Fuel cell stack
AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsHideaki Kikuchi, Seiji Sugiura, Yoshinori Wariishi
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Abstract
A cell stack, in which a plurality of cell units are stacked, is accommodated in a case which has a bottom plate, a first side plate, a second side plate, and a ceiling plate. End plates are arranged at both open ends of the case. The case and the end plates are connected to one another by a hinge mechanism in which pins are engaged into through-holes of tab sections to provide a fuel cell stack.
Claims6
A fuel cell stack comprising a stack including a predetermined number of cell units electrically connected to one another in series, said cell units each including a unified body and a pair of separators for supporting said unified body interposed between said pair of separators, said unified body having an anode supplied with a fuel gas, a cathode supplied with an oxygen-containing gas, and an electrolyte arranged between said anode and said cathode, and said pair of separators each having a fuel gas supply passage for supplying said fuel gas or an oxygen-containing gas supply passage for supplying said oxygen-containing gas,
- said fuel cell stack further comprising end plates arranged outside of said stack with terminal electrodes interposed between said end plates and said stack,
- wherein said stack and said terminal electrodes are accommodated in a case having at least one detachable side surface, and said end plates are connected to open ends of said case by a hinge mechanism.
Dependencies are inferred from the claim text.