Patent ID: 8105731
Filing Date: 2012-01-31
Classification: H01M,Y02E

Abstract:
1. A fuel cell system comprising a fuel cell stack, wherein said fuel cell stack comprises a pair of end plates and a plurality of unit cells stacked in a horizontal direction, the plurality of unit cells being interposed between the end plates; each of said unit cells includes an electrolyte electrode assembly and separators sandwiching said electrolyte electrode assembly, and said electrolyte electrode assembly comprises a pair of electrodes and an electrolyte interposed between said electrodes; three of six fluid passages comprising a fuel gas supply passage, an oxygen-containing gas supply passage, a coolant supply passage, a fuel gas discharge passage, an oxygen-containing gas discharge passage, and a coolant discharge passage extend through a left end of said fuel cell stack, and the other three of the six fluid passages extend through a right end of said fuel cell stack; the three fluid passages extending through the left end of said fuel cell stack being aligned along a left side of the end plates, and the three fluid passages extending through the right end of said fuel cell stack being aligned along a right side of the end plates, a single first manifold is connected to said three fluid passages provided at said left end of said fuel cell stack; a single second manifold is connected to said three fluid passages provided at said right end of said fuel cell stack; and said first and second manifolds are connected by a plurality of pipes.