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Fuel-cell membrane-subgasket assemblies comprising coated subgaskets, and fuel-cell assemblies and fuel-cell stacks comprising the fuel-cell membrane subgasket assemblies
Fuel-cell membrane-subgasket assemblies comprising coated subgaskets, and fuel-cell assemblies and fuel-cell stacks comprising the fuel-cell membrane subgasket assemblies
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机译:包括涂覆的子垫片的燃料电池膜-子垫片组件,以及包括燃料电池膜子垫片的燃料电池组件和燃料电池堆
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摘要
Fuel-cell membrane-subgasket assemblies may include an electrolyte membrane and a coated subgasket overlying the electrolyte membrane around a perimeter of the electrolyte membrane so as to define an active area inside the perimeter. The coated subgasket may comprise a subgasket body formed from a subgasket material. At least one side of the coated subgasket includes a subgasket coating layer containing or formed from a coating material such as metals, ceramics, polymers, polymer composites, or other hard coatings. Fuel-cell assemblies may include gas diffusion media, a bipolar plate, and a fuel-cell membrane-subgasket assembly having a coated subgasket. Fuel-cell stacks may include clamping plates, unipolar endplates, and a plurality of individual fuel-cell assemblies, at least one of which includes a fuel-cell membrane-subgasket assembly having a coated subgasket.
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