期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 2, 期 40, 页码 17024-17030出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ta03369h
关键词
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资金
- Program for New Century Excellent Talents in University [NCET-2011-0577]
- Ministry of Education of China
- Fundamental Research Funds for the Central Universities [FRF-TP-12-002B]
Polythiophene (PTh) was electrochemically polymerized onto the multiwalled carbon nanotube (MWCNT) modified carbon paper by a galvanostatic method in an oil-in-ionic liquid microemulsion (O/IL). The as-prepared PTh/MWCNT composite had an interlaced framework morphology, in which the MWCNTs were uniformly coated by PTh with a thickness of 2-3 nm. The capacitive performance of the as-prepared PTh/MWCNT composite was tested in 1 mol L-1 Na2SO4 solution. The results showed that the composite film had a favorable capacitance with a high electron transfer rate and tow resistance. The highest specific capacitance could be achieved as high as 216 F g(-1) with the charge loading of 300 mC at a current density of 1 A g(-1). The PTh/MWCNT composite had a good cycle stability with a low fading rate of specific capacitance after 500 cycles. The results demonstrated the feasibility of the as-prepared PTh/MWCNT composite to be used as an electrode material for supercapacitors.
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