Membrane Electrode Assembly for High Temperature PEM Fuel Cells and Water Electrolysis
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United States of America
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Apr 10, 2025
app pub date -
Oct 6, 2024
filing date -
Oct 6, 2024
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Abstract
A membrane electrode assembly is provided for mitigating the detrimental effect of water or steam on HTPEM membranes. The membrane electrode assembly includes an ion conductive electrolyte membrane, an ion conductive interface layer, a cathode electrode and an anode electrode. The electrolyte membrane is laminated with the ion conductive interface layer on both the cathode side and the anode side or on only one side. The ion conductive interface layer includes a material having sufficiently high ion conductivity and a chemically stable structure to withstand the effect of the elevated temperatures and water. These ion conductive interface layers act as an effective barrier to electrolyte on the membrane side and to the water on the electrode side, while only marginally effecting the overall ion of the electrode conductivity because of the thinness of the layer.
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