Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 74, Issue -, Pages 19-23Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2016.09.011
Keywords
Ordered mesoporous carbons; SI-eATRP; Polymer brushes; Hydrophilic; Supercapacitor
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Funding
- National Natural Science Foundation of China [51402176, 21603125]
- Special Foundation for International Cooperation of the Ministry of Science and Technology of the People's Republic of China [2009DFR50370]
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Ordered mesoporous carbons (OMCs) grafted with poly(N-vinylpyrrolidone) (PVP) was prepared through electrochemically induced surface-initiated atom-transfer radical polymerization (SI-eATRP). The introduction of hydrophilic polymer PVP brushes on the surface of OMCs results in the improvement of wettability and a remarkable increase in the specific capacitance. The results of electrochemical performance of OMCs-PVP show good specific capacitance of 253 F g(-1), excellent rate performance and good cycling stability with capacitance retention of 89.6% over 5000 cycles. The PVP modification of OMCs via the SI-eATRP method demonstrates an effective way to improve the wettability and electrochemical properties. (C) 2016 Elsevier B.V. All rights reserved.
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