Ultra-fine fibrous carbon and preparation method thereof
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United States of America Patent
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Dec 30, 2008
Grant Date -
Jan 5, 2006
app pub date -
Oct 17, 2003
filing date -
Oct 17, 2002
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Abstract
The present invention discloses ultra-fine fibrous carbon and preparation of the same. Specifically, the present ultra-fine fibrous carbon is characterized by the graphite-like structure with the sp.sup.2 hybrid carbon content of more than 95% per total content; the (002) plane interlayer spacing (d.sub.002, d-spacing of C(002) profiles determined by X-ray diffraction method) of 0.3370-0.3700 nm; the (002) plane stacking of more than 4 layers, namely the stacking height (Lc002) of more than 1.5 nm; fibrous carbon length per fibrous carbon width of diameter (aspect ratio) of more than 20; the average diameter of 5.about.50 nm.
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