Process for recycling components of a PEM fuel cell membrane electrode assembly
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United States of America Patent
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Feb 28, 2012
Grant Date -
Dec 20, 2007
app pub date -
Jun 20, 2006
filing date -
Jun 20, 2006
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Abstract
The membrane electrode assembly (MEA) of a PEM fuel cell can be recycled by contacting the MEA with a lower alkyl alcohol solvent which separates the membrane from the anode and cathode layers of the assembly. The resulting solution containing both the polymer membrane and supported noble metal catalysts can be heated under mild conditions to disperse the polymer membrane as particles and the supported noble metal catalysts and polymer membrane particles separated by known filtration means.
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