| 摘要 |
A fuel cell stack system having multiple sub-stacks that are replaceable online is disclosed. In one aspect of the present disclosure, the fuel cell stack system includes multiple fuel cell sub-stacks electrically coupled to one another, the multiple fuel cell sub-stacks include multiple fuel cells electrically coupled to one another enclosed in a sub-stack vessel. Each of the multiple fuel cells can include a composite cathode element and an anode chamber coupled to the composite cathode element. In one embodiment, each of the multiple fuel cell sub-stacks is replaceable online.
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