Carbon nanofibers with inter-bonded fibrous structure for supercapacitor application
Niu, Haitao, Wang, Xungai and Lin, Tong 2012, Carbon nanofibers with inter-bonded fibrous structure for supercapacitor application, in ACEM 2012 : Proceedings of the World Congress on Advances in Civil, Environmental, and Materials Research, [The Congress], [Seoul, Korea], pp. 550-557.
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Title
Carbon nanofibers with inter-bonded fibrous structure for supercapacitor application
Advances in Civil, Environmental, and Materials Research World Congress
Start page
550
End page
557
Total pages
8
Publisher
[The Congress]
Place of publication
[Seoul, Korea]
Summary
In this study, we have improved carbon nanofiber interconnection by using two electrospinning methods: conventional electrospinning and side-by-side bicomponent electrospinning to produce polyvinylpyrrolidone (PVP)/polyacrylonitrile (PAN) blend nanofibers and PVP/PAN side-by-side bicomponent nanofibers respectively. Upon carbonization, the nanofibers showed inter-bonded morphologies. PVP here functioned to bind nanofibers during carbonization. The inter-boned fibrous morphology was highly affected by the PVP/PAN ratio and the electrospinning method. Carbon nanofibers prepared by the bicomponent electrospinning were found to have larger capacitances compared to those prepared by the conventional electrospinning. The influence of electrospinning method, PAN/PVP ratio on the crystallinity of carbon nanofibers, their surface morphology and capacitor performance were examined. The influence mechanism was elucidated as well.
Language
eng
Field of Research
109999 Technology not elsewhere classified
Socio Economic Objective
970110 Expanding Knowledge in Technology
HERDC Research category
E2 Full written paper - non-refereed / Abstract reviewed
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