NDLI: Vibrational spectroscopic and electrochemical characteristics of poly (propylene glycol)-silver triflate polymer electrolyte system

Content Provider	Springer Nature Link
Author	Suthanthiraraj, S. Austin Kumar, R. Paul, B. Joseph
Copyright Year	2009
Abstract	Fourier transform infrared spectroscopic and electrochemical complex impedance studies have been carried out on a series of complexes containing poly(propylene glycol) of molecular weight 4,000 and silver triflate (AgCF$_{3}$SO$_{3}$) salt corresponding to the ether oxygen to metal cation ratios (O : M) in the range 16:1 to 12:1. The formation of ion pairs and aggregates noticed in the case of specimens having high salt concentrations as well as the complete coordination of the cation with the ether oxygen at low salt concentrations within the PPG4000-AgCF$_{3}$SO$_{3}$ polymer electrolyte system have been confirmed. The appearance of two weak triflate bands at 1,032 and 1,272 cm$^{−1}$ in the absorption spectra in respect of low salt concentrations is indicative of the fact that triflate ions are free within the polymer matrix. The room temperature (298 K) electrical conductivity is found to increase with increasing ether oxygen content while exhibiting the maximum value of 7.1 × 10$^{−5}$ Scm$^{−1}$ possibly due to silver ionic transport in the case of the typical composition having an O : M ratio of 16:1.
Starting Page	145
Ending Page	151
Page Count	7
File Format	PDF
ISSN	09477047
Journal	Ionics
Volume Number	16
Issue Number	2
e-ISSN	18620760
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-08-20
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Polymer electrolyte Poly(propylene glycol) AgCF$_{3}$SO$_{3}$ FT-IR Condensed Matter Physics Optical and Electronic Materials Renewable and Green Energy Electrochemistry
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Engineering Materials Science Chemical Engineering

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