An interconnect for a fuel cell stack includes a first set of gas flow channels in a first portion of the interconnect, and a second set of gas flow channels in second portion of the interconnect. The channels of the first set have a larger cross sectional area than the channels of the second set....http://www.google.fr/patents/US8110319?utm_source=gb-gplus-shareBrevet US8110319 - Fuel cell stack components