Gas diffusion substrate
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United States of America Patent
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Sep 27, 2005
Grant Date -
Jul 17, 2003
app pub date -
Apr 12, 2001
filing date -
Apr 17, 2000
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Abstract
A fuel cell gas diffusion substrate has primary fibres, secondary fibres and one or more thermoplastic polymers for binding the primary and secondary fibres, characterized in that the secondary fibers are in the form of carbon nanofibers, and a gas diffusion electrode and membrane electrode assembly prepared therefrom are disclosed.
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