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Application of Low-Viscosity Ionic Liquid to the Electrolyte of Double-Layer Capacitors
Abstract
The performance of a double-layer capacitor (DLC) composed of activated carbon electrodes and 1-ethyl-3-methylimidazolium fluoride (EMIF)⋅2.3HF, which has extremely high conductivity with low viscosity, was examined and compared with those using the popular ionic liquid EMIBF 4 , conventional aqueous electrolyte 35 wt % H 2 SO 4 , and nonaqueous electrolyte 1 M Et 3 MeNBF 4 /propylene carbonate. The DLC using EMIF⋅2.3HF showed an intermediate capacitance and internal resistance between the aqueous and nonaqueous electrolyte systems due to its intermediate double-layer capacitance and electrolytic conductivity. EMIF⋅2.3HF afforded much higher capacitance than EMIBF 4 even at low temperatures, however, it had a lower decomposition voltage (∼2 V), resulting in lower energy density. The capacitance of EMIF⋅2.3HF was extremely dependent on the applied voltage. © 2003 The Electrochemical Society. All rights reserved.
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Cited by
Electrolyte‐Gated Transistors for Organic and Printed Electronics
Kim, S. H., Hong, K., Xie, W., Lee, K. H., Zhang, S., Lodge, T. P., & Frisbie, C. D. (2013) · Advanced Materials · doi:10.1002/adma.201202790 · Cited by 957
Ishikawa, M., Sugimoto, T., Kikuta, M., Ishiko, E., & Kono, M. (2006) · Journal of Power Sources · doi:10.1016/j.jpowsour.2006.02.077 · Cited by 549
Materials insights into low-temperature performances of lithium-ion batteries
Zhu, G., Wen, K., Lv, W., Zhou, X., Liang, Y., Yang, F., Chen, Z., Zou, M., Li, J., Zhang, Y., et al. (2015) · Journal of Power Sources · doi:10.1016/j.jpowsour.2015.09.056 · Cited by 367
INNOVATIVE APPLICATIONS OF IONIC LIQUIDS AS “GREEN” ENGINEERING LIQUIDS
Zhao, H. (2006) · Chemical Engineering Communications · doi:10.1080/00986440600586537 · Cited by 343
Ionic Liquids for Electrochemical Devices
HAGIWARA, R., & LEE, J. S. (2007) · Electrochemistry · doi:10.5796/electrochemistry.75.23 · Cited by 174
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Metadata
- Authors
- Ue, M., Takeda, M., Toriumi, A., Kominato, A., Hagiwara, R., & Ito, Y.
- Venue
- Journal of The Electrochemical Society
- Publisher
- The Electrochemical Society
- Published
- 2003
- Volume
- 150
- Issue
- 4
- Pages
- A499
- ISSN
- 0013-4651 (ISSN-L)
- OpenAlex
- W2005467344
- Cited by
- 326
- References
- 0
- FWCI
- 11.63
- Type
- journal article
- Language
- en
- Open access
- closed
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- Ue, M., Takeda, M., Toriumi, A., Kominato, A., Hagiwara, R., & Ito, Y. (2003). Application of Low-Viscosity Ionic Liquid to the Electrolyte of Double-Layer Capacitors. Journal of The Electrochemical Society. https://doi.org/10.1149/1.1559069
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