Continuous production of catalyst coated membranes
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United States of America Patent
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Jan 8, 2008
Grant Date -
Oct 14, 2004
app pub date -
Oct 24, 2002
filing date -
Oct 24, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for the production of catalyst coated membranes, especially catalyst coated membranes for use in fuel cells, that includes applying followed by drying of an electrocatalyst coating composition, a polymeric dispersion and a second electrocatalyst coating composition onto the surface of a temporary substrate, followed by separation of the temporary substrate.
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