期刊
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
卷 155, 期 10, 页码 A716-A720出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/1.2961044
关键词
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资金
- JPL Research and Technology Development fund
- National Aeronautics and Space Administration
Double-layer capacitor electrolytes employing 1,3-dioxolane as a cosolvent with acetonitrile have been evaluated in coin cells using electrochemical impedance spectroscopy and dc charging and discharging tests. Addition of the lower-melting-point 1,3-dioxolane to the standard acetonitrile solvent was found to extend the low-temperature operational range of test cells beyond that of commercially available cells. By adjusting the concentration of the tetraethylammonium tetrafluoroborate salt used, the equivalent series resistance can be minimized to enable optimal power delivery at a given temperature. (C) 2008 The Electrochemical Society.
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