| 摘要 |
A stack for a fuel cell system generating electrical energy from an electrochemical reaction of hydrogen and oxygen includes one or more electricity generating elements having a membrane-electrode assembly and an inner separator, the inner separator being disposed on either side of the membrane-electrode assembly. A pair of outermost separators positioned at opposite ends of the stack, respectively, to form current collecting units having opposite polarities. The pair of outermost separators are fastened to provide a coupling force (or pressure) to the electricity generating elements in an opposing direction and to closely connect the electricity generating elements with each other.
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