Methods of producing composite material, filter and diffusion layer of fuel cell
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United States of America Patent
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Issued Date -
Oct 4, 2007
app pub date -
Mar 30, 2007
filing date -
Mar 30, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The composite material is constituted by a substrate and a carbonized nanofiber layer and capable of being widely applied. The method of producing the composite material comprises the steps of: disposing an electrically conductive substrate on an electrode plate of an electro spinning apparatus; spraying a polymer solution or a molten polymer, to which high voltage is applied from a capillary of a capillary electrode of the electro spinning apparatus, toward the substrate on the electrode plate so as to form a large number of nanofibers on the substrate; and burning the substrate, on which a large number of the nanofibers have been formed, so as to form a carbonized nanofiber layer on the substrate.
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