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oa Hydrogen storage by carbon fibers from cotton
- Source: QScience Connect, Volume 2013, Issue 1, Jun 2013, 45
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- 08 November 2013
- 14 November 2013
- 01 January 2014
Abstract
A maximum of 8.75 wt% hydrogen adsorption was observed by carbon fibers which were obtained by the pyrolysis of cotton. Cotton was pyrolysed at 750°C for 3 h in argon atmosphere. Carbon fiber was soaked with 0.1M Ni(NO3)2. This was filtered and dried at 100°C. Finally, metal nitrate treated carbon fibers were heated at 850°C for 3 h in argon atmosphere. Carbon fibers thus obtained were found to absorb hydrogen to the extent of 8.75 wt%. Taguchi optimization technique was adopted to find out the best parameters responsible to give highest hydrogen adsorption. Carbon fibers that showed 8.75 wt% hydrogen adsorption were characterized by SEM, TEM, XRD, and Raman analysis.
© 2013 Mukherjee, Kalita, Sharon, Sharon, licensee Bloomsbury Qatar Foundation Journals.