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Effects of Bu3MeNTf2N Ionic Liquid Addition on Conductivity of PVC-NH4Tf Polymer Electrolytes

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Abstract:

Solid polymer electrolytes (SPEs) with poly (vinyl) chloride (PVC) doped with a fixed amount of ammonium trifluoro methane sulfonate (NH4Tf) and with varying concentrations of ionic liquid butyltrimethyl ammonium bis (trifluoromethyl sulfonyl) imide (Bu3MeNTf2N) were synthesised via solution cast technique. PVC-NH4Tf-Bu3MeNTf2N-based SPEs with 15 weight % Bu3MeNTf2N exhibit conductivity of 1.56 x 10-4 Scm-1 at room temperature. The ionic conductivity is attributed to the dissociation of NH4Tf facilitated by Bu3MeNTf2N. Results of XRD indicate that the most amorphous film has the highest conductivity and this is corroborated by the results of DSC. FTIR spectra revealed that Bu3MeNTf2N has weak interaction suggesting that it acts mainly as a lubricant to facilitate polymer segmental motion.

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Periodical:

Advanced Materials Research (Volume 1107)

Pages:

194-199

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1107.194

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Online since:

June 2015

Authors:

Ri Hanum Yahaya Subhan*, S.K. Deraman, Nor Sabirin Mohamed

Keywords:

Infra-Red Spectroscopy, Ionic Conductivity, Ionic Liquid (IL), Polymer Electrolyte, XRD

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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