Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 13, Issue 8, Pages 814-817Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2011.05.010
Keywords
Supercapacitor; Ionic liquid; PC; Mixture
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Funding
- Westfalische Wilhelms-Universitat Munster
- Ministerium fur Innovation, Wissenschaft und Forschung des Landes Nordrhein-Westfalen (MIWFT)
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Using a mixture of PC/PYR(14)TFSI as electrolyte. EDLCs with an operative voltage of 3.5 V and ESR comparable with that of conventional electrolyte have been realized. The combination of high operative voltage and low ESR enable the realization of EDLCs with high energy and high power. Moreover, the use of PC/PYR(14)TFSI mixture also guarantees a remarkable cycling stability, as evidenced by a capacitance loss of only 5% after 100,000 cycles carried out at 3.5 V. (C) 2011 Elsevier B.V. All rights reserved.
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