MEMBRANE ELECTRODE ASSEMBLIES FOR FUEL CELLS AND METHODS OF MAKING
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United States of America Patent
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Issued Date -
Jan 1, 2009
app pub date -
Jun 27, 2007
filing date -
Jun 27, 2007
priority date (Note) -
Abandoned
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Abstract
A sealed unbonded membrane electrode assembly includes a first gas diffusion layer and a second gas diffusion layer each having a peripheral border and an active region a catalyst coated membrane, having an active region, interposed between the first gas diffusion layer and the second gas diffusion layer; and a frame member; wherein the frame member envelops the peripheral border of the first gas diffusion layer and the second gas diffusion layer and is sealed to the catalyst-coated membrane; and wherein the catalyst-coated membrane is unbonded to the first and second gas diffusion layers in the active regions thereof.
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