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Process of making titanium carbide (TiC) nano-fibrous felts

United States Patent

8,932,513
January 13, 2015
View the Complete Patent at the US Patent & Trademark Office
A method of synthesizing mechanically resilient titanium carbide (TiC) nanofibrous felts comprising continuous nanofibers or nano-ribbons with TiC crystallites embedded in carbon matrix, comprising: (a) electrospinning a spin dope for making precursor nanofibers with diameters less than 0.5 J.Lm; (b) overlaying the nanofibers to produce a nanofibrous mat (felt); and then (c) heating the nano-felts first at a low temperature, and then at a high temperature for making electrospun continuous nanofibers or nano-ribbons with TiC crystallites embedded in carbon matrix; and (d) chlorinating the above electrospun nano-felts at an elevated temperature to remove titanium for producing carbide derived carbon (CDC) nano-fibrous felt with high specific surface areas.
Fong; Hao (Rapid City, SD), Zhang; Lifeng (Greensboro, NC), Zhao; Yong (Rapid City, SD), Zhu; Zhengtao (Rapid City, SD)
South Dakota Board of Regents (Rapid City, SD)
13/ 482,981
20120315815
May 29, 2012
GOVERNMENT INTEREST The present invention was partially supported by the Department of Energy under Grant Number DE-FG02-08ER64624. The U.S. government has certain rights in this invention.