Mo-Ni-N), présentant de préférence une somme efficace ( % Cr + 3,3 x % Mo + 30 x % N) >/=26, 9.

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