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Bipolar plate hydrophilic treatment for stable fuel cell stack operation at low power
Bipolar plate hydrophilic treatment for stable fuel cell stack operation at low power
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机译:双极板亲水处理可在低功率下稳定燃料电池堆的运行
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摘要
A flow field plate or bipolar plate for a fuel cell that includes a hydrophilic coating formed on flow field channels extending through a tunnel region between a cell active area and the inlet and outlet manifolds. The flow field plates are an assembly of a cathode side unipolar plate and an anode side unipolar plate. The hydrophilic coating is deposited on the unipolar plates prior to the unipolar plates being assembled into the flow field plate so that line of site deposition processes can be used to coat the flow field channels in the tunnel region. The unipolar plates can be any suitable fuel cell unipolar plates, such as stamped unipolar plates or composite unipolar plates.
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