FUEL CELL FLOW FIELD PLATE INCLUDING NON-STOICHIOMETRIC METAL OXIDE LAYER
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United States of America Patent
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app pub date -
Dec 5, 2012
filing date -
Jun 30, 2005
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Abandoned
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Abstract
A flow field plate or bipolar plate for a fuel cell that includes a combination of non-stoichiometric and a conductive material that makes the bipolar plate conductive, hydrophilic and stable in the fuel cell environment. The non-stoichiometric and the conductive material can be deposited on the plate as separate layers or can be combined as a single layer. Either the non-stoichiometric layer or the conductive layer can be deposited first. In one embodiment, the conductive material is gold.
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