Patent ID: 8551671

Claim:
A fuel cell comprising a cell unit formed by stacking an electrolyte electrode assembly between a first separator and a second separator in a stacking direction, said electrolyte electrode assembly including a pair of electrodes and an electrolyte interposed between said electrodes, a frame being provided in an outer end of said electrolyte electrode assembly; wherein a first seal, a second seal, and a third seal around said electrodes are disposed on the frame, wherein the first seal surrounds one of the electrodes so as to seal one reactant gas, the second seal surrounds one of the first and second separators to seal a coolant, and the third seal surrounds the other of the electrodes so as to seal another reactant gas, wherein said first seal, said second seal, and said third seal are offset from each other in the stacking direction, wherein the frame is separate and distinct from the first, second and third seals, wherein each of the first seal, the second seal and the third seal does not extend beyond the frame in a direction perpendicular to the stacking direction.