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1-Alkyl-3-Methylimidazolium bis(pentafluoroethylsulfonyl)imide Based Ionic Liquids: A Study of their Physical and Electrochemical Properties

DeCerbo, Jennifer N.
http://rave.ohiolink.edu/etdc/view?acc_num=wright1217963125

Abstract Details

2008, Master of Science (MS), Wright State University, Chemistry.
Ionic liquids are an attractive possibility for battery electrolytes. Five ionic liquids were synthesized using a 1-alkyl-3-methylimidazolium (XMI+) cation, where the alkyl group was ethyl, propyl, butyl, pentyl, or hexyl, and a bis(pentafluoroethyl-sulfonyl)imide (Beti-) anion. The absorption and desorption of water, conductivities, densities, viscosities, decomposition temperatures, and electrochemical properties were studied. These ionic liquids were found to absorb less water than previously studied ionic liquids with tetrafluoroborate (BF4-) and hexafluorophosphate (PF6-) anions. Their conductivities decreased with longer alkyl chains on the imidazolium cation and were lower than ionic liquids with BF4- as the anion. The densities of the ionic liquids decreased with increasing temperature and alkyl chain length. Viscosities decreased with increasing temperature but increased with increasing chain length. All of the ionic liquids were found to be thermally stable to nearly 400 °C. The potential windows increased with increasing chain length, from 4.2 V (EMIBeti) to 4.7 V (HMIBeti).
Vladimir Katovic, PhD (Committee Chair)
William Feld, PhD (Committee Member)
David Grossie, PhD (Committee Member)
105 p.
Chemistry
ionic liquids; imidazolium; conductivity; electrochemical potential window

Recommended Citations

Citations

  • DeCerbo, J. N. (2008). 1-Alkyl-3-Methylimidazolium bis(pentafluoroethylsulfonyl)imide Based Ionic Liquids: A Study of their Physical and Electrochemical Properties [Master's thesis, Wright State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=wright1217963125

    APA Style (7th edition)

  • DeCerbo, Jennifer. 1-Alkyl-3-Methylimidazolium bis(pentafluoroethylsulfonyl)imide Based Ionic Liquids: A Study of their Physical and Electrochemical Properties. 2008. Wright State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=wright1217963125.

    MLA Style (8th edition)

  • DeCerbo, Jennifer. "1-Alkyl-3-Methylimidazolium bis(pentafluoroethylsulfonyl)imide Based Ionic Liquids: A Study of their Physical and Electrochemical Properties." Master's thesis, Wright State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=wright1217963125

    Chicago Manual of Style (17th edition)

wright1217963125
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© 2008, all rights reserved.
This open access ETD is published by Wright State University and OhioLINK.