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Received November 15, 2004
Accepted January 25, 2005
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Synthesis and Ionic Conductivities of Lithium-Doped Morpholinium Salts
Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 373-1 Guseong-dong, Yuseong-gu, Daejeon 305-701, Korea 1LG Chemical, Ltd., PO Box 61, Daejeon 305-380, Korea
h_lee@kaist.ac.kr
Korean Journal of Chemical Engineering, March 2005, 22(2), 281-284(4), 10.1007/BF02701498
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Abstract
A series of a new type of ionic liquids was prepared. The synthesis and purification procedure of N-alkyl-N-methylmorpholinium bromide, N-alkyl-N-methylmorpholinium tetrafluoroborate, N-alkyl-N-methylmorpholinium hexafluorophosphate, and N-alkyl-N-methylmorpholinium bis(trifluoromethanesulfonyl)imide were presented. Thermal properties of morpholinium salts and ionic conductivities of lithium-doped ionic liquids were measured in the temperature range of 303.15 to 323.15 K. In the case of the pure ionic liquids, the ionic conductivities were 10-4 S·cm-1.
Keywords
Ionic Liquid Electrochemical Property N-alkyl-N-methylmorpholinium Bromide ([Mor][Br]) N-alkyl-N-methylmorpholinium Tetrafluoroborate ([Mor][BF4]) N-alkyl-N-methylmorpholinium Hexafluorophosphate ([Mor][PF6]) N-alkyl-N-methylmorpholinium Bis(trifluoromethanesulfonyl)imide ([Mor][TFSI]) Lithium Doped Electrolyte
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Marsh KN, Deev A, Wu ACT, Tran E, Klamt A, Korean J. Chem. Eng., 19(3), 357 (2002)
Ngo HL, Lecompte K, Hargens L, McEwen AB, Thermochim. Acta, 357, 97 (2000)
Welton T, Chem. Rev., 99(8), 2071 (1999)
Yoshizawa M, Ogihara W, Ohno H, Polym. Adv. Technol., 13(8), 589 (2002)
