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High conductivity molten salts based on the imide ion
journal contribution
posted on 2000-01-03, 00:00 authored by D McFarlane, J Sun, J Golding, P Meakin, Maria ForsythMaria ForsythThe bis(trifluoromethanesulfonyl)imide ion has recently been used in its lithium salt as a useful ion in solid polymer electrolytes because of the reduced degree of ion interaction its diffuse charge generates. In this work we have synthesised a number of novel salts based on the ammonium and pyrrolidinium cations of this anion. The salts all show reduced melting points compared with analogous halide salts. In some cases they are molten at room temperature. This latter group of salts have been characterized with respect to their properties as ionic liquids; the highest room temperature conductivity 2 mS cm−1 being exhibited by methyl butyl pyrrolidinium imide. Many of the salts are glass forming, exhibiting glass transition temperatures in the region of −90°C.
History
Journal
Electrochimica actaVolume
45Issue
8-9Pagination
1271 - 1278Publisher
Elsevier Science Pub. Co.Location
New York, N.Y.Publisher DOI
ISSN
0013-4686eISSN
1873-3859Language
engPublication classification
C1.1 Refereed article in a scholarly journalCopyright notice
2000, Elsevier Science Ltd.Usage metrics
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