Method of making a membrane electrode assembly for electrochemical fuel cells
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United States of America Patent
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Jun 5, 2007
Grant Date -
Dec 23, 2004
app pub date -
Jun 20, 2003
filing date -
Jun 20, 2003
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Abstract
A membrane electrode assembly may be made using a one-sided catalyst coated membrane (CCM) wherein only one catalyst layer, either the anode or the cathode, is coated directly on the ion-exchange membrane. In particular, a one-sided CCM may be used where it may not be practicable to coat both sides of the ion-exchange membrane with catalyst layers such as when PTFE is added to the anode catalyst layer to render it reversal tolerant.
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