期刊
MATERIALS LETTERS
卷 126, 期 -, 页码 48-51出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2014.03.176
关键词
Carbon materials; Nanoparticles; Crystal structure; Electrospinning; Poly(vinyl chloride)
资金
- Program for Fujian Provincial Science and Technology
- Provincial Financial Department [2011H6005]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry [2011-1568]
PVC-based carbon nanofibers with graphitic nanoparticles were fabricated by an electrospinning carbonization technique and characterized by SEM, (HR)TEM and XRD. The hydrogen storage capability of the resultant nanofibers was evaluated using the volumetric method. The results show that the PVC-based carbon nanofibers obtained from the electrospun PVC/NiCl2 nanofibers consist of both amorphous carbon and a well-grown graphite layered sphere with a diameter of 35 nm. It is clear that the iodine treatment is essential for retaining a fibrous shape during the carbonization, and Ni is beneficial to the growth of graphitization at low temperatures. The hydrogen storage capacity of the PVC-based carbon nanofibers obtained at 1000 degrees C is 0.30 wt%, suggesting that the resultant nanofibers are a potential energy storage material. (C) 2014 Elsevier B.V: All rights reserved.
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