Patent ID: 7914938

Claim:
A flat fuel cell comprising: a pair of runner plates each having an assembly surface; and a conducting layer positioned between said pair of runner plates, said conducting layer having a first plurality of conducting blocks embedded on the assembly surface of one of said pair of runner plates and a second plurality of conducting blocks embedded on the assembly surface of the other of said pair of runner plates, said first and second pluralities of conducting blocks forming concave flow passages between said pair of runner plates, the conducting blocks of said first plurality of conducting blocks being in spaced relationship to each other, the conducting blocks of said second plurality of conducting blocks being in spaced relation to each other, each of said conducting blocks of said first and second pluralities of conducting blocks having a convex flange extending outwardly from one side thereof, the convex flange of one of the conducting blocks being electrically connected to the convex flange of an adjacent conducting block of said first and second pluralities of conducting blocks so as to form an S-shaped electrical flow pathway along said first and second conducting blocks.