Journal
JOURNAL OF POWER SOURCES
Volume 243, Issue -, Pages 880-886Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2013.06.104
Keywords
Supercapacitor; Graphitized electrospun nanofibers; Activated carbon nanowhiskers; Binder-free electrode material; Electrical conductive 3D network
Funding
- National Natural Science Foundation of China [21174058]
- important Science and Technology Special Project of Jiangxi Province, China [20114ABF05100]
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Due to their cycling stability and high power density, the supercapacitors bridge the power/energy gap between traditional dielectric capacitors and batteries/fuel cells. Electrode materials are key components for making high performance supercapacitors. An activated carbon nanowhiskers (ACNWs) wrapped-on graphitized electrospun nanofiber (GENF) network (ACNWs/GENFN) with 3D porous structure is prepared as a new type of binder-free electrode material for supercapacitors. The supercapacitor based on the ACNWs/GENFN composite material displays an excellent performance with a specific capacitance of 176.5 Fg(-1) at current density of 0.5 A g(-1) an ultrahigh power density of 252.8 kW kg(-1) at current density of 800 A g(-1) and an outstanding cycling stability of no capacitance loss after 10,000 charge/discharge cycles. (C) 2013 Elsevier B.V. All rights reserved.
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