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Heteroatom-enhanced the formation of mesoporous carbon microspheres with high surface area as supercapacitor electrode materials
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Gao, Z., Huang, X., Chen, K., Wan, C. and Liu, H. (2017) Heteroatom-enhanced the formation of mesoporous carbon microspheres with high surface area as supercapacitor electrode materials. International Journal of Electrochemical Science, 12 (11). pp. 10687-10700. doi:10.20964/2017.11.55 ISSN 1452-3981.
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Official URL: http://dx.doi.org/10.20964/2017.11.55
Abstract
A novel supercapacitor electrode material based on heteroatom (N, O, P) doped mesoporous carbon microspheres (HMCMSs) was produced via a carbonization of highly cross-linked polyphosphazene microspheres (PMSs), with N, O, P acting as high efficient pore-forming agent. PMSs were synthesized through the polymerization reaction between melamine (MA) and hexachlorocyclotriphosphazene (HCCP). The high level of heteroatom atom of PMSs effectively afforde HMCMSs with high specific surface area (1854.1m2 /g), united mesopore structure (pore width ~3nm), as well as high supercapacitor performance. HMCMSs based electrodes exhibited highest specific capacitance of 274 F/g in 6 M KOH aqueous electrolyte at a current density of 0.2 A/g, and excellent cycling durability which had 98.4% capacitance retained even after 2000 cycles. These animative consequences of HMCMSs based electrodes show them great potential in developing highperformance supercapacitors for actual application.
Item Type: | Journal Article | ||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||
Journal or Publication Title: | International Journal of Electrochemical Science | ||||||
Publisher: | Electrochemical Science Group | ||||||
ISSN: | 1452-3981 | ||||||
Official Date: | 12 October 2017 | ||||||
Dates: |
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Volume: | 12 | ||||||
Number: | 11 | ||||||
Page Range: | pp. 10687-10700 | ||||||
DOI: | 10.20964/2017.11.55 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Open Access (Creative Commons) |
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